/* ==========================================================================
   ekorki.net - Bright design system
   Shared stylesheet for base_bright.html.twig (home, panel, search, …)
   All classes are namespaced `bk-` so nothing collides with Bootstrap/custom.css
   ========================================================================== */

:root {
    --bk-blue: #16a6e0;
    --bk-blue-d: #1393c8;
    --bk-blue-dd: #0f8fc4;
    --bk-ink: #15212e;
    --bk-muted: #56697a;
    --bk-muted2: #8295a4;
    --bk-orange: #f7993f;
    --bk-orange-d: #ef8a2c;
    --bk-bg: #f6fbfe;
    --bk-line: #e7f3fa;
    --bk-line2: #eaf1f6;
    --bk-tint: #eaf7fd;
    --bk-tint-ink: #0e7fb0;
    --bk-green: #1f8a5b;
    --bk-green-bg: #e6f7ee;
    --bk-font: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
}

.bk * { margin: 0; padding: 0; box-sizing: border-box; }
.bk { font-family: var(--bk-font); background: #fff; color: var(--bk-ink); line-height: 1.6; -webkit-font-smoothing: antialiased; }
.bk a { text-decoration: none; color: inherit; }
.bk img { max-width: 100%; display: block; }
.bk input, .bk select, .bk button, .bk textarea { font-family: inherit; }
.bk-wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ---------- buttons ---------- */
.bk-btn-orange { display: inline-block; font-size: 14.5px; font-weight: 700; color: #fff; background: var(--bk-orange); padding: 11px 20px; border-radius: 11px; box-shadow: 0 6px 16px rgba(247,153,63,.35); transition: background .15s; }
.bk-btn-orange:hover { background: var(--bk-orange-d); }
.bk-btn-blue { display: inline-block; font-size: 14.5px; font-weight: 700; color: #fff; background: var(--bk-blue); padding: 11px 20px; border-radius: 11px; transition: background .15s; }
.bk-btn-blue:hover { background: var(--bk-blue-d); }
.bk-btn-ghost { display: inline-block; font-size: 14.5px; font-weight: 700; color: var(--bk-blue); background: #fff; border: 1px solid #d6e8f3; padding: 11px 20px; border-radius: 11px; transition: border-color .15s; }
.bk-btn-ghost:hover { border-color: var(--bk-blue); }
.bk-link-btn { font-size: 14.5px; font-weight: 700; color: var(--bk-ink); padding: 10px 16px; transition: color .15s; }
.bk-link-btn:hover { color: var(--bk-blue); }
.bk-more { font-size: 14.5px; font-weight: 700; color: var(--bk-blue); white-space: nowrap; }
.bk-more:hover { color: var(--bk-blue-d); }

.bk-kicker { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.bk-kicker.bk-c-blue { color: var(--bk-blue); }
.bk-kicker.bk-c-orange { color: var(--bk-orange); }

/* avatar + 4-colour cycle */
.bk-ava { display: grid; place-items: center; font-weight: 800; flex-shrink: 0; border-radius: 12px; }
.bk-cyc:nth-child(4n+1) .bk-ava { background: #eaf7fd; color: #0e7fb0; }
.bk-cyc:nth-child(4n+2) .bk-ava { background: #fff2e4; color: #d97a1f; }
.bk-cyc:nth-child(4n+3) .bk-ava { background: #ecf7f0; color: #1f8a5b; }
.bk-cyc:nth-child(4n+4) .bk-ava { background: #f0edfb; color: #6a44d6; }

.bk-tag-promo { display: inline-flex; align-items: center; gap: 6px; font-size: 10.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--bk-orange-d); background: #fff2e4; padding: 5px 9px; border-radius: 7px; }
.bk-tag-promo .bk-d { width: 6px; height: 6px; border-radius: 50%; background: var(--bk-orange-d); }
.bk-tag { font-size: 12.5px; font-weight: 600; color: #3f5364; background: #f3f7fa; border: 1px solid #e8eff4; padding: 5px 11px; border-radius: 8px; }

