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

:root {
    --blue-50:  #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;
    --navy:     #0f172a;
    --navy-2:   #1e293b;
    --navy-3:   #334155;
    --slate:    #64748b;
    --slate-2:  #94a3b8;
    --slate-3:  #cbd5e1;
    --border:   #e2e8f0;
    --bg:       #f8fafc;
    --white:    #ffffff;
    --success:  #16a34a;
    --success-bg:#dcfce7;
    --danger:   #dc2626;
    --danger-bg:#fee2e2;
    --warning:  #d97706;
    --warning-bg:#fef3c7;
    --info:     #0284c7;
    --info-bg:  #e0f2fe;
    --radius:   10px;
    --radius-lg:14px;
    --shadow:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:0 4px 16px rgba(0,0,0,.08);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    background: var(--bg);
    color: var(--navy);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
    width: 240px;
    background: var(--navy);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.sidebar-logo {
    padding: 22px 20px 18px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-logo .brand {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.2px;
}

.sidebar-logo .brand span {
    color: var(--blue-500);
}

.sidebar-logo .panel-label {
    font-size: 11px;
    color: var(--slate-2);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: .6px;
}

.sidebar-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }

.nav-section { margin-bottom: 4px; }
.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--slate-2);
    text-transform: uppercase;
    letter-spacing: .8px;
    padding: 10px 10px 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 8px;
    color: var(--slate-2);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: background .12s, color .12s;
    margin-bottom: 1px;
}

.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: .7; }
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item:hover svg { opacity: 1; }
.nav-item.active { background: var(--blue-600); color: #fff; }
.nav-item.active svg { opacity: 1; }

.sidebar-footer {
    padding: 14px 16px;
    border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.avatar {
    width: 32px; height: 32px;
    background: var(--blue-700);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; color: #fff;
    flex-shrink: 0;
}

.sidebar-user-info .name { font-size: 13px; font-weight: 600; color: #fff; }
.sidebar-user-info .role { font-size: 11px; color: var(--slate-2); }

.btn-logout {
    display: block;
    width: 100%;
    text-align: center;
    padding: 7px;
    border-radius: 7px;
    background: rgba(255,255,255,.06);
    color: var(--slate-2);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: background .12s, color .12s;
}
.btn-logout:hover { background: rgba(220,38,38,.2); color: #fca5a5; }

/* ── Main Content ───────────────────────────────────────────── */
.main {
    margin-left: 240px;
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title { font-size: 15px; font-weight: 600; color: var(--navy); }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.content { padding: 28px 32px; flex: 1; }

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.2;
}

.page-header .sub {
    font-size: 13px;
    color: var(--slate);
    margin-top: 3px;
}

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

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
}

.card-body { padding: 20px; }

/* ── Stats Grid ──────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card .label {
    font-size: 12px;
    font-weight: 600;
    color: var(--slate);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--navy);
    line-height: 1;
}

.stat-card .change {
    font-size: 12px;
    color: var(--slate);
    margin-top: 4px;
}

.stat-card.blue  { border-top: 3px solid var(--blue-500); }
.stat-card.green { border-top: 3px solid var(--success); }
.stat-card.amber { border-top: 3px solid var(--warning); }
.stat-card.red   { border-top: 3px solid var(--danger); }

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

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

th {
    padding: 10px 16px;
    text-align: left;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--slate);
    text-transform: uppercase;
    letter-spacing: .5px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 13px 16px;
    font-size: 13.5px;
    color: var(--navy-2);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--blue-50); }

.td-mono { font-family: 'DM Mono', monospace; font-size: 12.5px; }
.td-muted { color: var(--slate); font-size: 12.5px; }
.td-actions { display: flex; gap: 6px; align-items: center; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success   { background: var(--success-bg); color: var(--success); }
.badge-danger    { background: var(--danger-bg);  color: var(--danger);  }
.badge-warning   { background: var(--warning-bg); color: var(--warning); }
.badge-info      { background: var(--info-bg);    color: var(--info);    }
.badge-secondary { background: var(--bg);         color: var(--slate);   border: 1px solid var(--border); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    transition: opacity .12s, box-shadow .12s;
    white-space: nowrap;
    font-family: inherit;
}

.btn:hover { opacity: .87; }
.btn svg { width: 15px; height: 15px; }

.btn-primary   { background: var(--blue-600); color: #fff; border-color: var(--blue-700); }
.btn-secondary { background: var(--white);    color: var(--navy-2); border-color: var(--border); }
.btn-success   { background: var(--success);  color: #fff; }
.btn-danger    { background: var(--danger);   color: #fff; }
.btn-warning   { background: var(--warning);  color: #fff; }
.btn-ghost     { background: transparent;     color: var(--slate); border-color: var(--border); }
.btn-sm        { padding: 5px 11px; font-size: 12px; }
.btn-lg        { padding: 12px 24px; font-size: 15px; }
.btn-full      { width: 100%; justify-content: center; }

