/**
 * Design System - Regal SaaS Platform
 * Red Broadcast Theme
 * Deploy refresh: 2026-06-01
 * Primary: #c23023
 */

/* ============================================
   1. FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500&display=swap');

/* ============================================
   2. CSS VARIABLES - RED BROADCAST
   ============================================ */
:root {
    /* Primary - Regal Red */
    --primary: #c23023;
    --primary-hover: #a0281d;
    --primary-light: #d94a40;
    --primary-rgb: 194, 48, 35;

    /* Secondary - Link Blue */
    --secondary: #065FD4;
    --secondary-hover: #0552b5;

    /* Neutral - Gray 600 */
    --neutral: #606060;
    --neutral-light: #757575;
    --neutral-dark: #404040;

    /* Background */
    --background: #FFFFFF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F2F2F2;
    --bg-tertiary: #F2F2F2;

    /* Surface */
    --surface: #F2F2F2;

    /* Text */
    --text-primary: #0F0F0F;
    --text-secondary: #606060;
    --text-tertiary: #606060;
    --text-inverse: #FFFFFF;

    /* Border */
    --border: #E5E5E5;
    --border-color: #E5E5E5;
    --border-color-hover: #D0D0D0;

    /* States */
    --success: #2BA640;
    --success-light: #d1fae5;
    --warning: #FB8C00;
    --warning-light: #fef3c7;
    --danger: #FF0000;
    --danger-light: #fee2e2;
    --info: #c23023;
    --info-light: #fce8e8;

    /* Border Radius */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-none: none;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 32px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.2);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;

    /* Tipografia - Roboto */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Roboto Mono', monospace;

    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 500;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;

    /* Sidebar */
    --sidebar-width: 240px;
    --sidebar-collapsed: 72px;
    --sidebar-bg: #FFFFFF;
}

/* ============================================
   3. DARK MODE
   ============================================ */
[data-theme="dark"] {
    --background: #0F0F0F;
    --bg-primary: #0F0F0F;
    --bg-secondary: #1F1F1F;
    --bg-tertiary: #2F2F2F;
    --surface: #1F1F1F;

    --text-primary: #F1F1F1;
    --text-secondary: #AAAAAA;
    --text-tertiary: #888888;

    --border: #3F3F3F;
    --border-color: #3F3F3F;
    --border-color-hover: #5F5F5F;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);

    --sidebar-bg: #1F1F1F;
}

/* ============================================
   4. RESET & BASE
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: var(--line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   5. TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
}

h1 {
    font-size: 24px;
    line-height: 32px;
}

h2 {
    font-size: 20px;
    line-height: 28px;
    font-weight: var(--font-weight-medium);
}

h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

h4 {
    font-size: var(--font-size-base);
}

h5 {
    font-size: var(--font-size-sm);
}

h6 {
    font-size: var(--font-size-xs);
}

p {
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-normal);
}

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

a:hover {
    color: var(--secondary-hover);
}

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    height: 40px;
    padding: 0 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: border-color var(--transition-fast);
}

.form-textarea {
    height: auto;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input.error {
    border-color: var(--danger);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

/* ============================================
   7. BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 20px;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--border);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--surface);
}

.btn-success {
    background-color: var(--success);
    color: var(--text-inverse);
}

.btn-success:hover:not(:disabled) {
    background-color: #1f8a32;
}

.btn-danger {
    background-color: var(--danger);
    color: var(--text-inverse);
}

.btn-danger:hover:not(:disabled) {
    background-color: #cc0000;
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--surface);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ============================================
   8. CARDS
   ============================================ */
.card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   9. TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
}

.table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

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

.table-sm th,
.table-sm td {
    padding: 8px 12px;
}

/* ============================================
   10. ALERTS
   ============================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: var(--success-light);
    color: #065f46;
    border: 1px solid var(--success);
}

.alert-warning {
    background-color: var(--warning-light);
    color: #92400e;
    border: 1px solid var(--warning);
}

.alert-danger {
    background-color: var(--danger-light);
    color: #991b1b;
    border: 1px solid var(--danger);
}

.alert-info {
    background-color: var(--info-light);
    color: var(--primary);
    border: 1px solid var(--primary);
}

/* ============================================
   11. BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-xs);
    text-transform: none;
    letter-spacing: 0;
}

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

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

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

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

/* ============================================
   12. LAYOUT - SIDEBAR
   ============================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: var(--z-sticky);
    transition: width var(--transition-normal);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    background-color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-bold);
}

.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

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

.sidebar-section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-tertiary);
    text-transform: none;
    letter-spacing: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 6px var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.sidebar-link:hover {
    background-color: var(--surface);
    color: var(--text-primary);
}

.sidebar-link.active {
    background-color: var(--surface);
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-xl);
    transition: margin-left var(--transition-normal);
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed);
}

/* ============================================
   13. PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pagination-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color-hover);
}

.pagination-item.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ============================================
   14. MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

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

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ============================================
   15. UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-danger {
    color: var(--danger);
}

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

.bg-secondary {
    background-color: var(--bg-secondary);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

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

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

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ============================================
   16. RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        width: var(--sidebar-collapsed);
    }

    .sidebar-title {
        display: none;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        width: var(--sidebar-width);
    }

    .main-content {
        margin-left: 0;
    }
}