/* ==============================================
   🎨 MONTE-CARLO.CSS - VERSION ULTRA-PROFESSIONNELLE
   ✅ Fond violet tournant supprimé
   ✅ Design propre et moderne
   ✅ Optimisé pour performances
   ============================================== */

/* ============================================
   🌟 VARIABLES PERSONNALISÉES
   ============================================ */
:root {
    --ml-primary: #667eea;
    --ml-secondary: #764ba2;
    --ml-accent: #f093fb;
    --ml-success: #43e97b;
    --ml-danger: #f5576c;
    --ml-warning: #f6d365;
    
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: rgba(31, 38, 135, 0.37);
    
    --glow-primary: 0 0 20px rgba(102, 126, 234, 0.5);
    --glow-accent: 0 0 30px rgba(240, 147, 251, 0.6);
    
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

body.dark-mode {
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(148, 163, 184, 0.1);
}

/* ============================================
   📄 FOND DE LA PAGE PRINCIPALE
   ============================================ */
.main-content,
.container {
    background: #ffffff !important;
}

body.dark-mode .main-content,
body.dark-mode .container {
    background: #0f172a !important;
}

/* ============================================
   ✅ TITRE DE LA PAGE PRINCIPALE
   ============================================ */
.top-header h1,
.page-title {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary), var(--ml-accent));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 0 0 25px 0;
    position: relative;
    animation: gradientShift 8s ease infinite;
}

.top-header h1 i,
.page-title i {
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2.2rem;
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ============================================
   ✅ SECTION TITLE
   ============================================ */
.section-title {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 30px 0;
    position: relative;
}

.section-title i {
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2rem;
}

/* ============================================
   🚀 QUICK TEMPLATES
   ============================================ */
.quick-templates {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    padding: 35px;
    border-radius: 24px;
    margin-bottom: 35px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

body.dark-mode .quick-templates {
    background: rgba(15, 23, 42, 0.95);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.template-btn {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 18px;
    padding: 24px 20px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

body.dark-mode .template-btn {
    background: rgba(15, 23, 42, 0.9);
}

.template-btn i {
    font-size: 2.5rem;
    margin-bottom: 8px;
    transition: var(--transition-bounce);
}

.template-btn:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 40px rgba(102, 126, 234, 0.25);
    border-color: var(--ml-primary);
}

.template-btn:hover i {
    transform: scale(1.2) rotate(10deg);
}

.template-conservative {
    border-left: 5px solid #43e97b;
}

.template-conservative i {
    color: #43e97b;
}

.template-balanced {
    border-left: 5px solid #667eea;
}

.template-balanced i {
    color: #667eea;
}

.template-aggressive {
    border-left: 5px solid #f5576c;
}

.template-aggressive i {
    color: #f5576c;
}

.template-retirement {
    border-left: 5px solid #764ba2;
}

.template-retirement i {
    color: #764ba2;
}

.template-crypto {
    border-left: 5px solid #f6d365;
}

.template-crypto i {
    color: #f6d365;
}

.template-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
}

.template-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   💾 SCENARIO MANAGER
   ============================================ */
.scenario-manager {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    padding: 35px;
    border-radius: 24px;
    margin-bottom: 35px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

body.dark-mode .scenario-manager {
    background: rgba(15, 23, 42, 0.95);
}

.scenario-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
}

.btn-scenario {
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-scenario:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.saved-scenarios-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
}

.saved-scenario-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: 2px solid var(--glass-border);
    border-left: 5px solid var(--ml-accent);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body.dark-mode .saved-scenario-card {
    background: rgba(15, 23, 42, 0.9);
}

.saved-scenario-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 24px rgba(240, 147, 251, 0.25);
}

.scenario-info h4 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.scenario-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.scenario-actions {
    display: flex;
    gap: 10px;
}

.scenario-actions button {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--ml-primary);
    transition: var(--transition-smooth);
    padding: 8px;
}

.scenario-actions button:hover {
    transform: scale(1.2);
    color: var(--ml-secondary);
}

