/* ──────────────────────────────────────────────────────────────
   EduAnant School Selector Hub — Light Theme Creative Landing
   ────────────────────────────────────────────────────────────── */

:root {
    --bg: #f8fafc;
    --bg-hero: linear-gradient(170deg, #eef2ff 0%, #f0f4ff 30%, #faf5ff 60%, #fff1f2 100%);
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --border: rgba(148, 163, 184, 0.18);
    --border-hover: rgba(99, 102, 241, 0.3);
    --text: #0f172a;
    --text-2: #475569;
    --text-3: #94a3b8;
    --accent: #6366f1;
    --accent-l: #818cf8;
    --accent-s: #a78bfa;
    --accent-d: #4f46e5;
    --glow: rgba(99, 102, 241, 0.08);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-pill: 100px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body { min-height: 100dvh; }

.screen {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* ── Background Effects ──────────────────────────────────── */
.bg-effects {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    animation: drift 30s ease-in-out infinite;
}

.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.12), transparent 70%);
    top: -15%; right: -10%;
}

.orb-2 {
    width: 450px; height: 450px;
    background: radial-gradient(circle, rgba(168,85,247,0.08), transparent 70%);
    bottom: -5%; left: -10%;
    animation-delay: -10s;
}

.orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(244,114,182,0.06), transparent 70%);
    top: 30%; left: 40%;
    animation-delay: -20s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 60% 40% at 50% 20%, black 10%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 60% 40% at 50% 20%, black 10%, transparent 80%);
}

@keyframes drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(20px, -30px) scale(1.03); }
    66%      { transform: translate(-15px, 20px) scale(0.97); }
}

/* ── Hero / Header (centered) ────────────────────────────── */
.hub-hero {
    text-align: center;
    padding: 48px 24px 4px;
    background: var(--bg-hero);
    position: relative;
    animation: fadeUp 0.7s var(--ease) both;
}

.hero-inner {
    max-width: 540px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-logo {
    width: 72px;
    height: auto;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 16px rgba(99,102,241,0.15));
    animation: fadeUp 0.7s var(--ease) 0.1s both;
}

.hero-brand {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 4px;
    color: var(--text);
    animation: fadeUp 0.7s var(--ease) 0.15s both;
}

.hero-tagline {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 28px;
    animation: fadeUp 0.7s var(--ease) 0.2s both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-d);
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.12);
    border-radius: var(--r-pill);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
    animation: fadeUp 0.7s var(--ease) 0.25s both;
}

.hero-badge svg { color: #f59e0b; }

.hero-title {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin-bottom: 10px;
    color: var(--text);
    animation: fadeUp 0.7s var(--ease) 0.3s both;
}

.text-gradient {
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.6;
    max-width: 420px;
    margin: 0 auto;
    animation: fadeUp 0.7s var(--ease) 0.35s both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Main ────────────────────────────────────────────────── */
.hub-main {
    flex: 1;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    padding: 0 20px 48px;
}

/* ── Search ──────────────────────────────────────────────── */
.search-wrapper {
    padding: 24px 0 20px;
    animation: fadeUp 0.7s var(--ease) 0.4s both;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 16px;
    width: 18px; height: 18px;
    color: var(--text-3);
    pointer-events: none;
    transition: color 200ms var(--ease);
}

.search-box:focus-within .search-icon { color: var(--accent); }

#search-input {
    width: 100%;
    padding: 15px 44px 15px 46px;
    font-size: 0.9rem;
    font-family: var(--font);
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text);
    outline: none;
    transition: all 200ms var(--ease);
    box-shadow: var(--shadow-sm);
}

#search-input::placeholder { color: var(--text-3); }

#search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--glow), var(--shadow-md);
}

.clear-btn {
    position: absolute;
    right: 12px;
    width: 26px; height: 26px;
    border: none;
    background: rgba(148,163,184,0.12);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 200ms;
}

.clear-btn svg { width: 13px; height: 13px; color: var(--text-2); }
.clear-btn:hover { background: rgba(148,163,184,0.2); }

/* ── Cards container ─────────────────────────────────────── */
.card-container {
    animation: fadeUp 0.7s var(--ease) 0.45s both;
}

/* ── School List ─────────────────────────────────────────── */
.school-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── School Card ─────────────────────────────────────────── */
.school-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all 220ms var(--ease);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    animation: slideIn 0.35s var(--ease) forwards;
    opacity: 0;
    box-shadow: var(--shadow-sm);
}

