/* ========================================
   DARK MODE ONLY - BINGO BOARD VORSCHLÄGE
   ======================================== */

:root {
    /* Primary Colors - Vibrant Purple/Blue */
    --primary-color: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --primary-glow: rgba(139, 92, 246, 0.5);

    /* Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;

    /* Status Colors */
    --success-color: #22c55e;
    --success-glow: rgba(34, 197, 94, 0.3);
    --danger-color: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.3);
    --warning-color: #f59e0b;
    --info-color: #3b82f6;

    /* Dark Backgrounds */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #1e293b;
    --bg-card-hover: #2d3748;

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    /* Border Colors */
    --border-color: #334155;
    --border-light: #475569;
    --border-glow: rgba(139, 92, 246, 0.3);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.7);
    --glow-primary: 0 0 20px var(--primary-glow);
    --glow-success: 0 0 20px var(--success-glow);
    --glow-danger: 0 0 20px var(--danger-glow);
}

/* ========================================
   BASE STYLES
   ======================================== */

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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f3a 50%, #0f1419 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated background particles effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========================================
   HEADER STYLES
   ======================================== */

.header {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-xl), var(--glow-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-cyan), var(--accent-pink), var(--primary-color));
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.header h1 {
    color: var(--text-primary);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-cyan) 50%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 500;
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav-tabs {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 15px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    border-bottom: none;
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-radius: 12px;
    padding: 12px 25px;
    margin: 0 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    background: transparent;
}

.nav-tabs .nav-link:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.nav-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--glow-primary);
}

/* ========================================
   CARD STYLES
   ======================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--border-light);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px 25px;
    font-weight: 700;
    font-size: 1.3rem;
    border: none;
}

.card-body {
    padding: 30px;
    color: var(--text-primary);
}

/* ========================================
   FORM STYLES
   ======================================== */

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: block;
}

.form-control,
.form-select {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 18px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control::placeholder {
    color: var(--text-dim);
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--border-glow);
    outline: none;
    color: var(--text-primary);
}

.text-muted,
small.text-muted {
    color: var(--text-muted) !important;
}

/* ========================================
   BUTTON STYLES
   ======================================== */

.btn {
    padding: 12px 30px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--accent-green) 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-success);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-danger);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: white;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* ========================================
   VOTING STYLES
   ======================================== */

.voting-item {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.voting-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md), var(--glow-primary);
    transform: translateX(5px);
    background: var(--bg-card-hover);
}

.voting-item.voted {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(124, 58, 237, 0.1) 100%);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.voting-item.max-votes {
    opacity: 0.5;
    pointer-events: none;
}

.voting-item h5 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.voting-item .text-muted {
    color: var(--text-muted) !important;
}

.vote-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--glow-primary);
}

.vote-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.vote-btn:hover:not(:disabled) {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--glow-success);
}

.vote-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ========================================
   ADMIN STYLES
   ======================================== */

.admin-login {
    max-width: 500px;
    margin: 100px auto;
}

.top-suggestions {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 2px solid var(--success-color);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--glow-success);
}

.top-suggestion-item {
    background: var(--bg-card-hover);
    border-left: 4px solid var(--success-color);
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.top-suggestion-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.top-suggestion-item:last-child {
    margin-bottom: 0;
}

.top-suggestion-item h6 {
    color: var(--text-primary);
}

.top-suggestion-item .text-muted {
    color: var(--text-muted) !important;
}

.badge-rank {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #1e293b;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

/* ========================================
   ALERT STYLES
   ======================================== */

.alert {
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 1px solid;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(16, 185, 129, 0.15) 100%);
    color: #86efac;
    border-color: var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.15) 100%);
    color: #fca5a5;
    border-color: var(--danger-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.15) 100%);
    color: #fcd34d;
    border-color: var(--warning-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(37, 99, 235, 0.15) 100%);
    color: #93c5fd;
    border-color: var(--info-color);
}

/* ========================================
   TABLE STYLES
   ======================================== */

.table-responsive {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
}

.table {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    color: var(--text-primary);
    margin-bottom: 0;
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.table thead th {
    border: none;
    padding: 15px;
    font-weight: 700;
    color: white !important;
    background: transparent;
}

.table tbody {
    background: var(--bg-card);
}

.table tbody td {
    padding: 15px;
    vertical-align: middle;
    border-color: var(--border-color);
    color: var(--text-primary) !important;
    background: transparent;
}

.table tbody tr {
    background: var(--bg-card);
    transition: background 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--bg-card-hover) !important;
}

.table tbody tr:last-child {
    border-bottom: none;
}

/* Spezifische Styles für Admin-Tabelle */
#allSuggestionsTable td {
    color: var(--text-primary) !important;
}

#allSuggestionsTable td strong {
    color: var(--text-primary);
}

/* Tabellen-Text-Farben erzwingen */
.table td,
.table th,
.table tr {
    color: var(--text-primary) !important;
}

.table thead th {
    color: white !important;
}


/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* ========================================
   LOADING SPINNER
   ======================================== */

.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 3px;
    border-color: var(--primary-color);
    border-right-color: transparent;
}

.text-primary .spinner-border {
    border-color: currentColor;
    border-right-color: transparent;
}

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
}

@media (max-width: 992px) {
    .header h1 {
        font-size: 2.3rem;
    }

    .card-body {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .header {
        padding: 30px 20px;
    }

    .header h1 {
        font-size: 2rem;
    }

    .header p {
        font-size: 1rem;
    }

    .card-body {
        padding: 20px;
    }

    .nav-tabs {
        padding: 10px;
    }

    .nav-tabs .nav-link {
        margin: 5px 0;
        display: block;
        text-align: center;
    }

    .voting-item {
        padding: 15px;
    }

    .vote-btn {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .table {
        font-size: 0.9rem;
    }

    .table thead th,
    .table tbody td {
        padding: 10px;
    }
}

@media (max-width: 576px) {
    .header h1 {
        font-size: 1.7rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .btn-lg {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .card-header {
        padding: 15px 20px;
        font-size: 1.1rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-2 {
    margin-bottom: 0.5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.d-flex {
    display: flex !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.align-items-start {
    align-items: flex-start !important;
}

.align-items-center {
    align-items: center !important;
}

.small {
    font-size: 0.875rem;
}

/* Bootstrap overrides for dark mode */
.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.position-fixed {
    position: fixed !important;
}

.top-0 {
    top: 0 !important;
}

.start-50 {
    left: 50% !important;
}

.translate-middle-x {
    transform: translateX(-50%) !important;
}