/* ---------- nav ---------- */
.bk-nav { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--bk-line2); }
.bk-nav-inner { max-width: 1180px; margin: 0 auto; padding: 0 28px; height: 72px; display: flex; align-items: center; gap: 28px; }
.bk-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px; letter-spacing: -.01em; }
.bk-brand .bk-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--bk-blue); color: #fff; display: grid; place-items: center; font-size: 20px; font-weight: 800; box-shadow: 0 4px 12px rgba(22,166,224,.35); }
.bk-brand .bk-tld { color: var(--bk-blue); }
.bk-nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; font-weight: 600; color: #5a6b7a; }
.bk-nav-links a:hover, .bk-nav-links a.bk-active { color: var(--bk-blue); }
.bk-nav-cta { display: flex; gap: 12px; align-items: center; }
.bk-nav-user { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 700; color: var(--bk-ink); padding: 7px 7px 7px 14px; }
.bk-nav-user .bk-ava { width: 34px; height: 34px; border-radius: 50%; background: var(--bk-tint); color: var(--bk-tint-ink); }
/* mobile menu (CSS-only, no JS): a checkbox toggles the dropdown */
.bk-nav-checkbox { display: none; }
.bk-burger { display: none; place-items: center; width: 44px; height: 44px; border-radius: 11px; border: 1px solid var(--bk-line2); color: var(--bk-ink); cursor: pointer; margin-left: auto; }
.bk-burger:hover { border-color: var(--bk-blue); color: var(--bk-blue); }
.bk-nav-menu { display: contents; }
@media (max-width: 880px) {
    .bk-burger { display: grid; }
    .bk-nav-menu {
        display: none; position: absolute; top: 72px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 6px;
        background: #fff; border-bottom: 1px solid var(--bk-line2);
        padding: 14px 28px 20px; box-shadow: 0 16px 34px rgba(21,33,46,.10);
    }
    .bk-nav-checkbox:checked ~ .bk-nav-menu { display: flex; }
    .bk-nav-menu .bk-nav-links { display: flex; flex-direction: column; gap: 2px; margin-left: 0; font-size: 16px; }
    .bk-nav-menu .bk-nav-links a { padding: 11px 4px; border-bottom: 1px solid var(--bk-line2); }
    .bk-nav-menu .bk-nav-cta { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 12px; }
    .bk-nav-menu .bk-nav-cta .bk-link-btn, .bk-nav-menu .bk-nav-cta .bk-btn-orange { text-align: center; }
    .bk-nav-menu .bk-nav-user { justify-content: center; }
}

/* ---------- flash ---------- */
.bk-flash { max-width: 1180px; margin: 16px auto 0; padding: 0 28px; }
.bk-flash-msg { border-radius: 12px; padding: 13px 18px; font-size: 14.5px; font-weight: 600; margin-bottom: 8px; }
.bk-flash-success { background: var(--bk-green-bg); border: 1px solid #bce7d2; color: #15724b; }
.bk-flash-info, .bk-flash-notice { background: var(--bk-tint); border: 1px solid #cdeafa; color: var(--bk-tint-ink); }
.bk-flash-danger, .bk-flash-error { background: #fdecea; border: 1px solid #f7cfc8; color: #c0392b; }

/* ---------- breadcrumb + page head ---------- */
.bk-crumb { font-size: 13px; font-weight: 600; color: var(--bk-muted2); display: flex; gap: 8px; align-items: center; }
.bk-crumb a:hover { color: var(--bk-blue); }
.bk-crumb .bk-sep { color: #c3d2dd; }
.bk-crumb .bk-cur { color: var(--bk-ink); }
.bk-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.bk-page-head h1 { font-size: clamp(26px,3.4vw,38px); font-weight: 800; letter-spacing: -.02em; }
.bk-page-head p { font-size: 15px; color: var(--bk-muted); margin-top: 6px; }

/* ==========================================================================
   HOME
   ========================================================================== */
.bk-hero { position: relative; padding: 78px 28px 70px; overflow: hidden; }
.bk-hero::before { content: ""; position: absolute; top: -120px; right: -80px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #d9f0fb 0%, rgba(217,240,251,0) 68%); pointer-events: none; }
.bk-hero::after { content: ""; position: absolute; top: 120px; left: -100px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle at 50% 50%, #ffe9d4 0%, rgba(255,233,212,0) 70%); pointer-events: none; }
.bk-hero-inner { position: relative; max-width: 880px; margin: 0 auto; text-align: center; }
.bk-badge { display: inline-flex; align-items: center; gap: 9px; background: var(--bk-tint); color: var(--bk-tint-ink); border: 1px solid #cdeafa; font-size: 13px; font-weight: 700; padding: 7px 15px; border-radius: 999px; white-space: nowrap; }
.bk-badge .bk-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--bk-orange); }
.bk-hero h1 { font-size: clamp(40px,6vw,68px); font-weight: 800; line-height: 1.04; letter-spacing: -.025em; margin: 22px 0 18px; text-wrap: balance; }
.bk-hero h1 .bk-hl { color: var(--bk-blue); }
.bk-hero-sub { font-size: 18px; color: var(--bk-muted); max-width: 54ch; margin: 0 auto 34px; text-wrap: balance; }
.bk-search { display: flex; gap: 8px; background: #fff; border: 1px solid #e6eef4; border-radius: 18px; padding: 9px; max-width: 640px; margin: 0 auto; box-shadow: 0 18px 50px rgba(21,33,46,.10); }
.bk-search .bk-field { flex: 1; display: flex; align-items: center; gap: 11px; padding: 0 8px 0 16px; min-width: 0; }
.bk-search svg { flex-shrink: 0; }
.bk-search input { flex: 1; border: none; outline: none; font-size: 16px; color: var(--bk-ink); padding: 14px 0; min-width: 0; background: transparent; }
.bk-search input::placeholder { color: #8fa096; }
.bk-search button { border: none; cursor: pointer; font-weight: 700; font-size: 15.5px; color: #fff; background: var(--bk-blue); padding: 14px 28px; border-radius: 12px; transition: background .15s; }
.bk-search button:hover { background: var(--bk-blue-d); }
@media (max-width: 560px) { .bk-search { flex-direction: column; } }
.bk-popular { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-top: 20px; }
.bk-popular .bk-lbl { font-size: 13.5px; font-weight: 600; color: var(--bk-muted2); padding: 7px 2px; }
.bk-pill { font-size: 13.5px; font-weight: 600; color: #3f5364; background: #f3f7fa; border: 1px solid #e8eff4; padding: 7px 14px; border-radius: 999px; }
.bk-pill:hover { background: var(--bk-tint); border-color: #cdeafa; color: var(--bk-tint-ink); }

