/**
 * Devis Maçonnerie RKMG - Styles
 * Design : Sombre avec accents orange/doré
 */

/* =============================================================================
   VARIABLES & RESET
   ============================================================================= */

:root {
    /* Couleurs principales */
    --color-bg: #1a1a2e;
    --color-bg-light: #16213e;
    --color-bg-card: #1f2937;
    --color-bg-input: #374151;
    
    /* Accents */
    --color-primary: #e67e22;
    --color-primary-dark: #d35400;
    --color-primary-light: #f39c12;
    
    /* Texte */
    --color-text: #f3f4f6;
    --color-text-muted: #9ca3af;
    --color-text-light: #d1d5db;
    
    /* États */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Autres */
    --color-border: #374151;
    --color-border-light: #4b5563;
    
    /* Typographie */
    --font-main: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Espacements */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Arrondis */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

/* =============================================================================
   LAYOUT
   ============================================================================= */

.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =============================================================================
   HEADER
   ============================================================================= */

.header {
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.header-contact .phone {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition-fast);
}

.header-contact .phone:hover {
    color: var(--color-primary-light);
}

/* =============================================================================
   HERO
   ============================================================================= */

.hero {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

.hero h1 {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero p {
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.7;
}

/* =============================================================================
   PROGRESS BAR
   ============================================================================= */

.progress-bar {
    margin-bottom: var(--spacing-xl);
}

.progress-track {
    height: 4px;
    background: var(--color-bg-input);
    border-radius: 2px;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 2px;
    width: 20%;
    transition: width var(--transition-normal);
}

.steps {
    display: flex;
    justify-content: space-between;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.5;
    transition: var(--transition-normal);
}

.step.active, .step.completed {
    opacity: 1;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    border: 2px solid var(--color-border);
    transition: var(--transition-normal);
}

.step.active .step-number {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.step.completed .step-number {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

.step.completed .step-number::after {
    content: '✓';
}

.step span:last-child {
    font-size: 12px;
    color: var(--color-text-muted);
}

.step.active span:last-child {
    color: var(--color-primary);
    font-weight: 500;
}

/* =============================================================================
   WIZARD
   ============================================================================= */

.wizard-container {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
}

.wizard-step {
    display: none;
    animation: fadeIn 0.3s ease;
}

.wizard-step.active {
    display: block;
}

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

.wizard-step h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.wizard-step h3 {
    font-size: 18px;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--color-text);
}

/* =============================================================================
   FORMS
   ============================================================================= */

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

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

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.label .required {
    color: var(--color-error);
}

.label .optional {
    color: var(--color-text-muted);
    font-weight: 400;
    font-size: 12px;
}

.input {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.2);
}

.input::placeholder {
    color: var(--color-text-muted);
}

.textarea {
    resize: vertical;
    min-height: 80px;
}

.input-unit {
    display: flex;
    align-items: stretch;
}

.input-unit .input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.input-unit .unit {
    background: var(--color-border);
    padding: 12px 16px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 14px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.input-icon {
    position: relative;
}

.input-icon .input {
    padding-right: 45px;
}

.input-icon .icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}

.hint {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* =============================================================================
   CARD SELECT
   ============================================================================= */

.card-select {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.card-option {
    cursor: pointer;
}

.card-option input {
    display: none;
}

.card-content {
    background: var(--color-bg-input);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.card-option:hover .card-content {
    border-color: var(--color-border-light);
}

.card-option input:checked + .card-content {
    border-color: var(--color-primary);
    background: rgba(230, 126, 34, 0.1);
}

.card-icon {
    font-size: 36px;
}

.card-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--color-text);
}

.card-desc {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* =============================================================================
   RADIO CARDS
   ============================================================================= */

.radio-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-sm);
}

.radio-cards.horizontal {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 600px) {
    .radio-cards.horizontal {
        grid-template-columns: 1fr;
    }
}

.radio-card {
    cursor: pointer;
}

.radio-card input {
    display: none;
}

.radio-content {
    background: var(--color-bg-input);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: var(--transition-fast);
}

.radio-card:hover .radio-content {
    border-color: var(--color-border-light);
}

.radio-card input:checked + .radio-content {
    border-color: var(--color-primary);
    background: rgba(230, 126, 34, 0.1);
}

.radio-content strong {
    display: block;
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 2px;
}

.radio-content span {
    font-size: 12px;
    color: var(--color-text-muted);
}

.radio-card.warning .radio-content {
    border-color: var(--color-warning);
}

/* =============================================================================
   CHECKBOXES
   ============================================================================= */

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 15px;
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    min-width: 22px;
    background: var(--color-bg-input);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.checkbox-label:hover .checkmark {
    border-color: var(--color-border-light);
}

.checkbox-label input:checked + .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-label a {
    color: var(--color-primary);
}

/* =============================================================================
   INFO & WARNING BOXES
   ============================================================================= */

.info-box {
    background: rgba(230, 126, 34, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.info-icon {
    font-size: 20px;
}

.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--color-warning);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    font-size: 14px;
    color: var(--color-warning);
}

/* =============================================================================
   SECTION TITLE
   ============================================================================= */

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.section-title .icon {
    font-size: 20px;
}

.separator {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-xl) 0;
}

/* =============================================================================
   RESULT TABLE
   ============================================================================= */

.result-summary {
    background: var(--color-bg-input);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.project-type {
    font-weight: 600;
    color: var(--color-primary);
}

.project-dims {
    color: var(--color-text-muted);
    font-size: 14px;
}

.result-table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.result-table th,
.result-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.result-table th {
    background: var(--color-bg-input);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-table td:nth-child(2),
.result-table td:nth-child(3),
.result-table th:nth-child(2),
.result-table th:nth-child(3) {
    text-align: center;
}

.result-table td:nth-child(4),
.result-table td:nth-child(5),
.result-table th:nth-child(4),
.result-table th:nth-child(5) {
    text-align: right;
}

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

.result-table .category-row td {
    background: var(--color-bg-input);
    font-weight: 600;
    color: var(--color-primary);
    padding: 8px 12px;
}

/* =============================================================================
   TOTALS
   ============================================================================= */

.result-totals {
    background: var(--color-bg-input);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.total-line {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 15px;
}

.total-line.final {
    border-top: 2px solid var(--color-border);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

/* =============================================================================
   DISCLAIMER
   ============================================================================= */

.disclaimer {
    background: rgba(255,255,255,0.03);
    border-left: 4px solid var(--color-warning);
    padding: var(--spacing-md);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.4);
}

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

.btn-outline:hover {
    background: rgba(230, 126, 34, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* =============================================================================
   WIZARD NAV
   ============================================================================= */

.wizard-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.wizard-nav .btn-primary {
    margin-left: auto;
}

/* =============================================================================
   SUCCESS MESSAGE
   ============================================================================= */

.success-message {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.success-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
}

.success-message h2 {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
    color: var(--color-success);
}

.success-message p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.success-message .reference {
    background: var(--color-bg-input);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.success-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* =============================================================================
   LOADING
   ============================================================================= */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* =============================================================================
   FOOTER
   ============================================================================= */

.footer {
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-text-muted);
}

.footer-contact p {
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.footer-contact a {
    color: var(--color-text);
    text-decoration: none;
}

.footer-contact a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-bottom a {
    color: var(--color-text-muted);
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 768px) {
    .wizard-container {
        padding: var(--spacing-lg);
    }
    
    .steps span:last-child {
        display: none;
    }
    
    .card-select {
        grid-template-columns: 1fr;
    }
    
    .result-table {
        font-size: 12px;
    }
    
    .result-table th,
    .result-table td {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 22px;
    }
    
    .wizard-step h2 {
        font-size: 18px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .wizard-nav {
        flex-direction: column;
    }
    
    .wizard-nav .btn {
        width: 100%;
    }
    
    .wizard-nav .btn-primary {
        margin-left: 0;
    }
}