/**
 * Powerball AI Forecast Dashboard Styles
 * Claude-Inspired Design System
 *
 * @package PowerballAIForecast
 * @since 1.0.0
 */

/* ============================================
   VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* Colors - Claude Inspired */
    --paf-primary: #667eea;
    --paf-primary-dark: #5568d3;
    --paf-secondary: #764ba2;
    --paf-accent: #f093fb;
    --paf-accent-dark: #f5576c;

    /* Grayscale */
    --paf-gray-50: #f9fafb;
    --paf-gray-100: #f3f4f6;
    --paf-gray-200: #e5e7eb;
    --paf-gray-300: #d1d5db;
    --paf-gray-400: #9ca3af;
    --paf-gray-500: #6b7280;
    --paf-gray-600: #4b5563;
    --paf-gray-700: #374151;
    --paf-gray-800: #1f2937;
    --paf-gray-900: #111827;

    /* Status Colors */
    --paf-success: #10b981;
    --paf-warning: #f59e0b;
    --paf-error: #ef4444;
    --paf-info: #3b82f6;

    /* Spacing */
    --paf-spacing-xs: 0.25rem;
    --paf-spacing-sm: 0.5rem;
    --paf-spacing-md: 1rem;
    --paf-spacing-lg: 1.5rem;
    --paf-spacing-xl: 2rem;
    --paf-spacing-2xl: 3rem;

    /* Border Radius */
    --paf-radius-sm: 0.375rem;
    --paf-radius-md: 0.5rem;
    --paf-radius-lg: 0.75rem;
    --paf-radius-xl: 1rem;
    --paf-radius-full: 9999px;

    /* Shadows */
    --paf-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --paf-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --paf-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --paf-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Typography */
    --paf-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --paf-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

/* ============================================
   DASHBOARD CONTAINER
   ============================================ */
.paf-dashboard {
    font-family: var(--paf-font-sans);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--paf-spacing-xl);
    color: var(--paf-gray-900);
    line-height: 1.6;
}

/* ============================================
   HEADER
   ============================================ */
.paf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--paf-spacing-2xl);
    padding-bottom: var(--paf-spacing-xl);
    border-bottom: 2px solid var(--paf-gray-200);
}

.paf-header-content {
    flex: 1;
}

.paf-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 var(--paf-spacing-sm) 0;
    color: var(--paf-gray-900);
    display: flex;
    align-items: center;
    gap: var(--paf-spacing-md);
}

.paf-icon {
    font-size: 2.5rem;
}

.paf-subtitle {
    font-size: 1rem;
    color: var(--paf-gray-600);
    margin: 0;
}

.paf-header-actions {
    display: flex;
    gap: var(--paf-spacing-md);
}

/* ============================================
   BUTTONS
   ============================================ */
.paf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--paf-spacing-sm) var(--paf-spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--paf-radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.paf-btn-primary {
    background: linear-gradient(135deg, var(--paf-primary) 0%, var(--paf-secondary) 100%);
    color: white;
    box-shadow: var(--paf-shadow-md);
}

.paf-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--paf-shadow-lg);
}

.paf-btn-primary:active {
    transform: translateY(0);
}

.paf-btn-secondary {
    background: white;
    color: var(--paf-primary);
    border: 2px solid var(--paf-primary);
}

.paf-btn-secondary:hover {
    background: var(--paf-gray-50);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: white;
    border-radius: var(--paf-radius-lg);
    padding: var(--paf-spacing-xl);
    margin-bottom: var(--paf-spacing-lg);
    box-shadow: var(--paf-shadow-md);
    border: 1px solid var(--paf-gray-200);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: var(--paf-shadow-lg);
}

.paf-metadata-card {
    background: white;
    border-radius: var(--paf-radius-lg);
    padding: var(--paf-spacing-lg);
    margin-bottom: var(--paf-spacing-xl);
    box-shadow: var(--paf-shadow-md);
    border: 1px solid var(--paf-gray-200);
}

.paf-metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--paf-spacing-lg);
}

.paf-metadata-item {
    display: flex;
    flex-direction: column;
    gap: var(--paf-spacing-xs);
}

.paf-metadata-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--paf-gray-500);
}

.paf-metadata-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--paf-gray-900);
}

/* ============================================
   SECTIONS
   ============================================ */
.paf-section {
    margin-bottom: var(--paf-spacing-2xl);
}

.paf-section-header {
    margin-bottom: var(--paf-spacing-lg);
}

.paf-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--paf-spacing-sm) 0;
    color: var(--paf-gray-900);
    display: flex;
    align-items: center;
    gap: var(--paf-spacing-md);
}

