/* ==========================================================
   app.css — Theme dùng chung cho toàn bộ trang thành viên
   (đồng bộ với index.html: nền tối, xanh lá + xanh dương)
   ========================================================== */

:root {
    --bg: #0b1120;
    --bg-soft: #111a2e;
    --card: #141f38;
    --border: #22304d;
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --accent: #38bdf8;
    --danger: #ef4444;
    --text: #e6ebf5;
    --text-dim: #93a1bd;
}

* { box-sizing: border-box; }

body.app-body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

body.app-body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 10%, rgba(34,197,94,0.12), transparent 40%),
        radial-gradient(circle at 85% 20%, rgba(56,189,248,0.12), transparent 40%);
    pointer-events: none;
    z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- NAVBAR (dùng chung) ---------- */
.app-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 17, 32, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text);
}

.nav-logo:hover { text-decoration: none; }

.nav-logo .icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #05170c;
    font-weight: 800;
}

.nav-logo span {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-menu a {
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-menu a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.05);
    text-decoration: none;
}

.nav-menu a.active {
    color: var(--primary);
    background: rgba(34,197,94,0.12);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    margin: 0 4px;
}

.nav-user .uname { color: var(--text); font-weight: 600; }
.nav-user .ubal { color: var(--primary); font-weight: 700; }

.nav-admin {
    background: rgba(56,189,248,0.12);
    color: var(--accent) !important;
    border: 1px solid rgba(56,189,248,0.3);
    margin-right: 4px;
}

.nav-admin:hover {
    background: rgba(56,189,248,0.22) !important;
    text-decoration: none;
}

.nav-admin.active {
    background: rgba(56,189,248,0.28);
}

.nav-logout {
    background: rgba(239,68,68,0.12);
    color: #fca5a5 !important;
    border: 1px solid rgba(239,68,68,0.3);
}

.nav-logout:hover {
    background: rgba(239,68,68,0.2) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.2rem;
    border-radius: 8px;
    padding: 6px 12px;
    cursor: pointer;
}

@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding-top: 10px;
        border-top: 1px solid var(--border);
    }
    .nav-menu.open { display: flex; }
    .nav-user { margin: 6px 0; justify-content: center; }
}

/* ---------- LAYOUT ---------- */
.page-wrap {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 36px 20px 60px;
}

.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 1.7rem;
    font-weight: 800;
    margin: 0 0 6px;
}

.page-header p {
    color: var(--text-dim);
    margin: 0;
    font-size: 0.95rem;
}

/* ---------- CARD ---------- */
.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 26px;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.panel h2 {
    font-size: 1.2rem;
    margin: 0 0 18px;
    font-weight: 700;
}

/* ---------- STAT CARDS (thongke.php) ---------- */
.report-header {
    background: linear-gradient(90deg, rgba(34,197,94,0.18), rgba(56,189,248,0.15));
    border: 1px solid rgba(34,197,94,0.3);
    color: var(--text);
    padding: 12px 18px;
    text-align: center;
    border-radius: 10px;
    font-weight: 600;
    margin-bottom: 18px;
}

.card-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

.stat-card {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
    text-align: center;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(34,197,94,0.4);
}

.stat-card .stat-title {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 8px;
    font-weight: 600;
}

.stat-card .stat-number {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-card .stat-date {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--text-dim);
}

.stat-card .stat-icon {
    font-size: 1.4rem;
    margin-top: 10px;
}

.stat-card.full { grid-column: 1 / -1; }

/* ---------- FORMS ---------- */
label {
    display: block;
    margin: 14px 0 6px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.9rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--text);
    background: var(--bg-soft);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
}

input::placeholder, textarea::placeholder { color: var(--text-dim); }

button[type="submit"], .btn-app {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #05170c;
    padding: 13px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.98rem;
    font-weight: 700;
    margin-top: 18px;
    transition: box-shadow 0.2s, transform 0.15s;
    box-shadow: 0 8px 20px rgba(34,197,94,0.3);
}

button[type="submit"]:hover, .btn-app:hover {
    box-shadow: 0 10px 26px rgba(34,197,94,0.45);
}

button[type="submit"]:active, .btn-app:active { transform: translateY(1px); }

/* Cho phép nút nhỏ (.btn-sm) giữ đúng style dù có type="submit" */
button.btn-sm[type="submit"] {
    width: auto;
    display: inline-flex;
    padding: 7px 12px;
    margin-top: 0;
    font-size: 0.82em;
    font-weight: 600;
    box-shadow: none;
    border: 1px solid rgba(56,189,248,0.3);
    background: rgba(56,189,248,0.15);
    color: var(--accent);
}

button.btn-sm.danger[type="submit"] {
    border-color: rgba(239,68,68,0.3);
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
}

button.btn-sm[type="submit"]:hover {
    box-shadow: none;
}

.success, .error {
    font-size: 0.92rem;
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    display: block;
}

