/* =========================================================
   RoomRent Poland — Design Tokens & Base Styles
   ========================================================= */

:root {
    /* Color tokens */
    --color-ink: #10192E;
    --color-ink-light: #1B2947;
    --color-bg: #F7F5F1;
    --color-surface: #FFFFFF;
    --color-amber: #E3A33D;
    --color-amber-dark: #C7862A;
    --color-sage: #6B8F71;
    --color-sage-dark: #567A5C;
    --color-slate: #4A5568;
    --color-slate-light: #8A93A3;
    --color-border: #E5E1D8;
    --color-danger: #C1502E;

    /* Type tokens */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

    /* Layout tokens */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(16, 25, 46, 0.08);
    --shadow-md: 0 8px 24px rgba(16, 25, 46, 0.12);
    --shadow-lg: 0 20px 48px rgba(16, 25, 46, 0.18);
    --container-max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 0.5em;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.6rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--color-slate); }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.mono { font-family: var(--font-mono); }

/* Focus visibility (accessibility) */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--color-amber);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------
   Buttons
--------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-amber); color: var(--color-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-amber-dark); box-shadow: var(--shadow-md); }
.btn-dark { background: var(--color-ink); color: #fff; }
.btn-dark:hover { background: var(--color-ink-light); }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-ink); }
.btn-outline:hover { border-color: var(--color-ink); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sage { background: var(--color-sage); color: #fff; }

/* ---------------------------------------------------------
   Top navigation
--------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247, 245, 241, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}
.logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo .dot { color: var(--color-amber); }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
    padding: 10px 16px;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    color: var(--color-ink);
}
.main-nav a:hover { background: var(--color-surface); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: flex; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.lang-switch a { padding: 6px 12px; font-size: 0.8rem; font-weight: 700; }
.lang-switch a.active { background: var(--color-ink); color: #fff; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
    .main-nav { display: none; }
    .nav-toggle { display: block; }
}

/* ---------------------------------------------------------
   Hero + Search
--------------------------------------------------------- */
.hero {
    position: relative;
    padding: 88px 0 64px;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -180px; right: -140px;
    width: 520px; height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(227,163,61,0.25), transparent 70%);
}
.hero-inner { position: relative; max-width: 720px; }
.eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-sage-dark);
    background: rgba(107, 143, 113, 0.12);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
}
.hero h1 { color: var(--color-ink); }
.hero .lede { font-size: 1.15rem; max-width: 540px; }

.search-box {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 10px;
    display: flex;
    gap: 8px;
    margin-top: 32px;
    max-width: 560px;
}
.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 14px 18px;
    font-size: 1rem;
    font-family: var(--font-body);
}
.search-box input:focus { outline: none; }
.search-box button {
    border: none;
}

/* ---------------------------------------------------------
   City strip — "transit line" signature element
--------------------------------------------------------- */
.city-strip-section { padding: 8px 0 56px; }
.city-strip-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-slate-light);
    margin-bottom: 14px;
}
.city-strip {
    display: flex;
    align-items: stretch;
    border: 2px solid var(--color-ink);
    border-radius: var(--radius-md);
    overflow-x: auto;
    background: var(--color-ink);
    position: relative;
}
.city-strip::-webkit-scrollbar { height: 0; }
.city-stop {
    flex: 1 0 auto;
    min-width: 140px;
    position: relative;
    padding: 20px 22px 18px;
    color: #fff;
    border-right: 1px solid rgba(255,255,255,0.15);
    transition: background 0.15s ease;
}
.city-stop:last-child { border-right: none; }
.city-stop:hover, .city-stop.active { background: var(--color-ink-light); }
.city-stop .stop-index { font-family: var(--font-mono); font-size: 0.72rem; color: var(--color-amber); display: block; margin-bottom: 6px; }
.city-stop .stop-name { font-family: var(--font-display); font-size: 1.05rem; font-weight: 500; }
.city-stop .stop-count { font-size: 0.78rem; color: rgba(255,255,255,0.55); margin-top: 4px; }
.city-stop::after {
    content: "";
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--color-amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}
.city-stop:hover::after, .city-stop.active::after { transform: scaleX(1); }

/* ---------------------------------------------------------
   Section headers
--------------------------------------------------------- */
.section { padding: 56px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; gap: 24px; flex-wrap: wrap; }
.section-head p { margin: 0; }

/* ---------------------------------------------------------
   Room cards / grid
--------------------------------------------------------- */
.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 26px;
}
.room-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}
.room-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.room-card-img { position: relative; aspect-ratio: 4/3; background: var(--color-border); overflow: hidden; }
.room-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.room-card:hover .room-card-img img { transform: scale(1.05); }
.badge {
    position: absolute;
    top: 12px; left: 12px;
    background: var(--color-amber);
    color: var(--color-ink);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 5px 10px;
    border-radius: 100px;
}
.badge-unavailable { background: var(--color-danger); color: #fff; }
.wishlist-btn {
    position: absolute;
    top: 12px; right: 12px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
}
.room-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.room-card-cat { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-sage-dark); }
.room-card-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; margin: 0; }
.room-card-meta { font-size: 0.85rem; color: var(--color-slate-light); display: flex; gap: 12px; flex-wrap: wrap; }
.room-card-price { margin-top: auto; display: flex; align-items: baseline; gap: 8px; padding-top: 10px; border-top: 1px dashed var(--color-border); }
.price-current { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; color: var(--color-ink); }
.price-original { font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-slate-light); text-decoration: line-through; }
.price-unit { font-size: 0.78rem; color: var(--color-slate-light); }

