/* ============================================
   ACCELIANCE PROMPT BUILDER - STYLES
   Charte graphique Acceliance
   ============================================ */

:root {
    /* Acceliance Brand Colors */
    --color-primary: #0097b6;
    --color-primary-light: #cceaf0;
    --color-primary-dark: #007a94;
    --color-gray-mid: #b0aea5;
    --color-gray-light: #e8e6dc;
    
    /* Accent Colors */
    --color-accent-purple: #b60097;
    --color-accent-green: #97b600;
    --color-accent-blue: #003cb6;
    --color-accent-teal: #00b67a;
    --color-accent-red: #b61f00;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-dark: #1a1a1a;
    --color-text: #333333;
    --color-text-light: #666666;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-gray-light);
    min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-dark);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

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

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

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

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

.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.header .logo {
    max-width: 80px;
    height: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.header .subtitle {
    color: var(--color-primary-light);
    font-size: 0.95rem;
    margin-bottom: 0;
    opacity: 0.9;
}

/* ============================================
   MAIN CONTAINER
   ============================================ */

.container {
    display: flex;
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    gap: var(--spacing-lg);
}

/* ============================================
   DOCUMENTATION PANEL
   ============================================ */

.doc-panel {
    width: 350px;
    min-width: 280px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: width var(--transition-normal), min-width var(--transition-normal);
    position: sticky;
    top: var(--spacing-lg);
    max-height: calc(100vh - 2 * var(--spacing-lg));
    display: flex;
    flex-direction: column;
}

.doc-panel.collapsed {
    width: 60px;
    min-width: 60px;
}

.doc-panel.collapsed .doc-content {
    display: none;
}

.doc-panel.collapsed .doc-header h2 {
    display: none;
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white);
}

.doc-header h2 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-white);
}

.toggle-doc {
    background: transparent;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    font-size: 1rem;
    padding: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.doc-panel.collapsed .toggle-doc {
    transform: rotate(180deg);
}

.doc-content {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.doc-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
}

.doc-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.doc-section h3 {
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.doc-section h4 {
    font-size: 0.9rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.doc-section p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.doc-section ul {
    font-size: 0.85rem;
    color: var(--color-text-light);
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.doc-section li {
    margin-bottom: var(--spacing-xs);
}

.doc-section strong {
    color: var(--color-text);
}

/* ============================================
   FORM PANEL
   ============================================ */

.form-panel {
    flex: 1;
    min-width: 0;
}

.form-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.form-header h2 {
    margin: 0;
}

.actions-bar {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon {
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background: #7a9600;
    border-color: #7a9600;
}

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

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

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary);
}

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

/* ============================================
   TOGGLE BUTTONS (OPTIONAL SECTIONS)
   ============================================ */

.optional-toggles {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.optional-toggles h3 {
    margin-bottom: var(--spacing-xs);
}

.toggle-hint {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.toggle-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--color-gray-light);
    color: var(--color-text);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

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

.toggle-icon {
    font-size: 1rem;
}

/* ============================================
   FORM SECTIONS
   ============================================ */

.form-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    animation: fadeIn var(--transition-normal);
}

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

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

.section-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}

.section-icon {
    font-size: 1.2rem;
}

.required-badge {
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--color-accent-red);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-sm);
}

.close-section {
    background: transparent;
    border: none;
    color: var(--color-gray-mid);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.close-section:hover {
    color: var(--color-accent-red);
}

.section-desc {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

.required-section {
    border: 2px solid var(--color-primary);
}

.prompt-attributes {
    border-left: 4px solid var(--color-accent-purple);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.form-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

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

.form-group.flex-grow {
    flex: 1;
}

label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.required {
    color: var(--color-accent-red);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="date"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-gray-mid);
}

small {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

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

select {
    cursor: pointer;
}

/* Subsections / Fieldsets */
.subsection {
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--color-gray-light);
}

.subsection legend {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary-dark);
    padding: 0 var(--spacing-sm);
}

/* Dynamic entries */
.step-entry,
.criterion-entry,
.example-entry,
.document-entry,
.variable-entry,
.tool-entry,
.eval-criterion-entry {
    margin-bottom: var(--spacing-sm);
}

.step-number,
.criterion-bullet {
    font-weight: 600;
    color: var(--color-primary);
    min-width: 25px;
}

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

.example-header h4 {
    margin: 0;
    color: var(--color-primary);
}

.quality-select {
    width: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
}

/* ============================================
   PREVIEW SECTION
   ============================================ */

.preview-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

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

.preview-header h3 {
    margin: 0;
}

.preview-options {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.escape-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--color-text-light);
    user-select: none;
}

.escape-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.escape-toggle .toggle-label {
    white-space: nowrap;
}

.escape-toggle:hover {
    color: var(--color-primary);
}

.btn-copy {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--color-accent-teal);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: #009968;
    transform: translateY(-1px);
}

.btn-copy.copied {
    background: var(--color-accent-green);
}

.preview-section h3 {
    margin-bottom: var(--spacing-md);
}

.preview-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.preview-tab {
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--color-gray-light);
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preview-tab:hover {
    background: var(--color-primary-light);
}

.preview-tab.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.preview-content {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    max-height: 400px;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

.preview-wrapper {
    position: relative;
}

.copy-overlay-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.preview-wrapper:hover .copy-overlay-btn {
    opacity: 1;
}

.copy-overlay-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.copy-overlay-btn.copied {
    background: var(--color-accent-green);
    border-color: var(--color-accent-green);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */

.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--color-accent-green);
}

.toast.error {
    background: var(--color-accent-red);
}

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

.footer {
    background: var(--color-dark);
    color: var(--color-gray-mid);
    text-align: center;
    padding: var(--spacing-lg);
}

.footer p {
    margin: var(--spacing-xs) 0;
    font-size: 0.85rem;
}

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

/* Tablet */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
    }
    
    .doc-panel {
        width: 100%;
        position: relative;
        top: 0;
        max-height: none;
    }
    
    .doc-panel.collapsed {
        width: 100%;
    }
    
    .doc-content {
        max-height: 300px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header .logo {
        max-width: 60px;
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .form-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .actions-bar {
        justify-content: center;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row .form-group {
        min-width: 100%;
    }
    
    .toggle-buttons {
        justify-content: center;
    }
    
    .toggle-btn {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .doc-content {
        max-height: 200px;
    }
    
    .preview-content {
        font-size: 0.7rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .actions-bar {
        flex-direction: column;
    }
    
    .toggle-btn {
        flex: 1 1 calc(50% - var(--spacing-xs));
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
}

/* Print */
@media print {
    .doc-panel,
    .toggle-buttons,
    .actions-bar,
    .preview-section,
    .close-section,
    .btn-small {
        display: none !important;
    }
    
    .form-section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}