:root {
  --bg: #14110f;
  --ink: #f3ebe2;
  --dim: rgba(243, 235, 226, 0.6);
  --faint: rgba(243, 235, 226, 0.14);
  --glass: rgba(20, 17, 15, 0.5);
  --accent: #e8a87c;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; }
#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; }

.giris, .ana, .ayarlar, .ekran { position: relative; z-index: 1; }

/* giriş */
.giris { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 24px 16px; }
.giris h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(48px, 9vw, 104px); margin: 8px 0 36px; letter-spacing: -0.02em; }
.ust { color: var(--dim); letter-spacing: 0.08em; text-transform: uppercase; font-size: 12px; margin: 0; }
.not { color: var(--dim); max-width: 420px; margin: 28px auto 0; line-height: 1.6; font-size: 14px; }
.basla {
  background: var(--accent); color: #1b130e; border: 0; border-radius: 999px;
  padding: 16px 44px; font-size: 17px; font-weight: 600; transition: transform .2s, box-shadow .2s;
  box-shadow: 0 10px 40px rgba(232, 168, 124, 0.25);
}
.basla:hover { transform: translateY(-2px); box-shadow: 0 14px 50px rgba(232, 168, 124, 0.35); }
.basla:disabled { opacity: .6; transform: none; }

/* ana */
.ana { min-height: 100vh; max-width: 720px; margin: 0 auto; padding: 24px 16px 40px; display: flex; flex-direction: column; }
.bas { display: flex; justify-content: space-between; align-items: center; }
.marka { font-family: var(--serif); font-size: 18px; opacity: .85; }
.bas-sag { display: flex; align-items: center; gap: 12px; }
.saat-kucuk { color: var(--dim); font-variant-numeric: tabular-nums; font-size: 14px; }

.simdi { flex: 1; display: flex; flex-direction: column; justify-content: center; text-align: center; padding: 48px 0 32px; min-height: 300px; }
.tur { color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase; font-size: 12px; font-weight: 600; margin: 0 0 14px; }
.ad { font-family: var(--serif); font-weight: 300; font-size: clamp(38px, 7vw, 68px); line-height: 1.05; margin: 0; transition: opacity 1.2s; letter-spacing: -0.01em; }
.ad.soluk { opacity: 0; }
.bilgi { color: var(--dim); margin: 16px 0 0; font-size: 14px; font-variant-numeric: tabular-nums; }
.sonraki { color: var(--dim); opacity: .7; font-size: 13px; margin: 10px 0 0; min-height: 1.2em; }

.ikon { background: transparent; border: 0; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; transition: background .2s; }
.ikon:hover { background: var(--faint); }
.ikon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ikon.buyuk { width: 52px; height: 52px; }
.ikon.aktif { color: var(--accent); }
.ikon.aktif svg { fill: currentColor; }
.ikon.pop { animation: pop .5s; }
@keyframes pop { 40% { transform: scale(1.25); } }

.kontrol { display: flex; justify-content: center; align-items: center; gap: 18px; margin-bottom: 36px; }
.cal { width: 76px; height: 76px; border-radius: 50%; border: 0; background: var(--ink); color: var(--bg); display: grid; place-items: center; transition: transform .2s; }
.cal:hover { transform: scale(1.05); }
.cal svg { width: 28px; height: 28px; fill: currentColor; }
.cal .i-cal { display: none; }
.cal.durdu .i-cal { display: block; }
.cal.durdu .i-dur { display: none; }

.kaydiricilar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; background: var(--glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border: 1px solid var(--faint); border-radius: 20px; padding: 18px 20px; }
.kay { display: flex; flex-direction: column; gap: 10px; font-size: 13px; color: var(--dim); }
.kay small { display: flex; justify-content: space-between; font-size: 11px; opacity: .7; }
.kay small i { font-style: normal; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; background: transparent; }
input[type=range]::-webkit-slider-runnable-track { height: 3px; border-radius: 3px; background: linear-gradient(to right, var(--accent) var(--p, 50%), var(--faint) var(--p, 50%)); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--ink); margin-top: -6.5px; box-shadow: 0 2px 8px rgba(0,0,0,.4); }
input[type=range]::-moz-range-track { height: 3px; border-radius: 3px; background: var(--faint); }
input[type=range]::-moz-range-progress { height: 3px; background: var(--accent); }
input[type=range]::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--ink); }

.hazir { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
.hazir button, .secim button, .kucuk {
  background: transparent; border: 1px solid var(--faint); border-radius: 999px; padding: 8px 16px; font-size: 13px; color: var(--dim); transition: all .2s;
}
.hazir button:hover, .secim button:hover, .kucuk:hover { color: var(--ink); border-color: var(--dim); }
.hazir button.secili, .secim button.secili { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.ipucu { text-align: center; color: var(--dim); opacity: .5; font-size: 12px; margin: 28px 0 0; }

