/* ======================================================================= */
/* KOODI PROFILE PAGE - ЯСКРАВИЙ СТИЛЬ З ЧОРНИМИ ТІНЯМИ */
/* ======================================================================= */

/* ======================================================================= */
/* 1. ЗМІННІ ТА ОСНОВНІ СТИЛІ */
/* ======================================================================= */
:root {
    --black: #131010;
    --darkgray: #555;
    --white: #FDF7F7;
    --bg-color: #f0f0f0; 
    --card-color: #FFFFFF; 
    --dark-lime: #a7c024;
    --success-green: #2ecc71; 
    --error-red: #E74C3C;
    --pink: #FF4E99;
    --orange: #FF9F00;
    --lime: #C6DF2B;
    --blue: #009DFF;
    --font-family: 'Rubik', sans-serif;
    
    /* Нові тіні в Koodi стилі */
    --shadow-brutal: 6px 6px 0px var(--black);
    --shadow-brutal-hover: 8px 8px 0px var(--black);
    --shadow-brutal-active: 3px 3px 0px var(--black);
    --border-brutal: 3px solid var(--black);
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family, sans-serif);
    background-color: var(--bg-color);
    min-height: 100vh;
    overscroll-behavior-y: none;
    width: 100%;
}

.auth-message {
    padding: 20px 40px;
    background-color: var(--white);
    border-radius: 15px;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
    font-weight: 600;
    color: var(--black);
    font-size: 1.2em;
    width: fit-content;
    margin: 150px auto;
    text-align: center;
}

.profile-container {
    width: 90%;
    max-width: 1200px; 
    min-height: 70vh;
    background-color: var(--card-color);
    border-radius: 25px;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
    padding: 55px;
    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.5s;
    margin: 150px auto;
    display: flex;
    flex-direction: column;
}

.profile-container.loaded {
    opacity: 1;
}

/* ======================================================================= */
/* 2. МОТИВАЦІЙНА ПАНЕЛЬ - ЯСКРАВІ КАРТКИ */
/* ======================================================================= */

.motivation-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.motivation-card {
    background: var(--white);
    border-radius: 20px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.motivation-card:hover {
    box-shadow: var(--shadow-brutal-hover);
    transform: translate(-2px, -2px);
}

.motivation-card:active {
    box-shadow: var(--shadow-brutal-active);
    transform: translate(3px, 3px);
}

/* Кольорові картки */
.streak-card {
    background: var(--orange);
}

.streak-card .card-label,
.streak-card .card-value,
.streak-card .card-subtext {
    color: var(--black);
}

.kd-card {
    background: var(--lime);
}

.kd-card .card-label,
.kd-card .card-value,
.kd-card .card-subtext {
    color: var(--black);
}

.level-card {
    background: var(--pink);
}

.level-card .card-label,
.level-card .card-value,
.level-card .card-subtext {
    color: var(--white);
}

.card-icon {
    width: 65px;
    height: 65px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em;
    flex-shrink: 0;
    background: var(--white);
    border: var(--border-brutal);
    box-shadow: 4px 4px 0px var(--black);
}

.streak-card .card-icon {
    color: var(--orange);
}

.kd-card .card-icon {
    color: var(--lime);
}

.level-card .card-icon {
    color: var(--pink);
}

.card-content {
    flex-grow: 1;
}

.card-label {
    font-size: 0.85em;
    font-weight: 700;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-value {
    font-size: 2.2em;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 5px;
}

.card-subtext {
    font-size: 0.9em;
    font-weight: 600;
}

/* Прогрес бар для рівня */
.level-progress-bar {
    width: 100%;
    height: 12px;
    background-color: rgba(255,255,255,0.3);
    border-radius: 10px;
    overflow: hidden;
    margin: 10px 0;
    border: 2px solid var(--black);
}

.level-progress-fill {
    height: 100%;
    background: var(--white);
    border-radius: 8px;
    transition: width 0.5s ease;
    width: 0%;
}

/* ======================================================================= */
/* 3. ШАПКА ПРОФІЛЮ - ЯСКРАВА */
/* ======================================================================= */
.header {
    background-color: var(--lime);
    padding: 35px; 
    border-radius: 20px;
    margin-bottom: 40px; 
    color: var(--black);
    position: relative;
    display: flex; 
    align-items: center;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
}

/* Кнопка Редагувати */
#editButton {
    position: absolute; 
    font-family: var(--font-family);
    top: 50%;
    transform: translateY(-50%);
    right: 30px; 
    background-color: var(--white);
    color: var(--black);
    border: var(--border-brutal);
    border-radius: 15px;
    padding: 14px 28px; 
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 4px 4px 0px var(--black);
    font-size: 1.1em;
    display: flex;
    align-items: center;
}

#editButton i {
    margin-right: 10px;
}

#editButton:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translateY(-50%) translate(-2px, -2px);
}

/* Кнопка Підписатись / Відписатись */
#followButton {
    position: absolute;
    font-family: var(--font-family);
    top: 50%;
    transform: translateY(-50%);
    right: 30px;
    background-color: var(--pink);
    color: var(--white);
    border: var(--border-brutal);
    border-radius: 15px;
    padding: 14px 28px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 4px 4px 0px var(--black);
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 10px;
}

#followButton:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translateY(-50%) translate(-2px, -2px);
}

#followButton:active {
    box-shadow: 2px 2px 0px var(--black);
    transform: translateY(-50%) translate(1px, 1px);
}

#followButton.editing {
    background-color: var(--white);
    color: var(--black);
}

#editButton:active {
    box-shadow: 2px 2px 0px var(--black);
    transform: translateY(-50%) translate(2px, 2px);
}

#editButton.editing {
    background-color: var(--error-red);
    color: var(--white);
}