.success {
    background: rgba(34,197,94,0.12);
    border: 1px solid rgba(34,197,94,0.35);
    color: #86efac;
}

.error {
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.35);
    color: #fca5a5;
}

/* ---------- TABLE ---------- */
.table-container {
    overflow-x: auto;
    border-radius: 14px;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-soft);
    font-size: 0.9em;
    min-width: 640px;
}

th, td {
    padding: 14px;
    border-bottom: 1px solid var(--border);
    text-align: center;
    color: var(--text);
}

th {
    background: rgba(34,197,94,0.1);
    color: var(--primary);
    text-transform: uppercase;
    font-size: 0.78em;
    letter-spacing: 0.03em;
}

tr:hover td { background: rgba(255,255,255,0.03); }

.actions-cell {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.btn-sm {
    background: rgba(56,189,248,0.15);
    color: var(--accent);
    border: 1px solid rgba(56,189,248,0.3);
    padding: 7px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82em;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-sm:hover { background: rgba(56,189,248,0.28); text-decoration: none; }

.btn-sm.copy { background: rgba(34,197,94,0.15); color: var(--primary); border-color: rgba(34,197,94,0.3); }
.btn-sm.copy:hover { background: rgba(34,197,94,0.28); }

.btn-sm.danger { background: rgba(239,68,68,0.15); color: #fca5a5; border-color: rgba(239,68,68,0.3); }
.btn-sm.danger:hover { background: rgba(239,68,68,0.28); }

/* ---------- LOGIN / AUTH ---------- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 20px;
}

.auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 40px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.auth-card .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 1.2rem;
    font-weight: 800;
}

.auth-card .logo .icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #05170c;
    font-weight: 800;
}

.auth-card .logo span {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-card h2 {
    text-align: center;
    margin: 0 0 24px;
    font-size: 1.4rem;
    color: var(--text);
}

.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.88rem;
    color: var(--text-dim);
}

@media (max-width: 480px) {
    .auth-card { padding: 28px 22px; }
    .page-wrap { padding: 24px 14px 40px; }
}

/* ==========================================================
   ADMIN LAYOUT (sidebar + content)
   ========================================================== */
.admin-layout {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    max-width: 1300px;
    margin: 0 auto;
    min-height: calc(100vh - 66px);
}

.admin-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--card);
    border-right: 1px solid var(--border);
    min-height: calc(100vh - 66px);
    padding: 24px 0;
    position: sticky;
    top: 66px;
}

.admin-sidebar .admin-sidebar-title {
    color: var(--text-dim);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 22px 14px;
}

.admin-sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    color: var(--text-dim);
    font-size: 0.95rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.admin-sidebar a:hover {
    background: rgba(255,255,255,0.04);
    color: var(--text);
    text-decoration: none;
}

.admin-sidebar a.active {
    background: rgba(56,189,248,0.1);
    color: var(--accent);
    border-left-color: var(--accent);
}

.admin-toggle {
    display: none;
    width: calc(100% - 40px);
    margin: 16px 20px 0;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px;
    border-radius: 10px;
    font-size: 0.95rem;
    cursor: pointer;
}

.admin-content {
    flex: 1;
    min-width: 0;
    padding: 32px 28px 60px;
}

.admin-content .page-header { margin-bottom: 24px; }

@media (max-width: 900px) {
    .admin-layout { flex-direction: column; }
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -260px;
        height: 100vh;
        z-index: 200;
        box-shadow: 20px 0 40px rgba(0,0,0,0.4);
        transition: left 0.3s ease;
        padding-top: 70px;
    }
    .admin-sidebar.open { left: 0; }
    .admin-toggle { display: block; }
    .admin-content { padding: 20px 16px 50px; }
}

/* Admin stat cards */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
    margin-bottom: 26px;
}

.admin-stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.admin-stat:hover {
    transform: translateY(-4px);
    border-color: rgba(56,189,248,0.4);
}

.admin-stat .label {
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.admin-stat .value {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--accent);
}

.admin-stat .sub {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Checkbox row (chiendich.php) */
.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
}

.checkbox-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.checkbox-row label {
    margin: 0;
    color: var(--text);
}