/* ==========================================================================
   SVB Immobiliare — identità: studio alpino, pietra fredda + verde pino.
   Nessuna dipendenza esterna. Font di sistema, lavorati con cura.
   ========================================================================== */

:root {
    --ink:       #16191d;
    --paper:     #edefea;
    --surface:   #ffffff;
    --muted:     #5b6168;
    --line:      #e0e3dd;
    --pine:      #1f4d3a;
    --pine-2:    #2c6e54;
    --pine-deep: #173b2c;
    --pine-soft: #e8f0eb;
    --danger:    #b23a2e;
    --danger-soft:#f6e7e5;
    --amber:     #b07a1e;

    --radius:    14px;
    --radius-sm: 9px;
    --shadow:    0 1px 2px rgba(22,25,29,.04), 0 8px 24px rgba(22,25,29,.06);
    --shadow-lift:0 2px 4px rgba(22,25,29,.05), 0 16px 40px rgba(22,25,29,.10);

    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --maxw: 1160px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0; }

a { color: var(--pine); text-decoration: none; }
a:hover { color: var(--pine-deep); }

img { display: block; max-width: 100%; }

.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.clamp-1 {
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
    overflow: hidden; font-size: .86rem;
}

/* --- Topbar ---------------------------------------------------------------- */
.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0; z-index: 20;
}
.topbar__inner {
    max-width: var(--maxw); margin: 0 auto;
    padding: .7rem 1.25rem;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand__mark {
    display: inline-grid; place-items: center;
    width: 2.1rem; height: 2.1rem;
    background: var(--pine); color: #fff;
    border-radius: 8px;
    font-weight: 800; font-size: .82rem; letter-spacing: .04em;
}
.brand__name { font-weight: 650; letter-spacing: -.01em; }

.nav { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; }
.nav > a {
    padding: .4rem .7rem; border-radius: 8px;
    color: var(--muted); font-weight: 550; font-size: .92rem;
}
.nav > a:hover { color: var(--ink); background: var(--pine-soft); }
.nav__user {
    color: var(--muted); font-size: .85rem;
    padding-left: .6rem; margin-left: .2rem; border-left: 1px solid var(--line);
}
.nav__logout { margin: 0; }

/* --- Layout ---------------------------------------------------------------- */
.main {
    max-width: var(--maxw); margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}
.main--centered {
    min-height: 100dvh; display: grid; place-items: center;
    padding: 2rem 1.25rem;
}

.page-head { margin-bottom: 1.5rem; }
.page-head--row {
    display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.page-head__title { font-size: 1.6rem; letter-spacing: -.02em; font-weight: 720; }
.page-head__sub { color: var(--muted); margin-top: .2rem; font-size: .92rem; }
.back { display: inline-block; color: var(--muted); font-size: .9rem; margin-bottom: .6rem; }
.back:hover { color: var(--pine); }

/* --- Card ------------------------------------------------------------------ */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}
.card__title { font-size: 1.1rem; font-weight: 680; margin-bottom: 1rem; }

/* --- Buttons --------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    font-family: inherit; font-weight: 600; font-size: .94rem;
    padding: .6rem 1.1rem; border-radius: 10px;
    border: 1px solid transparent; cursor: pointer;
    transition: background .15s ease, border-color .15s ease, transform .05s ease, color .15s ease;
    text-align: center; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--pine); color: #fff; }
.btn--primary:hover { background: var(--pine-deep); color: #fff; }
.btn--outline { background: transparent; border-color: var(--pine); color: var(--pine); }
.btn--outline:hover { background: var(--pine-soft); color: var(--pine-deep); }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { background: var(--paper); }
.btn--danger { background: transparent; border-color: transparent; color: var(--danger); }
.btn--danger:hover { background: var(--danger-soft); }
.btn--sm { padding: .38rem .7rem; font-size: .85rem; border-radius: 8px; }
.btn--block { width: 100%; }

