/* =============================================
   MUNDO GRAPPLING - ESTILO GLOBAL DARK
   A plataforma mais completa para competições.
   Tema: Dark com detalhes em Amarelo Dourado
   ============================================= */

/* =============================================
   VARIÁVEIS CSS
   ============================================= */
:root {
    /* Cores de fundo */
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-card-hover: #1c2128;
    --bg-input: #21262d;
    --bg-header: #010409;
    
    /* Bordas */
    --border-color: #30363d;
    --border-light: #3d444d;
    
    /* Texto */
    --text-primary: #f0f6fc;
    --text-secondary: #a8b2bd;
    --text-muted: #8b949e;
    
    /* Cores de destaque */
    --accent-gold: #f5a623;
    --accent-gold-hover: #d4920e;
    --accent-gold-light: rgba(245, 166, 35, 0.15);
    
    /* Status */
    --success: #238636;
    --success-light: rgba(35, 134, 54, 0.15);
    --danger: #da3633;
    --danger-light: rgba(218, 54, 51, 0.15);
    --warning: #d29922;
    --info: #58a6ff;
    
    /* Gradientes */
    --gradient-header: linear-gradient(135deg, #1a1f2e 0%, #0d1117 100%);
    --gradient-card: linear-gradient(135deg, #1f2937 0%, #161b22 100%);
    --gradient-gold: linear-gradient(135deg, #f5a623 0%, #d4920e 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(245, 166, 35, 0.3);
    
    /* Fontes */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* =============================================
   RESET E BASE
   ============================================= */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-gold-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* =============================================
   TIPOGRAFIA
   ============================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: 0.5em;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.text-gold { color: var(--accent-gold) !important; }
.text-muted { color: var(--text-secondary) !important; }

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
    background: var(--bg-card) !important;
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: var(--bg-header) !important;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    display: flex;
    align-items: center;
    padding: 0;
    margin-left: -30px;
    margin-right: 40px;
}

.navbar-logo {
    height: 50px;
    width: auto;
    transition: var(--transition-fast);
}

.navbar-logo:hover {
    transform: scale(1.05);
}

.navbar-brand:hover {
    opacity: 0.9;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 600;
    padding: 10px 18px !important;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-input);
}

.nav-link.active {
    color: var(--accent-gold) !important;
}

.navbar-toggler {
    border-color: var(--border-color);
    padding: 8px 12px;
}

.navbar-toggler-icon {
    filter: invert(1);
}

/* =============================================
   BOTÕES
   ============================================= */
.btn {
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary,
.btn-gold {
    background: var(--gradient-gold) !important;
    color: var(--bg-dark) !important;
    font-weight: 700;
    border: none !important;
}

.btn-primary:hover,
.btn-gold:hover {
    background: var(--accent-gold-hover) !important;
    color: var(--bg-dark) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-outline-light {
    border: 2px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    background: transparent !important;
}

.btn-outline-light:hover {
    background: var(--accent-gold) !important;
    border-color: var(--accent-gold) !important;
    color: var(--bg-dark) !important;
}

.btn-outline-gold {
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    background: transparent;
}

.btn-outline-gold:hover {
    background: var(--accent-gold);
    color: var(--bg-dark);
}

.btn-dark {
    background: var(--bg-input) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.btn-dark:hover {
    background: var(--bg-card-hover) !important;
    color: var(--text-primary) !important;
}

.btn-success {
    background: var(--success) !important;
    color: #fff !important;
}

.btn-danger {
    background: var(--danger) !important;
    color: #fff !important;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

/* =============================================
   FORMULÁRIOS
   ============================================= */
.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-control,
.form-select {
    background-color: var(--bg-input) !important;
    border: 2px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    padding: 12px 16px;
    border-radius: 8px;
    transition: var(--transition-fast);
    font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-input) !important;
    border-color: var(--accent-gold) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 0 0 3px var(--accent-gold-light) !important;
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--bg-dark) !important;
    color: var(--text-secondary) !important;
    cursor: not-allowed;
    opacity: 0.7;
}

.form-select option {
    background-color: var(--bg-input);
    color: var(--text-primary);
    padding: 10px;
}

.form-select optgroup {
    background-color: var(--bg-card);
    color: var(--accent-gold);
    font-weight: 700;
}

.form-text,
.form-hint,
small.text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.8rem;
    margin-top: 5px;
}

.form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--accent-gold-light);
}

.form-check-label {
    color: var(--text-secondary);
}

.input-group-text {
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}

/* =============================================
   CARDS
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.card-header {
    background: var(--gradient-card);
    color: var(--accent-gold);
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    padding: 18px 24px;
}

.card-body {
    padding: 24px;
}

.card-footer {
    background: var(--bg-input);
    border-top: 1px solid var(--border-color);
    padding: 16px 24px;
}

.card-title {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.card-text {
    color: var(--text-secondary);
}

/* Card de evento */
.event-card {
    position: relative;
    overflow: hidden;
}

.event-card .card-img-top {
    height: 180px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.event-card:hover .card-img-top {
    transform: scale(1.05);
}

.event-card .event-date {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent-gold);
    color: var(--bg-dark);
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    text-align: center;
}

.event-card .event-date .day {
    font-size: 1.5rem;
    display: block;
    line-height: 1;
}

/* =============================================
   TABELAS
   ============================================= */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
}

.table thead th {
    background: var(--bg-card);
    color: var(--accent-gold);
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 14px 16px;
    border-bottom: 2px solid var(--border-color);
}

.table tbody td {
    padding: 14px 16px;
    border-color: var(--border-color);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--bg-input);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--bg-input);
}

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

/* =============================================
   BADGES E TAGS
   ============================================= */
.badge {
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
}

.badge-gold,
.bg-gold {
    background: var(--accent-gold) !important;
    color: var(--bg-dark) !important;
}

.badge-dark {
    background: var(--bg-input);
    color: var(--text-primary);
}

.badge-success,
.bg-success {
    background: var(--success-light) !important;
    color: #7ee787 !important;
}

.badge-danger,
.bg-danger {
    background: var(--danger-light) !important;
    color: #ff7b72 !important;
}

.badge-faixa {
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.8rem;
}

/* =============================================
   ALERTAS
   ============================================= */
.alert {
    border: none;
    border-radius: 10px;
    padding: 16px 20px;
    border-left: 4px solid;
}

.alert-success {
    background: var(--success-light);
    color: #7ee787;
    border-left-color: var(--success);
}

.alert-danger {
    background: var(--danger-light);
    color: #ff7b72;
    border-left-color: var(--danger);
}

.alert-warning {
    background: rgba(210, 153, 34, 0.15);
    color: #e3b341;
    border-left-color: var(--warning);
}

.alert-info {
    background: rgba(88, 166, 255, 0.15);
    color: #79c0ff;
    border-left-color: var(--info);
}

.btn-close {
    filter: invert(1);
    opacity: 0.6;
}

.btn-close:hover {
    opacity: 1;
}

/* =============================================
   TABS / NAVEGAÇÃO
   ============================================= */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    gap: 5px;
}

.nav-tabs .nav-link {
    color: var(--text-secondary) !important;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 14px 24px;
    font-weight: 700;
    background: var(--bg-card);
    border-radius: 8px 8px 0 0;
    margin-bottom: -2px;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-input);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--accent-gold) !important;
    background: var(--bg-card);
    border-color: transparent;
    border-bottom: 3px solid var(--accent-gold);
}

.nav-pills .nav-link {
    color: var(--text-secondary);
    background: var(--bg-input);
    border-radius: 8px;
    padding: 10px 20px;
    margin-right: 8px;
}

.nav-pills .nav-link.active {
    background: var(--accent-gold);
    color: var(--bg-dark);
}

/* =============================================
   DROPDOWN
   ============================================= */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-input);
    color: var(--accent-gold);
}

.dropdown-item.active {
    background: var(--accent-gold-light);
    color: var(--accent-gold);
}

.dropdown-item i {
    margin-right: 10px;
    width: 16px;
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: 8px 0;
}

/* =============================================
   MODAL
   ============================================= */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
}

.modal-title {
    font-family: var(--font-display);
    color: var(--accent-gold);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 16px 24px;
}

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
    gap: 5px;
}

.page-link {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
}

.page-link:hover {
    background: var(--bg-input);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.page-item.active .page-link {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--bg-dark);
}

.page-item.disabled .page-link {
    background: var(--bg-input);
    color: var(--text-muted);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero-section {
    background: var(--gradient-header);
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%23f5a623" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 200px;
    opacity: 0.3;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
}

.hero-title span {
    color: var(--accent-gold);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.3rem;
    margin-bottom: 30px;
    position: relative;
}

/* =============================================
   PAGE HEADER
   ============================================= */
.page-header {
    background: var(--gradient-header);
    padding: 120px 0 50px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.page-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--text-primary);
    margin: 0;
}

.page-title i {
    color: var(--accent-gold);
    margin-right: 15px;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 15px 0 0;
}

.breadcrumb-item {
    color: var(--text-secondary);
}

.breadcrumb-item a {
    color: var(--text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--accent-gold);
}

.breadcrumb-item.active {
    color: var(--accent-gold);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

/* =============================================
   SIDEBAR
   ============================================= */
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-card h5 {
    font-family: var(--font-display);
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

/* =============================================
   STATS / NÚMEROS
   ============================================= */
.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--accent-gold);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 8px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

/* =============================================
   AVATAR
   ============================================= */
.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--bg-dark);
}

.avatar-lg {
    width: 100px;
    height: 100px;
    font-size: 3rem;
}

.avatar-xl {
    width: 120px;
    height: 120px;
    font-size: 3.5rem;
    border: 4px solid var(--bg-card);
    box-shadow: var(--shadow-gold);
}

/* =============================================
   FAIXAS (CORES)
   ============================================= */
.faixa-branca { background: #FFFFFF; color: #000; }
.faixa-cinza { background: #808080; color: #fff; }
.faixa-amarela { background: #FFD700; color: #000; }
.faixa-laranja { background: #FF8C00; color: #000; }
.faixa-verde { background: #228B22; color: #fff; }
.faixa-azul { background: #0066CC; color: #fff; }
.faixa-roxa { background: #663399; color: #fff; }
.faixa-marrom { background: #8B4513; color: #fff; }
.faixa-preta { background: #1a1a1a; color: #fff; }
.faixa-coral { background: linear-gradient(90deg, #ff0000 50%, #fff 50%); color: #000; }
.faixa-vermelha { background: #CC0000; color: #fff; }

/* =============================================
   EMPTY STATE
   ============================================= */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* =============================================
   LOADING
   ============================================= */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 30px;
    margin-top: 60px;
}

.footer h5 {
    font-family: var(--font-display);
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer p,
.footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-links a {
    color: #c9d1d9;
    transition: var(--transition-fast);
}

.footer a:hover,
.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
    margin-top: 40px;
    text-align: center;
    color: var(--text-muted);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-input);
    border-radius: 50%;
    color: var(--text-secondary);
    margin: 0 5px;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-gold);
    color: var(--bg-dark);
}

/* =============================================
   LIST GROUP
   ============================================= */
.list-group-item {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.list-group-item:hover {
    background: var(--bg-input);
}

.list-group-item.active {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--bg-dark);
}

/* =============================================
   ACCORDION
   ============================================= */
.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.accordion-button {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background: var(--bg-input);
    color: var(--accent-gold);
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px var(--accent-gold-light);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    background: var(--bg-card);
    color: var(--text-secondary);
}

/* =============================================
   UTILITÁRIOS
   ============================================= */
.bg-dark-custom { background: var(--bg-dark) !important; }
.bg-card { background: var(--bg-card) !important; }
.bg-input { background: var(--bg-input) !important; }

.border-gold { border-color: var(--accent-gold) !important; }
.border-dark { border-color: var(--border-color) !important; }

.text-gold { color: var(--accent-gold) !important; }
.text-light-custom { color: var(--text-primary) !important; }

.rounded-lg { border-radius: 12px !important; }
.rounded-xl { border-radius: 16px !important; }

.shadow-gold { box-shadow: var(--shadow-gold) !important; }

/* Gradientes de fundo */
.bg-gradient-header { background: var(--gradient-header) !important; }
.bg-gradient-gold { background: var(--gradient-gold) !important; }

/* Glow effect */
.glow-gold {
    box-shadow: 0 0 30px rgba(245, 166, 35, 0.3);
}

/* =============================================
   RESPONSIVO
   ============================================= */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

@media (max-width: 768px) {
    .navbar-brand {
        margin-left: 0;
        margin-right: 0;
    }
    
    .navbar .container {
        justify-content: center;
    }
    
    .navbar-toggler {
        position: absolute;
        right: 15px;
    }
    
    .hero-section {
        padding: 120px 0 60px;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-tabs .nav-link {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .btn-lg {
        padding: 12px 24px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.4rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* =============================================
   SCROLLBAR CUSTOMIZADA
   ============================================= */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

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

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

/* =============================================
   SELECTION
   ============================================= */
::selection {
    background: var(--accent-gold);
    color: var(--bg-dark);
}