@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg-body: #f0f2f5;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f7f8fa;
    --bg-input: #f5f6f8;
    --bg-input-focus: #ffffff;
    --bg-nav: #ffffff;
    --bg-subtle: #eef1f6;
    --border: #e2e6ed;
    --border-light: #eef1f6;
    --border-focus: #4f7cff;
    --text-dark: #1a1d26;
    --text-body: #3d4356;
    --text-muted: #7c8299;
    --text-faint: #a3a9bf;
    --blue: #4f7cff;
    --blue-light: #eef2ff;
    --blue-hover: #3d65e6;
    --blue-glow: rgba(79, 124, 255, 0.08);
    --green: #22c55e;
    --green-light: #ecfdf5;
    --green-dark: #16a34a;
    --red: #ef4444;
    --red-light: #fef2f2;
    --red-dark: #dc2626;
    --orange: #f59e0b;
    --orange-light: #fffbeb;
    --purple: #8b5cf6;
    --purple-light: #f5f3ff;
    --cyan: #06b6d4;
    --cyan-light: #ecfeff;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-body);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--blue-hover); }

/* ═══ TOPBAR ═══ */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 28px; height: 60px;
    background: var(--bg-nav); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-xs);
}
.topbar .logo {
    font-family: var(--font-mono); font-weight: 700; font-size: 1.1rem;
    color: var(--blue); letter-spacing: 1.5px; text-decoration: none;
}
.topbar .logo span {
    color: var(--text-faint); font-weight: 400; font-size: 0.72rem;
    margin-left: 10px; letter-spacing: 0; font-family: var(--font-sans);
}
.topbar-nav { display: flex; gap: 2px; align-items: center; }
.topbar-nav a {
    color: var(--text-muted); font-size: 0.84rem; font-weight: 600;
    padding: 8px 14px; border-radius: var(--radius-sm); transition: all 0.15s; text-decoration: none;
}
.topbar-nav a:hover { color: var(--text-dark); background: var(--bg-subtle); }
.topbar-nav a.active { color: var(--blue); background: var(--blue-light); }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.avatar-sm {
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, #4f7cff, #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.75rem; color: #fff;
    box-shadow: 0 2px 6px rgba(79,124,255,0.3);
}

/* ═══ LAYOUT ═══ */
.page { max-width: 1300px; margin: 0 auto; padding: 28px 24px; }
.page-narrow { max-width: 460px; margin: 0 auto; padding: 60px 20px; }
.page-mid { max-width: 680px; margin: 0 auto; padding: 28px 20px; }

/* ═══ CARDS ═══ */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
}
.card-header { margin-bottom: 24px; }
.card-header h2 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); }
.card-header p { color: var(--text-muted); font-size: 0.88rem; margin-top: 4px; }

/* ═══ BRAND ═══ */
.brand { text-align: center; margin-bottom: 32px; }
.brand h1 {
    font-family: var(--font-mono); font-size: 2rem; font-weight: 800;
    color: var(--blue); letter-spacing: 4px;
}
.brand p { color: var(--text-muted); font-size: 0.88rem; margin-top: 6px; font-weight: 500; }

/* ═══ FORMS ═══ */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 0.78rem; font-weight: 700;
    color: var(--text-muted); margin-bottom: 7px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px 14px;
    background: var(--bg-input); border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-dark);
    font-family: var(--font-sans); font-size: 0.92rem; font-weight: 500;
    transition: all 0.2s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    background: var(--bg-input-focus); border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--blue-glow);
}
.form-group input::placeholder { color: var(--text-faint); font-weight: 400; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 20px; border: none; border-radius: var(--radius-sm);
    font-family: var(--font-sans); font-size: 0.86rem; font-weight: 700;
    cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn-primary {
    background: var(--blue); color: #fff;
    box-shadow: 0 2px 6px rgba(79,124,255,0.25);
}
.btn-primary:hover {
    background: var(--blue-hover);
    box-shadow: 0 4px 12px rgba(79,124,255,0.3); transform: translateY(-1px);
}
.btn-full { width: 100%; padding: 13px; font-size: 0.95rem; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-xs { padding: 5px 10px; font-size: 0.75rem; }
.btn-outline {
    background: transparent; border: 1.5px solid var(--border); color: var(--text-muted);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.btn-red { background: var(--red); color: #fff; box-shadow: 0 2px 6px rgba(239,68,68,0.2); }
.btn-red:hover { background: var(--red-dark); }
.btn-green { background: var(--green); color: #fff; box-shadow: 0 2px 6px rgba(34,197,94,0.2); }
.btn-green:hover { background: var(--green-dark); }
.btn-orange { background: var(--orange); color: #fff; box-shadow: 0 2px 6px rgba(245,158,11,0.2); }
.btn-orange:hover { opacity: 0.9; }

