/* Reusable interface components */
section h2,
.section-title {
    margin: 0 0 var(--space-2);
    color: var(--color-heading);
    font-size: var(--font-size-xl);
    line-height: var(--line-tight);
}

section p {
    margin-top: 0;
}

.card,
.formulaire,
.calendrier,
.admin-section {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.formulaire {
    padding: var(--space-3);
}

.form-grid-unique {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.field-inline,
.form-grid-unique label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-grid-unique input[type="text"],
.form-grid-unique input[type="date"],
.form-grid-unique input[type="email"],
.form-grid-unique input[type="file"],
.form-grid-unique select,
.form-grid-unique textarea,
.admin-section input,
.admin-section select {
    width: 100%;
    min-height: 2rem;
    padding: 0.35rem var(--space-2);
    color: var(--color-text);
    background: var(--color-field);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
}

.form-grid-unique input[type="text"],
.form-grid-unique input[type="date"],
.form-grid-unique input[type="email"],
.form-grid-unique input[type="file"],
.form-grid-unique select,
.form-grid-unique textarea {
    flex: 1;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: var(--focus-ring);
}

fieldset {
    margin: 0 0 var(--space-3);
    padding: var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

fieldset.fieldset-facultatif {
    background: var(--color-surface);
    border-color: var(--color-border);
}

legend {
    padding: 0 var(--space-2);
    color: var(--color-muted);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.help-text,
.email-info,
label small {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-muted);
    font-size: var(--font-size-xs);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: 0;
    line-height: var(--line-tight);
}

input[type="radio"],
input[type="checkbox"] {
    width: 0.95rem;
    height: 0.95rem;
    margin: 0;
    accent-color: var(--color-primary);
}

.cta {
    display: flex;
    justify-content: flex-start;
    margin-top: var(--space-2);
}

.cta button,
.button,
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    padding: var(--space-2) var(--space-5);
    color: var(--color-button-text);
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-md);
    font-weight: 700;
    text-decoration: none;
    transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.cta button:hover,
.button:hover,
.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.cta button:active,
.button:active,
.btn-primary:active {
    box-shadow: none;
}

.admin-login {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.admin-login .btn-admin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 74px;
    min-height: 1.7rem;
    padding: 0 var(--space-4);
    color: var(--color-button-text);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    box-shadow: none;
    font-size: var(--font-size-sm);
    line-height: 1.4;
    transition: background-color 160ms ease, border-color 160ms ease;
}

.admin-login .btn-admin:hover {
    background: var(--color-border);
    border-color: var(--color-primary);
}

.admin-login .btn-admin:active {
    background: var(--color-field);
}

.message,
.flash-message {
    margin: var(--space-2) 0;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.message.success,
.flash-success {
    color: var(--color-success);
    background: var(--color-success-bg);
    border: 1px solid rgba(43, 167, 119, 0.45);
}

.message.error,
.flash-error {
    color: var(--color-error);
    background: var(--color-error-bg);
    border: 1px solid rgba(218, 76, 98, 0.45);
}

.notice {
    padding: var(--space-2) var(--space-3);
    color: var(--color-warning);
    background: var(--color-warning-bg);
    border: 1px solid rgba(240, 178, 50, 0.42);
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .formulaire {
        padding: var(--space-2);
    }

    .form-grid-unique label:not(.radio-label) {
        flex-wrap: wrap;
        justify-content: space-between;
        width: 100%;
    }

    .form-grid-unique label:not(.radio-label) input,
    .form-grid-unique label:not(.radio-label) select {
        flex: 1 1 auto;
        min-width: 120px;
    }

    .form-grid-unique label textarea {
        flex: 1 1 100%;
        min-width: 0;
        margin-top: var(--space-1);
    }

    .email-info {
        max-width: 100%;
        white-space: normal;
    }

    .cta button {
        width: 100%;
        font-size: var(--font-size-md);
    }
}