/* ============================================
   📋 PARAMS PANEL (SANS FOND VIOLET)
   ============================================ */
.params-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    margin-bottom: 40px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    position: relative;
}

body.dark-mode .params-panel {
    background: rgba(15, 23, 42, 0.95);
}

/* SUPPRESSION DU FOND VIOLET TOURNANT */
.params-panel::before,
.results-panel::before,
.quick-templates::before,
.scenario-manager::before {
    display: none !important;
}

/* ============================================
   🎯 PANEL TITLE
   ============================================ */
.panel-title {
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 35px;
    font-size: 1.8rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 15px;
}

/* ============================================
   📊 ADVANCED SECTION
   ============================================ */
.advanced-section {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(15px);
    border: 2px solid var(--glass-border);
    border-radius: 18px;
    padding: 28px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

body.dark-mode .advanced-section {
    background: rgba(15, 23, 42, 0.5);
}

.advanced-section-title {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ml-secondary), var(--ml-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============================================
   📊 DISTRIBUTION GRID
   ============================================ */
.distribution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input[type='radio'] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-card-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 14px;
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body.dark-mode .radio-card-content {
    background: rgba(15, 23, 42, 0.9);
}

.radio-card input[type='radio']:checked + .radio-card-content {
    border-color: var(--ml-primary);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.1) 100%);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3), 0 0 40px rgba(118, 75, 162, 0.2);
    transform: translateY(-4px);
}

.radio-card-content i {
    font-size: 2rem;
    color: var(--ml-primary);
    transition: var(--transition-bounce);
}

.radio-card input[type='radio']:checked + .radio-card-content i {
    transform: scale(1.2);
}

.radio-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
}

.radio-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================
   🔄 STRATEGY TOGGLE
   ============================================ */
.strategy-toggle {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.toggle-option {
    position: relative;
    cursor: pointer;
}

.toggle-option input[type='radio'] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-option span {
    display: block;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px 20px;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body.dark-mode .toggle-option span {
    background: rgba(15, 23, 42, 0.9);
}

.toggle-option input[type='radio']:checked + span {
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
    transform: translateY(-3px);
}

/* ============================================
   📊 PARAMS GRID
   ============================================ */
.params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

/* ============================================
   💎 PARAM GROUP
   ============================================ */
.param-group {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    padding: 28px;
    border-radius: 20px;
    border: 2px solid var(--glass-border);
    border-left: 5px solid var(--ml-secondary);
    transition: var(--transition-smooth);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
}

.param-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.8s;
}

.param-group:hover::before {
    left: 100%;
}

.param-group:hover {
    transform: translateY(-8px) rotateX(2deg);
    border-left-color: var(--ml-primary);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.25), 0 0 40px rgba(118, 75, 162, 0.15);
}

body.dark-mode .param-group {
    background: rgba(15, 23, 42, 0.9);
}

.param-group label {
    display: block;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 1.05rem;
    letter-spacing: 0.3px;
}

.param-group input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05);
}

.param-group input:focus {
    outline: none;
    border-color: var(--ml-primary);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1), inset 0 2px 8px rgba(0, 0, 0, 0.05), var(--glow-primary);
    transform: translateY(-2px);
}

body.dark-mode .param-group input {
    background: rgba(15, 23, 42, 0.5);
}

.param-group .hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
    opacity: 0.8;
}

/* ============================================
   ❓ HELP ICON
   ============================================ */
.help-icon {
    width: 32px;
    height: 32px;
    line-height: 32px;
    font-size: 0.85rem;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-bounce);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.3);
    font-weight: 800;
}

.help-icon:hover {
    transform: scale(1.2) rotate(15deg);
    box-shadow: 0 10px 28px rgba(102, 126, 234, 0.5), var(--glow-primary);
}

.help-icon-small {
    width: 24px;
    height: 24px;
    line-height: 24px;
    font-size: 0.75rem;
}