.bk-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.bk-stat { border-radius: 18px; padding: 24px 26px; }
.bk-stat-b { background: var(--bk-bg); border: 1px solid var(--bk-line); }
.bk-stat-o { background: #fff7f0; border: 1px solid #ffe6d2; }
.bk-stat .bk-num { font-size: 34px; font-weight: 800; letter-spacing: -.02em; }
.bk-stat-b .bk-num { color: var(--bk-blue); }
.bk-stat-o .bk-num { color: var(--bk-orange); }
.bk-stat .bk-cap { font-size: 14px; font-weight: 600; color: #6a7c8a; margin-top: 2px; }
@media (max-width: 760px) { .bk-stats { grid-template-columns: repeat(2,1fr); } .bk-hero h1 { font-size: clamp(34px,9vw,48px); } }

.bk-sec { padding: 64px 28px 20px; }
.bk-sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.bk-sec-head h2 { font-size: clamp(26px,3.2vw,36px); font-weight: 800; letter-spacing: -.02em; margin-top: 8px; }

.bk-subjects { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.bk-subject { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid #e9eff4; border-radius: 14px; padding: 16px 18px; font-weight: 700; font-size: 15px; box-shadow: 0 1px 2px rgba(21,33,46,.04); transition: transform .15s, box-shadow .15s, border-color .15s; }
.bk-subject:hover { border-color: #cdeafa; box-shadow: 0 10px 24px rgba(22,166,224,.12); transform: translateY(-2px); }
.bk-subject .bk-ava { width: 38px; height: 38px; border-radius: 11px; font-size: 16px; }
@media (max-width: 960px) { .bk-subjects { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 560px) { .bk-subjects { grid-template-columns: repeat(2,1fr); } }

.bk-promo { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.bk-card { display: flex; flex-direction: column; background: #fff; border: 1px solid #e9eff4; border-radius: 20px; padding: 24px; box-shadow: 0 1px 2px rgba(21,33,46,.04); transition: transform .15s, box-shadow .15s; }
.bk-card:hover { box-shadow: 0 18px 40px rgba(21,33,46,.10); transform: translateY(-3px); }
.bk-card-top { display: flex; align-items: center; gap: 13px; margin-bottom: 16px; }
.bk-card .bk-ava { width: 50px; height: 50px; border-radius: 14px; font-size: 20px; }
.bk-card-title { font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.bk-card-meta { font-size: 13px; font-weight: 600; color: var(--bk-muted2); }
.bk-card .bk-tag-promo { margin-left: auto; align-self: flex-start; }
.bk-card-desc { font-size: 14.5px; color: var(--bk-muted); line-height: 1.6; flex: 1; }
.bk-card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 16px; border-top: 1px solid #eef3f7; }
.bk-card-foot .bk-city { font-size: 13px; font-weight: 600; color: var(--bk-muted2); }
.bk-card-foot .bk-price { font-size: 19px; font-weight: 800; color: var(--bk-blue); }
.bk-card-foot .bk-price small { font-size: 12.5px; font-weight: 600; color: var(--bk-muted2); }
@media (max-width: 900px) { .bk-promo { grid-template-columns: 1fr; } }

.bk-band-wrap { padding: 70px 28px 20px; }
.bk-band { max-width: 1180px; margin: 0 auto; background: linear-gradient(155deg,#0f8fc4 0%, #16a6e0 60%, #45bdec 100%); border-radius: 28px; padding: clamp(36px,5vw,60px); color: #fff; position: relative; overflow: hidden; }
.bk-band::after { content: ""; position: absolute; right: -80px; bottom: -100px; width: 340px; height: 340px; border-radius: 50%; background: rgba(255,255,255,.10); }
.bk-band-rel { position: relative; }
.bk-band .bk-kicker { color: #bfe8f8; }
.bk-band h2 { font-size: clamp(26px,3.4vw,38px); font-weight: 800; letter-spacing: -.02em; margin: 10px 0 38px; max-width: 20ch; }
.bk-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.bk-step .bk-no { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 15px; font-size: 21px; font-weight: 800; margin-bottom: 16px; }
.bk-step:nth-child(odd) .bk-no { background: #fff; color: var(--bk-blue); }
.bk-step:nth-child(even) .bk-no { background: var(--bk-orange); color: #fff; }
.bk-step h3 { font-size: 20px; font-weight: 800; margin-bottom: 7px; }
.bk-step p { font-size: 15px; color: #dcf1fb; line-height: 1.6; }
@media (max-width: 820px) { .bk-steps { grid-template-columns: 1fr; } }

