theme.css

/* ═══════════════════════════════════════════════════════════════
   theme.css — Hostel Management System
   Global theme: Microsoft Fluent Design — Light, Clean, Corporate
   Usage: <link rel="stylesheet" href="theme.css"> in every page
   ═══════════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&display=swap');

/* ════════════════════════════════════════
   1. CSS VARIABLES — Microsoft Fluent Style
   ════════════════════════════════════════ */
:root {
    /* Brand — Microsoft Blue */
    --primary:        #0078d4;
    --primary-light:  #2899f5;  /* FIX: was #106ebe (darker than primary — wrong). Now a true lighter tint. */
    --primary-dark:   #005a9e;
    --accent:         #00b294;
    --accent-hover:   #009880;

    /* Surfaces — warm cream like Microsoft Rewards */
    --bg:             #faf9f7;
    --bg-secondary:   #f3f2f0;
    --card:           #ffffff;
    --card-hover:     #f9f9f9;
    --border:         #e1dfdd;
    --border-light:   #edebe9;

    /* Text */
    --text:           #201f1e;
    --text-secondary: #484644;
    --muted:          #8a8886;
    --text-on-primary:#ffffff;

    /* Status */
    --success:        #107c10;
    --success-bg:     #dff6dd;
    --success-border: #9fd89f;
    --warning:        #835b00;
    --warning-bg:     #fff4ce;
    --warning-border: #f9ce56;
    --danger:         #c50f1f;
    --danger-bg:      #fde7e9;
    --danger-border:  #f1a7b0;
    --info:           #0078d4;
    --info-bg:        #deecf9;

    /* Shadows — Fluent subtle depth */
    --shadow-sm:      0 1.6px 3.6px rgba(0,0,0,.07), 0 0.3px 0.9px rgba(0,0,0,.05);
    --shadow-md:      0 3.2px 7.2px rgba(0,0,0,.09), 0 0.6px 1.8px rgba(0,0,0,.06);
    --shadow-lg:      0 6.4px 14.4px rgba(0,0,0,.10), 0 1.2px 3.6px rgba(0,0,0,.07);

    /* Radius */
    --radius-sm:      4px;
    --radius:         8px;
    --radius-lg:      12px;

    /* Transitions */
    --transition:     all 0.2s ease;

    /* Navbar */
    --navbar-bg:      linear-gradient(135deg, #0f3460 0%, #16213e 100%);
    --navbar-height:  72px;
}

/* ── Dark Mode Variables ── */
[data-theme="dark"] {
    --bg:             #0f1a13;
    --bg-secondary:   #162010;
    --card:           #1a2b1e;
    --card-hover:     #1f3324;
    --border:         #2a3d2e;
    --border-light:   #243628;

    --text:           #e8e6e0;
    --text-secondary: #b0b8ac;
    --muted:          #6b7d6e;

    --shadow-sm:      0 2px 8px rgba(0,0,0,.3);
    --shadow-md:      0 4px 20px rgba(0,0,0,.4);
    --shadow-lg:      0 8px 40px rgba(0,0,0,.5);

    --success-bg:     #0d2a1a;
    --success-border: #1e5c30;
    --warning-bg:     #2a1e00;
    --warning-border: #5c4000;
    --danger-bg:      #2a0e0a;
    --danger-border:  #5c2018;
    --info-bg:        #0a1040;

    --navbar-bg:      linear-gradient(135deg, #0f2318 0%, #1a3a2a 100%);
}

/* ════════════════════════════════════════
   2. BASE RESET & BODY
   ════════════════════════════════════════ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', 'Segoe UI', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
    /* Offset for sticky navbar */
    padding-top: 0;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ════════════════════════════════════════
   3. TYPOGRAPHY UPGRADES
   ════════════════════════════════════════ */
h1, h2, h3 {
    font-family: 'DM Sans', 'Segoe UI', sans-serif;
    color: var(--text);
    font-weight: 700;
    /* Note: no !important needed here — these are base defaults */
}

/* Playfair for special headings */
.heading-serif {
    font-family: 'Playfair Display', serif;
    color: var(--primary);
}

/* ════════════════════════════════════════
   4. CARD UPGRADES — works on .card class
   ════════════════════════════════════════ */
.card {
    background: var(--card) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: var(--transition) !important;
    color: var(--text);  /* FIX: removed unnecessary !important */
}

