:root {
    /* Couleurs principales */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --light-blue: #eeeeee; /* pour upload */
    --primary-blue: #E80000;
    --dark-gray: #4b5563;
    --light-gray: #f9fafb;
    --gradient-from: #E80000;
    --gradient-to: #8E0101;
}

body {
    font-family: 'Inter', "Noto Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: var(--dark-gray);
}

/* Liens rouges */
.link-red {
    color: #E80000;
    text-decoration: none;
}
.link-red:hover {
    color: #a71d2a;
    text-decoration: underline;
}

.form-check-input:checked {
    background-color: #e80000;
    border-color: #e80000;
}
.form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(232, 0, 0, 0.25);
    border-color: #e80000;
}

/* Boutons rouges */
.btn-red {
    background-color: #E80000;
    color: #fff;
}
.btn-red:hover {
    background-color: #a71d2a;
    color: #fff;
}

/* --- Spécifique Upload --- */
.file-drop-zone {
    border: 2px dashed #d1d5db;
    transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
    cursor: pointer;
}
.file-drop-zone:hover {
    background-color: var(--light-gray);
    border-color: var(--primary-blue);
}
.file-drop-zone.drag-over {
    background-color: var(--light-blue);
    border-color: var(--primary-blue);
}

.progress-circle {
    transform: rotate(-90deg);
}
.bg-circle {
    fill: none;
    stroke: #e9ecef;
}
.fg-circle {
    fill: none;
    stroke: #E80000;
    stroke-dasharray: 345.57; /* 2 * PI * r (r=55) */
    stroke-dashoffset: 345.57;
    transition: stroke-dashoffset 0.3s linear;
    stroke-linecap: round;
}

/* Liste fichiers Upload */
.file-item {
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--light-blue);
}
.file-item .btn-close {
    padding: 0.2rem 0.25rem;
}
#uploadedFiles .file-item {
    border-color: #ced4da;
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
}