.bk-duo { display: grid; grid-template-columns: 1.35fr .85fr; gap: 40px; align-items: start; }
.bk-duo h2 { font-size: clamp(24px,2.8vw,32px); font-weight: 800; letter-spacing: -.02em; margin-bottom: 20px; }
.bk-latest { display: flex; flex-direction: column; gap: 10px; max-width: 760px; }
.bk-row { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid #e9eff4; border-radius: 14px; padding: 16px 18px; transition: border-color .15s, background .15s; }
.bk-row:hover { border-color: #cdeafa; background: #f9fcfe; }
.bk-row .bk-ava { width: 42px; height: 42px; }
.bk-row .bk-row-main { min-width: 0; flex: 1; }
.bk-row .bk-row-t { font-weight: 700; font-size: 15.5px; }
.bk-row .bk-row-t span { font-weight: 600; color: var(--bk-muted2); }
.bk-row .bk-row-d { font-size: 13.5px; color: var(--bk-muted2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bk-row .bk-row-p { font-size: 16px; font-weight: 800; color: var(--bk-blue); white-space: nowrap; }
.bk-cities { background: #fff7f0; border: 1px solid #ffe6d2; border-radius: 20px; padding: 30px; }
.bk-cities h2 { font-size: 23px; font-weight: 800; letter-spacing: -.01em; margin: 8px 0 20px; }
.bk-city-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.bk-city-pill { font-size: 14px; font-weight: 600; color: #a05a1e; background: #fff; border: 1px solid #ffe0c4; padding: 8px 15px; border-radius: 999px; transition: background .15s, color .15s, border-color .15s; }
.bk-city-pill:hover { background: var(--bk-orange); color: #fff; border-color: var(--bk-orange); }
.bk-cities .bk-more { display: inline-block; margin-top: 22px; color: var(--bk-orange-d); }
/* full-width cities band: even, centred cloud instead of a cramped side-rail */
.bk-cities-band { text-align: center; padding: 38px 30px; }
.bk-cities-band .bk-city-cloud { justify-content: center; max-width: 920px; margin: 18px auto 0; }
.bk-cities-band h2 { margin: 8px 0 0; }
@media (max-width: 900px) { .bk-duo { grid-template-columns: 1fr; } }

.bk-cta-wrap { padding: 70px 28px 84px; }
.bk-cta { max-width: 1180px; margin: 0 auto; background: var(--bk-ink); border-radius: 28px; padding: clamp(40px,5vw,64px); color: #fff; display: grid; grid-template-columns: 1.4fr auto; gap: 40px; align-items: center; position: relative; overflow: hidden; }
.bk-cta::before { content: ""; position: absolute; right: -60px; top: -80px; width: 300px; height: 300px; border-radius: 50%; background: rgba(247,153,63,.16); }
.bk-cta-rel { position: relative; }
.bk-cta .bk-kicker { color: var(--bk-orange); }
.bk-cta h2 { font-size: clamp(26px,3.4vw,40px); font-weight: 800; letter-spacing: -.02em; margin: 10px 0 14px; max-width: 20ch; }
.bk-cta h2 .bk-hl { color: var(--bk-orange); }
.bk-cta p { font-size: 16px; color: #aebccb; line-height: 1.6; max-width: 50ch; }
.bk-cta-actions { position: relative; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.bk-cta-actions .bk-btn-orange { font-size: 16px; padding: 16px 32px; border-radius: 13px; box-shadow: 0 10px 26px rgba(247,153,63,.4); }
.bk-cta-actions .bk-note { font-size: 13.5px; color: #8497a8; }
@media (max-width: 820px) { .bk-cta { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.bk-foot { background: var(--bk-bg); border-top: 1px solid var(--bk-line); }
.bk-foot-grid { max-width: 1180px; margin: 0 auto; padding: 52px 28px 32px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.bk-foot p { max-width: 38ch; font-size: 14.5px; color: #6a7c8a; line-height: 1.6; margin-top: 14px; }
.bk-foot h5 { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--bk-muted2); margin-bottom: 14px; }
.bk-foot-col { display: flex; flex-direction: column; gap: 9px; font-size: 14.5px; color: var(--bk-muted); }
.bk-foot-col a:hover { color: var(--bk-blue); }
.bk-foot-bottom { border-top: 1px solid var(--bk-line); }
.bk-foot-bottom-in { max-width: 1180px; margin: 0 auto; padding: 20px 28px; font-size: 13px; color: var(--bk-muted2); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
@media (max-width: 760px) { .bk-foot-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   PANEL (dashboard)
   ========================================================================== */
.bk-panel { background: var(--bk-bg); min-height: 60vh; }
.bk-mstats { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.bk-mstat { background: #fff; border: 1px solid var(--bk-line); border-radius: 18px; padding: 22px 24px; }
.bk-mstat-ink { background: var(--bk-ink); border-color: var(--bk-ink); color: #fff; }
.bk-mstat-top { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.bk-mstat-ic { width: 38px; height: 38px; border-radius: 11px; background: var(--bk-tint); color: var(--bk-blue); display: grid; place-items: center; }
.bk-mstat-ink .bk-mstat-ic { background: rgba(255,201,51,.2); color: var(--bk-orange); }
.bk-mstat-lbl { font-size: 13.5px; font-weight: 600; color: #6a7c8a; }
.bk-mstat-ink .bk-mstat-lbl { color: #aebccb; }
.bk-mstat-num { font-size: 32px; font-weight: 800; letter-spacing: -.02em; }
.bk-mstat-ink .bk-mstat-num { color: var(--bk-orange); }
@media (max-width: 880px) { .bk-mstats { grid-template-columns: repeat(2,1fr); } }

