/* ============================================================
   Dalin Place — Design tokens
   Color   : bg #F5F6F3 / surface #FFFFFF / text #1F2A24
             accent (teal, ทำเล/ธรรมชาติ) #2F6F5E
             accent-warn (ค้างชำระ) #B8622A
             border #DADFDA
   Type    : Sarabun เดียวทั้งเว็บ (300/400/500/600/700) — รองรับภาษาไทยเต็มรูปแบบ
   Layout  : topbar คงที่ด้านบน + bottom nav บนมือถือ, การ์ดข้อมูลแบบ list ไม่ปัดมุมจัด
   ============================================================ */

:root {
    --bg: #F5F6F3;
    --surface: #FFFFFF;
    --text: #1F2A24;
    --text-muted: #5B6760;
    --accent: #2F6F5E;
    --accent-dark: #234F42;
    --accent-tint: #E7F0EC;
    --warn: #B8622A;
    --warn-tint: #FBEDE3;
    --danger: #B23A3A;
    --border: #DADFDA;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(31, 42, 36, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-weight: 600; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }

/* ---------- Topbar ---------- */
.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar__inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand__mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 8px;
}
.brand__name { font-weight: 600; font-size: 1.05rem; line-height: 1.15; display: flex; flex-direction: column; }
.brand__sub { font-weight: 400; font-size: 0.72rem; color: var(--text-muted); }

.topnav { display: none; gap: 0.25rem; margin-inline-start: auto; }
.topnav__link {
    padding: 0.5rem 0.9rem;
    border-radius: 8px;
    font-size: 0.92rem;
    color: var(--text-muted);
}
.topnav__link.is-active, .topnav__link:hover { background: var(--accent-tint); color: var(--accent-dark); }

.topbar__user { display: none; align-items: center; gap: 0.75rem; margin-inline-start: 1rem; }
.topbar__username { font-size: 0.9rem; color: var(--text-muted); }

@media (min-width: 780px) {
    .topnav, .topbar__user { display: flex; }
}

/* ---------- Layout ---------- */
.page {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1.25rem 1.1rem 5.5rem;
}
@media (min-width: 780px) {
    .page { padding: 2rem 1.5rem 3rem; }
}

.page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.page-head p { color: var(--text-muted); margin: 0.2rem 0 0; font-size: 0.92rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.1rem;
    border-radius: 8px;
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-dark); }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn--danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn--danger:hover { background: var(--danger); color: #fff; }
.btn--sm { padding: 0.4rem 0.75rem; font-size: 0.82rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.btn--google {
    background: #fff; border-color: var(--border); color: var(--text);
    padding: 0.75rem 1.4rem; font-size: 0.95rem;
}
.btn--google:hover { border-color: var(--accent); }

/* ---------- Alerts / flash ---------- */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
    border: 1px solid transparent;
}
.alert--success { background: var(--accent-tint); border-color: var(--accent); color: var(--accent-dark); }
.alert--error { background: #FBEAEA; border-color: var(--danger); color: var(--danger); }
.alert--warn { background: var(--warn-tint); border-color: var(--warn); color: var(--warn); }

/* ---------- Cards / list rows ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.card + .card { margin-top: 0.75rem; }

.unit-list, .tenant-list { display: flex; flex-direction: column; gap: 0.75rem; }

.unit-row, .tenant-row {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.6rem;
}
@media (min-width: 640px) {
    .unit-row { grid-template-columns: auto 1fr auto auto; align-items: center; gap: 1.25rem; }
    .tenant-row { grid-template-columns: auto 1fr auto; align-items: center; gap: 1.25rem; }
}

.room-code {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--accent-dark);
    letter-spacing: 0.01em;
}
.room-meta { color: var(--text-muted); font-size: 0.85rem; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 500;
    white-space: nowrap;
    width: fit-content;
}
.badge--vacant { background: #EEF1EF; color: var(--text-muted); }
.badge--rented { background: var(--accent-tint); color: var(--accent-dark); }
.badge--for_rent, .badge--for_sale { background: var(--warn-tint); color: var(--warn); }
.badge--owner_occupied { background: #EDEBF7; color: #5A4B9E; }
.badge--active { background: var(--accent-tint); color: var(--accent-dark); }
.badge--ended { background: #EEF1EF; color: var(--text-muted); }
.badge--unpaid, .badge--overdue { background: var(--warn-tint); color: var(--warn); }
.badge--paid { background: var(--accent-tint); color: var(--accent-dark); }

.row-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) {
    .form-grid--2 { grid-template-columns: 1fr 1fr; }
}
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field label { font-size: 0.88rem; font-weight: 500; color: var(--text); }
.field .hint { font-size: 0.78rem; color: var(--text-muted); }
input, select, textarea {
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: var(--accent);
}
textarea { resize: vertical; min-height: 90px; }