.profile-icon-wrapper {
    width: 120px;
    height: 120px;
    background-color: #f5f5f5;
    border-radius: 50%;
    flex-shrink: 0;
    margin-right: 30px;
    position: relative;
    border: 4px solid var(--black);
    box-shadow: 5px 5px 0px var(--black);
    cursor: pointer;
    transition: all 0.2s ease;
}

.profile-icon-wrapper:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.profile-icon-wrapper #iconUpload {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.profile-icon-wrapper input {
    display: none; 
}

.profile-icon-wrapper img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: contain;
}

/* Текстовий блок: Ім'я та Пошта */
.user-text-info {
    text-align: left;
    overflow: hidden;
    max-width: 60%; 
}

h1 {
    font-size: 2.2em; 
    font-weight: 900;
    margin: 0;
    color: var(--black);
    line-height: 1.2;
    text-overflow: ellipsis;
    overflow: hidden;
}

.profile-email-display {
    font-size: 1.1em; 
    font-weight: 500;
    color: var(--black);
    opacity: 0.8;
    margin-top: 8px;
    text-overflow: ellipsis;
    overflow: hidden;
}

/* Поле вводу Нікнейму в режимі редагування */
#nicknameInput {
    font-size: 2em;
    font-weight: 700;
    text-align: left;
    border: var(--border-brutal);
    background-color: var(--white);
    border-radius: 12px;
    padding: 10px 18px;
    width: 90%;
    font-family: var(--font-family);
    margin: 0;
    color: var(--black);
    display: none;
    box-shadow: 3px 3px 0px var(--black);
}

#nicknameInput:focus {
    outline: none;
    box-shadow: 5px 5px 0px var(--black);
}

#userGreeting.hidden {
    display: none;
}

/* ======================================================================= */
/* 4. ОСНОВНИЙ КОНТЕНТ (ДВІ КОЛОНКИ) */
/* ======================================================================= */
.main-content-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.details-column, .courses-column, .skills-column {
    background-color: var(--white);
    padding: 25px 30px;
    border: var(--border-brutal);
    border-radius: 20px;
    box-shadow: var(--shadow-brutal);
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.details-column:hover, .courses-column:hover, .skills-column:hover {
    box-shadow: var(--shadow-brutal-hover);
    transform: translate(-2px, -2px);
}

.skills-column h2 {
    font-size: 1.5em;
    font-weight: 900;
    color: var(--black);
    margin: 0 0 20px 0;
}

.skills-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background-color: var(--skill-bg, #f0f0f0);
    border: 3px solid var(--skill-color, var(--black));
    border-radius: 14px;
    font-size: 1.05em;
    font-weight: 700;
    color: var(--black);
    box-shadow: 4px 4px 0px var(--skill-color, var(--black));
    transition: all 0.2s ease;
    cursor: default;
}

.skill-tag i {
    font-size: 1.4em;
    color: var(--skill-color, var(--pink));
}

.skill-tag:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--skill-color, var(--black));
}

.details-column h2 {
    font-size: 1.5em;
    font-weight: 900;
    color: var(--black);
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0; 
    cursor: default; 
    transition: all 0.2s ease;
    border-bottom: 2px dashed #ddd; 
}

.details-column .detail-item:last-child {
    border-bottom: none;
}

.detail-item:hover {
    padding-left: 10px;
}

.detail-label {
    font-weight: 700;
    color: var(--black); 
    font-size: 1.1em; 
}

.detail-value {
    font-weight: 600;
    color: var(--darkgray);
    text-align: right;
    font-size: 1.1em;
}

/* KOODI CLUB BADGE - для підписників */
.koodi-club-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--lime);
    color: var(--black);
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.95em;
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0px var(--black);
    animation: clubBadgePulse 2s ease-in-out infinite;
}

@keyframes clubBadgePulse {
    0%, 100% { transform: scale(1); box-shadow: 3px 3px 0px var(--black); }
    50% { transform: scale(1.03); box-shadow: 4px 4px 0px var(--black); }
}

.koodi-club-badge:hover {
    background: var(--pink);
    transform: translateY(-2px);
    box-shadow: 4px 4px 0px var(--black);
}

/* СТИЛІ ДЛЯ ПАРОЛЮ */
.password-wrapper {
    display: flex;
    align-items: center;
}

.password-toggle-btn {
    background: var(--white);
    border: 2px solid var(--black);
    color: var(--black);
    margin-left: 10px;
    cursor: pointer;
    font-size: 1em;
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.2s ease;
    box-shadow: 2px 2px 0px var(--black);
}

.password-toggle-btn:hover {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(-1px, -1px);
}

.password-toggle-btn:active {
    box-shadow: 1px 1px 0px var(--black);
    transform: translate(1px, 1px);
}

/* СОЦІАЛЬНІ МЕРЕЖІ */
.social-media-section {
    padding-top: 25px;
    border-top: 3px solid var(--black);
    margin-top: 25px;
}

.social-title {
    font-size: 1.3em;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 20px;
}

.social-input-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 12px 0;
    border-bottom: 2px dashed #ddd;
}

.social-input-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.social-icon {
    font-size: 1.6em;
    width: 35px;
    color: var(--black);
}

.social-input-group input {
    flex-grow: 1;
    border: var(--border-brutal);
    border-radius: 12px;
    padding: 12px 18px;
    font-family: var(--font-family);
    font-size: 1em;
    margin-left: 15px;
    transition: all 0.2s ease;
    box-shadow: 3px 3px 0px var(--black);
}

.social-input-group input:focus {
    outline: none;
    box-shadow: 5px 5px 0px var(--black);
    transform: translate(-2px, -2px);
}

/* DISPLAY MODE SOCIAL LINKS */
.social-link-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 2px dashed #ddd;
}

