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

:root {
    --primary: #C41230;
    --primary-dark: #9A0D24;
    --primary-light: #FEECEF;
    --accent: #F5A623;
    --sidebar-w: 240px;
    --white: #ffffff;
    --off-white: #F8F7F5;
    --light-gray: #F0EFED;
    --mid-gray: #C8C7C4;
    --dark-gray: #6B6A68;
    --charcoal: #2C2B29;
    --success: #2E7D32;
    --success-light: #E8F5E9;
    --warning: #E65100;
    --warning-light: #FFF3E0;
    --danger: #C41230;
    --danger-light: #FEECEF;
    --info: #1565C0;
    --info-light: #E3F2FD;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 10px;
    --radius-lg: 14px;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--off-white);
    color: var(--charcoal);
    font-size: 14px;
    line-height: 1.6;
}

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--charcoal);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}

.logo-sub {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.nav-item.active {
    background: var(--primary);
    color: #fff;
}

.nav-icon { font-size: 16px; }

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 8px 0;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.admin-info {
    margin-bottom: 10px;
}

.admin-name {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
}

.admin-role {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
}

.logout-btn {
    display: block;
    text-align: center;
    padding: 8px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.15s;
}

.logout-btn:hover {
    background: rgba(196,18,48,0.3);
    border-color: var(--primary);
    color: #fff;
}

/* ── Main ────────────────────────────────────────────────────────────────────── */
.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--white);
    border-bottom: 1px solid #E8E6E3;
    padding: 16px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--charcoal);
}

.topbar-date {
    font-size: 13px;
    color: var(--dark-gray);
}

.content {
    padding: 28px;
    flex: 1;
}

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid #E8E6E3;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid #F0EFED;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--charcoal);
}

.card-body {
    padding: 20px;
}

/* ── Stats grid ──────────────────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid #E8E6E3;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-label {
    font-size: 12px;
    color: var(--dark-gray);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--charcoal);
    line-height: 1;
}

.stat-sub {
    font-size: 11px;
    color: var(--mid-gray);
    margin-top: 2px;
}

/* ── Tables ──────────────────────────────────────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    background: var(--off-white);
    padding: 10px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    color: var(--dark-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid #E8E6E3;
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid #F5F4F2;
    transition: background 0.1s;
}

tbody tr:hover { background: #FAFAF8; }
tbody tr:last-child { border-bottom: none; }

td {
    padding: 12px 16px;
    font-size: 13.5px;
    color: var(--charcoal);
    vertical-align: middle;
}

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger  { background: var(--danger-light);  color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-info    { background: var(--info-light);    color: var(--info); }
.badge-gray    { background: var(--light-gray);    color: var(--dark-gray); }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #1B5E20; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--primary-dark); }

.btn-outline {
    background: transparent;
    border: 1.5px solid #E0DFDC;
    color: var(--dark-gray);
}
.btn-outline:hover { border-color: var(--mid-gray); background: var(--light-gray); }

.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* ── Forms ───────────────────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

input[type=text], input[type=password], input[type=email],
input[type=number], input[type=date], select, textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #E0DFDC;
    border-radius: var(--radius);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--charcoal);
    background: var(--white);
    transition: border-color 0.15s;
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196,18,48,0.08);
}

textarea { resize: vertical; min-height: 80px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 16px;
    border-top: 1px solid #F0EFED;
    margin-top: 20px;
}

/* ── Search & Filters ────────────────────────────────────────────────────────── */
.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-box input {
    padding-left: 36px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--mid-gray);
    font-size: 15px;
}

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13.5px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success { background: var(--success-light); color: var(--success); border-left: 4px solid var(--success); }
.alert-danger  { background: var(--danger-light);  color: var(--danger);  border-left: 4px solid var(--danger); }
.alert-warning { background: var(--warning-light); color: var(--warning); border-left: 4px solid var(--warning); }
.alert-info    { background: var(--info-light);    color: var(--info);    border-left: 4px solid var(--info); }

/* ── Modal ───────────────────────────────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    margin: 20px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--dark-gray);
    line-height: 1;
    padding: 4px;
}

.modal-close:hover { color: var(--charcoal); }

/* ── Pagination ──────────────────────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 16px 20px;
    border-top: 1px solid #F0EFED;
    justify-content: flex-end;
}

.page-btn {
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid #E0DFDC;
    background: var(--white);
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
    color: var(--charcoal);
    transition: all 0.1s;
}

.page-btn:hover { background: var(--light-gray); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Avatar ──────────────────────────────────────────────────────────────────── */
.avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.volunteer-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── Login page ──────────────────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: var(--charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-md);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.login-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.login-sub {
    font-size: 13px;
    color: var(--dark-gray);
}

/* ── Misc ────────────────────────────────────────────────────────────────────── */
.text-muted { color: var(--dark-gray); }
.text-sm { font-size: 12px; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--dark-gray);
}

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.empty-state-text {
    font-size: 15px;
    font-weight: 500;
}

.empty-state-sub {
    font-size: 13px;
    margin-top: 4px;
    color: var(--mid-gray);
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { width: 100%; position: relative; height: auto; }
    .main { margin-left: 0; }
    .layout { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}