/* ============================================
   KOODI - REACT COURSE PATH STYLES
   wayforreact-new.css - BIG Koodi App Style
   ============================================ */

/* ==================== FLYING SQUARES ==================== */
.flying-squares {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.flying-square {
    position: absolute;
    border-radius: 10px;
    opacity: 0;
    animation: floatUp linear infinite;
}

/* Брендові кольори: pink #FF4E99, orange #FF9F00, lime #C6DF2B, blue #009DFF */
.flying-square:nth-child(1) { width: 50px; height: 50px; background: #FF4E99; left: 5%; animation-duration: 22s; animation-delay: 0s; }
.flying-square:nth-child(2) { width: 35px; height: 35px; background: #FF9F00; left: 12%; animation-duration: 18s; animation-delay: -4s; }
.flying-square:nth-child(3) { width: 70px; height: 70px; background: #C6DF2B; left: 22%; animation-duration: 28s; animation-delay: -8s; }
.flying-square:nth-child(4) { width: 25px; height: 25px; background: #009DFF; left: 32%; animation-duration: 20s; animation-delay: -2s; }
.flying-square:nth-child(5) { width: 45px; height: 45px; background: #FF4E99; left: 42%; animation-duration: 25s; animation-delay: -6s; }
.flying-square:nth-child(6) { width: 60px; height: 60px; background: #FF9F00; left: 52%; animation-duration: 23s; animation-delay: -10s; }
.flying-square:nth-child(7) { width: 30px; height: 30px; background: #C6DF2B; left: 62%; animation-duration: 19s; animation-delay: -3s; }
.flying-square:nth-child(8) { width: 55px; height: 55px; background: #009DFF; left: 72%; animation-duration: 26s; animation-delay: -7s; }
.flying-square:nth-child(9) { width: 40px; height: 40px; background: #FF4E99; left: 82%; animation-duration: 21s; animation-delay: -12s; }
.flying-square:nth-child(10) { width: 65px; height: 65px; background: #FF9F00; left: 90%; animation-duration: 24s; animation-delay: -5s; }
.flying-square:nth-child(11) { width: 20px; height: 20px; background: #C6DF2B; left: 8%; animation-duration: 17s; animation-delay: -9s; }
.flying-square:nth-child(12) { width: 75px; height: 75px; background: #009DFF; left: 48%; animation-duration: 30s; animation-delay: -15s; }

@keyframes floatUp {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    5% { opacity: 0.12; }
    95% { opacity: 0.12; }
    100% { transform: translateY(-150px) rotate(360deg); opacity: 0; }
}

:root {
    --react-primary: #61DAFB;
    --react-secondary: #282c34;
    --react-dark: #20232a;

    --completed: #C6DF2B;
    --completed-dark: #a8c41f;
    --current: #61DAFB;
    --locked: #d1d5db;
    --locked-dark: #9ca3af;

    --text-dark: #1a1a2e;
    --text-muted: #6b7280;
    --text-light: #ffffff;

    --bg-page: #faf9f7;
    --bg-card: #ffffff;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.12);

    --radius-sm: 16px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-xl: 30px;

    --transition: 0.3s ease;
}

.main-content { min-height: 100vh;  background: var(--bg-page); }

.main-hero { text-align: center; padding: 40px 20px 30px; }
.hero-content { max-width: 600px; margin: 0 auto; }
.back-link { display: inline-flex; align-items: center; gap: 10px; color: var(--text-muted); text-decoration: none; font-size: 1rem; font-weight: 500; margin-bottom: 25px; transition: color var(--transition); }
.back-link:hover { color: var(--react-primary); }
.react-logo-hero { margin-bottom: 25px; }
.react-logo-hero img { width: 160px; height: 160px; filter: drop-shadow(0 8px 35px rgba(97, 218, 251, 0.45)); }
.main-hero h1 { font-size: 3.5rem; font-weight: 700; color: var(--text-dark); margin-bottom: 18px; }
.main-hero p { color: var(--text-muted); font-size: 1.35rem; line-height: 1.6; }

.lesson-path-section-react { padding: 30px 0 100px; }
.path-container-react { position: relative; width: 100%; max-width: 600px; margin: 0 auto; padding: 0 30px; }