/* ============================================
   🔄 ADVANCED TOGGLES
   ============================================ */
.advanced-toggles {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(118, 75, 162, 0.08) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    padding: 24px 28px;
    border-radius: 16px;
    margin-bottom: 28px;
    border: 2px solid var(--glass-border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

body.dark-mode .advanced-toggles {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.toggle-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    padding: 8px 0;
}

.toggle-checkbox:hover {
    transform: translateX(5px);
}

.toggle-checkbox input[type='checkbox'] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--ml-primary);
    transition: var(--transition-smooth);
}

.toggle-checkbox input[type='checkbox']:hover {
    transform: scale(1.15);
}

/* ============================================
   🚀 SIMULATE BUTTON
   ============================================ */
.btn-simulate {
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary), var(--ml-accent));
    background-size: 200% 200%;
    color: white;
    padding: 18px 40px;
    border: none;
    border-radius: 16px;
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4), 0 0 40px rgba(118, 75, 162, 0.3);
    transition: var(--transition-smooth);
    width: 100%;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-simulate::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    transition: all 0.6s;
}

.btn-simulate:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 40px rgba(102, 126, 234, 0.5), 0 0 60px rgba(118, 75, 162, 0.4);
    animation: gradientShift 3s ease infinite;
}

.btn-simulate:hover::before {
    left: 100%;
}

.btn-simulate:active {
    transform: translateY(-2px) scale(0.98);
}

/* ============================================
   📊 SIMULATION PROGRESS
   ============================================ */
.simulation-progress {
    margin-top: 25px;
    position: relative;
    z-index: 1;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--glass-border);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--ml-primary), var(--ml-secondary), var(--ml-accent));
    background-size: 200% 100%;
    border-radius: 50px;
    transition: width 0.3s ease;
    animation: progressShimmer 2s linear infinite;
    position: relative;
    overflow: hidden;
}

@keyframes progressShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.progress-text {
    text-align: center;
    margin-top: 12px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--ml-primary);
}

/* ============================================
   📊 RESULTS PANEL (SANS FOND VIOLET)
   ============================================ */
.results-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    border: 2px solid var(--glass-border);
    position: relative;
}

body.dark-mode .results-panel {
    background: rgba(15, 23, 42, 0.95);
}

.results-panel.hidden {
    display: none;
}

/* ============================================
   📤 EXPORT CONTROLS
   ============================================ */
.export-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

.btn-export {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 6px 20px rgba(67, 233, 123, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-export:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(67, 233, 123, 0.5);
}

/* ============================================
   📑 SUBSECTION TITLE
   ============================================ */
.subsection-title {
    background: linear-gradient(135deg, var(--ml-secondary), var(--ml-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    margin-top: 35px;
    font-size: 1.4rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.subsection-title:first-of-type {
    margin-top: 0;
}

/* ============================================
   📈 STATS GRID
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

/* ============================================
   💎 STAT BOX
   ============================================ */
.stat-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(118, 75, 162, 0.08) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    padding: 24px;
    border-radius: 18px;
    text-align: center;
    border: 2px solid var(--glass-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, var(--ml-primary), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
    pointer-events: none;
}

.stat-box:hover::before {
    width: 300px;
    height: 300px;
}

.stat-box:hover {
    transform: translateY(-8px) rotateX(3deg);
    box-shadow: 0 16px 48px rgba(102, 126, 234, 0.25), 0 0 60px rgba(118, 75, 162, 0.2);
    border-color: rgba(102, 126, 234, 0.4);
}

body.dark-mode .stat-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.stat-box .label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.stat-box .value {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

/* ============================================
   📊 CHARTS
   ============================================ */
.chart {
    min-height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    padding: 10px;
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

.chart-medium {
    min-height: 450px;
}

body.dark-mode .chart,
body.dark-mode .chart-medium {
    background: rgba(15, 23, 42, 0.3);
}

.charts-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 35px;
    margin-top: 35px;
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

/* ============================================
   📐 MODAL STYLES (CORRIGÉ)
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease;
}

.modal.active {
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: scale(0.8) translateY(-50px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    padding: 30px;
}

.modal.active .modal-content {
    opacity: 1;
    transform: scale(1) translateY(0);
}

body.dark-mode .modal-content {
    background: #1e293b;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--glass-border);
}

.modal-header h2 {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.close-modal {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    line-height: 1;
    padding: 0 10px;
}

.close-modal:hover {
    color: var(--ml-danger);
    transform: rotate(90deg) scale(1.2);
}

.modal-body {
    color: var(--text-primary);
    line-height: 1.8;
}

.modal-body h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--ml-primary);
    margin-top: 25px;
    margin-bottom: 15px;
}

.modal-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ml-secondary);
    margin-top: 20px;
    margin-bottom: 10px;
}

.modal-body p {
    margin-bottom: 15px;
}

.modal-body ul,
.modal-body ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

.modal-body li {
    margin-bottom: 8px;
}

/* ============================================
   🎬 ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-panel > * {
    animation: fadeInUp 0.6s ease-out backwards;
}

.results-panel > *:nth-child(1) { animation-delay: 0.05s; }
.results-panel > *:nth-child(2) { animation-delay: 0.1s; }
.results-panel > *:nth-child(3) { animation-delay: 0.15s; }
.results-panel > *:nth-child(4) { animation-delay: 0.2s; }
.results-panel > *:nth-child(5) { animation-delay: 0.25s; }
.results-panel > *:nth-child(6) { animation-delay: 0.3s; }
.results-panel > *:nth-child(7) { animation-delay: 0.35s; }
.results-panel > *:nth-child(8) { animation-delay: 0.4s; }

/* ============================================
   📱 RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .charts-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .params-grid {
        grid-template-columns: 1fr;
    }
    
    .templates-grid {
        grid-template-columns: 1fr;
    }
    
    .distribution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .strategy-toggle {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .params-panel,
    .results-panel {
        padding: 25px 20px;
    }
    
    .btn-simulate {
        font-size: 1.05rem;
        padding: 16px 32px;
    }
    
    .panel-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .subsection-title {
        font-size: 1.2rem;
    }
    
    .stat-box .value {
        font-size: 1.5rem;
    }
    
    .export-controls {
        flex-direction: column;
    }
    
    .btn-export {
        width: 100%;
        justify-content: center;
    }
    
    .scenario-controls {
        flex-direction: column;
    }
    
    .btn-scenario {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .distribution-grid {
        grid-template-columns: 1fr;
    }
    
    .param-group {
        padding: 20px;
    }
    
    .panel-title {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .stat-box .value {
        font-size: 1.3rem;
    }
    
    .top-header h1 {
        font-size: 1.4rem;
    }
}

/* ============================================
   ✅ SCENARIO COMPARISON - CHECKBOXES
   ============================================ */
.scenario-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.scenario-checkbox input[type='checkbox'] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--ml-primary);
    transition: var(--transition-smooth);
}

.scenario-checkbox input[type='checkbox']:hover {
    transform: scale(1.15);
}

.scenario-checkbox label {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none;
}

.scenario-selection-container {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.04) 100%);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

body.dark-mode .scenario-selection-container {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(15, 23, 42, 0.5) 100%);
}

/* ============================================
   ✅ MODAL LARGE (pour comparaison)
   ============================================ */
.modal-large .modal-content {
    max-width: 90%;
    width: 1200px;
}

.comparison-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body.dark-mode .legend-item {
    background: rgba(15, 23, 42, 0.8);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.legend-label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.comparison-stat-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-radius: 16px;
    border: 2px solid var(--glass-border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
}

.comparison-stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.2);
}

.comparison-stat-box h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comparison-values {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.comparison-value-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    border-left: 4px solid;
}

body.dark-mode .comparison-value-item {
    background: rgba(15, 23, 42, 0.5);
}

.comparison-value-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.comparison-value-number {
    font-weight: 800;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--ml-primary), var(--ml-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   🎯 FIN DU FICHIER CSS
   ============================================ */