/* ============================================================
   ENTRYX — COMPREHENSIVE RESPONSIVE STYLESHEET
   Breakpoints:
     xs: < 480px  (phones portrait)
     sm: < 640px  (phones landscape / small phones)
     md: < 768px  (tablets portrait)
     lg: < 1024px (tablets landscape / small laptops)
   ============================================================ */

/* ─── HAMBURGER MENU ─────────────────────────────────────── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}
.nav-hamburger:hover { background: rgba(255,255,255,0.05); }
.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #94a3b8;
    border-radius: 2px;
    transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: white; }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: white; }

/* Mobile slide-down nav drawer */
.nav-mobile-drawer {
    display: none;
    flex-direction: column;
    gap: 0;
    background: rgba(5,5,5,0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.06);
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    padding: 1rem 1.5rem 1.5rem;
    z-index: 999;
    animation: slideDown 0.3s cubic-bezier(0.16,1,0.3,1);
}
.nav-mobile-drawer.open { display: flex; }
.nav-mobile-drawer a {
    padding: 0.85rem 0;
    color: #94a3b8;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: color 0.2s;
}
.nav-mobile-drawer a:last-child { border-bottom: none; }
.nav-mobile-drawer a:hover { color: white; }
.nav-mobile-drawer .mobile-logout-btn {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(255,31,31,0.08);
    border: 1px solid rgba(255,31,31,0.2);
    border-radius: 12px;
    color: #ef4444;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    font-size: 0.9rem;
    font-family: inherit;
    transition: background 0.2s;
    width: 100%;
}
.nav-mobile-drawer .mobile-logout-btn:hover { background: rgba(255,31,31,0.15); }

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

/* ─── LARGE DESKTOP (≤ 1024px) ──────────────────────────── */
@media (max-width: 1024px) {
    .container { padding: 0 1.5rem; }

    /* Admin dashboard grid */
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Dashboard 3-col → 2-col */
    [style*="grid-template-columns: repeat(3,"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ─── TABLET PORTRAIT (≤ 768px) ─────────────────────────── */
@media (max-width: 768px) {
    /* --- NAV --- */
    .nav-links-main,
    .user-meta-hide {
        display: none !important;
    }
    .nav-hamburger {
        display: flex;
    }
    /* Make nav position relative so drawer drops below it */
    .nav-standard {
        position: sticky;
        top: 0;
    }
    .nav-standard .container {
        position: relative;
    }

    /* --- CONTAINER --- */
    .container { padding: 0 1rem; }

    /* --- HERO (index.php) --- */
    section[style*="min-height: 85vh"] {
        padding: 2rem 0 !important;
        min-height: auto !important;
    }
    section[style*="min-height: 85vh"] h1 {
        font-size: clamp(2rem, 8vw, 3.5rem) !important;
    }
    section[style*="min-height: 85vh"] p {
        font-size: 1rem !important;
        margin-bottom: 2.5rem !important;
    }
    /* Hero buttons stack */
    section[style*="min-height: 85vh"] [style*="display: flex; gap: 1.5rem"] {
        flex-direction: column !important;
        align-items: center !important;
        gap: 1rem !important;
    }
    section[style*="min-height: 85vh"] [style*="display: flex; gap: 1.5rem"] a,
    section[style*="min-height: 85vh"] [style*="display: flex; gap: 1rem"] a,
    section[style*="min-height: 85vh"] [style*="display: flex; gap: 1rem"] .btn {
        width: 100%;
        max-width: 340px;
        justify-content: center;
    }

    /* --- GLASS PANEL --- */
    .glass-panel {
        border-radius: 20px !important;
    }

    /* --- REGISTER PAGE --- */
    .glass-panel[style*="max-width: 800px"] {
        padding: 2rem 1.5rem !important;
    }
    /* All 2-col grids → 1-col */
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr; gap"],
    .input-grid {
        grid-template-columns: 1fr !important;
        gap: 1.2rem !important;
    }

    /* --- PUBLISH RESULTS --- */
    .publish-container {
        padding: 2rem 0 !important;
    }
    .result-card-premium {
        padding: 2rem 1.5rem !important;
        border-radius: 20px !important;
    }
    .hero-text h1 {
        font-size: 2rem !important;
    }

    /* --- FORMS GENERAL --- */
    form[style*="padding: 2.5rem"],
    .form-section {
        padding: 1.5rem !important;
    }

    /* --- TABLES: Make them scrollable --- */
    table {
        display: block !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }
    /* Keep table cells from being too narrow */
    th, td {
        min-width: 100px;
    }

