/**
 * Estilos do Sistema AI License
 */

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.6;
}

/* Auth Pages */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--dark);
}

.auth-header p {
    color: var(--gray);
    font-size: 14px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
    font-size: 14px;
}

.auth-form input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--gray);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.header-brand a {
    font-size: 24px;
    font-weight: bold;
    color: var(--dark);
    text-decoration: none;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

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

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

.header-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-user span {
    color: var(--dark);
    font-weight: 500;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.page-header {
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--white);
}

.page-header p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    overflow: hidden;
}

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

.card-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
}

.card-body {
    padding: 24px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    font-size: 48px;
}

.stat-info h3 {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    color: var(--dark);
    margin-bottom: 4px;
}

.stat-info small {
    font-size: 12px;
    color: var(--gray);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

/* Planos */
.planos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.plano-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.plano-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.plano-card.plano-ativo {
    border: 2px solid var(--primary);
}

.plano-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.plano-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--dark);
}

.plano-preco {
    margin-bottom: 12px;
}

.preco-valor {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary);
}

.preco-periodo {
    font-size: 16px;
    color: var(--gray);
    margin-left: 4px;
}

.plano-anual {
    font-size: 14px;
    color: var(--success);
    margin-bottom: 20px;
}

.plano-descricao {
    color: var(--gray);
    margin-bottom: 24px;
    font-size: 14px;
}

.plano-features {
    list-style: none;
    margin-bottom: 32px;
}

.plano-features li {
    padding: 8px 0;
    color: var(--dark);
    font-size: 14px;
}

/* API Key */
.api-key-container {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.api-key {
    flex: 1;
    background: var(--gray-light);
    padding: 12px 16px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    word-break: break-all;
    color: var(--dark);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert strong {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

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

.table thead {
    background: var(--gray-light);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.table tbody tr:hover {
    background: var(--gray-light);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    background: var(--gray-light);
    color: var(--dark);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

/* Text Utilities */
.text-muted {
    color: var(--gray);
    font-size: 14px;
}

/* Code */
code, pre {
    font-family: 'Courier New', monospace;
    background: var(--gray-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

pre {
    padding: 16px;
    overflow-x: auto;
    border-radius: 8px;
    margin: 12px 0;
}

pre code {
    background: transparent;
    padding: 0;
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
    font-size: 14px;
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--gray);
    font-size: 12px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .header-nav {
        gap: 15px;
    }
    
    .header-nav a {
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .planos-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
}