.bk-panel-grid { display: grid; grid-template-columns: 330px 1fr; gap: 24px; align-items: start; }
@media (max-width: 880px) { .bk-panel-grid { grid-template-columns: 1fr; } }
.bk-side { display: flex; flex-direction: column; gap: 18px; }
.bk-side .bk-card-box, .bk-adspanel { background: #fff; border: 1px solid var(--bk-line); border-radius: 20px; padding: 26px; }
.bk-profile-top { display: flex; align-items: center; gap: 15px; }
.bk-profile-top .bk-ava-img, .bk-profile-top .bk-ava { width: 64px; height: 64px; border-radius: 50%; font-size: 26px; flex-shrink: 0; object-fit: cover; }
.bk-profile-top .bk-ava { background: linear-gradient(135deg,#16a6e0,#0f8fc4); color: #fff; }
.bk-profile-name { font-size: 18px; font-weight: 800; letter-spacing: -.01em; }
.bk-profile-sub { font-size: 13.5px; color: var(--bk-muted2); }
.bk-profile-edit { display: block; text-align: center; margin-top: 20px; font-size: 14.5px; font-weight: 700; color: var(--bk-blue); background: var(--bk-bg); border: 1px solid #d6e8f3; padding: 11px; border-radius: 11px; transition: border-color .15s; }
.bk-profile-edit:hover { border-color: var(--bk-blue); }
.bk-comp-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.bk-comp-head .bk-t { font-size: 14.5px; font-weight: 700; }
.bk-comp-head .bk-pct { font-size: 14.5px; font-weight: 800; color: var(--bk-blue); }
.bk-bar { height: 9px; border-radius: 999px; background: var(--bk-line2); overflow: hidden; }
.bk-bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg,#16a6e0,#45bdec); }
.bk-checklist { display: flex; flex-direction: column; gap: 11px; margin-top: 18px; }
.bk-check { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--bk-muted); }
.bk-check .bk-ic { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; }
.bk-check .bk-ic-ok { background: var(--bk-green-bg); color: var(--bk-green); }
.bk-check .bk-ic-todo { background: #fff2e4; color: var(--bk-orange-d); }
.bk-check.bk-todo { color: var(--bk-ink); font-weight: 600; }
.bk-tipcard { background: linear-gradient(155deg,#0f8fc4,#16a6e0); color: #fff; border-radius: 20px; padding: 24px; }
.bk-tipcard .bk-t { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 800; margin-bottom: 8px; }
.bk-tipcard p { font-size: 13.5px; color: #dcf1fb; line-height: 1.6; }

.bk-adspanel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.bk-adspanel-head h2 { font-size: 21px; font-weight: 800; letter-spacing: -.01em; }
.bk-adspanel-head p { font-size: 13.5px; color: var(--bk-muted2); margin-top: 3px; }
.bk-adlist { display: flex; flex-direction: column; gap: 14px; }
.bk-adrow { border: 1px solid #e9eff4; border-radius: 16px; padding: 20px; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; transition: border-color .15s, box-shadow .15s; }
.bk-adrow:hover { border-color: #cdeafa; box-shadow: 0 8px 22px rgba(21,33,46,.06); }
.bk-adrow .bk-ava { width: 52px; height: 52px; border-radius: 14px; font-size: 21px; }
.bk-adrow-main { min-width: 0; }
.bk-adrow-title { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; flex-wrap: wrap; }
.bk-adrow-title h3 { font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.bk-adrow-title .bk-price { font-size: 15px; font-weight: 800; color: var(--bk-blue); }
.bk-adrow-desc { font-size: 13.5px; color: var(--bk-muted); line-height: 1.5; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 52ch; }
.bk-adrow-meta { display: flex; gap: 14px; margin-top: 9px; font-size: 12.5px; font-weight: 600; color: var(--bk-muted2); flex-wrap: wrap; }
.bk-adrow-meta span { display: inline-flex; align-items: center; gap: 6px; }
.bk-adrow-actions { display: flex; gap: 8px; align-items: center; }
.bk-iconbtn { width: 40px; height: 40px; border-radius: 11px; border: 1px solid #d6e8f3; color: var(--bk-blue); display: grid; place-items: center; transition: background .15s, border-color .15s; }
.bk-iconbtn:hover { background: var(--bk-tint); border-color: var(--bk-blue); }
.bk-promote { display: inline-flex; align-items: center; gap: 7px; height: 40px; padding: 0 16px; border-radius: 11px; background: var(--bk-orange); color: #fff; font-size: 13.5px; font-weight: 700; white-space: nowrap; box-shadow: 0 6px 14px rgba(247,153,63,.32); transition: background .15s; }
.bk-promote:hover { background: var(--bk-orange-d); }
@media (max-width: 620px) { .bk-adrow { grid-template-columns: 1fr; } .bk-adrow-actions { justify-content: flex-start; } }

