/* ==========================================================================
   GEBZE DİL KURSU - ENTERPRISE CMS ADMIN PANEL STYLESHEET (admin.css)
   ========================================================================== */

:root {
    --adm-navy: #0B162C;
    --adm-navy-light: #152544;
    --adm-primary: #2563EB;
    --adm-primary-dark: #1D4ED8;
    --adm-amber: #F59E0B;
    --adm-emerald: #10B981;
    --adm-rose: #EF4444;
    --adm-purple: #8B5CF6;
    --adm-bg: #F1F5F9;
    --adm-card: #FFFFFF;
    --adm-border: #E2E8F0;
    --adm-text: #0F172A;
    --adm-muted: #64748B;
    --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body.admin-body {
    font-family: var(--font-sans);
    background-color: var(--adm-bg);
    color: var(--adm-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==========================================================================
   LOGIN SCREEN
   ========================================================================== */
body.admin-login-body {
    font-family: var(--font-sans);
    min-height: 100vh;
    background: radial-gradient(circle at 20% 20%, #1E3A8A 0%, #0B162C 55%, #060D1A 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-wrapper {
    width: 100%;
    max-width: 450px;
}

.login-card {
    background: var(--adm-card);
    border-radius: 24px;
    padding: 38px 34px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--adm-border);
}

.login-brand h1 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--adm-navy);
    line-height: 1.1;
}

.login-brand span {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--adm-primary);
    letter-spacing: 0.06em;
}

.login-demo-box {
    margin-top: 22px;
    padding: 14px;
    background: #F8FAFC;
    border: 1px dashed #CBD5E1;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.login-demo-box strong {
    display: block;
    color: var(--adm-navy);
}

.login-demo-box code {
    background: #E2E8F0;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
}

.login-back-link {
    font-weight: 700;
    color: var(--adm-primary);
}

/* ==========================================================================
   MAIN ADMIN LAYOUT & SIDEBAR
   ========================================================================== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 275px;
    background: var(--adm-navy);
    color: #CBD5E1;
    display: flex;
    flex-direction: column;
    padding: 22px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 10px 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
}

.sb-text strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: #FFFFFF;
    line-height: 1.1;
}

.sb-text span {
    font-size: 0.68rem;
    font-weight: 800;
    color: #FBBF24;
    letter-spacing: 0.08em;
}

.sidebar-section-label {
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #64748B;
    padding: 10px 12px 6px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
}

.sb-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 14px;
    border-radius: 11px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #CBD5E1;
    transition: all 0.2s;
}

.sb-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
}

.sb-link.active {
    background: var(--adm-primary);
    color: #FFFFFF;
    box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.5);
}

.sb-badge {
    margin-left: auto;
    font-size: 0.68rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 99px;
}

.sb-badge.badge-amber {
    background: #F59E0B;
    color: #060D1A;
}

.sb-badge.badge-emerald {
    background: #10B981;
    color: #FFFFFF;
}

.sb-count {
    margin-left: auto;
    font-size: 0.72rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 7px;
    border-radius: 6px;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sb-site-btn, .sb-logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    border-radius: 10px;
    font-size: 0.84rem;
    font-weight: 700;
}

.sb-site-btn {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

.sb-site-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.sb-logout-btn {
    background: rgba(239, 68, 68, 0.14);
    color: #FCA5A5;
}

.sb-logout-btn:hover {
    background: #EF4444;
    color: #FFFFFF;
}

/* ==========================================================================
   MAIN CONTENT AREA & TOPBAR
   ========================================================================== */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-topbar {
    background: var(--adm-card);
    border-bottom: 1px solid var(--adm-border);
    padding: 18px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.at-left h2 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--adm-navy);
}

.at-left span {
    font-size: 0.8rem;
    color: var(--adm-muted);
}

.at-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.at-quick-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #FEF3C7;
    color: #B45309;
    padding: 7px 14px;
    border-radius: 99px;
    font-size: 0.82rem;
    font-weight: 600;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #F59E0B;
}

.at-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.at-avatar {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--adm-navy);
    color: #FBBF24;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.at-profile strong {
    display: block;
    font-size: 0.86rem;
    line-height: 1.2;
}

.at-profile small {
    font-size: 0.72rem;
    color: var(--adm-muted);
}

.admin-content {
    padding: 28px 32px;
}

/* ==========================================================================
   KPI CARDS & INTERACTIVE CHARTS
   ========================================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--adm-card);
    border-radius: 18px;
    padding: 22px;
    border: 1px solid var(--adm-border);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.kpi-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-blue .kpi-icon { background: #DBEAFE; color: #2563EB; }
.kpi-emerald .kpi-icon { background: #D1FAE5; color: #059669; }
.kpi-amber .kpi-icon { background: #FEF3C7; color: #D97706; }
.kpi-purple .kpi-icon { background: #EDE9FE; color: #7C3AED; }

.kpi-label {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--adm-muted);
    letter-spacing: 0.05em;
}

.kpi-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--adm-navy);
    margin: 2px 0;
}

.kpi-sub {
    font-size: 0.76rem;
    color: var(--adm-muted);
    font-weight: 600;
}

.text-amber { color: #D97706; }
.text-emerald { color: #059669; }
.text-primary { color: #2563EB; }

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 1.45fr 0.85fr;
    gap: 22px;
    margin-bottom: 24px;
}