.paf-section-description {
    font-size: 0.875rem;
    color: var(--paf-gray-600);
    margin: 0;
}

/* ============================================
   BADGES
   ============================================ */
.paf-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--paf-spacing-xs) var(--paf-spacing-sm);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--paf-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.paf-badge-free {
    background: linear-gradient(135deg, var(--paf-success) 0%, #059669 100%);
    color: white;
}

.paf-badge-premium {
    background: linear-gradient(135deg, var(--paf-accent) 0%, var(--paf-accent-dark) 100%);
    color: white;
}

/* ============================================
   FORECAST CARDS
   ============================================ */
.paf-forecast-card {
    background: white;
    border-radius: var(--paf-radius-lg);
    padding: var(--paf-spacing-xl);
    box-shadow: var(--paf-shadow-lg);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.paf-forecast-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--paf-shadow-xl);
}

.paf-forecast-free {
    border-color: var(--paf-success);
    background: linear-gradient(to bottom, white 0%, #f0fdf4 100%);
}

.paf-forecast-premium {
    border-color: var(--paf-accent);
    background: linear-gradient(to bottom, white 0%, #fdf4ff 100%);
}

.paf-forecast-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--paf-spacing-lg);
}

.paf-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--paf-spacing-lg);
    padding-bottom: var(--paf-spacing-md);
    border-bottom: 2px solid var(--paf-gray-100);
}

.paf-set-number {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--paf-primary);
}

.paf-modification-badge {
    font-size: 0.625rem;
    padding: 2px 6px;
    background: var(--paf-gray-100);
    color: var(--paf-gray-600);
    border-radius: var(--paf-radius-sm);
    font-weight: 600;
    text-transform: uppercase;
}

/* ============================================
   NUMBER DISPLAYS
   ============================================ */
.paf-numbers-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--paf-spacing-lg);
    flex-wrap: wrap;
    gap: var(--paf-spacing-md);
}

.paf-numbers-main {
    display: flex;
    gap: var(--paf-spacing-sm);
    flex-wrap: wrap;
}

.paf-numbers-powerball {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--paf-spacing-xs);
}

.paf-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--paf-radius-full);
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: var(--paf-shadow-md);
    transition: transform 0.2s ease;
}

.paf-number:hover {
    transform: scale(1.1);
}

.paf-number-main {
    background: linear-gradient(135deg, var(--paf-primary) 0%, var(--paf-secondary) 100%);
    color: white;
}

.paf-number-pb {
    background: linear-gradient(135deg, var(--paf-accent) 0%, var(--paf-accent-dark) 100%);
    color: white;
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
}

.paf-pb-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--paf-gray-500);
    letter-spacing: 0.1em;
}

/* ============================================
   CONFIDENCE BARS
   ============================================ */
.paf-confidence {
    margin-bottom: var(--paf-spacing-md);
}

.paf-confidence-bar {
    height: 8px;
    background: var(--paf-gray-200);
    border-radius: var(--paf-radius-full);
    overflow: hidden;
    margin-bottom: var(--paf-spacing-xs);
}

.paf-confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--paf-success) 0%, var(--paf-primary) 100%);
    transition: width 0.5s ease;
    border-radius: var(--paf-radius-full);
}

.paf-confidence-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--paf-gray-600);
}

/* ============================================
   REASONING
   ============================================ */
.paf-reasoning {
    background: var(--paf-gray-50);
    border-left: 4px solid var(--paf-primary);
    padding: var(--paf-spacing-md);
    border-radius: var(--paf-radius-sm);
    font-size: 0.875rem;
    color: var(--paf-gray-700);
}

.paf-reasoning strong {
    color: var(--paf-gray-900);
    display: block;
    margin-bottom: var(--paf-spacing-xs);
}

.paf-reasoning p {
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   EMPTY STATES
   ============================================ */
.paf-empty-state,
.paf-premium-empty,
.paf-login-prompt {
    text-align: center;
    padding: var(--paf-spacing-2xl);
    background: white;
    border-radius: var(--paf-radius-lg);
    box-shadow: var(--paf-shadow-md);
    border: 2px dashed var(--paf-gray-300);
}

.paf-empty-icon,
.paf-prompt-icon {
    font-size: 4rem;
    margin-bottom: var(--paf-spacing-md);
}

.paf-empty-state h2,
.paf-empty-state h3,
.paf-premium-empty h3,
.paf-login-prompt h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--paf-spacing-sm) 0;
    color: var(--paf-gray-900);
}

.paf-empty-state p,
.paf-premium-empty p,
.paf-login-prompt p {
    color: var(--paf-gray-600);
    margin-bottom: var(--paf-spacing-lg);
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.paf-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.paf-spinner {
    width: 64px;
    height: 64px;
    border: 4px solid var(--paf-gray-200);
    border-top-color: var(--paf-primary);
    border-radius: var(--paf-radius-full);
    animation: paf-spin 1s linear infinite;
}