/* --- Flash messages -------------------------------------------------------- */
.flashes { display: grid; gap: .6rem; margin-bottom: 1.25rem; }
.flash {
    padding: .75rem 1rem; border-radius: var(--radius-sm);
    border: 1px solid var(--line); font-size: .92rem;
}
.flash--success { background: var(--pine-soft); border-color: #bfdac9; color: var(--pine-deep); }
.flash--error   { background: var(--danger-soft); border-color: #e6c4bf; color: #7d281f; }
.flash--info    { background: #eef1f4; border-color: #dce1e6; color: #2b3a46; }
.flash div + div { margin-top: .25rem; }

/* --- Auth ------------------------------------------------------------------ */
.auth { width: 100%; max-width: 400px; }
.auth__brand { text-align: center; margin-bottom: 1.5rem; }
.auth__mark {
    display: inline-grid; place-items: center;
    width: 3.4rem; height: 3.4rem; margin: 0 auto .9rem;
    background: var(--pine); color: #fff; border-radius: 14px;
    font-weight: 800; letter-spacing: .04em;
    box-shadow: var(--shadow);
}
.auth__title { font-size: 1.5rem; letter-spacing: -.02em; font-weight: 720; }
.auth__sub { color: var(--muted); margin-top: .25rem; font-size: .92rem; }
.auth__form { display: grid; gap: 1rem; }

/* --- Fields ---------------------------------------------------------------- */
.field { display: grid; gap: .4rem; }
.field__label { font-size: .85rem; font-weight: 600; color: #3a4047; }
.field__input {
    font-family: inherit; font-size: .96rem; color: var(--ink);
    padding: .62rem .8rem; border: 1px solid var(--line); border-radius: 10px;
    background: #fcfdfc; width: 100%;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field__input:focus {
    outline: none; border-color: var(--pine-2);
    box-shadow: 0 0 0 3px rgba(44,110,84,.16);
}
textarea.field__input { resize: vertical; min-height: 5rem; line-height: 1.5; }
.field__hint { font-size: .8rem; color: var(--muted); }
.field--check { flex-direction: row; align-items: center; display: flex; gap: .55rem; }
.field--check input { width: 1.05rem; height: 1.05rem; accent-color: var(--pine); }

/* --- Forms ----------------------------------------------------------------- */
.form { display: grid; gap: 1.2rem; max-width: 720px; }
.form__split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form__actions {
    display: flex; justify-content: flex-end; gap: .7rem;
    padding-top: .4rem; border-top: 1px solid var(--line); margin-top: .2rem;
}
.preview-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.preview { margin: 0; width: 180px; }
.preview img {
    width: 100%; aspect-ratio: 4/3; object-fit: cover;
    border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper);
}
.preview figcaption { font-size: .78rem; color: var(--muted); margin-top: .35rem; text-align: center; }

/* --- Apartments grid (firma) ----------------------------------------------- */
.grid {
    display: grid; gap: 1.4rem;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
}
.apt {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.apt:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); border-color: #d2d7cf; }
.apt__media { background: #0e1512; aspect-ratio: 16/10; position: relative; }
.apt__video { width: 100%; height: 100%; object-fit: cover; display: block; background: #0e1512; }
.apt__media-empty {
    position: absolute; inset: 0; display: grid; place-items: center;
    color: #8b948e; font-size: .85rem; letter-spacing: .02em;
}
.apt__body { padding: 1.1rem 1.2rem .6rem; flex: 1; }
.apt__title { font-size: 1.18rem; font-weight: 700; letter-spacing: -.01em; }
.apt__desc {
    color: #41474d; margin: .5rem 0 0; font-size: .94rem;
    display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.apt__plan {
    padding: 0 1.2rem 1.2rem; margin-top: auto;
    display: flex; gap: .85rem; align-items: center;
}
.apt__plan .btn { flex: 1; }
.apt__planthumb {
    display: block; width: 64px; height: 64px;
    border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
    background: var(--paper); flex: none;
    transition: border-color .15s ease;
}
.apt__planthumb:hover { border-color: var(--pine-2); }
.apt__planthumb img { width: 100%; height: 100%; object-fit: cover; }
.apt__title a { color: var(--ink); }
.apt__title a:hover { color: var(--pine); }
.apt__more {
    display: inline-block; margin: .7rem 1.2rem 0;
    font-weight: 600; font-size: .9rem; color: var(--pine);
}
.apt__more:hover { color: var(--pine-deep); }