.social-link-item:last-child {
    border-bottom: none;
}

.social-link-item a {
    color: var(--blue);
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    margin-left: 15px;
    transition: all 0.2s ease;
}

.social-link-item a:hover {
    color: var(--pink);
}

/* ======================================================================= */
/* СЕКЦІЯ МОЇ КУРСИ - ЯСКРАВІ КАРТКИ */
/* ======================================================================= */
.courses-column h2 {
    font-size: 1.6em;
    font-weight: 900;
    color: var(--black);
    margin-top: 0;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.courses-column h2 i {
    color: var(--orange);
    font-size: 1em;
}

/* Courses category tabs */
.courses-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
}

.courses-tabs::-webkit-scrollbar {
    display: none;
}

.courses-tab {
    padding: 10px 20px;
    border-radius: 12px;
    border: 3px solid var(--black);
    background: var(--white);
    color: var(--black);
    font-size: 0.9em;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    box-shadow: 3px 3px 0px var(--black);
    font-family: inherit;
}

.courses-tab:hover {
    background: #f0f0f0;
    box-shadow: 4px 4px 0px var(--black);
    transform: translate(-1px, -1px);
}

.courses-tab:active {
    box-shadow: 1px 1px 0px var(--black);
    transform: translate(2px, 2px);
}

.courses-tab.active {
    background: var(--lime);
    color: var(--black);
    box-shadow: 4px 4px 0px var(--black);
}

/* Platform filter tabs */
.platform-tabs {
    margin-bottom: 20px;
}

.platform-tab {
    padding: 8px 16px;
    border-radius: 10px;
    border: 2px solid var(--black);
    background: var(--white);
    color: var(--black);
    font-size: 0.8em;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    box-shadow: 2px 2px 0px var(--black);
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.platform-tab:hover {
    background: #f0f0f0;
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(-1px, -1px);
}

.platform-tab:active {
    box-shadow: 1px 1px 0px var(--black);
    transform: translate(1px, 1px);
}

.platform-tab.active {
    background: var(--blue);
    color: var(--white);
    box-shadow: 3px 3px 0px var(--black);
}

/* Platform badge on course card */
.course-platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7em;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 8px;
    border: 2px solid var(--black);
    margin-bottom: 10px;
    background: var(--white);
    color: var(--black);
}

.course-platform-badge i {
    font-size: 0.9em;
}

.course-platform-badge.platform-web {
    background: var(--blue);
    color: var(--white);
}

.course-platform-badge.platform-mobile {
    background: var(--pink);
    color: var(--white);
}

.course-platform-badge.platform-both {
    background: var(--lime);
    color: var(--black);
}

.courses-loading {
    text-align: center;
    padding: 30px;
    color: var(--darkgray);
    font-size: 1em;
}

.courses-loading i {
    margin-right: 10px;
    color: var(--lime);
}

.courses-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Картка курсу - КОМПАКТНА */
.course-card {
    background: var(--white);
    border-radius: 18px;
    padding: 20px 22px;
    border: var(--border-brutal);
    box-shadow: 5px 5px 0px var(--black);
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.course-card:active {
    box-shadow: 2px 2px 0px var(--black);
    transform: translate(2px, 2px);
}

/* Кольорові акценти для курсів */
.course-card.html-css { background: var(--orange); }
.course-card.javascript { background: #F7DF1E; }
.course-card.python { background: #3776AB; color: white; }
.course-card.react { background: #61DAFB; }
.course-card.vue { background: #42b883; }
.course-card.angular { background: #DD0031; color: white; }
.course-card.nodejs { background: #68A063; }
.course-card.java { background: #ED8B00; }

.course-card.html-css .course-name,
.course-card.javascript .course-name,
.course-card.react .course-name,
.course-card.vue .course-name,
.course-card.nodejs .course-name,
.course-card.java .course-name {
    color: var(--black);
}

.course-card.python .course-name,
.course-card.angular .course-name {
    color: var(--white);
}

.course-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.course-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4em;
    flex-shrink: 0;
    background: var(--white);
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0px var(--black);
}

.course-info {
    flex-grow: 1;
}

.course-name {
    font-size: 1.1em;
    font-weight: 800;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.course-level {
    font-size: 0.7em;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid var(--black);
    background: var(--white);
    color: var(--black);
}

.course-stats {
    font-size: 0.9em;
    font-weight: 600;
    opacity: 0.9;
}

.course-progress-container {
    margin-top: 15px;
}

.course-progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(255,255,255,0.5);
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--black);
}

.course-progress-fill {
    height: 100%;
    background: var(--white);
    border-radius: 8px;
    transition: width 0.5s ease;
}

.course-progress-text {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.9em;
    font-weight: 700;
}

/* Пройдені уроки */
.course-completed-lessons {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 2px dashed rgba(0, 0, 0, 0.15);
    font-size: 0.85em;
    font-weight: 600;
    color: var(--black);
    word-break: break-word;
}

/* Статус завершення */
.course-card.completed {
    position: relative;
}

.course-card.completed::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 22px;
    height: 22px;
    background: var(--white);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.75em;
    border: 2px solid var(--black);
    box-shadow: 2px 2px 0px var(--black);
}

/* Повідомлення про відсутність курсів */
.no-courses-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--darkgray);
}

.no-courses-message i {
    font-size: 3em;
    color: var(--lime);
    margin-bottom: 15px;
}

.no-courses-message p {
    font-size: 1.1em;
    margin-bottom: 25px;
}

.start-learning-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--lime);
    color: var(--black);
    padding: 16px 32px;
    border-radius: 15px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.2s ease;
    border: var(--border-brutal);
    box-shadow: 5px 5px 0px var(--black);
}