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

.paf-loading-text {
    margin-top: var(--paf-spacing-lg);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .paf-dashboard {
        padding: var(--paf-spacing-md);
    }

    .paf-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--paf-spacing-md);
    }

    .paf-title {
        font-size: 1.75rem;
    }

    .paf-forecast-grid {
        grid-template-columns: 1fr;
    }

    .paf-metadata-grid {
        grid-template-columns: 1fr;
    }

    .paf-number {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    .paf-number-pb {
        width: 52px;
        height: 52px;
        font-size: 1.25rem;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.paf-hidden {
    display: none !important;
}

.paf-visible {
    display: block !important;
}

/* ============================================
   SUBSCRIBER DASHBOARD - CLAUDE.AI INSPIRED
   ============================================ */

/* Full Page App Layout */
.paf-app {
    display: flex;
    min-height: 100vh;
    background: var(--paf-gray-50);
    font-family: var(--paf-font-sans);
}

/* Sidebar Navigation */
.paf-sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid var(--paf-gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 100;
    box-shadow: var(--paf-shadow-sm);
}

.paf-sidebar-header {
    padding: var(--paf-spacing-xl);
    border-bottom: 1px solid var(--paf-gray-200);
}

.paf-brand {
    display: flex;
    align-items: center;
    gap: var(--paf-spacing-md);
}

.paf-brand-icon {
    font-size: 2rem;
}

.paf-brand-text {
    flex: 1;
}

.paf-brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--paf-gray-900);
    line-height: 1.2;
}

.paf-brand-subtitle {
    font-size: 0.75rem;
    color: var(--paf-gray-500);
    margin-top: 2px;
}

/* Sidebar Content */
.paf-sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--paf-spacing-lg);
}

.paf-nav-section {
    margin-bottom: var(--paf-spacing-xl);
}

.paf-nav-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--paf-gray-500);
    margin-bottom: var(--paf-spacing-sm);
    padding: 0 var(--paf-spacing-sm);
}

.paf-nav-item {
    display: flex;
    align-items: center;
    gap: var(--paf-spacing-md);
    padding: var(--paf-spacing-sm) var(--paf-spacing-md);
    border-radius: var(--paf-radius-md);
    color: var(--paf-gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
    margin-bottom: 4px;
}

.paf-nav-item:hover {
    background: var(--paf-gray-100);
    color: var(--paf-gray-900);
}

.paf-nav-item.active {
    background: linear-gradient(135deg, var(--paf-primary) 0%, var(--paf-secondary) 100%);
    color: white;
    box-shadow: var(--paf-shadow-sm);
}

.paf-nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Main Content Area */
.paf-main {
    flex: 1;
    margin-left: 280px;
    padding: var(--paf-spacing-2xl);
    min-height: 100vh;
}

.paf-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Mobile Header (shown on small screens) */
.paf-mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    border-bottom: 1px solid var(--paf-gray-200);
    padding: 0 var(--paf-spacing-lg);
    align-items: center;
    justify-content: space-between;
    z-index: 110;
    box-shadow: var(--paf-shadow-sm);
}

.paf-menu-toggle {
    background: none;
    border: none;
    padding: var(--paf-spacing-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.paf-hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--paf-gray-700);
    transition: all 0.2s;
}

.paf-menu-toggle.active .paf-hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.paf-menu-toggle.active .paf-hamburger:nth-child(2) {
    opacity: 0;
}

.paf-menu-toggle.active .paf-hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.paf-mobile-title {
    display: flex;
    align-items: center;
    gap: var(--paf-spacing-sm);
    font-weight: 600;
    color: var(--paf-gray-900);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .paf-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .paf-sidebar.active {
        transform: translateX(0);
    }

    .paf-mobile-header {
        display: flex;
    }

    .paf-main {
        margin-left: 0;
        padding-top: calc(60px + var(--paf-spacing-xl));
    }
}

@media (max-width: 768px) {
    .paf-main {
        padding: calc(60px + var(--paf-spacing-lg)) var(--paf-spacing-lg) var(--paf-spacing-lg);
    }

    .paf-content {
        padding: 0;
    }

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

/* Dashboard Header */
.paf-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-spacing-xs) 0;
}

.paf-header .paf-subtitle {
    font-size: 1rem;
    color: var(--paf-gray-600);
    margin: 0;
}

/* Sidebar Footer */
.paf-sidebar-footer {
    padding: var(--paf-spacing-lg);
    border-top: 1px solid var(--paf-gray-200);
}