:root {
    --bg: #f3f6fb;
    --card: #ffffff;
    --card-soft: #f8fbff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #d8e1ec;
    --border-strong: #c7d3e2;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #eff6ff;
    --success: #0f766e;
    --success-soft: #ecfdf5;
    --danger: #b91c1c;
    --danger-soft: #fef2f2;
    --shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
    --radius: 18px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.06), transparent 26%),
        radial-gradient(circle at top right, rgba(15, 118, 110, 0.05), transparent 24%),
        var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.wrap {
    max-width: 980px;
    margin: 34px auto 50px;
    padding: 0 16px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow);
}

h1 {
    margin: 0 0 8px;
    font-size: 30px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h2 {
    margin: 0 0 18px;
    font-size: 21px;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.intro {
    margin: 0 0 26px;
    color: var(--muted);
    font-size: 15px;
    max-width: 760px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.actions-submit {
    margin-top: 24px;
}

button {
    appearance: none;
    border: 1px solid transparent;
    background: var(--primary);
    color: #fff;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition:
        background .2s ease,
        border-color .2s ease,
        transform .08s ease,
        box-shadow .2s ease;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.16);
}

button:hover {
    background: var(--primary-dark);
}

button:active {
    transform: translateY(1px);
}

button.secondary {
    background: #eef2f7;
    color: #111827;
    border-color: #d7dee8;
    box-shadow: none;
}

button.secondary:hover {
    background: #e5ebf2;
}

#btn-submit {
    min-width: 220px;
    font-size: 16px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-bottom: 20px;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 14px;
}

.field input,
.field select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px 14px;
    font-size: 15px;
    background: #fff;
    color: var(--text);
    transition:
        border-color .2s ease,
        box-shadow .2s ease,
        background .2s ease;
}

.field input:hover,
.field select:hover {
    border-color: var(--border-strong);
}

.field input:focus,
.field select:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.field input[type="range"] {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    accent-color: var(--primary);
    cursor: pointer;
    box-shadow: none;
}

.hint {
    font-size: 13px;
    color: var(--muted);
    margin-top: 7px;
    line-height: 1.4;
}

.status {
    margin: 18px 0;
    padding: 14px 16px;
    border-radius: 14px;
    display: none;
    font-size: 14px;
}

.status.show {
    display: block;
}

.status.info {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.status.success {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.status.error {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid #fecaca;
}

.status .btn-suggest-radius {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 14px;
    font-size: 14px;
    line-height: 1.2;
    font-weight: 700;
    color: #1f2937 !important;
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: none;
}

.status .btn-suggest-radius:hover {
    background-color: #f8fafc !important;
}

.status-action {
    margin-top: 10px;
}

.result-box {
    margin-top: 22px;
    padding: 18px 18px 2px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--card-soft);
    display: none;
}

.result-box.show {
    display: block;
}

.meta {
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

.commune-select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    font-size: 15px;
    min-height: 52px;
    background: #fff;
}

.form-section {
    margin-top: 30px;
    padding: 24px 22px 10px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: linear-gradient(to bottom, #ffffff, #fbfdff);
}

.form-section + .form-section {
    margin-top: 22px;
}

.form-section h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}

.file-preview {
    margin-top: 14px;
    font-size: 14px;
    color: var(--muted);
}

.file-preview-name {
    margin-bottom: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.file-preview-thumb {
    display: block;
    max-width: 220px;
    max-height: 290px;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 6px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.loading {
    opacity: 0.75;
    pointer-events: none;
}

#organisateur,
#communes,
#dates_multiples {
    width: 100%;
}

#dates_multiples {
    min-height: 110px;
    resize: vertical;
}

#organisateur-hint,
#communes-hint {
    margin-top: 6px;
}

.multiple-date-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    padding: 10px 12px;
    border: 1px solid #e5ebf3;
    border-radius: 14px;
    background: #fbfdff;
}

.multiple-date-input {
    flex: 1;
    min-width: 220px;
}

.dates-multiples-actions {
    margin-top: 10px;
}

#btn-add-date,
.btn-duplicate-date,
.btn-plus-week,
.btn-plus-month,
.btn-remove-date {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #cbd5e1 !important;
    border-radius: 8px;
    background: #ffffff !important;
    color: #1f2937 !important;
    font-size: 14px !important;
    line-height: 1.2 !important;
    font-weight: 700 !important;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    opacity: 1 !important;
    box-shadow: none !important;
}

#btn-add-date:hover,
.btn-duplicate-date:hover,
.btn-plus-week:hover,
.btn-plus-month:hover,
.btn-remove-date:hover {
    background: #f8fafc !important;
}

#btn-add-date {
    background: var(--primary-soft) !important;
    border-color: #bfdbfe !important;
    color: var(--primary-dark) !important;
}

#btn-add-date:hover {
    background: #dbeafe !important;
}

#postal-wrapper,
#rubrique_detail_wrapper,
#theme_detail_wrapper {
    animation: fadeIn .18s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

input[list]::-webkit-calendar-picker-indicator {
    opacity: 0.55;
}

input::placeholder {
    color: #9aa4b2;
}

hr {
    border: 0;
    border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
    .wrap {
        margin: 20px auto 30px;
    }

    .card {
        padding: 18px;
        border-radius: 18px;
    }

    .form-section {
        padding: 18px 16px 8px;
        border-radius: 16px;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 19px;
    }

    .actions {
        flex-direction: column;
    }

    .actions button,
    .actions-submit button {
        width: 100%;
    }

    .multiple-date-row {
        align-items: stretch;
    }

    .multiple-date-input {
        min-width: 100%;
    }

    .file-preview-thumb {
        max-width: 100%;
        max-height: 280px;
    }
}