/* =========================================================
   Lotto Tippgemeinschaft – Modernes Dashboard Design
   ========================================================= */

:root {
    --bg: #0f1420;
    --bg-soft: #141a2b;
    --card: #1a2235;
    --card-border: #26304a;
    --text: #e8ecf7;
    --text-muted: #8c96b3;
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --info: #38bdf8;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    --transition: all 0.2s ease;
    --surface-1: rgba(255, 255, 255, 0.06);
    --surface-2: rgba(255, 255, 255, 0.12);
    --surface-3: rgba(255, 255, 255, 0.03);
    --hairline: rgba(255, 255, 255, 0.05);
    --body-gradient-start: #1b2440;
    --card-tint: rgba(26, 34, 53, 0.7);
    --topbar-bg: rgba(15, 20, 32, 0.85);
}

:root[data-theme="light"] {
    --bg: #f3f4f9;
    --bg-soft: #ffffff;
    --card: #ffffff;
    --card-border: #e3e6f0;
    --text: #1a2235;
    --text-muted: #646e8c;
    --primary: #6366f1;
    --primary-light: #4f46e5;
    --primary-dark: #4338ca;
    --success: #16a34a;
    --success-bg: rgba(22, 163, 74, 0.1);
    --danger: #dc2626;
    --danger-bg: rgba(220, 38, 38, 0.1);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.1);
    --info: #0284c7;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --surface-1: rgba(15, 23, 42, 0.05);
    --surface-2: rgba(15, 23, 42, 0.09);
    --surface-3: rgba(15, 23, 42, 0.03);
    --hairline: rgba(15, 23, 42, 0.07);
    --body-gradient-start: #ffffff;
    --card-tint: rgba(255, 255, 255, 0.6);
    --topbar-bg: rgba(255, 255, 255, 0.85);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: radial-gradient(circle at top left, var(--body-gradient-start) 0%, var(--bg) 45%);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    transition: background 0.25s ease, color 0.25s ease;
}

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

/* ---------- Layout ---------- */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

.app-footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--card-border);
}

/* ---------- Topbar ---------- */
.topbar {
    background: var(--topbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

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

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a {
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.92rem;
    transition: var(--transition);
}

.main-nav a:hover { background: var(--surface-1); color: var(--text); }
.main-nav a.active { background: var(--primary); color: #fff; }
.main-nav a.nav-logout:hover { background: var(--danger-bg); color: var(--danger); }

.theme-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 56px;
    height: 30px;
    padding: 0 7px;
    border-radius: 999px;
    background: var(--surface-1);
    border: 1px solid var(--card-border);
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
}
.theme-switch:hover { background: var(--surface-2); }

.theme-switch-icon {
    font-size: 0.8rem;
    line-height: 1;
    position: relative;
    z-index: 1;
    filter: grayscale(1) brightness(1.4);
    opacity: 0.6;
    transition: var(--transition);
}

.theme-switch-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.25s ease, background 0.25s ease;
}

:root[data-theme="light"] .theme-switch-thumb {
    transform: translateX(26px);
    background: var(--warning);
}
:root[data-theme="light"] .theme-switch-icon-sun {
    filter: none;
    opacity: 1;
}
:root:not([data-theme="light"]) .theme-switch-icon-moon {
    filter: none;
    opacity: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ---------- Page head ---------- */
.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.page-head h1 {
    margin: 0 0 4px;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.muted { color: var(--text-muted); margin: 0; font-size: 0.92rem; }

.data-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    background: var(--surface-1);
    color: var(--text-muted);
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-muted { background: var(--surface-1); color: var(--text-muted); }

/* ---------- Card ---------- */
.card {
    background: linear-gradient(180deg, var(--card), var(--card-tint));
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card h3 {
    margin: 0 0 14px;
    font-size: 1.02rem;
    font-weight: 700;
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.section-head h3 { margin: 0; }
.link-more { color: var(--primary-light); font-weight: 600; font-size: 0.88rem; }
.link-more:hover { text-decoration: underline; }

/* ---------- Filter bar ---------- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 140px;
}

.filter-grow { flex: 1; min-width: 200px; }

.filter-group label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

select, input[type="date"], input[type="search"], input[type="password"], input[type="text"] {
    background: var(--bg-soft);
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}
select:focus, input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.2); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.88rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost { background: var(--surface-1); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-block { width: 100%; }

/* ---------- KPI grid ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.kpi-card {
    background: linear-gradient(180deg, var(--card), var(--card-tint));
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.kpi-primary { border-color: rgba(99,102,241,0.4); background: linear-gradient(135deg, rgba(99,102,241,0.18), var(--card-tint)); }
.kpi-success { border-color: rgba(34,197,94,0.35); }

.kpi-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}
.kpi-value { font-size: 1.55rem; font-weight: 800; letter-spacing: -0.02em; }
.kpi-sub { margin-top: 4px; font-size: 0.8rem; color: var(--text-muted); }

/* ---------- Charts ---------- */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}
.chart-card { min-width: 0; }
.chart-wide { grid-column: 1 / -1; }

@media (max-width: 700px) {
    .charts-grid { grid-template-columns: 1fr; }
}

/* ---------- Table ---------- */
.table-wrapper { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}
.data-table th:hover { color: var(--text); }
.data-table th.sorted-asc::after { content: ' ▲'; font-size: 0.7em; }
.data-table th.sorted-desc::after { content: ' ▼'; font-size: 0.7em; }

.data-table td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--hairline);
}
.data-table tbody tr:hover { background: var(--surface-3); }

.text-right { text-align: right; }
.text-center { text-align: center; }

.amount-positive { color: var(--success); font-weight: 700; }
.amount-negative { color: var(--danger); font-weight: 700; }

.pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
}
.pill-einzahlung { background: rgba(56,189,248,0.15); color: var(--info); }
.pill-teilnahme { background: var(--danger-bg); color: var(--danger); }
.pill-gewinn { background: var(--success-bg); color: var(--success); }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.pagination button {
    min-width: 36px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    background: var(--bg-soft);
    color: var(--text);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
}
.pagination button.active { background: var(--primary); border-color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Login ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login-wrapper { width: 100%; max-width: 380px; text-align: center; }
.login-card {
    background: linear-gradient(180deg, var(--card), var(--card-tint));
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    box-shadow: var(--shadow);
}
.login-logo { margin-bottom: 20px; display: flex; justify-content: center; }
.login-logo-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.login-card h1 { font-size: 1.4rem; margin: 0 0 6px; }
.login-subtitle { color: var(--text-muted); font-size: 0.88rem; margin: 0 0 22px; }
.login-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.login-form label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }
.login-footer { color: var(--text-muted); font-size: 0.8rem; margin-top: 18px; }

.alert {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 16px;
    text-align: left;
}
.alert-error { background: var(--danger-bg); color: var(--danger); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-soft);
        border-bottom: 1px solid var(--card-border);
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        gap: 4px;
        display: none;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 12px 14px; }

    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .page-head h1 { font-size: 1.45rem; }
    .filter-bar { gap: 10px; }
    .filter-group { min-width: 47%; flex: 1; }
}

@media (max-width: 520px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .kpi-value { font-size: 1.25rem; }
    .app-main { padding: 18px 14px 40px; }
}