/* =============================================================
   MeineFBS v1.1 – Zentrales Stylesheet
   Einbinden: <link rel="stylesheet" href="assets/style.css">
              (aus Root-Ebene)
   ============================================================= */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&display=swap');

/* ── CSS Custom Properties ───────────────────────────────── */
:root {
    /* Farben */
    --color-ink:          #0f1117;
    --color-ink-soft:     #5a5f72;
    --color-ink-muted:    #9398ab;
    --color-surface:      #ffffff;
    --color-panel:        #f5f5f7;
    --color-border:       #e2e4ec;

    /* Akzentfarben */
    --color-accent:       #2a52be;
    --color-accent-hover: #1e3d92;
    --color-accent-light: #eef1fb;
    --color-accent-border:rgba(42,82,190,.25);

    /* Status */
    --color-success:      #1a7a4a;
    --color-success-bg:   #eef7f2;
    --color-success-border:#b8e4cd;
    --color-danger:       #c0392b;
    --color-danger-bg:    #fdf0ee;
    --color-danger-border:#f0c4bf;
    --color-warning:      #b45309;
    --color-warning-bg:   #fef9ec;
    --color-warning-border:#f5d78e;
    --color-info:         #1565c0;
    --color-info-bg:      #e3f0fd;
    --color-info-border:  #90c4f5;

    /* Layout */
    --sidebar-width:  224px;
    --topbar-height:  60px;
    --content-max:    1100px;

    /* Typografie */
    --font-sans:   'DM Sans', system-ui, -apple-system, sans-serif;
    --font-serif:  'DM Serif Display', Georgia, serif;
    --font-mono:   'Courier New', Courier, monospace;

    /* Abstände */
    --space-1:  4px;
    --space-2:  8px;
    --space-3:  12px;
    --space-4:  16px;
    --space-5:  20px;
    --space-6:  24px;
    --space-8:  32px;

    /* Radien */
    --radius-sm:  6px;
    --radius:     10px;
    --radius-lg:  14px;
    --radius-xl:  20px;

    /* Schatten */
    --shadow-sm:  0 1px 4px rgba(15,17,23,.06);
    --shadow:     0 4px 20px rgba(15,17,23,.08);
    --shadow-lg:  0 8px 40px rgba(15,17,23,.12);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-ink);
    background: var(--color-panel);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: -.02em;
    line-height: 1.25;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: .9rem; }

p   { color: var(--color-ink-soft); font-size: .9rem; }
small, .text-sm  { font-size: .8rem; }
.text-muted { color: var(--color-ink-muted); }
.text-mono  { font-family: var(--font-mono); font-size: .85rem; }
code {
    font-family: var(--font-mono);
    font-size: .85em;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1px 6px;
}

/* ── Admin Shell: Sidebar ─────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-ink);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
}

.sidebar-brand {
    padding: 20px 18px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    flex-shrink: 0;
}
.sidebar-logo {
    width: 34px; height: 34px;
    background: rgba(255,255,255,.12);
    border-radius: 8px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.sidebar-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: #fff;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    overflow-y: auto;
    scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-section-label {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.28);
    padding: 14px 10px 5px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 10px;
    border-radius: 8px;
    color: rgba(255,255,255,.52);
    font-size: .855rem;
    font-weight: 400;
    transition: background .15s, color .15s;
    margin-bottom: 1px;
    text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,.07); color: rgba(255,255,255,.85); text-decoration: none; }
.nav-item.active { background: rgba(255,255,255,.12); color: #fff; font-weight: 500; }
.nav-item svg { flex-shrink: 0; opacity: .65; width: 16px; height: 16px; }
.nav-item.active svg { opacity: 1; }

.sidebar-footer {
    padding: 10px 10px 14px;
    border-top: 1px solid rgba(255,255,255,.08);
    flex-shrink: 0;
}
.user-info-row {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 10px;
    margin-bottom: 2px;
}
.user-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(255,255,255,.14);
    color: #fff;
    font-size: .72rem;
    font-weight: 600;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.user-name  { color: rgba(255,255,255,.8); font-size: .82rem; font-weight: 500; }
.user-role  { color: rgba(255,255,255,.32); font-size: .72rem; }

