/* ==========================================================================
   KLASSE.BLOG – LEHRER-DASHBOARD STYLES
   ========================================================================== */

:root {
    --kb-primary: #0284c7;
    --kb-primary-hover: #0369a1;
    --kb-primary-light: #f0f9ff;
    --kb-primary-border: #bae6fd;
    --kb-accent: #10b981;
    --kb-accent-hover: #059669;
    --kb-amber: #f59e0b;
    --kb-danger: #ef4444;
    --kb-danger-light: #fef2f2;
    --kb-card-bg: #ffffff;
    --kb-text-main: #0f172a;
    --kb-text-muted: #64748b;
    --kb-border: #e2e8f0;
    --kb-radius: 16px;
    --kb-radius-sm: 8px;
}

body {
    background-color: #f8fafc;
    color: var(--kb-text-main);
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.admin-header {
    background: #ffffff;
    border-bottom: 1px solid var(--kb-border);
    padding: 14px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.admin-header-container {
    max-width: 1240px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

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

.admin-logo-img {
    height: 44px;
    width: auto;
}

.admin-badge-school {
    background: #f1f5f9;
    color: #475569;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid #e2e8f0;
}

.admin-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Container */
.admin-main-wrapper {
    max-width: 1240px;
    margin: 30px auto 80px;
    padding: 0 20px;
}

/* Navigation Tabs */
.kb-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--kb-border);
    margin-bottom: 28px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.kb-tab-btn {
    background: none;
    border: none;
    padding: 12px 20px;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--kb-text-muted);
    cursor: pointer;
    border-radius: 12px 12px 0 0;
    position: relative;
    white-space: nowrap;
    transition: all 0.2s;
}

.kb-tab-btn:hover {
    color: var(--kb-primary);
    background: #f1f5f9;
}

.kb-tab-btn.active {
    color: var(--kb-primary);
    background: #ffffff;
}

.kb-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--kb-primary);
    border-radius: 3px 3px 0 0;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Grid & Cards */
.kb-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

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

.kb-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid #f1f5f9;
}

.kb-card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--kb-text-main);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Redaktionen Accordion / List */
.redaktion-block {
    background: #ffffff;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
}

.redaktion-header {
    background: #f8fafc;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--kb-border);
    flex-wrap: wrap;
    gap: 12px;
}

.redaktion-code-badge {
    font-family: 'Courier New', monospace;
    font-size: 1.05rem;
    font-weight: 800;
    background: #e0f2fe;
    color: #0369a1;
    border: 1px dashed #0284c7;
    padding: 4px 12px;
    border-radius: 8px;
    letter-spacing: 0.08em;
}

.redaktion-body {
    padding: 20px;
}

/* Student Scrollbox */
.student-search-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-sm);
    font-size: 0.9rem;
    margin-bottom: 12px;
    box-sizing: border-box;
}

.student-list-scrollbox {
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid #f1f5f9;
    border-radius: var(--kb-radius-sm);
    background: #fafafa;
}

.student-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid #f1f5f9;
    background: #ffffff;
}

.student-row:last-child {
    border-bottom: none;
}

.student-pin-badge {
    font-family: monospace;
    background: #f1f5f9;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #475569;
}

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

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: #334155;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-sm);
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--kb-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Buttons */
.kb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--kb-radius-sm);
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.kb-btn-primary {
    background: var(--kb-primary);
    color: #ffffff;
}

.kb-btn-primary:hover {
    background: var(--kb-primary-hover);
}

.kb-btn-secondary {
    background: #ffffff;
    color: #334155;
    border-color: var(--kb-border);
}

.kb-btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.kb-btn-danger {
    background: #fee2e2;
    color: #b91c1c;
    border-color: #fca5a5;
}

.kb-btn-danger:hover {
    background: #fecaca;
}

.kb-btn-sm {
    padding: 6px 12px;
    font-size: 0.82rem;
}

/* Modals */
.kb-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 20px;
}

.kb-modal-backdrop.open {
    display: flex;
}

.kb-modal-card {
    background: #ffffff;
    border-radius: var(--kb-radius);
    max-width: 540px;
    width: 100%;
    padding: 28px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.kb-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--kb-text-muted);
}

/* Print Slips (Kärtchen) */
@media print {
    body * {
        visibility: hidden;
    }
    #print-container, #print-container * {
        visibility: visible;
    }
    #print-container {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }
    .print-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .print-card {
        border: 2px dashed #334155;
        padding: 16px;
        border-radius: 10px;
        page-break-inside: avoid;
    }
}