.start-learning-btn:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.start-learning-btn:active {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(2px, 2px);
}

/* ======================================================================= */
/* 5. КНОПКИ ДІЙ - ЯСКРАВІ */
/* ======================================================================= */
.action-buttons {
    display: flex;
    gap: 20px; 
    margin-top: 50px; 
    padding-top: 30px; 
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 18px 35px;
    border: var(--border-brutal);
    border-radius: 15px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-shadow: 5px 5px 0px var(--black);
    font-family: var(--font-family);
}

.btn:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.btn:active {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(2px, 2px);
}

.btn i {
    margin-right: 10px;
    font-size: 1.1em;
}

.btn-courses {
    background-color: var(--blue); 
    color: var(--white); 
    order: 2; 
}

.btn-logout {
    background-color: var(--error-red); 
    color: var(--white); 
    order: 1; 
}

.btn-save {
    background-color: var(--lime);
    color: var(--black);
    display: none;
    order: 3; 
}

.share-profile-btn {
    padding: 18px 35px;
    border: var(--border-brutal);
    background-color: var(--pink);
    color: var(--white);
    border-radius: 15px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-shadow: 5px 5px 0px var(--black);
}

.share-profile-btn:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.share-profile-btn:active {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(2px, 2px);
}

.share-profile-btn i {
    margin-right: 10px;
}

.my-certificates-btn {
    padding: 18px 35px;
    border: var(--border-brutal);
    background-color: var(--orange);
    color: var(--black);
    border-radius: 15px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-shadow: 5px 5px 0px var(--black);
    font-family: var(--font-family);
}

.my-certificates-btn:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.my-certificates-btn:active {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(2px, 2px);
}

.my-certificates-btn i {
    margin-right: 10px;
}

.action-buttons.editing .btn-logout,
.action-buttons.editing .btn-courses,
.action-buttons.editing .share-profile-btn,
.action-buttons.editing .my-certificates-btn {
    display: none !important;
}

.action-buttons.editing .btn-save {
    display: flex !important;
}

/* ======================================================================= */
/* СЕКЦІЯ: МОЇ ПРОЄКТИ */
/* ======================================================================= */

.projects-column {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    max-width: 800px;
    margin: 30px auto 0;
    width: 100%;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
    transition: all 0.2s ease;
}

.projects-column:hover {
    box-shadow: var(--shadow-brutal-hover);
    transform: translate(-2px, -2px);
}

.projects-column h2 {
    font-size: 1.5em;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.projects-column h2 i {
    color: var(--lime);
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    background: var(--bg-color);
    border-radius: 15px;
    border: var(--border-brutal);
    box-shadow: 4px 4px 0px var(--black);
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.project-item:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.project-item:active {
    box-shadow: 2px 2px 0px var(--black);
    transform: translate(2px, 2px);
}

.project-icon {
    width: 55px;
    height: 55px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0px var(--black);
}

.project-icon.html-css-js { background: var(--orange); color: var(--black); }
.project-icon.react { background: #61dafb; color: var(--black); }
.project-icon.vue { background: #42b883; color: var(--white); }
.project-icon.nodejs { background: #68a063; color: var(--white); }
.project-icon.python { background: #3776ab; color: var(--white); }
.project-icon.java { background: #ed8b00; color: var(--black); }

.project-info {
    flex: 1;
}

.project-info h4 {
    font-size: 1.1em;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--black);
}

.project-info p {
    font-size: 0.9em;
    color: var(--darkgray);
    font-weight: 500;
}

.project-arrow {
    color: var(--darkgray);
    font-size: 1.2em;
    transition: all 0.2s ease;
}

.project-item:hover .project-arrow {
    color: var(--lime);
    transform: translateX(5px);
}

.view-all-projects-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 25px;
    padding: 16px 28px;
    background: var(--lime);
    color: var(--black);
    border-radius: 15px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.2s ease;
    border: var(--border-brutal);
    box-shadow: 5px 5px 0px var(--black);
}

.view-all-projects-btn:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.view-all-projects-btn:active {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(2px, 2px);
}

/* ======================================================================= */
/* KD (KOODI DOINS) СИСТЕМА */
/* ======================================================================= */

.kd-head {
    width: 45px;
    height: 50px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    justify-content: center;
    align-items: center;
}

.kd-bar {
    width: 32px;
    height: 9px;
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.kd-bar-1 { background: var(--lime); }
.kd-bar-2 { background: var(--pink); }
.kd-bar-3 { background: var(--orange); }
.kd-bar-4 { background: var(--blue); }

.kd-icon-container {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0px var(--black);
    cursor: pointer;
    transition: all 0.2s ease;
}

.kd-icon-container:hover {
    box-shadow: 5px 5px 0px var(--black);
    transform: translate(-2px, -2px);
}

/* KD Магазин - кнопка */
.buy-kd-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--black);
    color: var(--lime);
    border: 2px solid var(--black);
    border-radius: 10px;
    padding: 4px 10px;
    font-size: 0.7em;
    font-weight: 700;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    z-index: 2;
}

.buy-kd-btn:hover {
    background: var(--lime);
    color: var(--black);
    transform: scale(1.05);
    box-shadow: 3px 3px 0 var(--black);
}

.buy-kd-btn:active {
    transform: scale(0.97);
    box-shadow: none;
}

/* KD Магазин - модалка */
.kd-shop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.kd-shop-overlay.active {
    display: flex;
}

.kd-shop-modal {
    background: var(--white);
    border-radius: 24px;
    border: 4px solid var(--black);
    box-shadow: 10px 10px 0 var(--black);
    max-width: 520px;
    width: 100%;
    padding: 35px;
    position: relative;
    animation: shopSlideIn 0.3s ease;
}

