/* ============================================================================
   HELVETIA BUILD MANAGER - STYLE PROFESSIONNEL
   Version sobre et moderne
   ============================================================================ */

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

:root {
    /* Couleurs principales - Palette sobre */
    --primary: #2c3e50;
    --primary-dark: #1a252f;
    --primary-light: #34495e;
    --secondary: #3498db;
    --secondary-dark: #2980b9;
    --accent: #e74c3c;
    --accent-light: #ec7063;
    
    /* Couleurs fonctionnelles */
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    
    /* Neutres */
    --light: #ecf0f1;
    --lighter: #f8f9fa;
    --dark: #2c3e50;
    --darker: #1a252f;
    --gray: #95a5a6;
    --gray-light: #bdc3c7;
    --gray-dark: #7f8c8d;
    
    /* Bordures */
    --border: #dfe6e9;
    --border-light: #ecf0f1;
    --border-dark: #bdc3c7;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    
    /* Espacements */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Typographie */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--lighter);
    min-height: 100vh;
}

/* TYPOGRAPHIE */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-md);
    color: var(--primary-dark);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

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

small {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

a {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* LAYOUT */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* HEADER */
.header {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

.logo-highlight {
    color: var(--accent);
}

.version {
    font-size: 0.75rem;
    color: var(--gray);
    margin-left: var(--space-xs);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-nav {
    display: flex;
    gap: var(--space-xl);
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
    color: var(--gray-dark);
    font-weight: 500;
}

.main-nav a:hover {
    background: var(--light);
    color: var(--primary);
}

.main-nav a.active {
    background: var(--secondary);
    color: white;
}

.main-nav a.active:hover {
    background: var(--secondary-dark);
}

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

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.user-info:hover {
    background: var(--light);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--secondary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-details strong {
    font-size: 0.875rem;
}

.user-details small {
    font-size: 0.75rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: var(--shadow);
    padding: var(--space-sm) 0;
    display: none;
    z-index: 1000;
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--dark);
}

.user-dropdown a:hover {
    background: var(--light);
    color: var(--primary);
}

.user-dropdown .logout {
    color: var(--danger);
}

.user-dropdown .logout:hover {
    background: var(--danger);
    color: white;
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: var(--space-sm) 0;
}

/* MAIN CONTENT */
.main-content {
    display: flex;
    min-height: calc(100vh - 120px);
}

.sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid var(--border);
    padding: var(--space-lg);
    overflow-y: auto;
}

.content-area {
    flex: 1;
    padding: var(--space-lg);
    overflow-y: auto;
    background: var(--lighter);
}

/* SIDEBAR COMPONENTS */
.current-project,
.quick-stats,
.quick-actions,
.plan-info {
    margin-bottom: var(--space-xl);
}

.current-project h3,
.quick-stats h3,
.quick-actions h3,
.plan-info h3 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--gray-dark);
}

.project-card {
    background: var(--lighter);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: var(--space-md);
}

.project-card h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.project-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.stat:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--gray-dark);
}

.stat-value {
    font-weight: 600;
    color: var(--primary);
}

.btn-block {
    width: 100%;
    text-align: center;
    margin-bottom: var(--space-sm);
}

.plan-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: 6px;
    padding: var(--space-md);
    text-align: center;
}

.plan-card.plan-solo {
    border-color: var(--secondary);
}

.plan-card.plan-pro {
    border-color: var(--success);
}

.plan-card.plan-expert {
    border-color: var(--accent);
}

.plan-name {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.plan-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.plan-price small {
    font-size: 0.875rem;
    color: var(--gray);
}

/* CONTENT COMPONENTS */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: 0;
}

.page-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ALERTS */
.alert {
    padding: var(--space-md);
    border-radius: 4px;
    margin-bottom: var(--space-lg);
    border: 1px solid transparent;
}

.alert-success {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-info {
    background: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* CARDS & GRIDS */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-card.stat-primary { border-left: 4px solid var(--secondary); }
.stat-card.stat-success { border-left: 4px solid var(--success); }
.stat-card.stat-warning { border-left: 4px solid var(--warning); }
.stat-card.stat-info { border-left: 4px solid var(--info); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card.stat-primary .stat-icon { color: var(--secondary); background: #e3f2fd; }
.stat-card.stat-success .stat-icon { color: var(--success); background: #e8f5e9; }
.stat-card.stat-warning .stat-icon { color: var(--warning); background: #fff3e0; }
.stat-card.stat-info .stat-icon { color: var(--info); background: #e3f2fd; }

.stat-content h3 {
    font-size: 0.875rem;
    color: var(--gray-dark);
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

/* PROJECTS GRID */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--lighter);
    border-bottom: 1px solid var(--border);
}

.project-status {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-draft { background: var(--gray-light); color: var(--dark); }
.status-active { background: #d4edda; color: #155724; }
.status-completed { background: #cce5ff; color: #004085; }
.status-archived { background: #e2e3e5; color: #383d41; }

.project-actions {
    display: flex;
    gap: var(--space-sm);
}

.project-body {
    padding: var(--space-md);
}

.project-client {
    color: var(--gray-dark);
    margin-bottom: var(--space-md);
}

.project-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray);
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-budget {
    background: var(--lighter);
    padding: var(--space-md);
    border-radius: 4px;
    margin-bottom: var(--space-md);
}

.budget-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.budget-total strong {
    font-size: 1.25rem;
    color: var(--primary);
}

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.progress-fill {
    height: 100%;
    background: var(--success);
    transition: width 0.3s;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-top: 1px solid var(--border);
    background: var(--lighter);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 13px;
}

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

.btn-primary:hover {
    background: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-dark);
    color: var(--dark);
}

.btn-outline:hover {
    background: var(--light);
    border-color: var(--gray);
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: transparent;
    border: none;
    color: var(--gray-dark);
    cursor: pointer;
}

.btn-icon:hover {
    background: var(--light);
    color: var(--dark);
}

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

.form-row {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2395a5a6' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

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

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 1000;
}

.modal-overlay.show {
    display: block;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: none;
    z-index: 1001;
}

.modal.show {
    display: block;
}

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

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

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

/* TABLES */
.table-container {
    background: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

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

thead {
    background: var(--lighter);
}

th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid var(--border);
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
}

tbody tr:hover {
    background: var(--lighter);
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--gray);
}

.empty-state i {
    margin-bottom: var(--space-lg);
    color: var(--gray-light);
}

/* FOOTER */
.footer {
    background: white;
    border-top: 1px solid var(--border);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray);
    font-size: 0.875rem;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: var(--space-md);
    }
    
    .content-area {
        padding: var(--space-md);
    }
    
    .main-nav {
        gap: var(--space-md);
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }
    
    .header-center {
        order: 3;
        width: 100%;
    }
    
    .main-nav {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* UTILITIES */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }

.hidden { display: none; }
.visible { display: block; }

/* PRINT STYLES */
@media print {
    .sidebar,
    .header,
    .footer,
    .page-actions,
    .btn {
        display: none !important;
    }
    
    .main-content {
        display: block;
    }
    
    .content-area {
        padding: 0;
        background: white;
    }
    
    body {
        font-size: 12px;
    }
}