.admin-card {
    background: var(--adm-card);
    border-radius: 18px;
    padding: 24px;
    border: 1px solid var(--adm-border);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--adm-border);
}

.admin-card-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--adm-navy);
}

.admin-card-header p {
    font-size: 0.8rem;
    color: var(--adm-muted);
}

.chart-legend-pills {
    display: flex;
    gap: 14px;
    font-size: 0.78rem;
    font-weight: 700;
}

.cl-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cl-pill i {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    display: inline-block;
}

.bar-chart-container {
    height: 220px;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    align-items: end;
    padding-top: 24px;
}

.bc-col {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.bc-bars-wrap {
    width: 100%;
    height: 175px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 6px;
    border-bottom: 1px solid var(--adm-border);
    padding-bottom: 4px;
}

.bc-bar {
    width: 24px;
    border-radius: 6px 6px 2px 2px;
    position: relative;
    display: flex;
    justify-content: center;
    transition: opacity 0.2s;
}

.bc-bar span {
    position: absolute;
    top: -18px;
    font-size: 0.68rem;
    font-weight: 800;
    color: var(--adm-muted);
}

.bar-lead {
    background: linear-gradient(180deg, #60A5FA, #2563EB);
}

.bar-enrolled {
    background: linear-gradient(180deg, #34D399, #059669);
}

.bc-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--adm-muted);
    margin-top: 8px;
}

/* Donut Chart */
.donut-analytics-wrap {
    display: flex;
    align-items: center;
    gap: 24px;
}

.svg-donut-box {
    position: relative;
    width: 155px;
    height: 155px;
    flex-shrink: 0;
}

.donut-svg {
    width: 155px;
    height: 155px;
    transform: rotate(-90deg);
}

.donut-center-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.donut-center-text strong {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--adm-navy);
}

.donut-center-text span {
    font-size: 0.7rem;
    color: var(--adm-muted);
}

.donut-legend-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dl-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
}

.dl-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.dl-name {
    flex: 1;
    color: var(--adm-text);
    font-weight: 600;
}

/* ==========================================================================
   TABLES, FORMS & BUTTONS
   ========================================================================== */
.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fp-link {
    padding: 8px 16px;
    border-radius: 99px;
    background: var(--adm-card);
    border: 1px solid var(--adm-border);
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--adm-muted);
}

.fp-link.active {
    background: var(--adm-navy);
    color: #FFFFFF;
    border-color: var(--adm-navy);
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.admin-table th {
    background: #F8FAFC;
    color: var(--adm-muted);
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 13px 16px;
    border-bottom: 1px solid var(--adm-border);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #F1F5F9;
    font-size: 0.88rem;
    vertical-align: middle;
}

.block-sub {
    display: block;
    font-size: 0.76rem;
    color: var(--adm-muted);
}

.phone-link {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--adm-primary);
}

.table-thumb {
    width: 68px;
    height: 46px;
    object-fit: cover;
    border-radius: 8px;
}

.table-thumb-round {
    width: 46px;
    height: 46px;
    object-fit: cover;
    border-radius: 50%;
}

.status-pill, .status-select {
    display: inline-block;
    padding: 5px 11px;
    border-radius: 99px;
    font-size: 0.76rem;
    font-weight: 800;
    border: 1px solid transparent;
}

.status-amber { background: #FEF3C7; color: #B45309; }
.status-emerald { background: #D1FAE5; color: #047857; }
.status-blue { background: #DBEAFE; color: #1D4ED8; }
.status-rose { background: #FFE4E6; color: #BE123C; }
.status-slate { background: #E2E8F0; color: #334155; }

.cefr-tag-admin {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 700;
    background: #EFF6FF;
    color: #1D4ED8;
    padding: 3px 9px;
    border-radius: 6px;
}

.score-pill {
    color: #059669;
    font-family: var(--font-mono);
}

.inline-edit-group, .table-btn-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Forms & Inputs */
.admin-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.span-2 {
    grid-column: span 2;
}

.admin-form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: #334155;
    margin-bottom: 5px;
}

.admin-input {
    width: 100%;
    padding: 10px 13px;
    border-radius: 10px;
    border: 1.5px solid var(--adm-border);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
}

.admin-input:focus {
    border-color: var(--adm-primary);
}

.admin-input-sm {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--adm-border);
    font-size: 0.82rem;
}

/* Buttons */
.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 0.86rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.admin-btn-primary {
    background: var(--adm-primary);
    color: #FFFFFF;
}

.admin-btn-primary:hover {
    background: var(--adm-primary-dark);
}

.admin-btn-outline {
    background: #FFFFFF;
    border: 1px solid var(--adm-border);
    color: var(--adm-navy);
}

.admin-btn-danger {
    background: #FEE2E2;
    color: #B91C1C;
}

.admin-btn-danger:hover {
    background: #EF4444;
    color: #FFFFFF;
}

.admin-btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
}

.admin-btn-lg {
    padding: 13px 24px;
    font-size: 0.95rem;
}

.admin-btn-block {
    width: 100%;
}

.admin-alert {
    padding: 13px 18px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 20px;
}

.alert-success {
    background: #DCFCE7;
    color: #166534;
    border: 1px solid #BBF7D0;
}

.alert-danger {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

@media (max-width: 1024px) {
    .kpi-grid, .charts-grid, .admin-form-grid {
        grid-template-columns: 1fr;
    }
    .span-2 {
        grid-column: span 1;
    }
}