:root {
    --e5-red: #FF0000;
    --e5-black: #000000;
    --e5-gradient: linear-gradient(135deg, var(--e5-red), var(--e5-black));
    --neon-shadow: 0 0 10px rgba(255, 0, 0, 0.2), 0 0 20px rgba(255, 0, 0, 0.1);
}

.e5-gradient {
    background: var(--e5-gradient);
}

.e5-button {
    background-color: #dc2626;
    color: white;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.e5-button:hover {
    background-color: #b91c1c;
    transform: translateY(-1px);
}

.e5-button:disabled {
    background-color: #f87171;
    cursor: not-allowed;
}

.e5-button:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.e5-progress-bar {
    height: 100%;
    background-color: #dc2626;
    width: 0;
    transition: width 0.3s ease;
    background: linear-gradient(90deg, #dc2626 0%, #ef4444 100%);
    transition: width 0.6s ease-in-out;
    border-radius: 2px;
    box-shadow: var(--neon-shadow);
}

.e5-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 1.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    transition: all 0.3s ease;
    transform: translateY(0);
    filter: drop-shadow(0 4px 6px rgba(220, 38, 38, 0.1));
}

.e5-logo:hover {
    transform: translateY(-5px);
    filter: drop-shadow(0 10px 15px rgba(220, 38, 38, 0.2));
}

.question-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
}

.question-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--neon-shadow);
}

input[type="radio"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    border: 2px solid #dc2626;
    margin-right: 8px;
    position: relative;
    top: 2px;
}

input[type="radio"]:checked {
    border-color: #dc2626;
    background-color: transparent;
}

input[type="radio"]:checked::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #dc2626;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

input[type="radio"]:focus {
    outline: none;
}

.textarea-custom {
    width: 100%;
    min-height: 150px;
    border: 2px solid rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    resize: vertical;
}

.textarea-custom:focus {
    outline: none;
    border-color: var(--e5-red);
    box-shadow: var(--neon-shadow);
}

.progress-container {
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

.bg-pattern {
    background-image: 
        linear-gradient(45deg, rgba(255, 0, 0, 0.05) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 0, 0, 0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 0, 0, 0.05) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 0, 0, 0.05) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* Animation pour les messages de succès */
@keyframes slideIn {
    from {
        transform: translateX(-10px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.bg-green-100 {
    animation: slideIn 0.3s ease-out;
}

/* Style pour le tableau */
.divide-y > tr {
    transition: background-color 0.2s ease;
}

/* Style pour la pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination > * {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background-color: white;
    border: 1px solid #e5e7eb;
    color: #374151;
    transition: all 0.2s ease;
}

.pagination > *:hover {
    background-color: #f3f4f6;
}

.pagination > .active {
    background-color: #dc2626;
    color: white;
    border-color: #dc2626;
}

/* Style pour les cartes de statistiques */
.bg-white {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bg-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Responsive design improvements */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .e5-button {
        width: 100%;
    }
    
    .px-6 {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Responsive Design */
@media (max-width: 640px) {
    .quiz-container {
        padding: 1rem;
    }

    .question-card {
        padding: 1rem;
    }

    .textarea-custom {
        min-height: 100px;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Base styles améliorés */
.table-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 0.75rem;
}

.table-responsive {
    width: 100%;
    margin-bottom: 1rem;
    border-collapse: collapse;
}

.stats-grid {
    display: grid;
    gap: 1.5rem;
}

.textarea-custom {
    width: 100%;
    min-height: 150px;
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.textarea-custom:focus {
    outline: none;
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Progress bar responsive */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 1000;
}

/* Amélioration des marges et paddings responsives */
.container {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
}

/* Support des grands écrans */
@media (min-width: 1536px) {
    .quiz-container {
        max-width: 1400px;
    }
}