/* ============================================================
   Pensionsplanung — Theme-System (Hell / Dunkel)
   ============================================================ */

/* Dark Mode (Standard) */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #020617;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --nav-bg: rgba(15,23,42,0.92);
    --accent: #d4002a;
    --accent-hover: #e8153f;
    --input-bg: #0f172a;
    --input-border: #475569;
}

/* Light Mode */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --nav-bg: rgba(255,255,255,0.92);
    --accent: #d4002a;
    --accent-hover: #b80024;
    --input-bg: #f8fafc;
    --input-border: #cbd5e1;
}

/* ============================================================
   Basis
   ============================================================ */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ============================================================
   Navigation
   ============================================================ */

.nav-bar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-brand img {
    height: 28px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ============================================================
   Theme Toggle Button
   ============================================================ */

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.4rem;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: all 0.2s;
}

.theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* ============================================================
   Cards
   ============================================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

/* ============================================================
   Forms / Inputs
   ============================================================ */

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.form-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--input-border);
    border-radius: 0.5rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212,0,42,0.1);
}

/* ============================================================
   Grid System
   ============================================================ */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   Utility Classes
   ============================================================ */

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.p-4 { padding: 1rem; }
.rounded-lg { border-radius: 0.5rem; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.hidden { display: none; }

/* ============================================================
   Disclaimer Footer
   ============================================================ */

.disclaimer-footer {
    text-align: center;
    padding: 1.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

/* ============================================================
   Landing Page
   ============================================================ */

.landing-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-secondary);
}

.landing-card {
    width: 100%;
    max-width: 480px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

.landing-header {
    background: #d4002a;
    padding: 2rem;
    text-align: center;
    color: #fff;
}

.landing-header img {
    height: 48px;
    margin-bottom: 0.75rem;
}

.landing-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.landing-header p {
    font-size: 0.875rem;
    opacity: 0.85;
    margin-top: 0.25rem;
}

.landing-body {
    padding: 2rem;
}

.landing-contacts {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.contact-card {
    text-align: center;
}

.contact-card img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.contact-card .name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-card .role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.login-form {
    margin-top: 1.5rem;
}

.login-form .form-input {
    text-align: center;
    font-size: 1rem;
}

.login-message {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    text-align: center;
    min-height: 1.5rem;
}

.login-message.success { color: #22c55e; }
.login-message.error { color: #ef4444; }

/* ============================================================
   Admin Tabs
   ============================================================ */

.admin-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.admin-tab {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.admin-tab:hover { color: var(--text-primary); }
.admin-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ============================================================
   Table
   ============================================================ */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: rgba(148,163,184,0.05);
}

/* ============================================================
   Pension-spezifische Styles (Neon Dark Mode)
   ============================================================ */

:root {
    --neon-cyan: #00e5ff;
    --neon-magenta: #ff00e5;
    --neon-green: #39ff14;
    --neon-orange: #ff6d00;
    --neon-yellow: #ffea00;
    --neon-blue: #2979ff;
    --neon-red: #ff1744;
    --neon-purple: #d500f9;
    --neon-teal: #1de9b6;
    --neon-pink: #f50057;
}

/* Light Mode: Neon-Farben etwas gedämpft */
[data-theme="light"] {
    --neon-cyan: #0097a7;
    --neon-magenta: #c2185b;
    --neon-green: #2e7d32;
    --neon-orange: #e65100;
    --neon-yellow: #f9a825;
    --neon-blue: #1565c0;
    --neon-red: #c62828;
    --neon-purple: #7b1fa2;
    --neon-teal: #00897b;
    --neon-pink: #ad1457;
}

.pension-container { max-width: 1400px; margin: 0 auto; padding: 1rem; }

.glow-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
}
.glow-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-green));
}

.glow-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neon-cyan);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Slider */
.pension-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
}
.pension-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--neon-cyan);
    cursor: pointer;
    box-shadow: 0 0 8px var(--neon-cyan);
}
.pension-slider::-moz-range-thumb {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--neon-cyan);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px var(--neon-cyan);
}

/* Neon Badges */
.neon-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.neon-badge-cyan { background: rgba(0,229,255,0.15); color: var(--neon-cyan); border: 1px solid rgba(0,229,255,0.3); }
.neon-badge-magenta { background: rgba(255,0,229,0.15); color: var(--neon-magenta); border: 1px solid rgba(255,0,229,0.3); }
.neon-badge-green { background: rgba(57,255,20,0.15); color: var(--neon-green); border: 1px solid rgba(57,255,20,0.3); }
.neon-badge-orange { background: rgba(255,109,0,0.15); color: var(--neon-orange); border: 1px solid rgba(255,109,0,0.3); }
.neon-badge-red { background: rgba(255,23,68,0.15); color: var(--neon-red); border: 1px solid rgba(255,23,68,0.3); }

/* Timeline */
.timeline-event {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 1rem;
    border-left: 2px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.2s;
}
.timeline-event:hover { border-left-color: var(--neon-cyan); }
.timeline-event::before {
    content: '';
    position: absolute;
    left: -6px; top: 4px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--neon-cyan);
    box-shadow: 0 0 6px var(--neon-cyan);
}
.timeline-event.event-pension::before { background: var(--neon-green); box-shadow: 0 0 6px var(--neon-green); }
.timeline-event.event-3a::before { background: var(--neon-magenta); box-shadow: 0 0 6px var(--neon-magenta); }
.timeline-event.event-ahv::before { background: var(--neon-blue); box-shadow: 0 0 6px var(--neon-blue); }

/* KPI */
.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.kpi-value.positive { color: var(--neon-green); }
.kpi-value.negative { color: var(--neon-red); }

/* Tab Buttons */
.tab-btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
    background: rgba(0,229,255,0.1);
    color: var(--neon-cyan);
    border-color: rgba(0,229,255,0.3);
}

/* Chart */
.chart-wrap { position: relative; height: 350px; width: 100%; }

/* Scenario */
.scenario-btn {
    padding: 0.4rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.scenario-btn.active {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    background: rgba(0,229,255,0.08);
}

/* Expense */
.expense-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(51,65,85,0.5);
}
.expense-label { flex: 0 0 200px; font-size: 0.85rem; color: var(--text-secondary); }
.expense-slider-wrap { flex: 1; }
.expense-value { flex: 0 0 100px; text-align: right; font-variant-numeric: tabular-nums; font-size: 0.85rem; color: var(--text-primary); }

/* Konto Cards */
.konto-card {
    background: rgba(30,41,59,0.7);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem;
}
[data-theme="light"] .konto-card {
    background: var(--bg-secondary);
}
.konto-card.debt { border-left: 3px solid var(--neon-red); }
.konto-card.vorsorge { border-left: 3px solid var(--neon-magenta); }
.konto-card.asset { border-left: 3px solid var(--neon-cyan); }

.account-group-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 0 0.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-top: 1rem;
}
.account-group-total { font-variant-numeric: tabular-nums; }

.editable-field, .editable-value {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 2px 4px;
    font: inherit;
    color: inherit;
    width: 100%;
    transition: border-color 0.2s;
}
.editable-field:hover, .editable-value:hover {
    border-color: var(--border-color);
}
.editable-field:focus, .editable-value:focus {
    border-color: var(--neon-cyan);
    outline: none;
    background: var(--input-bg);
}

.iban-text {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.stand-date-input {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--input-border);
    border-radius: 0.375rem;
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
}