/* ===== STYLES DÉMO CALCUL-DIAG ===== */

/* Variables spécifiques à la démo */
:root {
    --demo-bg: #ffffff;
    --demo-border: #e5e7eb;
    --demo-border-selected: #3b82f6;
    --demo-bg-selected: #eff6ff;
    --demo-bg-hover: #f9fafb;
    --demo-transition: all 0.3s ease;
    --demo-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --demo-radius: 12px;
}

/* ===== CONTENEUR PRINCIPAL DE LA DÉMO ===== */
.demo-container {
    background: var(--demo-bg);
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

/* ===== SYSTÈME D'ÉTAPES ===== */
.step-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: var(--demo-transition);
    transform: translateX(0);
    opacity: 1;
}

.step-hidden {
    transform: translateX(100%);
    opacity: 0;
}

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

.back-button {
    color: #3b82f6;
    background: none;
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--demo-transition);
}

.back-button:hover {
    color: #1d4ed8;
}

/* ===== BOUTONS DE TYPE DE BIEN ===== */
.property-btn {
    width: 100%;
    padding: 1rem;
    border-radius: var(--demo-radius);
    border: 2px solid var(--demo-border);
    background-color: var(--demo-bg-hover);
    transition: var(--demo-transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.property-btn:hover {
    border-color: #9ca3af;
    transform: translateY(-1px);
}

.property-btn.selected {
    border-color: var(--demo-border-selected);
    background-color: var(--demo-bg-selected);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.property-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ===== BOUTONS DE TAILLE ===== */
.size-btn {
    padding: 0.75rem;
    border: 2px solid var(--demo-border);
    background-color: var(--demo-bg-hover);
    border-radius: var(--demo-radius);
    transition: var(--demo-transition);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    font-size: 0.875rem;
}

.size-btn:hover {
    border-color: #9ca3af;
    transform: translateY(-1px);
}

.size-btn.selected {
    border-color: var(--demo-border-selected);
    background-color: var(--demo-bg-selected);
    color: #1d4ed8;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===== BOUTONS DE DIAGNOSTICS ===== */
.diagnostics-container {
    max-height: 20rem;
    overflow-y: auto;
    padding-right: 0.5rem;
    margin-bottom: 1rem;
}

.diagnostics-container::-webkit-scrollbar {
    width: 6px;
}

.diagnostics-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.diagnostics-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.diagnostics-container::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

.diagnostic-btn {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--demo-radius);
    border: 2px solid var(--demo-border);
    background-color: var(--demo-bg-hover);
    transition: var(--demo-transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.diagnostic-btn:hover {
    border-color: #9ca3af;
    transform: translateX(2px);
}

.diagnostic-btn.selected {
    border-color: var(--demo-border-selected);
    background-color: var(--demo-bg-selected);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.check-indicator {
    transition: var(--demo-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== AFFICHAGES DE SÉLECTION ===== */
.selection-display {
    background: #eff6ff;
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ===== BOUTON DE CALCUL ===== */
.calculate-button {
    width: 100%;
    background: #3b82f6;
    color: white;
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--demo-transition);
    margin-top: 1rem;
}

.calculate-button:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

/* ===== RÉSULTAT DU CALCUL ===== */
.result-container {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 0.5rem;
    min-height: 16rem;
    border: 1px solid var(--demo-border);
}

.result-container h4 {
    color: #3b82f6;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.result-container .space-y-4 > * + * {
    margin-top: 1rem;
}

.result-container .space-y-2 > * + * {
    margin-top: 0.5rem;
}

/* ===== NOTICE ET UPGRADE ===== */
.demo-notice {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: 0.5rem;
}

.upgrade-button {
    width: 100%;
    margin-top: 1rem;
    background: #10b981;
    color: white;
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--demo-transition);
}

.upgrade-button:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* ===== ANIMATIONS SPÉCIFIQUES DÉMO ===== */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutLeft {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.slide-in {
    animation: slideInRight 0.3s ease-out;
}

.slide-out {
    animation: slideOutLeft 0.3s ease-out;
}

/* ===== RESPONSIVE DÉMO ===== */

/* Tablettes */
@media (max-width: 768px) {
    .demo-container {
        padding: 1.5rem;
    }
    
    .property-btn {
        padding: 0.75rem;
        gap: 0.5rem;
    }
    
    .property-icon {
        width: 2rem;
        height: 2rem;
    }
    
    .size-btn {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
    
    .diagnostic-btn {
        padding: 0.5rem;
    }
    
    .diagnostics-container {
        max-height: 15rem;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .demo-container {
        padding: 1rem;
    }
    
    .step-container {
        padding: 0;
    }
    
    .property-btn {
        padding: 0.75rem 0.5rem;
        gap: 0.5rem;
    }
    
    .property-icon {
        width: 1.75rem;
        height: 1.75rem;
    }
    
    .size-btn {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
    
    .result-container {
        padding: 1rem;
        min-height: 12rem;
    }
    
    .diagnostics-container {
        max-height: 12rem;
    }
}

/* ===== ÉTATS DE FOCUS POUR L'ACCESSIBILITÉ ===== */
.property-btn:focus,
.size-btn:focus,
.diagnostic-btn:focus,
.calculate-button:focus,
.upgrade-button:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* ===== DARK MODE (optionnel) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --demo-bg: #1f2937;
        --demo-border: #374151;
        --demo-bg-hover: #374151;
        --demo-bg-selected: #1e40af;
    }
    
    .demo-container {
        background: var(--demo-bg);
        color: #f9fafb;
    }
    
    .result-container {
        background: #374151;
        color: #f9fafb;
    }
    
    .selection-display {
        background: #1e40af;
        color: #e0e7ff;
        border-color: #3730a3;
    }
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1rem;
    height: 1rem;
    margin: -0.5rem 0 0 -0.5rem;
    border: 2px solid #f3f4f6;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}