.card:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-3px);
    background: var(--card-hover);
}

/* ════════════════════════════════════════
   5. BUTTON UPGRADES
   ════════════════════════════════════════ */
.btn, button[type="submit"], .nav-btn {
    font-family: 'DM Sans', sans-serif !important;
    font-weight: 600 !important;
    transition: var(--transition) !important;
    cursor: pointer !important;
}

/* Primary green button */
.btn-primary, button[type="submit"]:not(.btn-danger):not(.btn-warning) {
    background: var(--primary) !important;
    color: #fff !important;
    border: none !important;
    border-radius: var(--radius-sm) !important;
}
.btn-primary:hover, button[type="submit"]:not(.btn-danger):not(.btn-warning):hover {
    background: var(--primary-light) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(26,58,42,.3) !important;
}

/* ════════════════════════════════════════
   6. TABLE UPGRADES
   ════════════════════════════════════════ */
table {
    color: var(--text);  /* FIX: removed unnecessary !important */
}

thead tr, thead th {
    background: var(--primary) !important;
    color: #fff !important;
}

tbody tr:hover {
    background: var(--card-hover) !important;
}

tbody td {
    border-color: var(--border);
    color: var(--text);  /* FIX: removed unnecessary !important */
}

/* ════════════════════════════════════════
   7. FORM ELEMENTS UPGRADES
   ════════════════════════════════════════ */
input:not([type="radio"]):not([type="checkbox"]):not([type="file"]),
select,
textarea {
    background: var(--card) !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
    font-family: 'DM Sans', sans-serif !important;
    transition: border-color 0.2s, box-shadow 0.2s !important;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(26,58,42,.1) !important;
    outline: none !important;
}

label {
    color: var(--text-secondary);
    font-family: 'DM Sans', sans-serif;  /* FIX: removed unnecessary !important */
}

/* ════════════════════════════════════════
   8. DASHBOARD / WELCOME BANNER UPGRADE
   ════════════════════════════════════════ */
.welcome-banner, .dashboard-header {
    background: var(--navbar-bg) !important;
    color: #fff !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
}

.welcome-banner h2, .welcome-banner h1,
.welcome-banner p, .welcome-banner span {
    color: #fff !important;
}

/* ════════════════════════════════════════
   9. ALERT / NOTIFICATION BOXES
   ════════════════════════════════════════ */
.alert-success, .success-msg {
    background: var(--success-bg) !important;
    border-color: var(--success-border) !important;
    color: var(--success) !important;
    border-radius: var(--radius-sm) !important;
}

.alert-danger, .alert-error, .error-msg {
    background: var(--danger-bg) !important;
    border-color: var(--danger-border) !important;
    color: var(--danger) !important;
    border-radius: var(--radius-sm) !important;
}

.alert-warning {
    background: var(--warning-bg) !important;
    border-color: var(--warning-border) !important;
    color: var(--warning) !important;
    border-radius: var(--radius-sm) !important;
}

/* ════════════════════════════════════════
   10. NAVBAR UPGRADES (overrides navbar.php)
   ════════════════════════════════════════ */
.main-navbar {
    background: var(--navbar-bg) !important;
    height: var(--navbar-height) !important;
    box-shadow: 0 2px 20px rgba(0,0,0,.15) !important;
}

/* Smooth navbar link hover */
.nav-btn {
    transition: var(--transition) !important;
    border-radius: var(--radius-sm) !important;
}

/* ════════════════════════════════════════
   11. SIDEBAR UPGRADES
   ════════════════════════════════════════ */
.sidebar {
    background: var(--primary-dark) !important;
    transition: transform 0.3s ease !important;
}

.sidebar a, .sidebar-item {
    color: rgba(255,255,255,0.85) !important;
    transition: var(--transition) !important;
}

.sidebar a:hover, .sidebar-item:hover {
    background: rgba(255,255,255,0.1) !important;
    color: var(--accent) !important;
    padding-left: 1.4rem !important;
}