@keyframes shopSlideIn {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.kd-shop-header {
    text-align: center;
    margin-bottom: 25px;
}

.kd-shop-icon {
    width: 70px;
    height: 70px;
    background: var(--lime);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 2em;
    color: var(--black);
    border: 3px solid var(--black);
    box-shadow: 4px 4px 0 var(--black);
}

.kd-shop-header h2 {
    font-size: 1.6em;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 5px;
}

.kd-shop-header p {
    font-size: 0.95em;
    color: #666;
}

.kd-shop-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 20px;
}

.kd-shop-item {
    background: #f8f8f8;
    border: 3px solid var(--black);
    border-radius: 16px;
    padding: 20px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.kd-shop-item:hover {
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--black);
}

.kd-shop-item:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.kd-shop-item.popular {
    background: var(--lime);
    border-color: var(--black);
}

.kd-shop-item.popular::after {
    content: 'HIT';
    position: absolute;
    top: -10px;
    right: -5px;
    background: var(--pink);
    color: white;
    font-size: 0.7em;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 8px;
    border: 2px solid var(--black);
}

.kd-shop-amount {
    font-size: 1.8em;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 5px;
}

.kd-shop-amount i {
    color: #FFD700;
    margin-right: 4px;
}

.kd-shop-price {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 2px;
}

.kd-shop-bonus {
    font-size: 0.8em;
    color: #666;
    font-weight: 600;
}

.kd-shop-footer {
    text-align: center;
    font-size: 0.85em;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

@media (max-width: 480px) {
    .kd-shop-grid {
        grid-template-columns: 1fr;
    }
    .kd-shop-modal {
        padding: 25px 18px;
    }
    .buy-kd-btn {
        top: 6px;
        right: 6px;
        font-size: 0.65em;
        padding: 3px 8px;
    }
}

/* KD Нотифікація */
.kd-notification {
    position: fixed;
    top: 100px;
    right: 30px;
    background: var(--white);
    border-radius: 20px;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 10000;
}

.kd-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.kd-notification-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kd-head-notif {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.kd-head-notif span {
    width: 30px;
    height: 7px;
    border-radius: 3px;
    animation: kdBounce 0.6s ease infinite;
}

.kd-head-notif span:nth-child(1) { background: var(--lime); animation-delay: 0s; }
.kd-head-notif span:nth-child(2) { background: var(--pink); animation-delay: 0.1s; }
.kd-head-notif span:nth-child(3) { background: var(--orange); animation-delay: 0.2s; }
.kd-head-notif span:nth-child(4) { background: var(--blue); animation-delay: 0.3s; }

@keyframes kdBounce {
    0%, 100% { transform: scaleX(1); }
    50% { transform: scaleX(1.2); }
}

.kd-notification-content {
    display: flex;
    flex-direction: column;
}

.kd-notification-amount {
    font-size: 1.6em;
    font-weight: 900;
    color: var(--lime);
}

.kd-notification-text {
    font-size: 0.95em;
    color: var(--darkgray);
    font-weight: 600;
}

/* KD Color variants */
.kd-color-rainbow .kd-bar-1 { background: var(--lime) !important; }
.kd-color-rainbow .kd-bar-2 { background: var(--pink) !important; }
.kd-color-rainbow .kd-bar-3 { background: var(--orange) !important; }
.kd-color-rainbow .kd-bar-4 { background: var(--blue) !important; }

/* KD в шерінгу */
.kd-mini-share {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: 24px;
    margin: 0 auto;
}

.kd-mini-share span {
    height: 5px;
    border-radius: 2px;
}

.kd-mini-share span:nth-child(1) { background: var(--lime); }
.kd-mini-share span:nth-child(2) { background: var(--pink); }
.kd-mini-share span:nth-child(3) { background: var(--orange); }
.kd-mini-share span:nth-child(4) { background: var(--blue); }

/* ======================================================================= */
/* STREAK CALENDAR */
/* ======================================================================= */
.streak-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 15px;
}

.streak-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    background: var(--white);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0px var(--black);
}

.streak-icon-wrapper:hover {
    box-shadow: 5px 5px 0px var(--black);
    transform: translate(-2px, -2px);
}

.streak-fire {
    font-size: 1.8em;
    transition: all 0.3s ease;
}

.streak-fire.active {
    color: var(--orange);
    animation: fireFlicker 2s ease-in-out infinite;
}

.streak-fire.inactive {
    color: #888;
}

@keyframes fireFlicker {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
    }
    50% { 
        transform: scale(1.1) rotate(-3deg);
    }
}

.streak-number {
    position: absolute;
    bottom: -6px;
    right: -6px;
    background: var(--lime);
    color: var(--black);
    font-size: 0.8em;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 10px;
    border: 2px solid var(--black);
    box-shadow: 2px 2px 0px var(--black);
    min-width: 20px;
    text-align: center;
}

/* Calendar Popup */
.streak-calendar-popup {
    position: absolute;
    top: calc(100% + 15px);
    right: 0;
    background: var(--white);
    border-radius: 20px;
    padding: 25px;
    min-width: 340px;
    max-width: 380px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 9999;
    border: var(--border-brutal);
    box-shadow: var(--shadow-brutal);
    pointer-events: none;
}

.streak-calendar-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.streak-container:hover .streak-calendar-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.streak-calendar-popup::before {
    content: '';
    position: absolute;
    top: -12px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-bottom: 12px solid var(--black);
}

.streak-calendar-popup::after {
    content: '';
    position: absolute;
    top: -9px;
    right: 22px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid var(--white);
}

.calendar-header {
    margin-bottom: 20px;
}

.calendar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3em;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 15px;
}

.calendar-title i {
    color: var(--orange);
    font-size: 1.2em;
}

.calendar-stats {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 15px;
    border: 2px solid var(--black);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-label {
    font-size: 0.85em;
    color: var(--darkgray);
    font-weight: 600;
}