.bk-empty { text-align: center; padding: 54px 20px; }
.bk-empty .bk-ic { width: 72px; height: 72px; border-radius: 20px; background: var(--bk-tint); color: var(--bk-blue); display: grid; place-items: center; margin: 0 auto 18px; }
.bk-empty h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.bk-empty p { font-size: 14.5px; color: var(--bk-muted); max-width: 40ch; margin: 0 auto 24px; }

/* ==========================================================================
   SEARCH (results)
   ========================================================================== */
.bk-search-strip { background: #fff; border-bottom: 1px solid var(--bk-line2); }
.bk-search-strip-in { max-width: 1180px; margin: 0 auto; padding: 24px 28px; }
.bk-searchbar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.bk-searchbar .bk-sf { flex: 1; min-width: 240px; display: flex; align-items: center; gap: 11px; background: var(--bk-bg); border: 1px solid #e3eef5; border-radius: 13px; padding: 0 16px; }
.bk-searchbar input { flex: 1; border: none; outline: none; font-size: 15.5px; font-weight: 600; color: var(--bk-ink); padding: 14px 0; background: transparent; min-width: 0; }
.bk-searchbar button { border: none; cursor: pointer; font-weight: 700; font-size: 15.5px; color: #fff; background: var(--bk-blue); padding: 0 30px; border-radius: 13px; transition: background .15s; }
.bk-searchbar button:hover { background: var(--bk-blue-d); }
.bk-results-area { background: var(--bk-bg); }
.bk-results-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 26px; }
.bk-results-head h1 { font-size: clamp(24px,3vw,32px); font-weight: 800; letter-spacing: -.02em; }
.bk-results-head p { font-size: 15px; color: var(--bk-muted); margin-top: 6px; }
.bk-sort { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--bk-muted); flex-wrap: wrap; }
.bk-sort a { font-size: 13px; font-weight: 700; color: var(--bk-ink); background: #fff; border: 1px solid #d6e8f3; border-radius: 10px; padding: 8px 13px; transition: border-color .15s, color .15s; }
.bk-sort a:hover { border-color: var(--bk-blue); color: var(--bk-blue); }
.bk-sort a.asc::after { content: " ↑"; }
.bk-sort a.desc::after { content: " ↓"; }

.bk-results { display: flex; flex-direction: column; gap: 16px; padding-top: 22px; }
.bk-result { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; background: #fff; border: 1px solid var(--bk-line); border-radius: 18px; padding: 22px; box-shadow: 0 1px 2px rgba(21,33,46,.04); transition: transform .15s, box-shadow .15s, border-color .15s; }
.bk-result:hover { border-color: #cdeafa; box-shadow: 0 14px 32px rgba(21,33,46,.09); transform: translateY(-2px); }
.bk-result .bk-ava { width: 58px; height: 58px; border-radius: 16px; font-size: 23px; align-self: flex-start; }
.bk-result-main { min-width: 0; }
.bk-result-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 3px; }
.bk-result-title h3 { font-size: 18px; font-weight: 800; letter-spacing: -.01em; }
.bk-result-meta { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--bk-muted); margin-bottom: 11px; flex-wrap: wrap; }
.bk-result-meta .bk-rating { display: inline-flex; align-items: center; gap: 4px; color: var(--bk-ink); }
.bk-result-meta .bk-sep { color: #c3d2dd; }
.bk-result-desc { font-size: 14px; color: var(--bk-muted); line-height: 1.55; margin-bottom: 12px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.bk-result-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.bk-result-side { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; gap: 14px; white-space: nowrap; }
.bk-result-price { font-size: 22px; font-weight: 800; color: var(--bk-blue); text-align: right; }
.bk-result-price small { display: block; font-size: 12.5px; font-weight: 600; color: var(--bk-muted2); }
@media (max-width: 680px) { .bk-result { grid-template-columns: 1fr; } .bk-result-side { flex-direction: row; align-items: center; } }

/* knp pagination */
.bk-pager { display: flex; justify-content: center; padding: 32px 0 0; }
.bk-pager .pagination { display: flex; align-items: center; gap: 8px; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }
.bk-pager .pagination li, .bk-pager .pagination span, .bk-pager .pagination a { list-style: none; }
.bk-pager .pagination a, .bk-pager .pagination span { display: grid; place-items: center; min-width: 42px; height: 42px; padding: 0 12px; border-radius: 11px; border: 1px solid #e3eef5; background: #fff; color: var(--bk-ink); font-weight: 700; font-size: 14px; transition: border-color .15s; }
.bk-pager .pagination a:hover { border-color: #cdeafa; }
.bk-pager .pagination .current span, .bk-pager .pagination .current, .bk-pager .pagination .active span { background: var(--bk-blue); color: #fff; border-color: var(--bk-blue); }
.bk-pager .pagination .disabled span { color: #c3d2dd; }

/* ==========================================================================
   LISTING PAGES (subjects, cities) + AD DETAIL + LOGIN
   ========================================================================== */
.bk-page { background: var(--bk-bg); min-height: 60vh; }
.bk-phead { padding: 48px 28px 30px; }
.bk-phead-in { max-width: 1180px; margin: 0 auto; }
.bk-phead h1 { font-size: clamp(28px,3.6vw,42px); font-weight: 800; letter-spacing: -.025em; margin-top: 12px; }
.bk-phead p { font-size: 16px; color: var(--bk-muted); margin-top: 8px; max-width: 60ch; text-wrap: balance; }

/* tile grid (subjects / cities lists) */
.bk-tiles { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
@media (max-width: 960px) { .bk-tiles { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .bk-tiles { grid-template-columns: 1fr; } }
.bk-tile { display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--bk-line); border-radius: 16px; padding: 18px 20px; transition: transform .15s, box-shadow .15s, border-color .15s; }
.bk-tile:hover { border-color: #cdeafa; box-shadow: 0 12px 28px rgba(22,166,224,.12); transform: translateY(-2px); }
.bk-tile .bk-ava { width: 46px; height: 46px; border-radius: 13px; font-size: 18px; }
.bk-tile-main { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.bk-tile-name { font-size: 16px; font-weight: 800; letter-spacing: -.01em; }
.bk-tile-sub { font-size: 13px; font-weight: 600; color: var(--bk-muted2); margin-top: 2px; }
.bk-tile-arrow { color: #c3d2dd; flex-shrink: 0; transition: color .15s, transform .15s; }
.bk-tile:hover .bk-tile-arrow { color: var(--bk-blue); transform: translateX(3px); }

/* ---------- login / auth ---------- */
.bk-auth { background: var(--bk-bg); min-height: calc(100vh - 72px); display: grid; place-items: center; padding: 48px 24px; }
.bk-auth-card { width: 100%; max-width: 940px; background: #fff; border: 1px solid var(--bk-line); border-radius: 24px; overflow: hidden; box-shadow: 0 24px 60px rgba(21,33,46,.10); display: grid; grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) { .bk-auth-card { grid-template-columns: 1fr; } .bk-auth-aside { display: none; } }
.bk-auth-aside { background: linear-gradient(160deg,#0f8fc4 0%, #16a6e0 70%, #45bdec 100%); color: #fff; padding: clamp(32px,4vw,52px); display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.bk-auth-aside::after { content: ""; position: absolute; right: -70px; bottom: -90px; width: 280px; height: 280px; border-radius: 50%; background: rgba(255,255,255,.10); }
.bk-auth-aside h2 { font-size: clamp(26px,3vw,34px); font-weight: 800; letter-spacing: -.02em; line-height: 1.12; position: relative; }
.bk-auth-aside p { font-size: 15px; color: #dcf1fb; margin-top: 14px; line-height: 1.6; position: relative; max-width: 34ch; }
.bk-auth-aside .bk-brand { margin-bottom: 26px; color: #fff; position: relative; }
.bk-auth-aside .bk-brand .bk-mark { background: #fff; color: var(--bk-blue); box-shadow: none; }
.bk-auth-aside .bk-tld { color: #cdeafa; }
.bk-auth-body { padding: clamp(32px,4vw,52px); }
.bk-auth-body h3 { font-size: 22px; font-weight: 800; letter-spacing: -.01em; margin-bottom: 24px; }
.bk-form-row { margin-bottom: 18px; }
.bk-label { display: flex; align-items: center; justify-content: space-between; font-size: 13.5px; font-weight: 700; color: var(--bk-ink); margin-bottom: 8px; }
.bk-label a { font-size: 12.5px; font-weight: 600; color: var(--bk-blue); }
.bk-label a:hover { color: var(--bk-blue-d); }
.bk-input { width: 100%; border: 1px solid #d6e8f3; border-radius: 12px; padding: 13px 15px; font-size: 15px; color: var(--bk-ink); outline: none; transition: border-color .15s, box-shadow .15s; background: #fff; }
.bk-input:focus { border-color: var(--bk-blue); box-shadow: 0 0 0 3px rgba(22,166,224,.14); }
.bk-input::placeholder { color: #9bb0c0; }
.bk-btn-submit { width: 100%; border: none; cursor: pointer; font-weight: 700; font-size: 15.5px; color: #fff; background: var(--bk-blue); padding: 14px; border-radius: 12px; transition: background .15s; margin-top: 6px; }
.bk-btn-submit:hover { background: var(--bk-blue-d); }
/* checkbox / radio items in forms (incl. Bootstrap theme's .form-check markup,
   restyled here because the Bootstrap stylesheet is intentionally not loaded) */
.bk-checkitem, .bk-form-panel .form-check { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 600; color: var(--bk-ink); cursor: pointer; padding: 0; margin: 0; min-height: 0; }
.bk-checkitem input[type="checkbox"], .bk-checkitem input[type="radio"], .bk-form-panel .form-check-input { width: 18px; height: 18px; accent-color: var(--bk-blue); cursor: pointer; flex-shrink: 0; margin: 0; }
.bk-form-panel .form-check-label { font-size: 14.5px; font-weight: 600; color: var(--bk-ink); cursor: pointer; margin: 0; }
.bk-checkgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 22px; padding: 16px 18px; border: 1px solid #d6e8f3; border-radius: 14px; background: var(--bk-bg); }
@media (max-width: 560px) { .bk-checkgrid { grid-template-columns: 1fr; } }
.bk-alert { background: #fdecea; border: 1px solid #f7cfc8; color: #c0392b; border-radius: 12px; padding: 12px 15px; font-size: 14px; font-weight: 600; margin-bottom: 18px; }
.bk-auth-foot { font-size: 14px; color: var(--bk-muted); margin-top: 22px; }
.bk-auth-foot a { font-weight: 700; color: var(--bk-blue); }
.bk-auth-foot a:hover { color: var(--bk-blue-d); }