.form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    max-width: 560px;
}

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

/* ---------- Login page ---------- */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2.25rem 1.75rem;
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow);
}
.auth-card .brand__mark { margin: 0 auto 1rem; width: 48px; height: 48px; font-size: 1.1rem; border-radius: 10px; }
.auth-card h1 { margin-bottom: 0.35rem; }
.auth-card p { color: var(--text-muted); font-size: 0.92rem; }
.auth-divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ---------- Bottom nav (mobile) ---------- */
.bottomnav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    z-index: 20;
}
.bottomnav__link {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.6rem 0 calc(0.6rem + env(safe-area-inset-bottom));
    font-size: 0.72rem;
    color: var(--text-muted);
}
.bottomnav__link.is-active { color: var(--accent-dark); }
.bottomnav__icon { font-size: 1.15rem; }

@media (min-width: 780px) {
    .bottomnav { display: none; }
}

/* ============================================================
   Public site (หน้าแรก / รายการประกาศ / รายละเอียดประกาศ)
   ============================================================ */

.public-nav { display: flex; align-items: center; gap: 0.25rem; margin-inline-start: auto; }
.public-nav__link { padding: 0.5rem 0.9rem; border-radius: 8px; font-size: 0.92rem; color: var(--text-muted); }
.public-nav__link.is-active, .public-nav__link:hover { background: var(--accent-tint); color: var(--accent-dark); }
.public-nav__cta { margin-inline-start: 0.5rem; }

/* Hero */
.hero {
    background: var(--accent-dark);
    color: #fff;
    border-radius: 16px;
    padding: 2.25rem 1.5rem;
    margin-bottom: 1.75rem;
}
.hero h1 { color: #fff; font-size: 1.6rem; margin-bottom: 0.4rem; }
.hero p { color: #DCEAE4; max-width: 46ch; }
@media (min-width: 780px) {
    .hero { padding: 3rem 2.5rem; }
    .hero h1 { font-size: 2.1rem; }
}
.hero__stats { display: flex; gap: 1.75rem; margin-top: 1.5rem; flex-wrap: wrap; }
.hero__stat-num { font-size: 1.5rem; font-weight: 700; display: block; }
.hero__stat-label { font-size: 0.8rem; color: #BFDCD1; }

/* Section headings */
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 2rem 0 1rem;
    gap: 1rem;
}
.section-head h2 { margin: 0; }
.section-head a { font-size: 0.88rem; color: var(--accent-dark); }

/* Filter bar */
.filter-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}
@media (min-width: 780px) {
    .filter-bar { grid-template-columns: repeat(4, 1fr) auto; align-items: end; }
}
.filter-bar .field { gap: 0.3rem; }
.filter-bar label { font-size: 0.8rem; color: var(--text-muted); }

/* Listing grid + card */
.listing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 640px) {
    .listing-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1000px) {
    .listing-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.listing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.listing-card__photo {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--accent-tint), #EFEFE9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 0.02em;
    position: relative;
}
.listing-card__type {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}
.listing-card__body { padding: 0.9rem 1rem 1rem; display: flex; flex-direction: column; gap: 0.3rem; flex: 1; }
.listing-card__price { font-size: 1.15rem; font-weight: 700; color: var(--accent-dark); }
.listing-card__title { font-size: 0.95rem; font-weight: 500; }
.listing-card__meta { font-size: 0.82rem; color: var(--text-muted); }
.listing-card__link { margin-top: auto; padding-top: 0.6rem; }

/* Listing detail */
.listing-detail__photo {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--accent-tint), #EFEFE9);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
}
.detail-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 900px) {
    .detail-grid { grid-template-columns: 1.6fr 1fr; align-items: start; }
}
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem 1.5rem; margin: 1rem 0; }
.spec-list dt { font-size: 0.78rem; color: var(--text-muted); }
.spec-list dd { margin: 0; font-weight: 500; }

.option-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0 0; padding: 0; list-style: none; }
.option-tags li {
    background: var(--accent-tint);
    color: var(--accent-dark);
    font-size: 0.82rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
}

.owner-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.owner-card h3 { margin-bottom: 0.75rem; }
.owner-card__row { display: flex; justify-content: space-between; padding: 0.4rem 0; border-top: 1px solid var(--border); font-size: 0.9rem; }
.owner-card__row:first-of-type { border-top: none; }

/* Map */
.map-section { margin-top: 1.5rem; }
#condo-map { height: 280px; border-radius: var(--radius); border: 1px solid var(--border); }
.location-list { list-style: none; margin: 0.9rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.location-list li { display: flex; justify-content: space-between; font-size: 0.88rem; gap: 1rem; }
.location-list span:first-child { color: var(--text-muted); }

/* Announcement banner */
.announce-banner {
    background: var(--warn-tint);
    border: 1px solid var(--warn);
    color: var(--warn);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
}