:root {
    --color-primary: #4361ee;
    --color-primary-light: #eef0ff;
    --color-success: #2d8a4e;
    --color-success-light: #e8f5e9;
    --color-danger: #c44;
    --color-danger-light: #fce4ec;
    --color-warning-light: #fff8e1;
    --color-text: #1a1a2e;
    --color-text-light: #666;
    --color-text-muted: #888;
    --color-bg: #f4f5f7;
    --color-card: #fff;
    --color-border: #e8e8ee;
    --color-input-bg: #fafafa;
    --color-input-border: #ddd;
    --radius: 8px;
    --radius-lg: 12px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    color: var(--color-text);
    line-height: 1.5;
}

body.iframe-page {
    background: #fff;
    padding: 24px;
    max-width: 540px;
}

body.standalone-page {
    background: var(--color-bg);
    min-height: 100vh;
}

.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: block;
    font-size: 12px;
    color: #555;
    margin-bottom: 4px;
    font-weight: 500;
}

.form-label .hint {
    color: var(--color-text-muted);
    font-weight: 400;
}

.form-input,
.form-select {
    width: 100%;
    border: 1.5px solid var(--color-input-border);
    border-radius: var(--radius);
    padding: 9px 12px;
    font-size: 14px;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-input-bg);
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row > * {
    flex: 1;
}

.form-row > .form-group-sm {
    flex: 0 0 100px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #444;
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-check-box {
    background: #f8f9fb;
    border-radius: var(--radius);
    padding: 14px 16px;
}

.radio-group {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.accompagnants-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
}

.accompagnants-group .form-select {
    width: 60px;
    text-align: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    border: none;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.85;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-outline {
    background: none;
    border: 1.5px solid var(--color-input-border);
    color: var(--color-text-light);
}

.btn-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.btn-excel {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.btn-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.btn-group {
    display: flex;
    gap: 12px;
}

.alert {
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.alert-warning {
    background: var(--color-warning-light);
}

.alert-danger {
    background: var(--color-danger-light);
}

.alert-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.alert-message {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.alert-error {
    background: var(--color-danger-light);
    color: var(--color-danger);
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}

.confirmation {
    text-align: center;
    padding: 40px 0;
}

.confirmation-icon {
    width: 64px;
    height: 64px;
    background: var(--color-success-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--color-success);
}

.recap {
    background: #f8f9fb;
    border-radius: 10px;
    padding: 16px 20px;
    text-align: left;
    margin: 24px 0;
}

.recap-title {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    font-weight: 600;
}

.recap-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}

.recap-row:last-child {
    border-bottom: none;
}

.recap-label {
    color: var(--color-text-light);
}

.recap-value {
    color: var(--color-text);
    font-weight: 500;
}

.deadline {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--color-danger);
    font-weight: 700;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }