/* ============================================================
   PARKTO CRM - DESIGN SYSTEM MINIMALISTE
   Inspiré de : Apple, Notion, Airbnb
   ============================================================ */

/* ==================== VARIABLES ==================== */
:root {
    /* Couleurs principales */
    --color-white: #FFFFFF;
    --color-black: #1A1A1A;
    --color-blue: #3B82F6;
    
    /* Couleurs grises (neutrals) */
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F7F7F7;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    
    /* Couleurs sémantiques */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    
    /* Espacements */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typographie */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --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;
    
    /* Dimensions */
    --sidebar-width: 240px;
    --header-height: 64px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==================== LAYOUT ==================== */
body {
    display: flex;
    min-height: 100vh;
}

/* ==================== SIDEBAR ==================== */
#sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-white);
    border-right: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

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

.sidebar-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-black);
}

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

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.nav-item.active {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.nav-item i {
    width: 20px;
    height: 20px;
}

.nav-badge {
    margin-left: auto;
    background: var(--color-danger);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}



/* ==================== MAIN CONTENT ==================== */
#main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--color-gray-50);
}

/* ==================== HEADER ==================== */
#header {
    height: var(--header-height);
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-black);
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-blue);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* ==================== PAGE CONTENT ==================== */
#page-content {
    flex: 1;
    padding: var(--spacing-xl);
}

/* ==================== LOADING STATE ==================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: var(--spacing-md);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-state p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* ==================== CARDS ==================== */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: #2563EB;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-gray-200);
}

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

.btn-ghost {
    background-color: transparent;
    color: var(--color-gray-600);
}

.btn-ghost:hover {
    background-color: var(--color-gray-100);
    color: var(--color-black);
}

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

.btn-danger:hover {
    background-color: #DC2626;
}

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

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

/* ==================== TABLES ==================== */
.table-container {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

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

thead {
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
    font-size: var(--font-size-sm);
    color: var(--color-black);
}

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

tbody tr:hover {
    background-color: var(--color-gray-50);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select,
.form-textarea,
.input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-black);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.input:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea,
textarea.input {
    resize: vertical;
    min-height: 100px;
}

select.input,
.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23737373' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 6px;
}

.badge-blue {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-blue);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-green {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-purple {
    background-color: rgba(139, 92, 246, 0.1);
    color: #7C3AED;
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-orange {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.badge-red {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.badge-gray {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

/* ==================== ONGLETS (NOUVEAU) ==================== */
.tabs-container {
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
}

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

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tab-btn:hover {
    color: var(--color-black);
    background-color: var(--color-gray-50);
}

.tab-btn.active {
    color: var(--color-blue);
    border-bottom-color: var(--color-blue);
}

.tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background-color: var(--color-danger);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
}

/* Tab content visibility */
.tab-content {
    display: none;
}

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

.tab-btn.active .tab-badge {
    background-color: var(--color-blue);
}

/* ==================== MODALS (NOUVEAU) ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-black);
}

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

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border: none;
    border-radius: var(--border-radius);
    font-size: 24px;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background-color: var(--color-gray-200);
    color: var(--color-black);
}

/* ==================== TOAST NOTIFICATIONS ==================== */
#toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    min-width: 300px;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    border-left: 3px solid var(--color-success);
}

.toast-error {
    border-left: 3px solid var(--color-danger);
}

.toast-info {
    border-left: 3px solid var(--color-blue);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.toast-message {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
}

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-gray { color: var(--color-gray-600); }
.text-blue { color: var(--color-blue); }

.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); }

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    #sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    #sidebar.open {
        transform: translateX(0);
    }
    
    #main-content {
        margin-left: 0;
    }
    
    #page-content {
        padding: var(--spacing-md);
    }
}