/* ════════════════════════════════════════
   12. ANIMATIONS
   ════════════════════════════════════════ */

/* Page load fade-in */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Apply to main containers */
.dashboard-container,
.card,
.table-wrap,
main,
.page-content {
    /* FIX: Removed `form` — animating every form element causes jarring flashes on
       pages with multiple forms, filter bars, and hidden forms. */
    animation: fadeInUp 0.4s ease both;
}

/* Staggered card animation */
.grid-menu .card:nth-child(1) { animation-delay: 0.05s; }
.grid-menu .card:nth-child(2) { animation-delay: 0.10s; }
.grid-menu .card:nth-child(3) { animation-delay: 0.15s; }
.grid-menu .card:nth-child(4) { animation-delay: 0.20s; }
.grid-menu .card:nth-child(5) { animation-delay: 0.25s; }
.grid-menu .card:nth-child(6) { animation-delay: 0.30s; }
.grid-menu .card:nth-child(7) { animation-delay: 0.35s; }
.grid-menu .card:nth-child(8) { animation-delay: 0.40s; }
.grid-menu .card:nth-child(9) { animation-delay: 0.45s; }

/* Table row hover slide */
tbody tr { transition: background 0.15s ease, transform 0.15s ease !important; }

/* ════════════════════════════════════════
   13. DARK MODE TOGGLE BUTTON
   ════════════════════════════════════════ */
.dark-toggle-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: 2px solid var(--accent);
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    line-height: 1;
}

.dark-toggle-btn:hover {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.1) rotate(15deg);
}

/* ════════════════════════════════════════
   14. MOBILE RESPONSIVE UPGRADES
   ════════════════════════════════════════ */
@media (max-width: 768px) {
    /* Smaller fonts on mobile */
    body { font-size: 14px; }

    /* Cards full width */
    .card { border-radius: var(--radius-sm) !important; }

    /* FIX: Tables scroll horizontally instead of hiding columns.
       Hiding columns 5+ was removing critical data (student name, status,
       pass type) from all tables on mobile with no way to see it. */
    .table-responsive, table {
        display: block !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        max-width: 100% !important;
    }

    /* Stack flex containers */
    .navbar-right { gap: 10px !important; }
    .live-clock-box { min-width: 160px !important; font-size: 11px !important; }

    /* Full width buttons */
    .btn, button[type="submit"] {
        width: 100% !important;
        margin-bottom: 8px !important;
    }
}

@media (max-width: 480px) {
    .dashboard-container { padding: 10px !important; margin: 10px auto !important; }
    .grid-menu { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }
    .card { min-height: 120px !important; padding: 15px !important; }
    .card h3 { font-size: 13px !important; }
}

/* ════════════════════════════════════════
   15. DARK MODE — Background & Surface fixes
   ════════════════════════════════════════ */
[data-theme="dark"] body {
    background: var(--bg) !important;
}

[data-theme="dark"] .card {
    background: var(--card) !important;
    border-color: var(--border) !important;
}

[data-theme="dark"] input:not([type="radio"]):not([type="checkbox"]),
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: #0f2318 !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
}

[data-theme="dark"] table {
    background: var(--card) !important;
}

[data-theme="dark"] tbody tr:nth-child(even) {
    background: var(--bg-secondary) !important;
}

[data-theme="dark"] tbody tr:hover {
    background: var(--card-hover) !important;
}

/* White text/bg overrides in dark mode */
[data-theme="dark"] [style*="background: white"],
[data-theme="dark"] [style*="background:#fff"],
[data-theme="dark"] [style*="background: #fff"],
[data-theme="dark"] [style*="background-color: white"],
[data-theme="dark"] [style*="background-color:#fff"] {
    background: var(--card) !important;
    color: var(--text) !important;
}

[data-theme="dark"] [style*="color: #333"],
[data-theme="dark"] [style*="color:#333"],
[data-theme="dark"] [style*="color: #444"],
[data-theme="dark"] [style*="color:#666"],
[data-theme="dark"] [style*="color: black"] {
    color: var(--text) !important;
}

/* ════════════════════════════════════════
   16. PRINT — Dark mode OFF for printing
   ════════════════════════════════════════ */
@media print {
    :root, [data-theme="dark"] {
        --bg: #fff !important;
        --card: #fff !important;
        --text: #000 !important;
        --border: #ccc !important;
    }
    .dark-toggle-btn { display: none !important; }
    body { background: #fff !important; color: #000 !important; }
}