.stat-value {
    font-size: 1.2em;
    font-weight: 800;
    color: var(--black);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin: 20px 0;
}

.calendar-day {
    aspect-ratio: 1;
    border-radius: 8px;
    background: #e0e0e0;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    min-height: 32px;
}

.calendar-day:hover {
    transform: scale(1.15);
    z-index: 10;
}

.calendar-day.active {
    background: var(--orange) !important;
    border-color: var(--black);
}

.calendar-day.today {
    background: var(--lime) !important;
    border: 3px solid var(--black);
    box-shadow: 2px 2px 0px var(--black);
}

.calendar-day.inactive {
    background: #f5f5f5 !important;
}

.calendar-legend {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 15px;
    border-top: 2px dashed #ddd;
    font-size: 0.9em;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--darkgray);
    font-weight: 500;
}

.legend-color {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    flex-shrink: 0;
    border: 2px solid var(--black);
}

.legend-inactive { background: #f5f5f5; }
.legend-active { background: var(--orange); }
.legend-today { background: var(--lime); }

/* ======================================================================= */
/* МОДАЛЬНЕ ВІКНО ШЕРІНГУ ПРОФІЛЮ */
/* ======================================================================= */
.share-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(19, 16, 16, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
    padding: 20px;
}

.share-modal-overlay.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.share-card {
    background: var(--white);
    width: 520px;
    max-width: 95%;
    border-radius: 25px;
    overflow: hidden;
    border: var(--border-brutal);
    box-shadow: 10px 10px 0px var(--black);
    animation: slideUp 0.35s ease;
    position: relative;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px) scale(0.96);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.card-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--white);
    border: 2px solid var(--black);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2em;
    color: var(--black);
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: 3px 3px 0px var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-close:hover {
    background: var(--pink);
    color: var(--white);
    box-shadow: 4px 4px 0px var(--black);
    transform: translate(-1px, -1px);
}

.card-header {
    background: var(--lime);
    padding: 70px 25px 80px;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--black);
}

.card-logo {
    font-size: 1.5em;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 5px;
    position: relative;
}

.share-profile-icon-wrapper {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid var(--black);
    overflow: hidden;
    box-shadow: 5px 5px 0px var(--black);
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-profile-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.card-body {
    padding: 70px 25px 25px;
    text-align: center;
}

.profile-nickname {
    font-size: 1.7em;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 5px;
}

.profile-id {
    color: var(--darkgray);
    font-size: 0.95em;
    font-weight: 600;
    margin-bottom: 25px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 25px;
}

.stats-grid .stat-item {
    background: var(--white);
    padding: 15px 10px;
    border-radius: 15px;
    transition: all 0.2s ease;
    border: var(--border-brutal);
    box-shadow: 4px 4px 0px var(--black);
    flex-direction: column;
    align-items: center;
}

.stats-grid .stat-item:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.stat-icon {
    font-size: 1.5em;
    margin-bottom: 8px;
}

.stats-grid .stat-value {
    font-size: 1.3em;
}

.stats-grid .stat-label {
    font-size: 0.85em;
    margin-top: 4px;
}

.profile-info {
    background: var(--white);
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 25px;
    text-align: left;
    border: var(--border-brutal);
    box-shadow: 5px 5px 0px var(--black);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 2px dashed #ddd;
}

.info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    color: var(--darkgray);
    font-weight: 700;
    font-size: 0.95em;
}

.info-value {
    color: var(--black);
    font-weight: 700;
}

.league-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9em;
    color: var(--black);
    background: var(--lime);
    border: 2px solid var(--black);
}

/* Курси в шерінгу */
.share-courses-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 25px;
}

.share-course-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.9em;
    font-weight: 700;
    transition: all 0.2s ease;
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0px var(--black);
}

.share-course-tag:hover {
    box-shadow: 4px 4px 0px var(--black);
    transform: translate(-1px, -1px);
}

.share-course-tag.html-css {
    background: var(--orange);
    color: var(--black);
}

.share-course-tag.javascript {
    background: #F7DF1E;
    color: var(--black);
}

.share-course-tag.python {
    background: #3776AB;
    color: white;
}

.share-course-tag.react {
    background: #61DAFB;
    color: var(--black);
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.share-button {
    padding: 14px;
    border: var(--border-brutal);
    border-radius: 15px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.95em;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 4px 4px 0px var(--black);
    font-family: var(--font-family);
}

.share-button:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.share-button:active {
    box-shadow: 2px 2px 0px var(--black);
    transform: translate(2px, 2px);
}

.share-instagram {
    background: linear-gradient(45deg, #f09433, #dc2743, #bc1888);
    color: var(--white);
}

.share-twitter {
    background: var(--black);
    color: var(--white);
}

.share-facebook {
    background: #1877F2;
    color: var(--white);
}

.share-linkedin {
    background: #0077B5;
    color: var(--white);
}

.copy-link-btn {
    width: 100%;
    background: var(--lime);
    color: var(--black);
    padding: 16px;
    border: var(--border-brutal);
    border-radius: 15px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1em;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 5px 5px 0px var(--black);
    font-family: var(--font-family);
}

.copy-link-btn:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.copy-link-btn:active {
    box-shadow: 3px 3px 0px var(--black);
    transform: translate(2px, 2px);
}

.copy-link-btn.copied {
    background: var(--success-green);
    color: var(--white);
}

/* Toast повідомлення */
.toast-share {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--black);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 15px;
    border: 3px solid var(--lime);
    box-shadow: 5px 5px 0px var(--lime);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.toast-share.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-share i {
    color: var(--lime);
    font-size: 1.2em;
}

