/* CPA Platform - Estilos principales */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Colores principales - Tema oscuro financiero */
    --bg-primary: #0a0e1a;
    --bg-secondary: #131827;
    --bg-tertiary: #1a1f35;
    --bg-card: #1e2439;
    --bg-hover: #252b42;
    
    /* Acentos verdes neón (dinero/éxito) */
    --accent-green: #00ff88;
    --accent-green-dark: #00cc6a;
    --accent-green-glow: rgba(0, 255, 136, 0.15);
    
    /* Colores secundarios */
    --accent-blue: #4a9eff;
    --accent-purple: #b84aff;
    --accent-red: #ff4a6e;
    --accent-yellow: #ffd24a;
    
    /* Textos */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    /* Bordes y sombras */
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-green: 0 0 30px var(--accent-green-glow);
    
    /* Tipografía */
    --font-primary: 'Sora', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animación de fondo con partículas */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(74, 158, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* === LOGIN PAGE === */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
}

.logo-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.tagline {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.form-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: 12px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-normal);
    font-family: var(--font-primary);
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--accent-green);
    box-shadow: var(--shadow-sm);
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-primary);
    transition: var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-green-glow);
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
    color: var(--bg-primary);
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--accent-green-glow);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    text-align: center;
}

.message.success {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.message.error {
    background: rgba(255, 74, 110, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(255, 74, 110, 0.2);
}

/* === DASHBOARD === */
.dashboard {
    min-height: 100vh;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-logo {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    flex: 1;
}

.nav-item {
    padding: 14px 16px;
    margin-bottom: 4px;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition-fast);
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-hover);
    color: var(--accent-green);
    font-weight: 600;
}

.nav-icon {
    font-size: 20px;
}

.user-section {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.user-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.user-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.logout-btn {
    margin-top: 12px;
    width: 100%;
    padding: 10px;
    background: rgba(255, 74, 110, 0.1);
    border: 1px solid rgba(255, 74, 110, 0.2);
    color: var(--accent-red);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.logout-btn:hover {
    background: rgba(255, 74, 110, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
}

.page-header {
    margin-bottom: 32px;
}

.page-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 15px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-normal);
}

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

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.stat-icon.green { background: var(--accent-green-glow); color: var(--accent-green); }
.stat-icon.blue { background: rgba(74, 158, 255, 0.15); color: var(--accent-blue); }
.stat-icon.purple { background: rgba(184, 74, 255, 0.15); color: var(--accent-purple); }
.stat-icon.yellow { background: rgba(255, 210, 74, 0.15); color: var(--accent-yellow); }

.stat-value {
    font-size: 36px;
    font-weight: 800;
    font-family: var(--font-mono);
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-change {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-green);
}

.stat-change.negative { color: var(--accent-red); }

/* Content Section */
.content-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 18px;
    font-weight: 700;
}

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

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

thead {
    background: var(--bg-tertiary);
}

th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge.approved { background: var(--accent-green-glow); color: var(--accent-green); }
.badge.pending { background: rgba(255, 210, 74, 0.15); color: var(--accent-yellow); }
.badge.rejected { background: rgba(255, 74, 110, 0.15); color: var(--accent-red); }
.badge.active { background: rgba(74, 158, 255, 0.15); color: var(--accent-blue); }

/* Offers Grid */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.offer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-normal);
    cursor: pointer;
}

.offer-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-green);
}

.offer-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.offer-payout {
    font-size: 28px;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--accent-green);
}

.offer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.offer-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.offer-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.meta-tag {
    font-size: 11px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    color: var(--text-muted);
    font-weight: 600;
}

.offer-actions {
    display: flex;
    gap: 8px;
}

.btn-small {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-generate {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
    color: var(--bg-primary);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-green);
}

.btn-copy {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-copy:hover {
    background: var(--bg-hover);
}

/* Responsive */
@media (max-width: 1024px) {
    .dashboard {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .offers-grid {
        grid-template-columns: 1fr;
    }
    
    .login-box {
        padding: 32px 24px;
    }
}

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

.fade-in {
    animation: fadeIn 0.4s ease;
}

/* Loading */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--bg-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* === SISTEMA DE RETIROS === */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
    margin: 0 2px;
}

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

.btn-success:hover {
    background: rgba(0, 255, 136, 0.25);
}

.btn-danger {
    background: rgba(255, 74, 110, 0.15);
    color: var(--accent-red);
}

.btn-danger:hover {
    background: rgba(255, 74, 110, 0.25);
}