/* ---------- ad detail ---------- */
.bk-ad-wrap { max-width: 1180px; margin: 0 auto; padding: 26px 28px 84px; }
.bk-ad-grid { display: grid; grid-template-columns: 340px 1fr; gap: 24px; align-items: start; margin-top: 18px; }
@media (max-width: 900px) { .bk-ad-grid { grid-template-columns: 1fr; } }
.bk-teacher-card { background: #fff; border: 1px solid var(--bk-line); border-radius: 22px; padding: 30px; text-align: center; position: sticky; top: 90px; }
@media (max-width: 900px) { .bk-teacher-card { position: static; } }
.bk-teacher-card .bk-ava-img, .bk-teacher-card .bk-ava-lg { width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 16px; object-fit: cover; }
.bk-teacher-card .bk-ava-lg { background: linear-gradient(135deg,#16a6e0,#0f8fc4); color: #fff; display: grid; place-items: center; font-size: 46px; font-weight: 800; }
.bk-teacher-name { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.bk-teacher-rating { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; font-weight: 700; color: var(--bk-ink); margin-top: 8px; }
.bk-teacher-rating .bk-c { color: var(--bk-muted2); font-weight: 600; }
.bk-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 16px 0; }
.bk-badge-on { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; color: var(--bk-tint-ink); background: var(--bk-tint); border: 1px solid #cdeafa; padding: 6px 12px; border-radius: 999px; }
.bk-teacher-desc { font-size: 14px; color: var(--bk-muted); line-height: 1.6; text-align: left; margin: 16px 0; }
.bk-contact { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 600; color: var(--bk-ink); background: var(--bk-bg); border: 1px solid var(--bk-line); border-radius: 12px; padding: 12px 15px; margin-bottom: 10px; }
.bk-contact svg { color: var(--bk-blue); flex-shrink: 0; }
.bk-teacher-card .bk-btn-ghost { display: block; margin-top: 6px; }
.bk-ad-card { background: #fff; border: 1px solid var(--bk-line); border-radius: 22px; padding: clamp(24px,3vw,36px); }
.bk-ad-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--bk-line); }
.bk-ad-head h1 { font-size: clamp(24px,3vw,34px); font-weight: 800; letter-spacing: -.02em; }
.bk-ad-loc { display: flex; align-items: center; gap: 7px; font-size: 14.5px; font-weight: 600; color: var(--bk-muted); margin-top: 8px; }
.bk-ad-loc svg { color: var(--bk-orange); flex-shrink: 0; }
.bk-ad-price { text-align: right; white-space: nowrap; }
.bk-ad-price .bk-v { font-size: 30px; font-weight: 800; color: var(--bk-blue); letter-spacing: -.02em; }
.bk-ad-price small { display: block; font-size: 12.5px; font-weight: 600; color: var(--bk-muted2); }
.bk-ad-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.bk-videoratio { position: relative; width: 100%; aspect-ratio: 16/9; border-radius: 16px; overflow: hidden; margin-bottom: 24px; background: #000; }
.bk-videoratio iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.bk-ad-section-t { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--bk-muted2); margin-bottom: 12px; }
.bk-ad-desc { font-size: 15.5px; color: #38485a; line-height: 1.75; }
.bk-ad-desc p { margin-bottom: 12px; }
.bk-ad-actions { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--bk-line); }