/* admin/assets/admin.css */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --primary:      #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light:#eff6ff;
    --secondary:    #7c3aed;
    --success:      #16a34a;
    --danger:       #dc2626;
    --warning:      #d97706;
    --info:         #0891b2;
    --dark:         #1e293b;
    --sidebar-bg:   #0f172a;
    --sidebar-w:    260px;
    --topbar-h:     64px;
    --body-bg:      #f1f5f9;
    --card-bg:      #ffffff;
    --border:       #e2e8f0;
    --text:         #1e293b;
    --text-muted:   #64748b;
    --radius:       12px;
    --shadow:       0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
    --shadow-lg:    0 10px 40px rgba(0,0,0,.12);
}

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

body {
    font-family: 'Nunito', sans-serif;
    background: var(--body-bg);
    color: var(--text);
    font-size: 14px;
    display: flex;
    min-height: 100vh;
}

/* ========= SIDEBAR ========= */
.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    min-height: 100vh;
    position: fixed;
    left: 0; top: 0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform .3s ease;
    overflow-y: auto;
    scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px 18px;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

.sidebar-logo {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.brand-name {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: #fff;
    font-size: 13px;
    line-height: 1.3;
}
.brand-sub {
    display: block;
    color: rgba(255,255,255,.4);
    font-size: 11px;
}

.sidebar-toggle {
    margin-left: auto;
    background: none; border: none;
    color: rgba(255,255,255,.4);
    cursor: pointer; font-size: 16px;
    display: none;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    flex-shrink: 0;
}

.user-name {
    display: block;
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
}
.user-role {
    display: block;
    color: rgba(255,255,255,.4);
    font-size: 11px;
}

.sidebar-menu {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}

.menu-label {
    padding: 14px 18px 6px;
    color: rgba(255,255,255,.25);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    color: rgba(255,255,255,.6);
    text-decoration: none;
    border-radius: 8px;
    margin: 2px 10px;
    font-weight: 600;
    font-size: 13.5px;
    transition: all .2s;
}
.sidebar-menu li a:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
}
.sidebar-menu li.active > a {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37,99,235,.4);
}
.sidebar-menu li a i {
    width: 18px;
    text-align: center;
    font-size: 15px;
}

/* ========= MAIN WRAPPER ========= */
.main-wrapper {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin .3s ease;
}

/* ========= TOPBAR ========= */
.topbar {
    height: var(--topbar-h);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky; top: 0; z-index: 99;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
}

.topbar-left h2 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 17px;
    color: var(--dark);
}
.topbar-left .breadcrumb {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 1px;
}
.topbar-left .breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-btn {
    width: 38px; height: 38px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--body-bg);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    text-decoration: none;
    transition: all .2s;
    font-size: 14px;
}
.topbar-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

/* ========= CONTENT ========= */
.content {
    padding: 28px;
    flex: 1;
}

/* ========= CARDS ========= */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}

.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fafbfc;
}

.card-header h3 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--primary);
}

.card-body {
    padding: 22px;
}

/* ========= STATS CARDS ========= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform .2s, box-shadow .2s;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.stat-icon.blue   { background: #eff6ff; color: var(--primary); }
.stat-icon.purple { background: #f5f3ff; color: var(--secondary); }
.stat-icon.green  { background: #f0fdf4; color: var(--success); }
.stat-icon.orange { background: #fffbeb; color: var(--warning); }
.stat-icon.red    { background: #fef2f2; color: var(--danger); }
.stat-icon.cyan   { background: #ecfeff; color: var(--info); }

.stat-info .stat-num {
    font-family: 'Poppins', sans-serif;
    font-size: 26px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}
.stat-info .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 4px;
}

/* ========= BUTTONS ========= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 13.5px;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: all .2s;
    white-space: nowrap;
}
.btn-primary   { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 12px rgba(37,99,235,.35); }
.btn-success   { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover  { background: #b91c1c; }
.btn-warning   { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; }
.btn-secondary { background: var(--body-bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-info      { background: var(--info); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-xs { padding: 4px 9px; font-size: 12px; }