/* ── Admin Shell: Topbar ──────────────────────────────────── */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-8);
    gap: var(--space-3);
    z-index: 90;
}
.topbar-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: -.01em;
    flex: 1;
}
.topbar-actions { display: flex; align-items: center; gap: var(--space-2); }

/* ── Admin Shell: Main Content ────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    min-height: 100vh;
}
.page-content {
    padding: var(--space-8) var(--space-8);
    max-width: var(--content-max);
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.card-header {
    padding: 16px 20px 14px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}
.card-header h2 { font-size: .95rem; }
.card-body   { padding: 20px; }
.card-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--color-border);
    background: var(--color-panel);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: .855rem;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .15s, border-color .15s, transform .1s;
    text-decoration: none;
    white-space: nowrap;
}
.btn:active { transform: scale(.99); }
.btn:hover  { text-decoration: none; }

.btn-primary   { background: var(--color-ink);         color: #fff; border-color: var(--color-ink); }
.btn-primary:hover { background: #1c2030; border-color: #1c2030; }

.btn-secondary { background: var(--color-surface);     color: var(--color-ink); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-panel); }

.btn-accent    { background: var(--color-accent);      color: #fff; border-color: var(--color-accent); }
.btn-accent:hover { background: var(--color-accent-hover); }

.btn-danger    { background: var(--color-danger-bg);   color: var(--color-danger); border-color: var(--color-danger-border); }
.btn-danger:hover { background: #f9dbd8; }

.btn-success   { background: var(--color-success-bg);  color: var(--color-success); border-color: var(--color-success-border); }
.btn-ghost     { background: transparent; color: var(--color-ink-soft); border-color: transparent; }
.btn-ghost:hover { background: var(--color-panel); color: var(--color-ink); }

.btn-sm  { padding: 5px 11px; font-size: .78rem; }
.btn-lg  { padding: 12px 24px; font-size: 1rem; }
.btn-icon { padding: 7px; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled, .btn[disabled] { opacity: .5; cursor: not-allowed; pointer-events: none; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 9px;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .01em;
    white-space: nowrap;
}
.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}
.badge-active   { background: var(--color-success-bg); color: var(--color-success); }
.badge-inactive { background: var(--color-panel); color: var(--color-ink-muted); border: 1px solid var(--color-border); }
.badge-pending  { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger   { background: var(--color-danger-bg);  color: var(--color-danger); }
.badge-accent   { background: var(--color-accent-light); color: var(--color-accent); }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: .855rem;
    line-height: 1.5;
    margin-bottom: var(--space-5);
    animation: alertIn .25s ease;
}
@keyframes alertIn { from { opacity:0; transform:translateY(-4px); } to { opacity:1; transform:none; } }
.alert-icon { flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-border); }
.alert-danger  { background: var(--color-danger-bg);  color: var(--color-danger);  border: 1px solid var(--color-danger-border); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid var(--color-warning-border); }
.alert-info    { background: var(--color-info-bg);    color: var(--color-info);    border: 1px solid var(--color-info-border); }

/* ── Forms ────────────────────────────────────────────────── */
.form-group       { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
    margin-bottom: 6px;
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-control {
    display: block;
    width: 100%;
    padding: 9px 13px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: .9rem;
    color: var(--color-ink);
    background: var(--color-surface);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    appearance: none;
}
.form-control::placeholder { color: var(--color-ink-muted); }
.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(42,82,190,.1);
}
.form-control:disabled { background: var(--color-panel); color: var(--color-ink-muted); cursor: not-allowed; }
textarea.form-control  { resize: vertical; min-height: 80px; }
select.form-control    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239398ab' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

