/* Reset et base */
* {
    box-sizing: border-box;
}

body {
    font-feature-settings: "liga" 1, "kern" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar propre */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Sélection */
::selection {
    background: #dbeafe;
    color: #1e40af;
}

/* Focus states améliorés */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    border-color: #2563eb;
}

/* Transitions fluides */
.transition-smooth {
    transition: all 0.2s ease-in-out;
}

/* États hover subtils */
.hover-lift:hover {
    transform: translateY(-1px);
}

/* Loading spinner simple */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #e5e7eb;
    border-top: 2px solid #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Animations subtiles */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

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

/* Responsive optimisations */
@media (max-width: 768px) {
    .modal-content {
        margin: 1rem;
        width: calc(100% - 2rem);
    }
}

/* Mode sombre respectueux */
@media (prefers-color-scheme: dark) {
    ::-webkit-scrollbar-track {
        background: #1f2937;
    }
    
    ::-webkit-scrollbar-thumb {
        background: #4b5563;
    }
    
    ::selection {
        background: #1e40af;
        color: #dbeafe;
    }
}

/* Réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}