/* KI-Controlling Framework – Dark Dashboard Styles */
:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --blue: #00D4FF;
    --yellow: #CCFF00;
    --red: #ff6b6b;
    --green: #6bcb77;
    --card-radius: 12px;
    --sidebar-width: 260px;
    --sidebar-collapsed: 0px;
}

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

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

/* ═══ APP LAYOUT ═══ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ═══ SIDEBAR ═══ */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: width 0.2s, min-width 0.2s;
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
    min-width: var(--sidebar-collapsed);
}

.sidebar-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.sidebar-header .brand {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--blue);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.15s;
    white-space: nowrap;
}

.nav-item:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}

.nav-item.active {
    color: var(--blue);
    background: rgba(0,212,255,0.08);
    border-right: 2px solid var(--blue);
}

.nav-icon { font-size: 1rem; }

/* Groups section */
.nav-section { border-top: 1px solid var(--border); margin-top: 0.3rem; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.15s;
    white-space: nowrap;
}

.section-header:hover { color: var(--text); }

.section-header .chevron {
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.section-header .chevron.open { transform: rotate(0deg); }

.section-content { display: none; padding: 0 0 0.5rem 0; }

.sidebar-empty {
    padding: 0.5rem 1.25rem 0.5rem 2.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Group items */
.group-item { margin-bottom: 0.15rem; }

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 1.25rem 0.4rem 2rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color 0.15s;
    white-space: nowrap;
}

.group-header:hover { color: var(--text); }

.group-header .chevron { font-size: 0.65rem; }

.group-projects { display: none; }

.project-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1.25rem 0.35rem 2.8rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.1s;
    white-space: nowrap;
}

.project-item:hover {
    color: var(--text);
    background: rgba(255,255,255,0.03);
}

.project-item.active {
    color: var(--blue);
    background: rgba(0,212,255,0.06);
}

.sidebar-add-btn {
    margin: 0.5rem 1rem;
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    width: calc(100% - 2rem);
    text-align: center;
    transition: all 0.15s;
    white-space: nowrap;
}

.sidebar-add-btn:hover {
    border-color: var(--blue);
    color: var(--blue);
    background: rgba(0,212,255,0.05);
}

/* Sidebar Footer */
.sidebar-footer {
    border-top: 1px solid var(--border);
    padding: 0.3rem 0;
}

/* ═══ MAIN AREA ═══ */
.main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ═══ TOPBAR ═══ */
.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 50px;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    transition: color 0.15s;
}

.sidebar-toggle:hover { color: var(--text); }

.topbar-left { flex: 1; }

.mandant-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    transition: all 0.15s;
}

.user-btn:hover {
    color: var(--text);
    background: rgba(255,255,255,0.05);
}

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--blue);
    color: #0a0a1a;
    font-weight: 700;
    font-size: 0.8rem;
}

.logout-btn {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 0.3rem;
    border-radius: 4px;
    transition: color 0.15s;
}

.logout-btn:hover { color: var(--red); }

/* ═══ CONTENT ═══ */
.content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* ═══ DASHBOARD ═══ */
.dashboard-page { max-width: 1100px; }

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--blue);
    color: #0a0a1a;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary:hover { background: #00b8e6; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}

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

/* Section titles */
.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.section-title:first-child { margin-top: 0; }

/* Project grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.2rem;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.2s;
}

.project-card:hover {
    border-color: var(--blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,212,255,0.1);
}

.project-card-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.project-card-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.project-card-group {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.project-card-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Suggestion cards */
.suggestion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.8rem;
}

.suggestion-card {
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--card-radius);
    padding: 1rem;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.2s;
}

.suggestion-card:hover {
    border-color: var(--yellow);
    background: rgba(204,255,0,0.04);
    transform: translateY(-1px);
}

.suggestion-card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.suggestion-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.suggestion-card-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ═══ FORM STYLES ═══ */
.form-card {
    max-width: 560px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 2rem;
}