/* ayarlar */
.ayarlar { position: fixed; inset: 0; z-index: 5; background: rgba(0,0,0,.35); display: flex; justify-content: flex-end; }
.ay-ic { width: min(420px, 100%); height: 100%; overflow-y: auto; background: rgba(24, 20, 18, 0.94); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border-left: 1px solid var(--faint); padding: 24px; }
.ay-bas { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.ay-bas h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; margin: 0; }
.satir { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--faint); }
.satir.dikey { flex-direction: column; align-items: stretch; }
.satir b { font-weight: 500; font-size: 15px; display: block; }
.satir small { color: var(--dim); font-size: 12.5px; line-height: 1.45; display: block; margin-top: 4px; }
.secim { display: flex; flex-wrap: wrap; gap: 6px; }
.kalan { color: var(--accent) !important; }
.anahtar { -webkit-appearance: none; appearance: none; width: 44px; height: 26px; border-radius: 13px; background: var(--faint); position: relative; cursor: pointer; transition: background .2s; flex-shrink: 0; }
.anahtar::after { content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--ink); transition: transform .2s; }
.anahtar:checked { background: var(--accent); }
.anahtar:checked::after { transform: translateX(18px); }
.alt { color: var(--dim); font-size: 12.5px; line-height: 1.6; margin-top: 24px; }
.alt a { color: var(--accent); }

/* ekran modu */
.ekran { position: fixed; inset: 0; z-index: 6; display: flex; flex-direction: column; justify-content: center; align-items: center; cursor: none; background: rgba(0,0,0,.15); }
.ekran-saat { font-family: var(--serif); font-weight: 300; font-size: clamp(90px, 20vw, 260px); font-variant-numeric: tabular-nums; letter-spacing: -0.03em; opacity: .9; }
.ekran-ad { color: var(--dim); font-size: 18px; margin-top: 8px; transition: opacity 1.2s; }

@media (max-width: 560px) {
  .kaydiricilar { grid-template-columns: 1fr; }
  .kontrol { gap: 8px; }
}

/* boşta: arayüz söner */
.ana, .bas, .kontrol, .kaydiricilar, .hazir, .ipucu, .bilgi, .sonraki, .tur { transition: opacity 1.6s ease; }
body.sakin { cursor: none; }
body.sakin .bas, body.sakin .kontrol, body.sakin .kaydiricilar, body.sakin .hazir, body.sakin .ipucu, body.sakin .sonraki { opacity: 0; pointer-events: none; }
body.sakin .bilgi, body.sakin .tur { opacity: .5; }
body.sakin .ad { opacity: .85; }
.ad, .bilgi, .tur { text-shadow: 0 2px 30px rgba(0,0,0,.45); }
body.duz { background: radial-gradient(ellipse at 30% 20%, #3a2620, #14110f 70%); }
body.sakin .ad.soluk { opacity: 0; }

/* ---- sade düzen: ekran görsele kalır, arayüz kenarlarda küçük ---- */
.ana { position: fixed; inset: 0; max-width: none; margin: 0; padding: 26px 34px 28px; display: flex; flex-direction: column; justify-content: space-between; min-height: 0; }
.marka { font-size: 15px; opacity: .7; }
.saat-kucuk { font-size: 13px; }
.alt-satir { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
.simdi { flex: 0 1 auto; min-height: 0; padding: 0; text-align: left; max-width: 46vw; }
.tur { font-size: 10.5px; margin: 0 0 8px; letter-spacing: .16em; opacity: .9; }
.ad { font-size: clamp(22px, 2.6vw, 34px); line-height: 1.1; }
.bilgi { font-size: 12px; margin-top: 8px; }
.sonraki { font-size: 11.5px; margin-top: 4px; }
.panel { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.kontrol { gap: 4px; margin: 0; }
.ikon.buyuk { width: 38px; height: 38px; }
.ikon.buyuk svg { width: 18px; height: 18px; }
.cal { width: 46px; height: 46px; margin: 0 4px; background: rgba(243,235,226,.92); }
.cal svg { width: 18px; height: 18px; }
.kaydiricilar { display: flex; gap: 18px; padding: 0; background: none; border: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }
.kay { flex-direction: row; align-items: center; gap: 8px; font-size: 11px; width: 130px; }
.kay span { width: 40px; flex-shrink: 0; opacity: .75; }
input[type=range] { height: 16px; }
input[type=range]::-webkit-slider-runnable-track { height: 2px; }
input[type=range]::-webkit-slider-thumb { width: 11px; height: 11px; margin-top: -4.5px; }
.hazir { margin: 0; gap: 4px; justify-content: flex-end; }
.hazir button { padding: 4px 10px; font-size: 11px; border-color: rgba(243,235,226,.1); }
.ipucu { display: none; }
.ana .ikon:hover { background: rgba(243,235,226,.08); }
@media (max-width: 760px) {
  .ana { padding: 18px 16px 20px; }
  .alt-satir { flex-direction: column; align-items: stretch; }
  .simdi { max-width: none; }
  .panel { align-items: stretch; }
  .kontrol { justify-content: center; }
  .kaydiricilar { flex-direction: column; gap: 6px; }
  .kay { width: auto; }
  .hazir { justify-content: center; flex-wrap: wrap; }
}