/**
 * Premium Design System - CryptSystem
 * Design elegante, profissional e leve
 * Fonte: Poppins | Paleta: Light & Blue
 */

/* ============================================
   IMPORTAÇÕES
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ============================================
   VARIÁVEIS CSS (Design Tokens)
   ============================================ */
:root {
    /* Paleta de Cores - Light & Blue */
    --bg-body: #F3F6F9;
    --bg-surface: #FFFFFF;
    --primary: #2563EB;
    --primary-light: #DBEAFE;
    --primary-dark: #1E40AF;
    --secondary: #64748B;
    --text-main: #1E293B;
    --text-secondary: #64748B;
    --border-subtle: #E2E8F0;
    --border-light: #F1F5F9;
    
    /* Estados */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --info: #06B6D4;
    --info-light: #CFFAFE;
    
    /* Sombras Suaves (Azuladas) */
    --shadow-sm: 0 2px 8px -2px rgba(37, 99, 235, 0.08);
    --shadow-md: 0 4px 20px -5px rgba(37, 99, 235, 0.1);
    --shadow-lg: 0 8px 30px -8px rgba(37, 99, 235, 0.12);
    --shadow-xl: 0 12px 40px -10px rgba(37, 99, 235, 0.15);
    
    /* Bordas */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    margin-bottom: var(--spacing-md);
}

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; }

p {
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   NAVBAR FLUTUANTE ELEGANTE
   ============================================ */
.navbar-premium {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar-premium.scrolled {
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) 0;
}

.navbar-brand-premium {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-main) !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.navbar-brand-premium svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.navbar-nav-premium .nav-link {
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--text-secondary) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    margin: 0 var(--spacing-xs);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav-premium .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}

.navbar-nav-premium .nav-link:hover {
    color: var(--primary) !important;
    background: var(--primary-light);
}

.navbar-nav-premium .nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.navbar-nav-premium .nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-light);
    font-weight: 500;
}

.navbar-nav-premium .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.btn-nav-pill {
    background: var(--primary);
    color: white !important;
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    font-weight: 500;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-nav-pill:hover {
    background: var(--primary-dark);
    color: white !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 3.5rem;
    color: var(--text-main);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* ============================================
   CARDS DE PREÇOS (PRICING)
   ============================================ */
.pricing-container {
    padding: var(--spacing-2xl) 0;
}

.pricing-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--border-subtle);
    transition: background var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    height: 4px;
}

.pricing-card.featured .pricing-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    margin-bottom: var(--spacing-xl);
}

.pricing-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.pricing-period {
    font-weight: 300;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 300;
    color: var(--text-secondary);
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.pricing-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.pricing-card.featured .pricing-btn {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

/* ============================================
   CARDS DE ESTATÍSTICAS (DASHBOARD)
   ============================================ */
.stat-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--primary-light);
    border-radius: 50%;
    transform: translate(30%, -30%);
    opacity: 0.5;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.stat-icon.primary {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-icon.success {
    background: var(--success-light);
    color: var(--success);
}

.stat-icon.warning {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-icon.info {
    background: var(--info-light);
    color: var(--info);
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-label {
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 2rem;
    color: var(--text-main);
    line-height: 1;
}

/* ============================================
   TABELAS ELEGANTES
   ============================================ */
.table-premium {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
}

.table-premium thead {
    background: transparent;
}

.table-premium thead th {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 2px solid var(--border-subtle);
    border-top: none;
}

.table-premium tbody td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    font-weight: 300;
    color: var(--text-main);
    vertical-align: middle;
}

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

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

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

/* ============================================
   BOTÕES PREMIUM
   ============================================ */
.btn-premium {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

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

.btn-premium-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    color: white;
}

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

.btn-premium-outline:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

/* ============================================
   CARDS PREMIUM
   ============================================ */
.card-premium {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card-premium:hover {
    box-shadow: var(--shadow-md);
}

.card-premium-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.card-premium-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-main);
    margin: 0;
}

.card-premium-body {
    padding: var(--spacing-lg);
}

/* ============================================
   BADGES PREMIUM
   ============================================ */
.badge-premium {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-premium-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-premium-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-premium-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-premium-danger {
    background: var(--danger-light);
    color: var(--danger);
}

/* ============================================
   FORMULÁRIOS PREMIUM
   ============================================ */
.form-control-premium {
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-main);
    transition: all var(--transition-fast);
}

.form-control-premium:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-label-premium {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-main);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-premium {
    box-shadow: var(--shadow-md);
}

.shadow-premium-lg {
    box-shadow: var(--shadow-lg);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .navbar-nav-premium .nav-link {
        padding: var(--spacing-sm) !important;
    }
}

/* ============================================
   ANIMAÇÕES SUAVES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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