/* ==========================================================================
   Coin des fermes — Formulaire "Ajouter ma ferme"
   ========================================================================== */

:root {
    --color-bg-1: #16281a;
    --color-bg-2: #2a4a2e;
    --color-surface: #ffffff;
    --color-text: #1d2a1f;
    --color-text-muted: #5b6259;

    --color-primary: #2f5233;
    --color-primary-dark: #1d3520;
    --color-primary-soft: #e7efe5;
    --color-accent: #d98a52;

    --color-on-dark: #f3f0e6;
    --color-on-dark-muted: rgba(243, 240, 230, 0.72);

    --color-border: #e3ddc9;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-sm: 0 1px 2px rgba(15, 28, 18, 0.06);
    --shadow-md: 0 10px 30px rgba(15, 28, 18, 0.1);
    --shadow-lg: 0 24px 60px rgba(15, 28, 18, 0.16);

    --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-serif: "Fraunces", Georgia, serif;
}

body {
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: radial-gradient(circle at 50% 0%, var(--color-bg-2) 0%, var(--color-bg-1) 70%);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

.page {
    max-width: 46rem;
    margin: 0 auto;
    padding: clamp(1.25rem, 4vw, 2.5rem) clamp(1.25rem, 5vw, 2rem) 4rem;
}

/* ---------------------------------------------------------------------- */
/* Barre supérieure                                                        */
/* ---------------------------------------------------------------------- */

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.5rem 0 clamp(2rem, 5vw, 3.5rem);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-on-dark);
    text-decoration: none;
}

.brand-mark {
    font-size: 1.3rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-on-dark-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.back-link:hover {
    color: var(--color-on-dark);
}

/* ---------------------------------------------------------------------- */
/* En-tête de page                                                         */
/* ---------------------------------------------------------------------- */

.page-header {
    margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}

.page-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #f0aa78;
    margin-bottom: 0.75rem;
}

.page-title {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: clamp(1.75rem, 4vw, 2.3rem);
    color: var(--color-on-dark);
    letter-spacing: -0.01em;
}

.page-subtitle {
    margin-top: 0.75rem;
    font-size: 1rem;
    color: var(--color-on-dark-muted);
    max-width: 34rem;
}

/* ---------------------------------------------------------------------- */
/* Carte du formulaire                                                     */
/* ---------------------------------------------------------------------- */

.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: clamp(1.5rem, 4vw, 2.75rem);
}

.form-section {
    padding-bottom: 1.75rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--color-border);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section-title {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
}

.form-section-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.field {
    margin-bottom: 1.25rem;
}

.field:last-child {
    margin-bottom: 0;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: 0.45rem;
}

.field-optional {
    font-weight: 400;
    color: var(--color-text-muted);
}

.field input,
.field textarea {
    width: 100%;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text);
    background: #fdfcf9;
    border: 1px solid #8b9285;
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.9rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.field textarea {
    resize: vertical;
    min-height: 6.5rem;
    line-height: 1.5;
}

.field input::placeholder,
.field textarea::placeholder {
    color: #6d7466;
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(47, 82, 51, 0.14);
}

.field-help {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.field-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.field-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--color-text);
    background: #fdfcf9;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.field-checkbox input {
    accent-color: var(--color-primary);
}

.field-checkbox:has(input:checked) {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

/* ---------------------------------------------------------------------- */
/* Actions                                                                  */
/* ---------------------------------------------------------------------- */

.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.75rem;
    border: none;
    border-radius: 999px;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
    white-space: nowrap;
}

.btn-submit:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* ---------------------------------------------------------------------- */
/* Responsive                                                              */
/* ---------------------------------------------------------------------- */

@media (max-width: 560px) {
    .field-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-actions {
        flex-direction: column-reverse;
        align-items: stretch;
        text-align: center;
    }

    .btn-submit {
        width: 100%;
    }
}

/* Interrupteur Oui / Non (ferme Bio) — le libellé change tout seul selon l'état, sans JavaScript.
   Les sélecteurs commencent par .field pour l'emporter sur « .field label » et « .field input ». */
.field .bio-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    width: fit-content;
    margin: 0;
    cursor: pointer;
    user-select: none;
}

.field .bio-switch input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

.bio-track {
    position: relative;
    display: block;
    flex: none;
    width: 3.2rem;
    height: 1.8rem;
    border-radius: 999px;
    background: #858c7f;
    transition: background 0.25s ease;
}

.bio-track::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: calc(1.8rem - 6px);
    height: calc(1.8rem - 6px);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.field .bio-switch:hover .bio-track::after { transform: scale(1.08); }

.field .bio-switch input:checked ~ .bio-track { background: var(--color-primary); }

.field .bio-switch input:checked ~ .bio-track::after { transform: translateX(1.4rem); }

.field .bio-switch:hover input:checked ~ .bio-track::after { transform: translateX(1.4rem) scale(1.08); }

.field .bio-switch input:focus-visible ~ .bio-track {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.bio-state {
    min-width: 3.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    animation: bio-pop 0.25s ease;
}

.bio-state--yes { display: none; color: var(--color-primary); }
.bio-state--no { display: inline; color: var(--color-text-muted); }

.field .bio-switch input:checked ~ .bio-state--yes { display: inline; }
.field .bio-switch input:checked ~ .bio-state--no { display: none; }

@keyframes bio-pop {
    from { opacity: 0; transform: translateX(-4px); }
    to { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
    .bio-track, .bio-track::after, .bio-state { transition: none; animation: none; }
}

.required { margin-left: 0.1rem; color: #a4561f; font-weight: 700; }

.form-required-note {
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}