/* ========= FORMS ========= */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block;
    font-weight: 700;
    font-size: 13px;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 9px 13px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    color: var(--text);
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 18px;
}

/* ========= TABLE ========= */
.table-wrap { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
.table th {
    background: #f8fafc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table tbody tr:hover { background: #fafbfc; }
.table tbody tr:last-child td { border-bottom: none; }

/* ========= BADGES ========= */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
}
.badge-success { background: #dcfce7; color: var(--success); }
.badge-danger  { background: #fee2e2; color: var(--danger); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-info    { background: #e0f2fe; color: var(--info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-secondary{ background: #f1f5f9; color: var(--text-muted); }

/* ========= ALERT ========= */
.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 13.5px;
    position: relative;
}
.alert-success { background: #dcfce7; color: #166534; border-left: 4px solid var(--success); }
.alert-danger  { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }
.alert-warning { background: #fef3c7; color: #92400e; border-left: 4px solid var(--warning); }
.alert-info    { background: #e0f2fe; color: #075985; border-left: 4px solid var(--info); }
.alert-close {
    margin-left: auto;
    background: none; border: none;
    font-size: 18px; cursor: pointer;
    opacity: .5;
}
.alert-close:hover { opacity: 1; }

/* ========= PAGINATION ========= */
.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    margin-top: 22px;
    flex-wrap: wrap;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 13px;
    text-decoration: none;
    border: 1px solid var(--border);
    color: var(--text);
    transition: all .2s;
}
.pagination a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination span.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination span.disabled { opacity: .4; cursor: not-allowed; }

/* ========= WEEK GRID (Plan) ========= */
.week-grid {
    display: grid;
    gap: 0;
}
.week-row {
    display: grid;
    grid-template-columns: 50px 60px 90px 70px 1fr 1fr 1fr 130px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    align-items: stretch;
    transition: background .15s;
}
.week-row:hover { background: #f8fafc; }
.week-row.header {
    background: #f1f5f9;
    font-weight: 700;
    font-size: 11.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    position: sticky; top: var(--topbar-h); z-index: 10;
}
.week-row.tip-sinav { background: #fff7f7; }
.week-row.tip-tatil { background: #fffbeb; }
.week-row.tip-aratil { background: #f0f9ff; }
.week-cell {
    padding: 11px 12px;
    border-right: 1px solid var(--border);
    font-size: 13px;
}
.week-cell:last-child { border-right: none; }
.week-cell.center { text-align: center; }
.week-no {
    font-weight: 800;
    font-size: 16px;
    color: var(--primary);
    text-align: center;
    display: flex; align-items: center; justify-content: center;
}
.week-current .week-no {
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    margin: 4px;
}

/* ========= MATERYAL CARDS ========= */
.materyal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}
.materyal-card {
    background: #fafbfc;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: all .2s;
}
.materyal-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: 0 4px 12px rgba(37,99,235,.08);
}
.materyal-icon {
    font-size: 26px;
    flex-shrink: 0;
    margin-top: 2px;
}
.materyal-info .mat-title {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--dark);
    margin-bottom: 3px;
}
.materyal-info .mat-meta {
    font-size: 11.5px;
    color: var(--text-muted);
}

/* ========= RESPONSIVE ========= */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: flex; }
    .main-wrapper { margin-left: 0; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .week-row { grid-template-columns: 1fr; }
    .week-row.header { display: none; }
    .content { padding: 16px; }
}

/* ========= MISC ========= */
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.fw-bold { font-weight: 700; }
.flex-wrap { flex-wrap: wrap; }
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}
.empty-state i { font-size: 48px; opacity: .3; margin-bottom: 14px; display: block; }
.empty-state p { font-size: 14px; }

/* login page */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-box {
    background: #fff;
    border-radius: 20px;
    padding: 44px 42px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.login-logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-logo .icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 28px;
    color: #fff;
    margin-bottom: 12px;
    box-shadow: 0 8px 24px rgba(37,99,235,.35);
}
.login-logo h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
}
.login-logo p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}