/* ---------------------------------------------------------
   Filters sidebar
--------------------------------------------------------- */
.listing-layout { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.filters-panel {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: sticky;
    top: 96px;
    box-shadow: var(--shadow-sm);
}
.filter-group { margin-bottom: 24px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-slate); margin-bottom: 12px; }
.filter-option { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 0.92rem; }
.filter-option input { accent-color: var(--color-amber); }
.range-inputs { display: flex; gap: 8px; align-items: center; }
.range-inputs input { width: 100%; padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.85rem; }
@media (max-width: 900px) {
    .listing-layout { grid-template-columns: 1fr; }
    .filters-panel { position: static; }
}

/* ---------------------------------------------------------
   Gallery / lightbox
--------------------------------------------------------- */
.gallery-grid {
    display: grid;
    gap: 8px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; cursor: pointer; transition: filter 0.2s ease; }
.gallery-grid img:hover { filter: brightness(0.85); }
.gallery-grid a { position: relative; display: block; overflow: hidden; }
.gallery-more {
    position: absolute; inset: 0;
    background: rgba(16,25,46,0.6);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 1.4rem;
}

.lightbox {
    display: none;
    position: fixed; inset: 0; z-index: 999;
    background: rgba(16,25,46,0.95);
    align-items: center; justify-content: center;
    flex-direction: column;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 88vw; max-height: 78vh; object-fit: contain; border-radius: var(--radius-md); }
.lightbox-controls { display: flex; gap: 20px; margin-top: 20px; align-items: center; }
.lightbox-controls button { background: rgba(255,255,255,0.1); color: #fff; border: none; width: 44px; height: 44px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; }
.lightbox-controls button:hover { background: rgba(255,255,255,0.2); }
.lightbox-close { position: absolute; top: 24px; right: 28px; background: none; border: none; color: #fff; font-size: 2rem; cursor: pointer; }
.lightbox-counter { font-family: var(--font-mono); color: rgba(255,255,255,0.7); font-size: 0.85rem; }

/* ---------------------------------------------------------
   Room detail page
--------------------------------------------------------- */
.room-detail-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.detail-block { background: var(--color-surface); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px; box-shadow: var(--shadow-sm); }
.detail-block h3 { margin-bottom: 16px; }
.facts-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px,1fr)); gap: 16px; }
.fact { display: flex; flex-direction: column; gap: 4px; }
.fact .label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-slate-light); }
.fact .value { font-weight: 600; }
.amenity-list { display: flex; flex-wrap: wrap; gap: 10px; }
.amenity-pill { display: flex; align-items: center; gap: 6px; padding: 8px 14px; background: var(--color-bg); border-radius: 100px; font-size: 0.88rem; }
.booking-card { position: sticky; top: 96px; background: var(--color-ink); color: #fff; border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-lg); }
.booking-card .price-current { color: var(--color-amber); font-size: 1.8rem; }
.booking-card label { display: block; font-size: 0.82rem; margin: 14px 0 6px; color: rgba(255,255,255,0.7); }
.booking-card input, .booking-card textarea {
    width: 100%; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.06); color: #fff; font-family: var(--font-body); font-size: 0.92rem;
}
.booking-card input::placeholder, .booking-card textarea::placeholder { color: rgba(255,255,255,0.4); }
.booking-card input:focus, .booking-card textarea:focus { outline: 2px solid var(--color-amber); background: rgba(255,255,255,0.1); }
.whatsapp-btn { background: #25D366; color: #fff; margin-top: 12px; }
@media (max-width: 960px) { .room-detail-layout { grid-template-columns: 1fr; } .booking-card { position: static; } }

/* Reviews */
.review { border-bottom: 1px solid var(--color-border); padding: 18px 0; }
.review:last-child { border-bottom: none; }
.review-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.stars { color: var(--color-amber); letter-spacing: 2px; }

/* ---------------------------------------------------------
   Footer
--------------------------------------------------------- */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,0.7); padding: 56px 0 28px; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
.footer-grid a { display: block; padding: 6px 0; color: rgba(255,255,255,0.65); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--color-amber); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 24px; font-size: 0.82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }

/* WhatsApp floating button */
.float-whatsapp {
    position: fixed; bottom: 24px; right: 24px; z-index: 90;
    width: 58px; height: 58px; border-radius: 50%;
    background: #25D366; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; box-shadow: var(--shadow-lg);
}

/* Empty states */
.empty-state { text-align: center; padding: 64px 24px; color: var(--color-slate-light); }
.empty-state h3 { color: var(--color-ink); }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.flash { padding: 14px 20px; border-radius: var(--radius-md); margin-bottom: 20px; font-size: 0.92rem; }
.flash-success { background: rgba(107,143,113,0.15); color: var(--color-sage-dark); }
.flash-error { background: rgba(193,80,46,0.12); color: var(--color-danger); }