/* ========================================
   TWITCH DARK MODE THEME - BINGO BOARD
   ======================================== */

:root {
    /* Twitch Brand Colors */
    --twitch-purple: #9146FF;
    /* Primary Brand Color */
    --twitch-purple-hover: #7d2cff;
    /* Darker Purple for Hover */
    --twitch-black: #0e0e10;
    /* Main Background */
    --twitch-dark: #18181b;
    /* Card/Surface Background */
    --twitch-gray: #2f2f35;
    /* Borders / Secondary Elements */
    --twitch-white: #efeff1;
    /* Primary Text */
    --twitch-light-gray: #adadb8;
    /* Secondary Text */
    --twitch-overlay: rgba(0, 0, 0, 0.7);

    /* Functional Colors */
    --success: #00f593;
    /* Bright Green */
    --danger: #ff4f4d;
    /* Birght Red */
    --warning: #f5a623;
    /* Orange/Yellow */
    --info: #00d6d6;
    /* Cyan */

    /* Variables Map to Generic Names */
    --primary-color: var(--twitch-purple);
    --bg-body: var(--twitch-black);
    --bg-card: var(--twitch-dark);
    --bg-input: #000000;
    --text-main: var(--twitch-white);
    --text-sub: var(--twitch-light-gray);
    --border-color: var(--twitch-gray);

    /* Shadows & Glows */
    --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);
    --glow-purple: 0 0 10px rgba(145, 70, 255, 0.4);
    --glow-green: 0 0 10px rgba(0, 245, 147, 0.4);
}

/* ========================================
   RESET & BASE
   ======================================== */

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    padding-bottom: 50px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-main);
    font-weight: 700;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--twitch-purple-hover);
    text-decoration: underline;
}

/* ========================================
   COMPONENTS
   ======================================== */

/* Header */
.header {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-card);
    border-bottom: 2px solid var(--primary-color);
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: var(--glow-purple);
}

.header p {
    color: var(--text-sub);
    font-size: 1.1rem;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
}

.card:hover {
    border-color: var(--text-sub);
}

.card-header {
    background-color: rgba(255, 255, 255, 0.05);
    /* Slight tint */
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
}

.card-body {
    padding: 20px;
}

/* Buttons */
.btn {
    border-radius: 4px;
    font-weight: 600;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--twitch-purple);
    border-color: var(--twitch-purple);
    color: white;
}

.btn-primary:hover {
    background-color: var(--twitch-purple-hover);
    border-color: var(--twitch-purple-hover);
    box-shadow: var(--glow-purple);
}

.btn-success {
    background-color: var(--success);
    border-color: var(--success);
    color: #000;
    /* Contrast */
}

.btn-success:hover {
    background-color: #00c776;
    border-color: #00c776;
    box-shadow: var(--glow-green);
}

.btn-outline-secondary {
    color: var(--text-sub);
    border-color: var(--text-sub);
}

.btn-outline-secondary:hover {
    background-color: var(--text-sub);
    color: #000;
}

/* Forms */
.form-control,
.form-select {
    background-color: var(--bg-input);
    border: 2px solid var(--border-color);
    color: var(--text-main);
    border-radius: 4px;
}

.form-control:focus,
.form-select:focus {
    background-color: #000;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(145, 70, 255, 0.25);
    color: var(--text-main);
}

.form-label {
    color: var(--text-main);
    font-weight: 600;
}

/* Tables */
.table {
    color: var(--text-main);
    border-color: var(--border-color);
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    color: var(--text-sub);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.table td {
    border-color: var(--border-color);
    color: var(--text-main);
}

/* Nav Tabs */
.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-sub);
    border: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    background-color: transparent;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    font-weight: 700;
}

/* Pills */
.nav-pills .nav-link.active {
    background-color: var(--primary-color);
}

/* Alerts */
.alert {
    border-radius: 4px;
    border: 1px solid transparent;
}

.alert-info {
    background-color: rgba(0, 214, 214, 0.1);
    border-color: var(--info);
    color: #a3ffff;
}

.alert-success {
    background-color: rgba(0, 245, 147, 0.1);
    border-color: var(--success);
    color: #a3ffce;
}

.alert-warning {
    background-color: rgba(245, 166, 35, 0.1);
    border-color: var(--warning);
    color: #ffe0a3;
}

.alert-danger {
    background-color: rgba(255, 79, 77, 0.1);
    border-color: var(--danger);
    color: #ffb3b3;
}

/* ========================================
   CUSTOM LAYOUTS
   ======================================== */

.bingo-grid-container {
    display: grid;
    gap: 10px;
    margin-bottom: 20px;
    /* Grid template columns will be set by JS inline style */
}

.bingo-card-item {
    aspect-ratio: 1;
    /* Keep it square */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #26262c;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: transform 0.1s, background-color 0.2s;
    position: relative;
    user-select: none;
}

.bingo-card-item small {
    font-size: 0.9rem;
    /* Slightly larger for readability */
    line-height: 1.2;
}

.bingo-card-item:hover {
    background-color: #323239;
    transform: scale(1.02);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    z-index: 5;
}

.bingo-card-item.checked {
    background-color: var(--twitch-purple);
    border-color: var(--twitch-purple);
    color: white;
    box-shadow: var(--glow-purple);
}

/* Top 16 List */
.top-item {
    background-color: #26262c;
    border-left: 3px solid var(--success);
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 4px;
}

.top-item .badge {
    background-color: #000;
    color: var(--success);
    border: 1px solid var(--success);
}

/* Loading */
.spinner-border {
    color: var(--primary-color);
}

/* Modals */
.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-main);
}

.list-group-item:hover {
    background-color: #26262c;
    color: var(--text-main);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-sub);
}