.chapter { display: flex; align-items: center; justify-content: space-between; padding: 24px 30px; margin: 50px 0 45px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.chapter--1 { background: var(--react-secondary); }
.chapter--2 { background: #9b59b6; }
.chapter--3 { background: #27ae60; }
.chapter--bonus { background: linear-gradient(135deg, #FFD700, #61DAFB); }
.chapter__left { display: flex; align-items: center; gap: 18px; }
.chapter__icon { width: 60px; height: 60px; background: rgba(255, 255, 255, 0.2); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; }
.chapter--bonus .chapter__icon { background: rgba(0, 0, 0, 0.1); }
.chapter__info { display: flex; flex-direction: column; gap: 4px; }
.chapter__label { font-size: 0.8rem; color: rgba(255, 255, 255, 0.8); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.chapter--bonus .chapter__label { color: rgba(0, 0, 0, 0.5); }
.chapter__title { font-size: 1.4rem; font-weight: 700; color: var(--text-light); }
.chapter--bonus .chapter__title { color: var(--text-dark); }
.chapter__count { background: rgba(255, 255, 255, 0.25); padding: 10px 22px; border-radius: 30px; font-size: 1.05rem; font-weight: 600; color: var(--text-light); }
.chapter--bonus .chapter__count { background: rgba(0, 0, 0, 0.1); color: var(--text-dark); font-size: 1.3rem; }

.lessons { position: relative; display: flex; flex-direction: column; align-items: center; padding: 30px 0; }

.path-lines-svg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; overflow: visible; }
.path-line { fill: none; stroke-width: 8; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.3s ease; }
.path-line.locked { stroke: var(--locked); }
.path-line.completed { stroke: var(--completed); }
.path-line.current { stroke: url(#currentGradient); }

.lesson-node-react { position: relative; z-index: 10; display: flex; flex-direction: column; align-items: center; cursor: pointer; margin-bottom: 55px; transition: transform var(--transition); }
.lesson-node-react:last-child { margin-bottom: 30px; }
.lesson--left { align-self: flex-start; margin-left: 0; }
.lesson--center { align-self: center; }
.lesson--right { align-self: flex-end; margin-right: 0; }
.lesson-node-react:hover { transform: scale(1.12); }
.locked-react { cursor: default; }
.locked-react:hover { transform: scale(1.05); }

.lesson__square { width: 110px; height: 110px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; position: relative; box-shadow: var(--shadow-md); transition: all var(--transition); }
.completed-react .lesson__square { background: var(--completed); }
.current-react .lesson__square { background: var(--current); animation: pulse 2s infinite; }
.locked-react .lesson__square { background: var(--locked); }
.bonus-react .lesson__square { background: linear-gradient(135deg, #FFD700, #61DAFB); }
.bonus-react.locked-react .lesson__square { background: linear-gradient(135deg, #ccc, #aaa); }

@keyframes pulse { 0%, 100% { box-shadow: 0 8px 25px rgba(97, 218, 251, 0.45); } 50% { box-shadow: 0 8px 50px rgba(97, 218, 251, 0.75); } }

.lesson__check { position: absolute; top: -12px; right: -12px; width: 36px; height: 36px; background: var(--bg-card); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); opacity: 0; transform: scale(0); transition: all var(--transition); border: 3px solid var(--completed); }
.completed-react .lesson__check { opacity: 1; transform: scale(1); }
.lesson__check i { color: var(--completed-dark); font-size: 1.1rem; font-weight: bold; }

.lesson__icon { font-size: 3rem !important; color: var(--text-dark); transition: color var(--transition); }
.current-react .lesson__icon { color: var(--text-dark); }
.completed-react .lesson__icon { color: var(--text-dark); }
.locked-react .lesson__icon { color: var(--locked-dark); }

.lesson__title { margin-top: 16px; font-size: 1.05rem; font-weight: 600; color: var(--text-dark); text-align: center; max-width: 130px; line-height: 1.4; }
.lesson__number { font-size: 0.85rem; color: var(--text-muted); text-align: center; margin-top: 4px; }
.locked-react .lesson__title { color: var(--locked-dark); }
.locked-react .lesson__number { color: var(--locked-dark); }

