/* ==========================================================================
   Design System - Service Économique SPA
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-color-hover: rgba(99, 102, 241, 0.25);
    
    --primary: #4f46e5;
    --primary-hover: #3730a3;
    --primary-glow: rgba(79, 70, 229, 0.1);
    
    --secondary: #0891b2;
    --secondary-hover: #0e7490;
    --secondary-glow: rgba(8, 145, 178, 0.1);
    
    --accent: #7c3aed;
    --accent-glow: rgba(124, 58, 237, 0.1);
    
    --success: #059669;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dark: #f8fafc;
    
    /* Typography */
    --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Shadows & Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 6px 16px rgba(15, 23, 42, 0.06);
    --shadow-glow: none;
    --glass-blur: none;
    
    /* Transitions */
    --transition-fast: 0.08s ease;
    --transition-normal: 0.12s ease;
    --transition-slow: 0.18s ease;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    padding-bottom: 3rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.025em;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.01);
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.25);
}

/* App Header */
header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem 2rem;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.15);
}

.logo-icon i {
    color: white;
    font-size: 1.25rem;
}

.brand-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--text-main), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-heading);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}


/* Dashboard Layout */
.dashboard {
    max-width: 1600px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .dashboard {
        grid-template-columns: 1fr 1fr;
    }
}

.column-section {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    gap: 1rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title h2 {
    font-size: 1.35rem;
    font-weight: 700;
}

.section-title .badge {
    background: rgba(15, 23, 42, 0.06);
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Filters & Search Controls */
.controls-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.search-wrapper {
    position: relative;
    width: 100%;
}

.search-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.search-input {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.75rem;
}

.select-input, .number-input {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.65rem 0.85rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-normal);
    width: 100%;
}

.select-input:focus, .number-input:focus {
    border-color: var(--primary);
}

/* Card Lists styling */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 700px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

/* Card Component */
.item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    position: relative;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.item-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg);
    background: var(--bg-card-hover);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

.card-subtitle {
    font-size: 0.825rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.15rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

/* Badges */
.badge-status {
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-status.active {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.badge-status.inactive {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.badge-status.warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.badge-tag {
    background: rgba(15, 23, 42, 0.04);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-tag.surface {
    background: var(--secondary-glow);
    color: var(--secondary);
    border-color: rgba(6, 182, 212, 0.2);
}

.badge-tag.type {
    background: var(--accent-glow);
    color: var(--accent);
    border-color: rgba(139, 92, 246, 0.2);
}

/* Card Body Details */
.card-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    font-size: 0.85rem;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    padding-top: 0.75rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.detail-item i {
    color: var(--text-muted);
    margin-top: 0.2rem;
    width: 16px;
    text-align: center;
}

.detail-item .value {
    color: var(--text-main);
}

.detail-item .label {
    color: var(--text-muted);
    font-weight: 500;
}

.detail-text-block {
    font-size: 0.825rem;
    background: rgba(15, 23, 42, 0.02);
    border: 1px solid rgba(15, 23, 42, 0.04);
    border-radius: 8px;
    padding: 0.6rem;
    margin-top: 0.3rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.4;
}

.card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    padding-top: 0.75rem;
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-radius: 10px;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast) ease-in-out;
    outline: none;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--accent));
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.2);
}

.btn-secondary:hover {
    background: var(--secondary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(6, 182, 212, 0.35);
}

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

.btn-outline:hover {
    background: rgba(15, 23, 42, 0.04);
    border-color: var(--border-color-hover);
}

.btn-danger-outline {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.btn-danger-outline:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
}

.btn-icon-only {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 8px;
    font-size: 0.85rem;
}

.btn-llm {
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    color: white;
    font-weight: 700;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}

.btn-llm::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
    transform: skewX(-25deg);
    transition: 0.75s;
}

.btn-llm:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.5), 0 0 10px rgba(139, 92, 246, 0.4);
}

.btn-llm:hover::after {
    left: 125%;
}

.btn-copilot {
    background: linear-gradient(135deg, #06b6d4, #3b82f6, #6366f1);
    color: white;
    font-weight: 700;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-copilot:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5), 0 0 10px rgba(6, 182, 212, 0.4);
}

/* Sliding Drawer Component */
.drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 15, 25, 0.55);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 550px;
    height: 100vh;
    background: #ffffff;
    border-left: 1px solid var(--border-color);
    box-shadow: -10px 0 30px rgba(15, 23, 42, 0.05);
    z-index: 101;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.drawer.active {
    transform: translateX(0);
}

.drawer-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.drawer-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.drawer-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.drawer-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    background: #f8fafc;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.7rem 0.9rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1000;
    max-width: 400px;
}

.toast {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.85rem 1.25rem;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    font-size: 0.9rem;
    transform: translateY(100px);
    opacity: 0;
    animation: slideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-success i {
    color: var(--success);
}

.toast-error {
    border-left: 4px solid var(--danger);
}

.toast-error i {
    color: var(--danger);
}

.toast-info {
    border-left: 4px solid var(--secondary);
}

.toast-info i {
    color: var(--secondary);
}

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

.toast.fade-out {
    animation: fadeOut 0.4s cubic-bezier(0.4, 0, 1, 1) forwards;
}

@keyframes fadeOut {
    to {
        transform: translateY(-20px);
        opacity: 0;
    }
}

/* Empty State Styling */
.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    border: 2px dashed rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2.5rem;
    color: rgba(15, 23, 42, 0.2);
}

.empty-state p {
    font-size: 0.875rem;
}

/* Helper spacing utility */
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.text-right { text-align: right; }

/* User Badge in Header */
.user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(15, 23, 42, 0.03);
    padding: 0.45rem 0.85rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    transition: all var(--transition-fast) ease-in-out;
}

.user-badge i {
    color: var(--primary);
    font-size: 1rem;
}

.user-badge .user-name {
    color: var(--text-main);
    font-weight: 600;
}

.btn-logout {
    border-color: rgba(239, 68, 68, 0.3) !important;
    color: var(--danger) !important;
}

.btn-logout:hover {
    background: var(--danger-bg) !important;
    border-color: var(--danger) !important;
}

/* Login Page Layout */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1.5rem;
}

.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    transition: border-color var(--transition-normal);
}

.glass-panel:hover {
    border-color: var(--border-color-hover);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    header {
        padding: 1rem;
    }
    .header-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .header-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .dashboard {
        padding: 0 1rem;
        margin-top: 1rem;
    }
    .drawer {
        width: 100%;
    }
    .form-group.row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .form-group.row .form-group {
        margin-bottom: 1.25rem;
    }
    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
}