/* ── Grundlayout ── */
html {
    position: relative;
    min-height: 100%;
}

body {
    background-color: #f0f2f5;
    color: #212529;
    font-family: 'Segoe UI', Helvetica, Arial, sans-serif;
    font-size: 15px;
    margin-bottom: 60px;
}

/* ── Navbar-Logo ── */
.navbar-brand img {
    height: 36px;
    width: 36px;
    object-fit: contain;
    opacity: 0.85;
    transition: opacity 0.2s;
}
.navbar-brand img:hover {
    opacity: 1;
}

/* ── Login-Card ── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    width: 100%;
    max-width: 420px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
}
.login-card .card-header {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: #fff;
    border-radius: 12px 12px 0 0;
    text-align: center;
    padding: 1.5rem;
}
.login-card .card-header img {
    height: 48px;
    width: 48px;
    object-fit: contain;
}
.login-card .card-header h4 {
    margin: 0.5rem 0 0;
    font-weight: 600;
    letter-spacing: 0.03em;
}

/* ── Statistik-Karten ── */
.stat-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
    transition: transform 0.15s, box-shadow 0.15s;
    overflow: hidden;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.11);
}
.stat-card .card-header {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.5rem 1rem;
    border-bottom: none;
    background: transparent;
}
.stat-card .card-body {
    padding: 0.75rem 1rem 1rem;
}
.stat-card .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
}

/* Farbvarianten */
.stat-card.accent-blue   .card-header { color: #0d6efd; background: #eef4ff; }
.stat-card.accent-blue   .stat-value  { color: #0d6efd; }
.stat-card.accent-teal   .card-header { color: #0a8fa3; background: #e8f8fc; }
.stat-card.accent-teal   .stat-value  { color: #0a8fa3; }
.stat-card.accent-green  .card-header { color: #198754; background: #edf7f1; }
.stat-card.accent-green  .stat-value  { color: #198754; }
.stat-card.accent-red    .card-header { color: #dc3545; background: #fdf0f1; }
.stat-card.accent-red    .stat-value  { color: #dc3545; }
.stat-card.accent-orange .card-header { color: #c96209; background: #fff4e8; }
.stat-card.accent-orange .stat-value  { color: #c96209; }
.stat-card.accent-purple .card-header { color: #6f42c1; background: #f3f0fb; }
.stat-card.accent-purple .stat-value  { color: #6f42c1; }

/* ── Jahresauswahl-Form ── */
.year-form {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ── OG-Liste ── */
.og-badge {
    font-size: 0.8rem;
}

/* ── Hinweistext in Stat-Karten ── */
.stat-note {
    margin-top: 0.5rem;
    font-size: 0.72rem;
    color: #6c757d;
    font-style: italic;
    line-height: 1.3;
}

/* ── Footer ── */
.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 40px;
    background-color: #fff;
    border-top: 1px solid #dee2e6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    color: #adb5bd;
    z-index: 1000;
}