/* ======================================================================= */
/* МОДАЛЬНЕ ВІКНО ЗМІНИ ПАРОЛЯ */
/* ======================================================================= */

.password-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.password-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.password-modal {
    background: var(--white);
    border-radius: 25px;
    width: 90%;
    max-width: 450px;
    padding: 35px;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    border: var(--border-brutal);
    box-shadow: 10px 10px 0px var(--black);
}

.password-modal-overlay.active .password-modal {
    transform: scale(1) translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    background: var(--white);
    border: 2px solid var(--black);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.1em;
    color: var(--black);
    transition: all 0.2s ease;
    box-shadow: 3px 3px 0px var(--black);
}

.modal-close-btn:hover {
    background: var(--error-red);
    color: var(--white);
    box-shadow: 4px 4px 0px var(--black);
    transform: translate(-1px, -1px);
}

.modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.modal-icon {
    font-size: 3.5em;
    margin-bottom: 15px;
}

.modal-header h2 {
    margin: 0;
    color: var(--black);
    font-size: 1.6em;
    font-weight: 900;
}

.input-group {
    margin-bottom: 22px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--black);
    font-size: 1em;
}

.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    width: 100%;
    padding: 16px 55px 16px 18px;
    border: var(--border-brutal);
    border-radius: 15px;
    font-size: 1em;
    font-family: var(--font-family);
    transition: all 0.2s ease;
    box-shadow: 4px 4px 0px var(--black);
}

.password-input-wrapper input:focus {
    outline: none;
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.toggle-password {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    color: var(--darkgray);
    cursor: pointer;
    padding: 10px;
    transition: color 0.2s ease;
    font-size: 1.1em;
}

.toggle-password:hover {
    color: var(--lime);
}

.password-strength {
    margin-top: 10px;
    font-size: 0.9em;
    font-weight: 600;
}

.password-strength.weak { color: var(--error-red); }
.password-strength.medium { color: var(--orange); }
.password-strength.strong { color: var(--success-green); }

.password-match {
    margin-top: 10px;
    font-size: 0.9em;
    font-weight: 600;
}

.password-match.match { color: var(--success-green); }
.password-match.no-match { color: var(--error-red); }

.modal-error {
    background: #ffebee;
    color: #c62828;
    padding: 14px 18px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    border: 2px solid #c62828;
    font-weight: 600;
}

.modal-success {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 14px 18px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    border: 2px solid #2e7d32;
    font-weight: 600;
}

.modal-footer {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-cancel {
    flex: 1;
    padding: 16px;
    border: var(--border-brutal);
    background: var(--white);
    border-radius: 15px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    box-shadow: 4px 4px 0px var(--black);
}

.btn-cancel:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.btn-save-password {
    flex: 1;
    padding: 16px;
    border: var(--border-brutal);
    background: var(--lime);
    color: var(--black);
    border-radius: 15px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 4px 4px 0px var(--black);
}

.btn-save-password:hover {
    box-shadow: 6px 6px 0px var(--black);
    transform: translate(-2px, -2px);
}

.btn-save-password:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: 4px 4px 0px var(--black);
}

.forgot-password-link {
    text-align: center;
    margin: 15px 0;
}

.forgot-password-link a {
    color: var(--blue);
    font-size: 0.95em;
    text-decoration: none;
    font-weight: 600;
}

.forgot-password-link a:hover {
    color: var(--pink);
    text-decoration: underline;
}

/* ======================================================================= */
/* МОДАЛЬНІ СПОВІЩЕННЯ */
/* ======================================================================= */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
}

.modal-notification {
    background: var(--white);
    border-radius: 25px;
    max-width: 480px;
    width: 90%;
    overflow: hidden;
    transform: scale(0.8) translateY(-20px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: var(--border-brutal);
    box-shadow: 10px 10px 0px var(--black);
}

.modal-notification.show {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-body {
    padding: 40px;
    text-align: center;
}

.modal-icon {
    font-size: 5em;
    margin-bottom: 25px;
    display: inline-block;
}

.modal-title {
    font-size: 2em;
    font-weight: 900;
    margin: 0 0 20px 0;
    color: var(--black);
}

.modal-streak-number,
.modal-xp-number,
.modal-league-name {
    font-size: 3.5em;
    font-weight: 900;
    margin: 20px 0;
    color: var(--orange);
}

.modal-description {
    font-size: 1.15em;
    color: var(--darkgray);
    margin: 20px 0;
    line-height: 1.6;
    font-weight: 500;
}

.modal-footer {
    padding: 0 40px 35px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

.modal-button {
    padding: 16px 35px;
    border: var(--border-brutal);
    border-radius: 15px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    box-shadow: 5px 5px 0px var(--black);
}

.modal-button:hover {
    box-shadow: 7px 7px 0px var(--black);
    transform: translate(-2px, -2px);
}

.modal-button.primary {
    background: var(--lime);
    color: var(--black);
}

/* ======================================================================= */
/* СЕРТИФІКАТИ ГАЛЕРЕЯ - стилі визначені в certificate.css */
/* ======================================================================= */

/* ======================================================================= */
/* АДАПТАЦІЯ ДЛЯ МОБІЛЬНИХ ПРИСТРОЇВ */
/* ======================================================================= */
@media (max-width: 768px) {
    body {
        align-items: flex-start;
        padding: 0;
    }

    .profile-container {
        padding: 25px 18px;
        margin: 90px 0 30px 0;
        min-height: auto;
        border-radius: 0;
        width: 100%;
        max-width: 100%;
        border-left: none;
        border-right: none;
        box-shadow: 0 6px 0px var(--black);
    }

    /* Мотиваційна панель */
    .motivation-panel {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .motivation-card {
        padding: 20px 18px;
        box-shadow: 5px 5px 0px var(--black);
    }