.form-hint { font-size: .76rem; color: var(--color-ink-muted); margin-top: 4px; }
.form-row   { display: grid; gap: 14px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Checkbox / Toggle */
.form-check { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.form-check input[type=checkbox],
.form-check input[type=radio] { width: 16px; height: 16px; accent-color: var(--color-accent); cursor: pointer; flex-shrink: 0; }
.form-check label { font-size: .875rem; cursor: pointer; color: var(--color-ink); }

/* ── Data Tables ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead th {
    text-align: left;
    padding: 10px 16px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    background: var(--color-panel);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.data-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    font-size: .875rem;
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background .1s; }
.data-table tbody tr:hover { background: var(--color-panel); }

/* ── Utility Classes ──────────────────────────────────────── */
.d-flex        { display: flex; }
.align-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.mt-4   { margin-top: var(--space-4); }
.mt-6   { margin-top: var(--space-6); }
.mb-4   { margin-bottom: var(--space-4); }
.mb-6   { margin-bottom: var(--space-6); }
.p-4    { padding: var(--space-4); }
.p-6    { padding: var(--space-6); }
.w-100  { width: 100%; }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }

/* ── Login Page ───────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: var(--color-panel);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}
.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 48px 44px;
    width: 100%;
    max-width: 420px;
    animation: cardIn .4s cubic-bezier(.22,.68,0,1.2) both;
}
@keyframes cardIn { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:none; } }

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 56px 20px;
    color: var(--color-ink-muted);
}
.empty-state svg    { opacity: .2; margin: 0 auto 16px; }
.empty-state p      { font-size: .9rem; margin-bottom: 16px; }

/* ── Pagination ───────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 18px;
    border-top: 1px solid var(--color-border);
}
.page-btn {
    min-width: 34px; height: 34px;
    display: grid; place-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-ink);
    font-size: .855rem;
    text-decoration: none;
    transition: all .12s;
    padding: 0 8px;
}
.page-btn:hover   { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-light); text-decoration: none; }
.page-btn.active  { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }
.page-btn.disabled { opacity: .35; pointer-events: none; }

/* ── Stat Cards (Dashboard) ───────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: box-shadow .15s;
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    letter-spacing: -.03em;
    line-height: 1;
    margin: 8px 0 4px;
}
.stat-label { font-size: .78rem; color: var(--color-ink-muted); font-weight: 500; }

/* ── Drop Zone (File Upload) ──────────────────────────────── */
.drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    position: relative;
}
.drop-zone input[type=file] { position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; cursor: pointer; }
.drop-zone:hover, .drop-zone.dragover { border-color: var(--color-accent); background: var(--color-accent-light); }
.drop-zone-icon { margin: 0 auto 12px; opacity: .4; }
.drop-zone-title { font-weight: 500; margin-bottom: 4px; }
.drop-zone-hint  { font-size: .8rem; color: var(--color-ink-muted); }

/* ── Error/Center page (403, 404) ─────────────────────────── */
.center-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.error-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 440px;
    text-align: center;
    box-shadow: var(--shadow);
}
.error-box h1 { margin-bottom: 12px; }
.error-box p  { margin-bottom: 20px; }

/* ── Animations ───────────────────────────────────────────── */
@keyframes slideUp   { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:none; } }
@keyframes fadeIn    { from { opacity:0; } to { opacity:1; } }
@keyframes spin      { to { transform: rotate(360deg); } }
.animate-slide-up    { animation: slideUp .35s ease both; }
.animate-fade        { animation: fadeIn .3s ease both; }

.spinner {
    width: 24px; height: 24px;
    border: 2.5px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin .7s linear infinite;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
    .sidebar.open { transform: none; }
    .main-content, .topbar { margin-left: 0; left: 0; }
    .topbar { padding: 0 var(--space-4); }
    .page-content { padding: var(--space-4); }
    .form-row.cols-2,
    .form-row.cols-3 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-num  { font-size: 1.6rem; }
    .login-card { padding: 32px 24px; }
}