/**
 * ============================================
 * GRC FORGE - Styles Principaux
 * ============================================
 * Version: 2.0.0
 * Ce fichier contient tous les styles de base
 * pour une apparence cohérente sur toute la plateforme.
 * ============================================
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Couleurs principales */
    --color-primary: #f97316;
    --color-primary-light: #fb923c;
    --color-primary-dark: #ea580c;
    --color-secondary: #3b82f6;
    --color-secondary-light: #60a5fa;
    --color-secondary-dark: #2563eb;
    
    /* Couleurs sémantiques */
    --color-success: #22c55e;
    --color-success-light: #4ade80;
    --color-warning: #eab308;
    --color-warning-light: #facc15;
    --color-danger: #ef4444;
    --color-danger-light: #f87171;
    --color-info: #06b6d4;
    
    /* Neutres */
    --color-dark: #0f172a;
    --color-dark-lighter: #1e293b;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    
    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Espacements */
    --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: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-glow-primary: 0 0 20px rgba(249,115,22,0.3);
    --shadow-glow-secondary: 0 0 20px rgba(59,130,246,0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::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: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-300);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-lighter) 50%, var(--color-dark) 100%);
    min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-light);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

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

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

strong { font-weight: 600; }
small { font-size: 0.875rem; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-muted { color: var(--color-gray-500); }
.text-light { color: var(--color-light); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-primary);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: var(--color-white);
}

.btn-secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-secondary);
}

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

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

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

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

.btn-ghost {
    background: rgba(255,255,255,0.05);
    color: var(--color-gray-300);
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(255,255,255,0.1);
    color: var(--color-light);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: rgba(30,41,59,0.8);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.card-hover {
    transition: all var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(249,115,22,0.3);
}

.card-header {
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-light);
    margin: 0;
}

.card-body {
    flex: 1;
}

.card-footer {
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-300);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--color-light);
    background: rgba(15,23,42,0.8);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    color-scheme: dark;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.2);
}

.form-input::placeholder {
    color: var(--color-gray-500);
}

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

.form-error {
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--color-danger);
}

.form-hint {
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
}

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

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.table th {
    background: rgba(15,23,42,0.5);
    font-weight: 600;
    color: var(--color-gray-300);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    color: var(--color-gray-200);
}

.table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: rgba(249,115,22,0.2);
    color: var(--color-primary-light);
}

.badge-secondary {
    background: rgba(59,130,246,0.2);
    color: var(--color-secondary-light);
}

.badge-success {
    background: rgba(34,197,94,0.2);
    color: var(--color-success-light);
}

.badge-warning {
    background: rgba(234,179,8,0.2);
    color: var(--color-warning-light);
}

.badge-danger {
    background: rgba(239,68,68,0.2);
    color: var(--color-danger-light);
}

.badge-info {
    background: rgba(6,182,212,0.2);
    color: var(--color-info);
}

/* Plan badges */
.plan-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.plan-badge-free { background: var(--color-gray-600); color: var(--color-white); }
.plan-badge-discovery { background: var(--color-secondary); color: var(--color-white); }
.plan-badge-foundation { background: var(--color-success); color: var(--color-white); }
.plan-badge-professional { background: #a855f7; color: var(--color-white); }
.plan-badge-expert { background: linear-gradient(135deg, var(--color-primary), #fbbf24); color: var(--color-white); }
.plan-badge-enterprise { background: linear-gradient(135deg, #a855f7, #ec4899); color: var(--color-white); }

/* ============================================
   ALERTS
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-success {
    background: rgba(34,197,94,0.1);
    border: 1px solid rgba(34,197,94,0.3);
    color: var(--color-success);
}

.alert-warning {
    background: rgba(234,179,8,0.1);
    border: 1px solid rgba(234,179,8,0.3);
    color: var(--color-warning);
}

.alert-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--color-danger);
}

.alert-info {
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.3);
    color: var(--color-secondary);
}

/* ============================================
   MODALS
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: var(--color-dark-lighter);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-light);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-gray-400);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-light);
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ============================================
   PROGRESS
   ============================================ */
.progress {
    height: 0.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-lg {
    height: 0.75rem;
}

/* ============================================
   TABS
   ============================================ */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: var(--spacing-lg);
}

.tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-400);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.tab:hover {
    color: var(--color-gray-200);
}

.tab.active {
    color: var(--color-primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================
   TOOLTIPS
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-gray-800);
    color: var(--color-light);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   GRID & LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ============================================
   SPACING UTILITIES
   ============================================ */
.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-sm); }
.m-2 { margin: var(--spacing-md); }
.m-3 { margin: var(--spacing-lg); }
.m-4 { margin: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* ============================================
   DISPLAY UTILITIES
   ============================================ */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    animation: fadeIn var(--transition-slow) ease;
}

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

.slide-up {
    animation: slideUp var(--transition-slow) ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
}