/* ═══ ALERTS ═══ */
.alert {
    padding: 13px 18px; border-radius: var(--radius-sm);
    margin-bottom: 18px; font-size: 0.88rem; font-weight: 600; border: 1px solid;
}
.alert-ok { background: var(--green-light); border-color: rgba(34,197,94,0.25); color: var(--green-dark); }
.alert-err { background: var(--red-light); border-color: rgba(239,68,68,0.25); color: var(--red-dark); }
.alert-warn { background: var(--orange-light); border-color: rgba(245,158,11,0.25); color: #b45309; }

/* ═══ STATS ═══ */
.stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px; margin-bottom: 24px;
}
.stat {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
    position: relative; overflow: hidden;
}
.stat::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 3px; border-radius: 12px 12px 0 0;
}
.stat:nth-child(1)::before { background: var(--blue); }
.stat:nth-child(2)::before { background: var(--green); }
.stat:nth-child(3)::before { background: var(--red); }
.stat:nth-child(4)::before { background: var(--purple); }
.stat-label {
    font-size: 0.73rem; font-weight: 700; color: var(--text-faint);
    text-transform: uppercase; letter-spacing: 0.8px;
}
.stat-val { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; margin-top: 6px; color: var(--blue); }
.stat-val.green { color: var(--green); }
.stat-val.red { color: var(--red); }
.stat-val.orange { color: var(--orange); }
.stat-val.purple { color: var(--purple); }

/* ═══ TOOLBAR ═══ */
.toolbar {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 20px; box-shadow: var(--shadow-xs);
}
.toolbar-left, .toolbar-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.search-input {
    padding: 9px 14px; background: var(--bg-input); border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-dark);
    font-family: var(--font-sans); font-size: 0.88rem; font-weight: 500;
    outline: none; min-width: 240px; transition: all 0.2s;
}
.search-input:focus { border-color: var(--border-focus); background: var(--bg-input-focus); box-shadow: 0 0 0 3px var(--blue-glow); }
.search-input::placeholder { color: var(--text-faint); }
.filter-select {
    padding: 9px 12px; background: var(--bg-input); border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-body);
    font-family: var(--font-sans); font-size: 0.84rem; font-weight: 500; cursor: pointer;
}

/* ═══ TABLE ═══ */
.table-wrap {
    overflow-x: auto; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); margin-bottom: 20px;
}
table { width: 100%; border-collapse: collapse; }
table thead { background: var(--bg-subtle); }
table th {
    padding: 13px 16px; text-align: left; font-size: 0.72rem; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.7px;
    border-bottom: 1.5px solid var(--border);
}
table td {
    padding: 13px 16px; font-size: 0.88rem; color: var(--text-body);
    border-bottom: 1px solid var(--border-light);
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--bg-hover); }
.mono { font-family: var(--font-mono); font-size: 0.82rem; }
.bold { font-weight: 700; color: var(--text-dark); }
.code { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-dark); }
.muted { color: var(--text-muted); font-size: 0.82rem; }

/* ═══ BADGES ═══ */
.badge {
    display: inline-block; padding: 4px 10px; border-radius: 20px;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.4px;
}
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-green { background: var(--green-light); color: var(--green-dark); }
.badge-red { background: var(--red-light); color: var(--red-dark); }
.badge-orange { background: var(--orange-light); color: #b45309; }
.badge-purple { background: var(--purple-light); color: var(--purple); }
.mission-KHULNA { background: #ecfdf5; color: #059669; }
.mission-CHITTAGONG { background: #eef2ff; color: #4f46e5; }
.mission-SYLHET { background: #f5f3ff; color: #7c3aed; }
.mission-DHAKA { background: #fffbeb; color: #d97706; }
.mission-RAJSHAHI { background: #ecfeff; color: #0891b2; }

