/* ============================================
   BizLoc - Design System CSS
   ============================================ */

/* === Variables CSS === */
:root {
    /* Couleurs principales */
    --brand-bg: #e8e6f0;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;

    /* Couleurs neutres */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;

    /* Typographie */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;

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

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* === Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--gray-50);
}

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
    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;
}

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

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

a:hover {
    text-decoration: underline;
}

/* === Layout === */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* === Navbar === */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-logo {
    color: var(--primary);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.navbar-item {
    color: var(--gray-700);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.navbar-item:hover {
    background: var(--gray-100);
    text-decoration: none;
}

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

/* === Footer === */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* === Auth Pages === */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-bg);
    padding: var(--spacing-md);
}

.auth-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
}

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

.auth-header h1 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.subtitle {
    color: var(--gray-500);
    font-size: 0.875rem;
}

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

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    text-decoration: none;
}

.btn-secondary {
    background: var(--gray-500);
    color: white;
}

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

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

.btn-block {
    display: block;
    width: 100%;
}

/* === Alerts === */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #cffafe;
    color: #164e63;
    border-left: 4px solid var(--info);
}

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

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

/* === Responsive === */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

/* === ANTIGRAVITY - Premium Additions === */
.bg-gradient-form {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.shadow-card {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.animate-slide-in {
    animation: slideInUp 0.5s ease-out forwards;
}

/* Smart Floating Labels Fixes */
.peer:placeholder-shown~label {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.5;
    transform: translateY(0.5rem);
}

.peer:focus~label,
.peer:not(:placeholder-shown)~label {
    font-size: 0.625rem;
    font-weight: 900;
    opacity: 0.8;
    transform: translateY(-0.75rem);
}