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

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--navy-2);
    margin-bottom: 6px;
}

.label-hint {
    font-size: 11.5px;
    font-weight: 400;
    color: var(--slate);
    margin-left: 4px;
}

input[type=text], input[type=email], input[type=password],
input[type=number], input[type=date], input[type=tel],
select, textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--navy);
    background: var(--white);
    outline: none;
    transition: border-color .12s, box-shadow .12s;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
select { cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-group input[type=checkbox] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--blue-600);
}

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13.5px;
    font-weight: 500;
    border-left: 4px solid;
}

.alert-success { background: var(--success-bg); color: #15803d; border-color: var(--success); }
.alert-danger  { background: var(--danger-bg);  color: #b91c1c; border-color: var(--danger);  }
.alert-warning { background: var(--warning-bg); color: #92400e; border-color: var(--warning); }
.alert-info    { background: var(--info-bg);    color: #075985; border-color: var(--info);    }

/* ── Progress Bar ────────────────────────────────────────────── */
.progress {
    height: 8px;
    background: var(--border);
    border-radius: 99px;
    overflow: hidden;
    margin: 6px 0;
}

.progress-bar {
    height: 100%;
    background: var(--blue-500);
    border-radius: 99px;
    transition: width .3s;
}

.progress-bar.danger  { background: var(--danger); }
.progress-bar.warning { background: var(--warning); }

/* ── Kota Kartı ──────────────────────────────────────────────── */
.quota-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.quota-item:last-child { border-bottom: none; }
.quota-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.quota-name { font-weight: 600; font-size: 13.5px; }
.quota-nums { font-size: 12px; color: var(--slate); }

/* ── Empty State ─────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--slate);
}
.empty-state svg { width: 40px; height: 40px; opacity: .35; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ── Detail Grid ─────────────────────────────────────────────── */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.detail-item label { font-size: 11.5px; color: var(--slate); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.detail-item .val  { font-size: 14px; color: var(--navy); margin-top: 3px; font-weight: 500; }

/* ── Login Page ──────────────────────────────────────────────── */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--blue-900) 0%, var(--navy) 100%);
}

.login-container { width: 100%; max-width: 420px; padding: 20px; }

.login-box {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

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

.login-logo .brand-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy);
}

.login-logo .brand-name span { color: var(--blue-600); }
.login-logo .tagline { font-size: 13px; color: var(--slate); margin-top: 4px; }

.panel-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--bg);
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 24px;
}

.panel-tab {
    padding: 8px;
    text-align: center;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, color .15s;
    color: var(--slate);
    border: none;
    background: transparent;
    font-family: inherit;
}

.panel-tab.active {
    background: var(--white);
    color: var(--blue-600);
    box-shadow: var(--shadow);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main { margin-left: 0; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
}

/* ── Utilities ───────────────────────────────────────────────── */
.mt-1  { margin-top: 4px;  }
.mt-2  { margin-top: 8px;  }
.mt-3  { margin-top: 12px; }
.mt-4  { margin-top: 20px; }
.mt-6  { margin-top: 24px; }
.mb-4  { margin-bottom: 20px; }
.gap-2 { display: flex; gap: 8px; align-items: center; }
.gap-3 { display: flex; gap: 12px; align-items: center; }
.text-muted { color: var(--slate); }
.text-small { font-size: 12px; }
.text-right { text-align: right; }
.font-mono  { font-family: 'DM Mono', monospace; }
.divider    { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.w-full     { width: 100%; }

/* ── Mobil Hamburger Menü ─────────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: all .2s;
}
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

@media (max-width: 768px) {
    .hamburger { display: flex; }

    .sidebar {
        transform: translateX(-100%);
        transition: transform .25s ease;
        z-index: 200;
    }
    .sidebar.open { transform: translateX(0); }

    .main { margin-left: 0; }

    .topbar { padding: 0 16px; }
    .content { padding: 16px; }

    .page-header { flex-direction: column; gap: 12px; }
    .page-header .btn { width: 100%; justify-content: center; }

    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }

    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }

    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    th, td { padding: 10px 12px; font-size: 12.5px; }

    .btn { font-size: 13px; padding: 8px 14px; }
    .btn-sm { font-size: 11.5px; padding: 5px 10px; }
}

@media (max-width: 420px) {
    .stats-grid { grid-template-columns: 1fr; }
    .login-box { padding: 28px 20px; }
}