/* ═══ LOCK BANNER ═══ */
.lock-banner {
    background: linear-gradient(135deg, #fef2f2, #fff7ed);
    border: 1.5px solid rgba(239,68,68,0.2); border-radius: var(--radius);
    padding: 16px 22px; display: flex; align-items: center;
    justify-content: space-between; margin-bottom: 20px; gap: 14px;
}
.lock-banner .lock-text { font-size: 0.92rem; color: var(--red); font-weight: 700; }
.lock-banner .lock-sub { color: var(--text-muted); font-size: 0.82rem; margin-top: 2px; }

/* ═══ FILE LIST ═══ */
.file-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; background: var(--bg-subtle);
    border: 1.5px solid var(--border-light); border-radius: var(--radius-sm);
    margin-bottom: 10px; transition: all 0.15s;
}
.file-item:hover { border-color: var(--blue); background: var(--blue-light); }
.file-info { display: flex; align-items: center; gap: 12px; }
.file-icon { font-size: 1.3rem; }
.file-name { font-size: 0.9rem; color: var(--text-dark); font-weight: 600; }
.file-meta { font-size: 0.76rem; color: var(--text-muted); margin-top: 2px; }
.file-actions { display: flex; gap: 6px; }

/* ═══ DETAIL GRID ═══ */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.detail-item {
    padding: 16px; background: var(--bg-subtle);
    border-radius: var(--radius-sm); border: 1px solid var(--border-light);
}
.detail-label {
    font-size: 0.72rem; font-weight: 700; color: var(--text-faint);
    text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 5px;
}
.detail-value { font-size: 0.95rem; color: var(--text-dark); font-weight: 600; word-break: break-all; }

/* ═══ PROFILE ═══ */
.profile-header {
    display: flex; align-items: center; gap: 18px;
    margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1.5px solid var(--border-light);
}
.profile-avatar {
    width: 56px; height: 56px; border-radius: 14px;
    background: linear-gradient(135deg, #4f7cff, #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; font-weight: 800; color: #fff; flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(79,124,255,0.3);
}
.profile-info h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-dark); }
.profile-info p { color: var(--text-muted); font-size: 0.85rem; margin-top: 2px; }

/* ═══ UTILS ═══ */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.gap-8 { display: flex; gap: 8px; }
.gap-6 { display: flex; gap: 6px; }
.link { color: var(--blue); text-decoration: none; font-weight: 600; }

.empty { text-align: center; padding: 50px 20px; color: var(--text-faint); }
.empty-icon { font-size: 2.8rem; margin-bottom: 12px; }
.empty p { font-size: 0.92rem; color: var(--text-muted); }

/* ═══ MOBILE NAV ═══ */
.mobile-nav { display: none; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 10px 16px; }
.mobile-nav.show { display: flex; flex-wrap: wrap; gap: 6px; }
.mobile-nav a { color: var(--text-muted); font-size: 0.84rem; font-weight: 600; padding: 7px 14px; border-radius: var(--radius-sm); text-decoration: none; }
.mobile-nav a.active { background: var(--blue-light); color: var(--blue); }
.hamburger { display: none; background: none; border: none; color: var(--text-muted); font-size: 1.3rem; cursor: pointer; padding: 4px; }
@media (max-width: 768px) { .hamburger { display: block; } }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
    .topbar { padding: 0 14px; }
    .topbar-nav { display: none; }
    .page { padding: 16px 14px; }
    .page-narrow { padding: 30px 16px; }
    .stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .form-row { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; padding: 14px; }
    .toolbar-left, .toolbar-right { justify-content: stretch; }
    .search-input { min-width: 100%; }
    .detail-grid { grid-template-columns: 1fr; }
    table th, table td { padding: 10px 12px; font-size: 0.8rem; }
    .card { padding: 20px 18px; }
    .lock-banner { flex-direction: column; align-items: flex-start; }
    .file-item { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.card, .stat, .table-wrap { animation: fadeUp 0.25s ease; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ═══ EYE TOGGLE BUTTON ═══ */
.btn-eye {
    background: none; border: none; cursor: pointer; font-size: 0.75rem;
    padding: 2px 4px; margin-left: 4px; opacity: 0.5; transition: opacity 0.15s;
}
.btn-eye:hover { opacity: 1; }
.pass-hidden { color: var(--text-faint); font-size: 0.82rem; letter-spacing: 2px; }