/* --- Dettaglio appartamento ------------------------------------------------ */
.detail {
    display: grid; grid-template-columns: minmax(0, 1fr) 320px;
    gap: 1.5rem; align-items: start;
}
.detail__media {
    background: #0e1512; aspect-ratio: 16/10; overflow: hidden;
    border: 1px solid var(--line); border-radius: var(--radius);
}
.detail__video { width: 100%; height: 100%; object-fit: contain; display: block; background: #0e1512; }
.detail__media-empty {
    width: 100%; height: 100%; display: grid; place-items: center;
    color: #8b948e; font-size: .9rem; letter-spacing: .02em;
}
.detail__desc { margin-top: 1.25rem; }
.detail__desc p { margin: 0; color: #41474d; }
.detail__plan { display: grid; gap: 1rem; }
.detail__planimg {
    display: block; border: 1px solid var(--line); border-radius: var(--radius-sm);
    overflow: hidden; background: var(--paper); transition: border-color .15s ease;
}
.detail__planimg:hover { border-color: var(--pine-2); }
.detail__planimg img { width: 100%; height: auto; }
@media (max-width: 820px) {
    .detail { grid-template-columns: 1fr; }
}

/* --- Tables (admin) -------------------------------------------------------- */
.table-wrap { padding: 0; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .94rem; }
.table th, .table td { padding: .85rem 1.1rem; text-align: left; vertical-align: middle; }
.table thead th {
    font-size: .76rem; text-transform: uppercase; letter-spacing: .06em;
    color: var(--muted); font-weight: 650; border-bottom: 1px solid var(--line);
    background: #fafbf9;
}
.table tbody tr + tr td { border-top: 1px solid var(--line); }
.table tbody tr:hover td { background: #fafbf9; }
.table__actions { text-align: right; }
.table__actions form { display: inline; margin: 0; }
.table__actions .btn { vertical-align: middle; }

/* --- Tags ------------------------------------------------------------------ */
.tag {
    display: inline-block; padding: .12rem .5rem; border-radius: 999px;
    font-size: .74rem; font-weight: 650; letter-spacing: .01em;
    background: #eef1f4; color: #56606b; border: 1px solid transparent;
}
.tag--on    { background: var(--pine-soft); color: var(--pine-deep); }
.tag--off   { background: #f2f0ee; color: #9a948c; }
.tag--admin { background: #ece7f6; color: #5b3fa0; }
.tag--self  { background: #fff3da; color: var(--amber); }

/* --- Empty / error --------------------------------------------------------- */
.empty { text-align: center; color: var(--muted); display: grid; gap: 1rem; place-items: center; }
.errorpage { text-align: center; max-width: 440px; margin: 0 auto; display: grid; gap: .6rem; place-items: center; }
.errorpage__code { font-size: 3.4rem; font-weight: 800; color: var(--pine); letter-spacing: -.03em; }
.errorpage__msg { color: var(--muted); }

/* --- Responsive ------------------------------------------------------------ */
@media (max-width: 640px) {
    .main { padding: 1.4rem 1rem 3rem; }
    .form__split { grid-template-columns: 1fr; }
    .form__actions { flex-direction: column-reverse; }
    .form__actions .btn { width: 100%; }
    .grid { grid-template-columns: 1fr; }
    .nav__user { display: none; }
    .page-head__title { font-size: 1.35rem; }
    .table__actions { white-space: normal; }
}

/* --- Accessibilità --------------------------------------------------------- */
:focus-visible { outline: 2px solid var(--pine-2); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
    .apt:hover { transform: none; }
}