/* ================================================
   Quebrada Paulista Roleplay - Design System
   Modern, Minimal, Professional
   ================================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #ef4444;
    --primary-hover: #dc2626;
    --primary-light: rgba(239, 68, 68, 0.1);
    --primary-glow: rgba(239, 68, 68, 0.25);
    
    /* Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #161616;
    --bg-card-hover: #1a1a1a;
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Spacing */
    --container-max: 1200px;
    --header-height: 72px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--primary-glow);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Background Gradient */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(ellipse at top, rgba(239, 68, 68, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(239, 68, 68, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* ================================================
   Header
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: var(--radius-md);
    color: white;
}

.logo-icon svg {
    width: 20px;
    height: 20px;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link svg {
    width: 18px;
    height: 18px;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--primary-light);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-toggle:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.mobile-toggle svg {
    width: 20px;
    height: 20px;
}

/* ================================================
   Main Content
   ================================================ */
.main {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: calc(var(--header-height) + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-3xl);
    min-height: 100vh;
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.hero-logo {
    margin-bottom: var(--spacing-xl);
}

.hero-logo img {
    width: 200px;
    max-width: 80%;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.5));
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-title span {
    color: var(--primary);
}

.hero-description {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.hero-highlight {
    color: var(--primary);
    font-weight: 600;
}

/* ================================================
   Grid Cards
   ================================================ */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* Card */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-arrow {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--text-muted);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-base);
}

.card-arrow svg {
    width: 20px;
    height: 20px;
}

.card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--primary);
}

/* ================================================
   Section
   ================================================ */
.section {
    margin-bottom: var(--spacing-3xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-title svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.section-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ================================================
   Search
   ================================================ */
.search-wrapper {
    position: relative;
    max-width: 400px;
    margin-bottom: var(--spacing-xl);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-icon svg {
    width: 18px;
    height: 18px;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) * 2 + 18px);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-family: inherit;
    outline: none;
    transition: all var(--transition-fast);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ================================================
   Tables
   ================================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

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

th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

th:hover {
    background: var(--primary-light);
    color: var(--primary);
}

th .sort-icon {
    margin-left: var(--spacing-xs);
    opacity: 0.5;
}

td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

tbody tr {
    transition: background var(--transition-fast);
}

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

/* Code Cells */
code {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.8125rem;
    color: var(--primary);
    font-weight: 500;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge--secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.btn-danger {
    background: #dc2626;
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-success {
    background: #16a34a;
    color: white;
}

.btn-success:hover {
    background: #15803d;
}

/* ================================================
   Forms
   ================================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-family: inherit;
    outline: none;
    transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.footer-brand {
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-logo svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin-bottom: var(--spacing-xs);
}

.footer-credit .heart {
    color: var(--primary);
}

/* ================================================
   Empty State
   ================================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    background: var(--primary-light);
    border-radius: 50%;
    color: var(--primary);
}

.empty-state-icon svg {
    width: 32px;
    height: 32px;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* ================================================
   Admin Panel
   ================================================ */
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.admin-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-content {
    padding: var(--spacing-xl);
}

.admin-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary);
    border-radius: var(--radius-lg);
    color: white;
}

.login-logo svg {
    width: 28px;
    height: 28px;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.login-error {
    padding: var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* ================================================
   Utilities
   ================================================ */
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

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

.fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

/* ================================================
   Responsive Design - Mobile First
   ================================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }
    
    /* Mobile Navigation */
    .mobile-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        padding: var(--spacing-lg);
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    /* Hero */
    .hero {
        padding: var(--spacing-xl) 0 var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    /* Cards */
    .grid-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    /* Section */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    /* Search */
    .search-wrapper {
        max-width: 100%;
    }
    
    /* Tables - Card Layout on Mobile */
    .table-wrapper {
        border: none;
        background: transparent;
    }
    
    table, thead, tbody, tr, th, td {
        display: block;
    }
    
    thead {
        display: none;
    }
    
    tbody tr {
        margin-bottom: var(--spacing-md);
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        overflow: hidden;
    }
    
    td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }
    
    td:last-child {
        border-bottom: none;
    }
    
    td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--text-muted);
    }
    
    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Admin */
    .admin-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .admin-actions {
        flex-direction: column;
    }
    
    .admin-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .main {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .card-icon {
        width: 40px;
        height: 40px;
    }
    
    .card-icon svg {
        width: 20px;
        height: 20px;
    }
}

/* ================================================
   Print Styles
   ================================================ */
@media print {
    .header,
    .footer,
    .search-wrapper,
    .mobile-toggle {
        display: none;
    }
    
    .main {
        padding-top: 0;
    }
    
    body::before {
        display: none;
    }
}