.school-card::before {
    content: '';
    position: absolute;
    left: 0; top: 15%; bottom: 15%;
    width: 3px;
    background: linear-gradient(180deg, var(--accent), var(--accent-s));
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transition: opacity 200ms;
}

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

.school-card:hover {
    background: var(--surface);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.school-card:hover::before { opacity: 1; }
.school-card:active { transform: scale(0.985); box-shadow: var(--shadow-sm); }

.school-card:nth-child(2) { animation-delay: 0.05s; }
.school-card:nth-child(3) { animation-delay: 0.10s; }
.school-card:nth-child(4) { animation-delay: 0.15s; }
.school-card:nth-child(5) { animation-delay: 0.20s; }
.school-card:nth-child(6) { animation-delay: 0.25s; }
.school-card:nth-child(7) { animation-delay: 0.30s; }
.school-card:nth-child(8) { animation-delay: 0.35s; }

.school-logo-wrapper {
    width: 48px; height: 48px;
    border-radius: var(--r-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, #eef2ff, #faf5ff);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(99,102,241,0.08);
    transition: border-color 200ms;
    position: relative;
}

.school-card:hover .school-logo-wrapper { border-color: var(--border-hover); }

.school-logo {
    width: 100%; height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.school-logo-fallback-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.school-info { flex: 1; min-width: 0; }

.school-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    margin-bottom: 2px;
}

.school-address {
    font-size: 0.78rem;
    color: var(--text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.school-arrow {
    flex-shrink: 0;
    width: 18px; height: 18px;
    color: var(--text-3);
    transition: transform 200ms, color 200ms;
}

.school-card:hover .school-arrow {
    color: var(--accent);
    transform: translateX(3px);
}

/* ── Skeleton ────────────────────────────────────────────── */
.skeleton-card {
    height: 76px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.skeleton-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(99,102,241,0.04), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ── States ──────────────────────────────────────────────── */
.state-msg {
    text-align: center;
    padding: 48px 20px;
}

.state-icon {
    width: 56px; height: 56px;
    margin: 0 auto 16px;
    color: var(--text-3);
}

.state-icon--error { color: #ef4444; }
.state-icon svg { width: 100%; height: 100%; }

.state-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 4px;
}

.state-sub {
    font-size: 0.8rem;
    color: var(--text-3);
}

.retry-btn {
    margin-top: 18px;
    padding: 11px 28px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font);
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-s));
    border: none;
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all 200ms;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    box-shadow: 0 4px 14px rgba(99,102,241,0.2);
}

.retry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.3);
}

/* ── Feature Pills ───────────────────────────────────────── */
.features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    animation: fadeUp 0.7s var(--ease) 0.55s both;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-2);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    white-space: nowrap;
    transition: all 200ms;
    box-shadow: var(--shadow-sm);
}

.pill svg { color: var(--accent); opacity: 0.7; flex-shrink: 0; }

.pill:hover {
    background: #eef2ff;
    border-color: rgba(99,102,241,0.2);
    color: var(--accent-d);
    box-shadow: var(--shadow-md);
}

/* ── School count ────────────────────────────────────────── */
.school-count {
    font-size: 0.78rem;
    color: var(--text-3);
    margin-bottom: 10px;
    padding: 0 2px;
}

.school-count strong { color: var(--accent); font-weight: 700; }

/* ── Footer ──────────────────────────────────────────────── */
.hub-footer {
    text-align: center;
    padding: 28px 20px 24px;
    border-top: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.footer-logo {
    width: 32px; height: 32px;
    border-radius: 8px;
    object-fit: contain;
}

.footer-motto {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
}

.hub-footer p {
    font-size: 0.7rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hub-footer strong { color: var(--text-2); }

.footer-copy {
    font-size: 0.65rem !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}

/* ── Redirect Screen ─────────────────────────────────────── */
#redirect-screen {
    background: var(--bg);
    justify-content: center;
    align-items: center;
}

.redirect-container {
    text-align: center;
    padding: 24px;
    animation: fadeUp 0.5s var(--ease);
}

.redirect-logo-ring {
    width: 96px; height: 96px;
    margin: 0 auto 22px;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, var(--accent), var(--accent-s), #ec4899);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--glow); }
    50%      { box-shadow: 0 0 0 14px transparent; }
}

.redirect-logo {
    width: 100%; height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg);
    border: 3px solid var(--bg);
}