    /* --- DASHBOARD STATS GRID → single column --- */
    [style*="grid-template-columns: repeat(4"],
    [style*="grid-template-columns: repeat(3"],
    [style*="grid-template-columns: repeat(2"] {
        grid-template-columns: 1fr 1fr !important;
    }

    /* --- MODALS: full width on mobile --- */
    [style*="max-width: 650px"],
    [style*="max-width: 700px"],
    [style*="max-width: 720px"],
    [style*="max-width: 750px"],
    [style*="max-width: 800px"] {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        border-radius: 0 !important;
    }
    /* Modal scrollable */
    [style*="overflow-y: auto"] {
        max-height: 90vh !important;
    }

    /* --- ADMIN DASHBOARD SIDEBAR/NAV TABS --- */
    .admin-tab-bar {
        flex-wrap: wrap !important;
        gap: 0.5rem !important;
    }

    /* --- BUTTON ROWS: stack them --- */
    [style*="display: flex; gap: 2rem"] > button,
    [style*="display: flex; gap: 2rem"] > a {
        flex: 1 1 100% !important;
    }

    /* --- PAYMENT SECTION --- */
    #paymentSection {
        padding: 1.5rem !important;
    }

    /* --- STUDENT/EXTERNAL DASHBOARD --- */
    .dashboard-grid-2,
    [style*="display: grid; grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ─── PHONE PORTRAIT (≤ 480px) ──────────────────────────── */
@media (max-width: 480px) {
    .container { padding: 0 0.85rem; }

    /* Nav logo text shrink */
    .nav-standard span[style*="1.4rem"] {
        font-size: 1.1rem !important;
    }
    .nav-standard div[style*="42px"] {
        width: 36px !important;
        height: 36px !important;
    }

    /* Page section padding reduction */
    section { padding: 1.5rem 0 !important; }

    /* Glass panels extra-compact */
    .glass-panel[style*="padding: 3rem"] {
        padding: 1.5rem !important;
    }
    .glass-panel[style*="padding: 4rem"] {
        padding: 1.5rem !important;
    }
    .result-card-premium {
        padding: 1.5rem 1rem !important;
    }

    /* Hero title smaller */
    h1[style*="font-size: clamp"] {
        font-size: clamp(1.8rem, 8vw, 2.5rem) !important;
        line-height: 1.1 !important;
    }

    /* All stats in 1 column */
    [style*="grid-template-columns: repeat"] {
        grid-template-columns: 1fr !important;
    }

    /* Buttons full width */
    .btn {
        width: 100%;
        justify-content: center;
    }
    /* Override inline btn widths that should fill */
    [style*="flex: 1"] > .btn,
    [style*="flex: 2"] > .btn {
        width: 100% !important;
    }

    /* Table action column buttons wrap */
    td [style*="display: flex; gap"] {
        flex-wrap: wrap !important;
        gap: 0.4rem !important;
    }

    /* Login & register cards */
    [style*="max-width: 480px"],
    [style*="max-width: 500px"] {
        padding: 1.5rem 1rem !important;
    }

    /* Admin dashboard tab strip scrollable */
    [style*="border-bottom: 1px solid"] {
        overflow-x: auto;
    }

    /* Status badges smaller */
    .status-badge {
        font-size: 0.65rem !important;
        padding: 0.3rem 0.7rem !important;
    }

    /* Form inputs comfortable on small screens */
    input, select, textarea {
        font-size: 0.95rem !important;
        padding: 0.9rem 1rem !important;
    }

    /* Icon + text flex items wrap */
    [style*="display: flex; align-items: center; gap: 1rem"] {
        flex-wrap: wrap;
    }

    /* Scanner page full screen */
    .scanner-container {
        padding: 1rem !important;
    }

    /* Security dashboard stat boxes */
    .security-stat-grid {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Hide decorative absolute glow blobs on very small screens */
    [style*="position: absolute"][style*="filter: blur"][style*="500px"],
    [style*="position: absolute"][style*="filter: blur"][style*="600px"] {
        display: none !important;
    }
}

/* ─── TOUCH IMPROVEMENTS ─────────────────────────────────── */
@media (pointer: coarse) {
    /* Bigger tap targets */
    .btn { min-height: 44px; }
    input, select, textarea { min-height: 44px; }
    .nav-link-premium { padding: 0.5rem 0; }
    .user-avatar-nav { width: 44px !important; height: 44px !important; }

    /* Remove hover transforms on touch (they stick) */
    .glass-panel:hover { transform: none !important; }
    .btn-primary:hover { transform: none !important; }
    .btn-outline:hover { transform: none !important; }
}

/* ─── UTILITY: responsive text ───────────────────────────── */
@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
    .show-mobile { display: block !important; }
}
@media (min-width: 769px) {
    .hide-desktop { display: none !important; }
}