.form-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
}

.form-group select {
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

/* ═══ SETTINGS ═══ */
.settings-page { max-width: 560px; }

.error-box {
    background: rgba(255,107,107,0.15);
    border: 1px solid var(--red);
    color: var(--red);
    padding: 0.7rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.success-box {
    background: rgba(107,203,119,0.15);
    border: 1px solid var(--green);
    color: var(--green);
    padding: 0.7rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* ═══ TOP NAV (legacy) ═══ */
.topnav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topnav .brand { font-size: 1.1rem; font-weight: 600; }
.topnav .nav-links { display: flex; gap: 1rem; }
.topnav .nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.9rem;
}
.topnav .nav-links a:hover, .topnav .nav-links a.active {
    color: var(--text);
    background: rgba(255,255,255,0.05);
}

/* ═══ CONTAINER ═══ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Year Selector */
.year-selector {
    margin-bottom: 1.5rem;
}
.year-selector select {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.2rem;
    text-align: center;
}
.kpi-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 0.3rem;
}
.kpi-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Chart Row */
.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}
@media (max-width: 768px) {
    .chart-row { grid-template-columns: 1fr; }
}
.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.2rem;
}
.chart-card h3 {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

/* Data Table */
.table-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}
.table-card h3 {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.data-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.5rem 0.8rem;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 0.5rem 0.8rem;
    border-bottom: 1px solid rgba(48,54,61,0.5);
}
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .neg { color: var(--red); }
.data-table .bold { font-weight: 600; }
.data-table .section td {
    color: var(--yellow);
    font-weight: 600;
    padding-top: 1rem;
    border-bottom: none;
}
.data-table .highlight td {
    border-top: 2px solid var(--border);
    font-weight: 600;
}
.data-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

/* Landing Page */
.landing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.landing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 3rem;
    max-width: 600px;
    width: 100%;
    text-align: center;
}
.landing-logo { font-size: 3rem; margin-bottom: 0.5rem; }
.landing h1 { font-size: 1.8rem; margin-bottom: 0.3rem; }
.landing-sub { color: var(--text-muted); margin-bottom: 2rem; }

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--card-radius);
    padding: 2.5rem;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 1.5rem;
}
.upload-area:hover, .upload-area.dragover {
    border-color: var(--blue);
    background: rgba(0,212,255,0.05);
}
.upload-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.upload-text { font-size: 1.1rem; margin-bottom: 0.3rem; }
.upload-hint { color: var(--text-muted); font-size: 0.85rem; }

/* Status / Result */
.status-box {
    padding: 1rem;
    background: rgba(0,212,255,0.1);
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top: 2px solid var(--blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result-box { margin-bottom: 1rem; }
.result-ok { color: var(--green); font-weight: 600; margin-bottom: 0.5rem; }
.result-error { color: var(--red); font-weight: 600; }
.result-warning { color: var(--yellow); font-size: 0.85rem; margin-top: 0.5rem; }
.result-table { width: 100%; border-collapse: collapse; margin: 0.5rem 0; }
.result-table td { padding: 0.3rem 0.5rem; border-bottom: 1px solid rgba(48,54,61,0.3); text-align: left; }
.result-table td:last-child { text-align: right; }

/* Coming Soon */
.coming-soon {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}
.coming-soon span {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.03);
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    border: 1px solid var(--border);
}
.coming-soon .badge {
    color: var(--yellow);
    border-color: var(--yellow);
    font-weight: 500;
}

/* Nav Links */
.nav-link a {
    color: var(--blue);
    text-decoration: none;
    font-weight: 500;
}
.nav-link a:hover { text-decoration: underline; }

/* Hilfsklasse */
.hidden { display: none; }

/* Auth-Seiten */
.error-box {
    background: rgba(255,107,107,0.15);
    border: 1px solid #ff6b6b;
    color: #ff6b6b;
    padding: 0.7rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: #00D4FF;
    color: #0a0a1a;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-primary:hover { background: #00b8e6; }

.mandant-card {
    width: 100%;
    padding: 1.2rem;
    background: #1a1a2e;
    border: 1px solid #333;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s, background 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.mandant-card:hover {
    border-color: #00D4FF;
    background: #1e1e35;
}
.mandant-name {
    font-size: 1.2rem;
    color: #fff;
    font-weight: 600;
}
.mandant-desc {
    font-size: 0.85rem;
    color: #888;
}

/* Navigation mit Mandant-Info */
.topnav-mandant {
    font-size: 0.8rem;
    color: #888;
    margin-left: 1rem;
}
.user-badge {
    color: #00D4FF;
    font-size: 0.85rem;
    margin-right: 1rem;
}