.redirect-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}

.redirect-subtitle {
    font-size: 0.85rem;
    color: var(--text-2);
    margin-bottom: 26px;
}

.redirect-spinner {
    width: 28px; height: 28px;
    margin: 0 auto 32px;
    border: 3px solid rgba(148,163,184,0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.change-school-btn {
    background: none;
    border: 1px solid var(--border);
    font-size: 0.8rem;
    font-family: var(--font);
    color: var(--text-3);
    cursor: pointer;
    padding: 9px 20px;
    border-radius: var(--r-pill);
    transition: all 200ms;
}

.change-school-btn span { color: var(--accent); font-weight: 600; }
.change-school-btn:hover { background: rgba(99,102,241,0.04); border-color: var(--border-hover); }

/* ── App Icon Update Bottom Sheet ───────────────────────── */
.sheet-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.sheet-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.sheet-overlay.visible .sheet-backdrop { opacity: 1; }

.sheet-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    background: var(--surface);
    border-radius: 24px 24px 0 0;
    padding: 12px 24px 40px;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -8px 40px rgba(0,0,0,0.12);
}

.sheet-overlay.visible .sheet-panel { transform: translateY(0); }

.sheet-handle {
    width: 36px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 0 auto 20px;
}

.sheet-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.sheet-icon-badge {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #eef2ff, #faf5ff);
    border: 1px solid rgba(99,102,241,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
}

.sheet-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 2px;
}

.sheet-desc {
    font-size: 0.78rem;
    color: var(--text-2);
}

/* Icon preview row */
.icon-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
    padding: 20px;
    background: var(--surface-hover);
    border-radius: var(--r-md);
    border: 1px solid var(--border);
}

.icon-preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.icon-preview-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #eef2ff, #faf5ff);
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-md);
}

.icon-preview-box--school {
    background: linear-gradient(135deg, #f0f9ff, #faf5ff);
    border-color: rgba(99,102,241,0.2);
    box-shadow: 0 4px 16px rgba(99,102,241,0.15);
}

.icon-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.icon-preview-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    opacity: 0.7;
}

.icon-preview-label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-2);
    max-width: 72px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.icon-preview-label--school {
    font-weight: 700;
    color: var(--accent-d);
}

.icon-preview-arrow {
    color: var(--text-3);
    flex-shrink: 0;
}

/* Sheet buttons */
.sheet-btn-primary {
    width: 100%;
    padding: 15px;
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font);
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-s));
    border: none;
    border-radius: var(--r-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 10px;
    transition: all 200ms var(--ease);
    box-shadow: 0 4px 16px rgba(99,102,241,0.25);
}

.sheet-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.35);
}

.sheet-btn-primary:active { transform: scale(0.98); }

.sheet-btn-secondary {
    width: 100%;
    padding: 13px;
    font-size: 0.82rem;
    font-weight: 500;
    font-family: var(--font);
    color: var(--text-2);
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all 200ms;
}

.sheet-btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    color: var(--text);
}

/* ── Responsive ──────────────────────────────────────────── */

/* Small phones */
@media (max-width: 380px) {
    .hero-title { font-size: 1.5rem; }
    .hero-brand { font-size: 1.4rem; }
    .hero-logo { width: 56px; }
    .hero-desc { font-size: 0.82rem; }
    .hub-hero { padding-top: 32px; }
    .features { gap: 6px; }
    .pill { padding: 6px 10px; font-size: 0.68rem; }
}

/* Standard mobile */
@media (min-width: 381px) and (max-width: 640px) {
    .hero-title { font-size: 1.75rem; }
    .hero-logo { width: 64px; }
}

/* Tablet */
@media (min-width: 641px) {
    .hub-hero { padding: 56px 32px 8px; }
    .hero-logo { width: 80px; }
    .hero-brand { font-size: 2rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-desc { font-size: 1rem; }
    .hub-main { padding: 0 28px 60px; }
    .school-card { padding: 16px 22px; }
}

/* Desktop */
@media (min-width: 1024px) {
    .hub-hero { padding-top: 64px; }
    .hero-title { font-size: 2.75rem; }
    .hero-logo { width: 88px; }
    .hero-brand { font-size: 2.2rem; }
}

/* Smooth theme transition for status bar on Android TWA */
@media (display-mode: standalone) {
    .hub-hero {
        padding-top: calc(48px + env(safe-area-inset-top));
    }
}