    .card-icon {
        width: 55px;
        height: 55px;
        font-size: 1.5em;
    }

    .card-value {
        font-size: 1.8em;
    }

    .card-label {
        font-size: 0.8em;
    }

    .main-content-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .header {
        flex-direction: column;
        text-align: center;
        padding: 25px 18px;
        box-shadow: 5px 5px 0px var(--black);
    }

    .profile-icon-wrapper {
        margin: 0 auto 20px auto;
        width: 100px;
        height: 100px;
    }

    .user-text-info {
        max-width: 100%;
        text-align: center;
    }

    h1 {
        font-size: 1.7em;
        word-wrap: break-word;
    }

    .profile-email-display {
        font-size: 1em;
    }

    #nicknameInput {
        font-size: 1.6em;
        text-align: center;
        width: 100%;
    }

    #editButton {
        position: static;
        transform: none;
        margin-top: 20px;
        width: 100%;
        padding: 14px 24px;
        font-size: 1em;
        justify-content: center;
    }

    #editButton:hover {
        transform: translate(-2px, -2px);
    }

    #followButton {
        position: static;
        transform: none;
        margin-top: 20px;
        width: 100%;
        padding: 14px 24px;
        font-size: 1em;
        justify-content: center;
    }

    #followButton:hover {
        transform: translate(-2px, -2px);
    }

    .details-column, .courses-column, .skills-column {
        padding: 22px 18px;
        box-shadow: 5px 5px 0px var(--black);
    }

    /* Кнопки дій */
    .action-buttons {
        flex-direction: column;
        gap: 15px;
        margin-top: 35px;
        padding-top: 25px;
    }

    .btn, .share-profile-btn, .my-certificates-btn {
        width: 100% !important;
        padding: 16px 20px;
        font-size: 1em;
    }

    .detail-item {
        padding: 15px 0;
        flex-wrap: wrap;
        gap: 8px;
    }

    .detail-label, .detail-value {
        font-size: 1em;
    }

    /* Таби курсів на мобільних */
    .courses-tab {
        padding: 8px 16px;
        font-size: 0.85em;
    }

    .platform-tab {
        padding: 6px 12px;
        font-size: 0.75em;
    }

    /* Курси на мобільних */
    .course-card {
        padding: 16px 18px;
        box-shadow: 4px 4px 0px var(--black);
    }

    .course-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2em;
    }

    .course-name {
        font-size: 1em;
    }

    /* Проєкти на мобільних */
    .projects-column {
        padding: 22px 18px;
        margin: 25px 0 0 0;
        box-shadow: 5px 5px 0px var(--black);
    }

    .projects-column h2 {
        font-size: 1.3em;
    }

    .project-item {
        padding: 16px 18px;
        box-shadow: 4px 4px 0px var(--black);
    }

    /* Streak */
    .streak-icon-wrapper {
        width: 48px;
        height: 48px;
    }

    .streak-fire {
        font-size: 1.5em;
    }

    .streak-calendar-popup {
        right: -10px;
        min-width: 300px;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .profile-container {
        padding: 20px 15px;
        margin: 80px 0 25px 0;
    }

    .header {
        padding: 22px 15px;
    }

    .profile-icon-wrapper {
        width: 90px;
        height: 90px;
    }

    h1 {
        font-size: 1.5em;
    }

    .motivation-card {
        padding: 18px 15px;
        gap: 15px;
    }

    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3em;
    }

    .card-value {
        font-size: 1.6em;
    }

    .action-buttons {
        gap: 12px;
    }

    .btn, .share-profile-btn, .my-certificates-btn {
        padding: 15px 18px;
        font-size: 0.95em;
    }

    .details-column, .courses-column, .skills-column {
        padding: 20px 15px;
    }

    .course-card {
        padding: 15px 16px;
    }

    .share-card {
        border-radius: 20px;
    }

    .card-body {
        padding: 60px 20px 20px;
    }

    .profile-nickname {
        font-size: 1.4em;
    }

    .stats-grid {
        gap: 10px;
    }

    .stats-grid .stat-item {
        padding: 12px 8px;
    }

    .share-buttons {
        gap: 10px;
    }

    .share-button {
        padding: 12px;
        font-size: 0.9em;
    }
}

/* =========================================================================
   МОБІЛЬНИЙ ЗАСТОСУНОК — СТАТУС ТА БАНЕР
   ========================================================================= */

.mobile-status-active {
    color: var(--lime);
    font-weight: 700;
}

.mobile-status-active i {
    margin-right: 5px;
}

.mobile-status-inactive {
    color: var(--darkgray);
}

.mobile-status-inactive i {
    margin-right: 5px;
}

.mobile-app-banner {
    display: flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid var(--lime);
    border-radius: 16px;
    padding: 16px 20px;
    margin-top: 15px;
    animation: mobileBannerPulse 3s ease-in-out infinite;
}

@keyframes mobileBannerPulse {
    0%, 100% { border-color: var(--lime); }
    50% { border-color: var(--blue); }
}

.mobile-banner-icon {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--lime);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3em;
    color: var(--dark);
}

.mobile-banner-content {
    flex: 1;
}

.mobile-banner-title {
    font-weight: 700;
    font-size: 0.95em;
    color: var(--white);
    margin: 0;
}

.mobile-banner-text {
    font-size: 0.8em;
    color: var(--darkgray);
    margin: 3px 0 0 0;
}

.mobile-banner-btn {
    flex-shrink: 0;
    padding: 10px 18px;
    background: var(--lime);
    color: var(--dark);
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.85em;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.mobile-banner-btn:hover {
    background: var(--white);
    transform: translateY(-2px);
}

@media (max-width: 480px) {
    .mobile-app-banner {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}