/* =========================================================================
   Administration — Luginbühl & Cie SA
   ========================================================================= */
:root {
    --brand:      #006633;
    --brand-dark: #004d26;
    --brand-tint: #e8f3ec;
    --ink:        #1c2321;
    --muted:      #5c6b64;
    --line:       #e2e7e4;
    --bg:         #f4f6f5;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }

.btn-brand { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.btn-brand:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }

/* --- Connexion ----------------------------------------------------------- */
.admin-login {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--brand-dark), #06301c);
    padding: 1.5rem;
}
.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%; max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
}
.login-brand { text-align: center; margin-bottom: 1.8rem; }
.login-brand img { height: 60px; margin-bottom: .8rem; }
.login-brand h1 { font-size: 1.5rem; margin: 0; color: var(--brand-dark); }
.login-brand p { color: var(--muted); margin: 0; }
.login-back { display: block; text-align: center; margin-top: 1.2rem; color: var(--muted); text-decoration: none; }

/* --- Structure ----------------------------------------------------------- */
.admin { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: 260px;
    background: #10201a;
    color: #c9d6d0;
    display: flex; flex-direction: column;
    position: sticky; top: 0; height: 100vh;
    flex-shrink: 0;
}
.admin-brand {
    display: flex; align-items: center; gap: .7rem;
    padding: 1.3rem 1.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    font-weight: 700; color: #fff;
}
.admin-brand img { height: 38px; background: #fff; border-radius: 6px; padding: 2px; }

.admin-nav { padding: 1rem .8rem; flex-grow: 1; }
.admin-nav__link {
    display: flex; align-items: center; gap: .7rem;
    padding: .7rem .9rem; margin-bottom: .2rem;
    color: #c9d6d0; text-decoration: none;
    border-radius: 9px; font-weight: 500;
}
.admin-nav__link:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.admin-nav__link.active { background: var(--brand); color: #fff; }

.admin-sidebar__footer { padding: 1rem .8rem; border-top: 1px solid rgba(255, 255, 255, .08); }
.admin-sidebar__footer a { display: block; padding: .5rem .9rem; color: #9fb3aa; text-decoration: none; border-radius: 8px; }
.admin-sidebar__footer a:hover { color: #fff; background: rgba(255, 255, 255, .06); }

.admin-main { flex-grow: 1; padding: 2rem clamp(1rem, 4vw, 2.5rem); max-width: 1100px; }

.admin-head { margin-bottom: 1.5rem; }
.admin-head h1 { color: var(--brand-dark); font-size: 1.7rem; margin: 0 0 .2rem; }
.admin-head p { color: var(--muted); margin: 0; }

/* --- Tuiles -------------------------------------------------------------- */
.admin-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1.2rem; }
.admin-tile {
    background: #fff; border: 1px solid var(--line); border-radius: 14px;
    padding: 1.6rem; text-decoration: none; color: var(--ink);
    transition: transform .15s ease, box-shadow .15s ease;
}
.admin-tile:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0, 40, 20, .1); color: var(--ink); }
.admin-tile i { font-size: 2rem; color: var(--brand); }
.admin-tile h2 { font-size: 1.2rem; margin: .6rem 0 .3rem; color: var(--brand-dark); }
.admin-tile p { color: var(--muted); margin: 0; font-size: .92rem; }

/* --- Onglets ------------------------------------------------------------- */
.admin-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.3rem; }
.admin-tab {
    padding: .5rem 1rem; border-radius: 999px;
    background: #fff; border: 1px solid var(--line);
    color: var(--ink); text-decoration: none; font-weight: 600; font-size: .9rem;
}
.admin-tab:hover { border-color: var(--brand); color: var(--brand); }
.admin-tab.active { background: var(--brand); border-color: var(--brand); color: #fff; }

.admin-inline-form { margin-bottom: 1.3rem; }
.form-block { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; margin-bottom: 1.5rem; }

/* --- Listes / accordéon -------------------------------------------------- */
.admin-list .accordion-button { font-weight: 600; }
.admin-list .accordion-button:not(.collapsed) { background: var(--brand-tint); color: var(--brand-dark); }
.admin-list .accordion-button:focus { box-shadow: none; }
.admin-thumb { width: 46px; height: 46px; object-fit: cover; border-radius: 8px; margin-right: .8rem; }

/* --- Tables -------------------------------------------------------------- */
.admin-table { background: #fff; border-radius: 12px; overflow: hidden; }
.admin-table thead th { background: var(--brand-tint); color: var(--brand-dark); border: 0; }
.admin-table td { vertical-align: middle; }

/* --- Galerie ------------------------------------------------------------- */
.admin-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.admin-gallery__item { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.admin-gallery__item img { width: 100%; height: 150px; object-fit: cover; display: block; }
.admin-gallery__item form { position: absolute; top: .4rem; right: .4rem; }

/* --- Bannières ----------------------------------------------------------- */
.admin-banners { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.2rem; }
.admin-banner { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.admin-banner__preview { height: 150px; background: var(--bg); }
.admin-banner__preview img { width: 100%; height: 100%; object-fit: cover; }
.admin-banner__empty { height: 100%; display: flex; align-items: center; justify-content: center; color: #b8c4be; font-size: 2.5rem; }
.admin-banner__body { padding: 1rem 1.2rem; }
.admin-banner__body h3 { font-size: 1.1rem; color: var(--brand-dark); margin: 0 0 .7rem; }

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 768px) {
    .admin { flex-direction: column; }
    .admin-sidebar { width: 100%; height: auto; position: static; flex-direction: column; }
    .admin-nav { display: flex; flex-wrap: wrap; gap: .3rem; }
    .admin-nav__link { flex: 1 1 auto; }
}