.lesson-card-react { position: absolute; bottom: calc(100% + 15px); left: 50%; transform: translateX(-50%) translateY(10px); background: var(--bg-card); border-radius: 16px; padding: 20px 24px; width: 260px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15); border: 1px solid #e5e5e5; opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 1000; pointer-events: none; text-align: center; }
.lesson-card-react::before { content: ''; position: absolute; bottom: -30px; left: -20px; right: -20px; height: 50px; }
.lesson-card-react::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); border-left: 10px solid transparent; border-right: 10px solid transparent; border-top: 10px solid var(--bg-card); }
.lesson-card-react.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.lesson--left .lesson-card-react { left: 50%; transform: translateX(-30%) translateY(10px); }
.lesson--left .lesson-card-react.show { transform: translateX(-30%) translateY(0); }
.lesson--left .lesson-card-react::after { left: 30%; }
.lesson--right .lesson-card-react { left: 50%; transform: translateX(-70%) translateY(10px); }
.lesson--right .lesson-card-react.show { transform: translateX(-70%) translateY(0); }
.lesson--right .lesson-card-react::after { left: 70%; }
.lesson-card-react .card-icon { font-size: 2rem; color: var(--react-primary); margin-bottom: 8px; display: block; }
.lesson-card-react h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.lesson-card-react .card-subtitle { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; }
.lesson-card-react .go-to-lesson-btn { background: var(--react-primary); color: var(--text-dark); border: none; padding: 10px 20px; border-radius: 10px; font-size: 0.9rem; font-weight: 600; cursor: pointer; width: 100%; transition: all 0.2s ease; font-family: 'Rubik', sans-serif; }
.lesson-card-react .go-to-lesson-btn:hover { transform: scale(1.02); box-shadow: 0 4px 15px rgba(97, 218, 251, 0.4); }
.lesson-card-react .go-to-lesson-btn.locked { background: var(--locked); color: var(--locked-dark); cursor: not-allowed; }
.lesson-card-react .go-to-lesson-btn.locked:hover { transform: none; box-shadow: none; }
.lesson-card-react .go-to-lesson-btn.completed { background: var(--completed); color: var(--text-dark); }

.lesson-card-react .go-to-lesson-btn.login-accent {
    background: #C6DF2B;
    color: #1a1a2e;
    cursor: pointer;
    font-weight: 700;
}

.lesson-card-react .go-to-lesson-btn.login-accent:hover {
    transform: scale(1.05);
    background: #d4eb3a;
    box-shadow: 0 4px 15px rgba(198, 223, 43, 0.5);
}

/* Card buttons container */
.lesson-card-react .card-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lesson-card-react .card-buttons .go-to-lesson-btn {
    width: 100%;
    font-size: 0.85rem;
    padding: 12px 16px;
}

.lesson-card-react .go-to-lesson-btn.complete-btn {
    background: var(--completed);
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.lesson-card-react .go-to-lesson-btn.complete-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.lesson-card-react .go-to-lesson-btn.complete-btn:active {
    transform: scale(0.98);
}

.trophy {
    text-align: center;
    padding: 40px 20px;
    margin-top: 20px;
}

.trophy__icon {
    width: 100px;
    height: 100px;
    background: var(--accent);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto;
}
.trophy__text { margin-top: 25px; font-size: 1.3rem; font-weight: 600; color: var(--text-dark); }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.user-greeting { margin-top: 15px; padding: 30px 40px; background: rgba(97, 218, 251, 0.15); border-radius: 16px; border: 1px solid rgba(97, 218, 251, 0.3); animation: fadeIn 0.5s ease; max-width: 900px; width: calc(100% - 40px); margin-left: auto; margin-right: auto; }
.user-greeting p { color: var(--text-dark); font-size: 1.5rem; font-weight: 600; }

@media (max-width: 650px) {
    .main-hero { padding: 25px 15px 20px; }
    .react-logo-hero img { width: 90px; height: 90px; }
    .main-hero h1 { font-size: 2.2rem; }
    .main-hero p { font-size: 1rem; }
    .path-container-react { padding: 0 15px; }
    .chapter { padding: 18px 20px; margin: 35px 0 30px; }
    .chapter__icon { width: 48px; height: 48px; font-size: 1.5rem; }
    .chapter__title { font-size: 1.15rem; }
    .lesson__square { width: 90px; height: 90px; border-radius: var(--radius-md); }
    .lesson__icon { font-size: 2.4rem !important; }
    .lesson__title { font-size: 0.9rem; max-width: 110px; }
    .lesson-node-react { margin-bottom: 45px; }
    .lesson-card-react, .lesson--left .lesson-card-react, .lesson--right .lesson-card-react { width: 180px; padding: 12px 14px; left: 50%; transform: translateX(-50%) translateY(10px); }
    .lesson-card-react.show { transform: translateX(-50%) translateY(0); }
    .lesson--left .lesson-card-react.show, .lesson--right .lesson-card-react.show { transform: translateX(-50%) translateY(0); }
    .lesson--left .lesson-card-react::after, .lesson--right .lesson-card-react::after { left: 50%; }
    .trophy__icon { width: 110px; height: 110px; font-size: 3rem; }
    .path-line { stroke-width: 6; }
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }