/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --tertiary-black: #2a2a2a;
    --primary-purple: #8b5cf6;
    --secondary-purple: #a855f7;
    --light-purple: #c084fc;
    --dark-purple: #7c3aed;
    --text-white: #ffffff;
    --text-gray: #d1d5db;
    --text-light-gray: #9ca3af;
    --success-green: #10b981;
    --error-red: #ef4444;
    --warning-yellow: #f59e0b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--text-white);
    min-height: 100vh;
    line-height: 1.6;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--tertiary-black);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--primary-purple), var(--light-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--primary-purple);
}

/* Botões */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-purple), var(--secondary-purple));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: var(--tertiary-black);
    color: var(--text-white);
    border: 1px solid var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--primary-purple);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--error-red);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success-green);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Cards */
.card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--tertiary-black);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.2);
}

.card-header {
    border-bottom: 1px solid var(--tertiary-black);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-light-gray);
    font-size: 0.9rem;
}

/* Formulários */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-gray);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--tertiary-black);
    border: 1px solid var(--tertiary-black);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input::placeholder {
    color: var(--text-light-gray);
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--tertiary-black);
    border: 1px solid var(--tertiary-black);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 14px;
    cursor: pointer;
}

/* Tabelas */
.table-container {
    background: rgba(26, 26, 26, 0.8);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--tertiary-black);
}

.table th {
    background: var(--tertiary-black);
    font-weight: 600;
    color: var(--primary-purple);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table tr:hover {
    background: rgba(139, 92, 246, 0.1);
}

/* Status badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-green);
    border: 1px solid var(--success-green);
}

.status-expired {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-yellow);
    border: 1px solid var(--warning-yellow);
}

.status-banned {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-red);
    border: 1px solid var(--error-red);
}

/* Dashboard stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--tertiary-black) 100%);
    border: 1px solid var(--tertiary-black);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(45deg, var(--primary-purple), var(--light-purple));
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-purple);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-gray);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Alertas */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-green);
    color: var(--success-green);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error-red);
    color: var(--error-red);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning-yellow);
    color: var(--warning-yellow);
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 50%, var(--primary-black) 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--tertiary-black);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--primary-purple), var(--light-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-light-gray);
    font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .login-card {
        margin: 1rem;
        padding: 2rem;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--tertiary-black);
    border-top: 3px solid var(--primary-purple);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }