/* ==========================================================================
   Nereden Gitsek — arayuz stilleri

   Streamlit'in yerine yazilan kendi istemcimiz. Tasarim dili app.py'deki
   --gz-* tokenlariyla AYNI: oradan buraya tasindiginda ekran degismis gibi
   gorunmesin diye renk, yaricap, golge ve egri degerleri birebir alindi.

   Font: disaridan yukleme YOK. Sistem yazi tipi yigini hem celi, hem
   cevrimdisi calisir, hem sifir maliyet kisitina uyar (CLAUDE.md §4).
   ========================================================================== */

:root {
  --gz-accent: #C1571E;
  --gz-accent-hi: #E8834A;
  --gz-accent-soft: rgba(193, 87, 30, 0.09);

  /* Ana eylem rengi: "Rotayi olustur". Beyaz yazi ile 6.2:1 kontrast. */
  --gz-cta: #C1121F;
  --gz-cta-hi: #A50E1A;
  --gz-cta-glow: rgba(193, 18, 31, 0.30);

  --gz-ink: #14181D;
  --gz-muted: #626E7A;
  --gz-faint: #93A0AC;

  --gz-bg: #FBFAF9;
  --gz-card: #FFFFFF;
  --gz-sunken: rgba(20, 30, 45, 0.035);
  --gz-line: rgba(20, 30, 45, 0.09);
  --gz-line-hi: rgba(20, 30, 45, 0.16);

  --gz-side-bg: #F4F2F0;
  --gz-side-ink: #14181D;

  --gz-r-xs: 8px;
  --gz-r-sm: 12px;
  --gz-radius: 16px;
  --gz-r-full: 999px;

  --gz-shadow-xs: 0 1px 2px rgba(20, 30, 45, 0.05);
  --gz-shadow-sm: 0 2px 6px rgba(20, 30, 45, 0.06);
  --gz-shadow: 0 8px 24px -8px rgba(20, 30, 45, 0.16), 0 2px 6px rgba(20, 30, 45, 0.04);
  --gz-shadow-lg: 0 24px 56px -20px rgba(20, 30, 45, 0.28), 0 4px 12px rgba(20, 30, 45, 0.06);

  --gz-egri: cubic-bezier(0.32, 0.72, 0, 1);
  --gz-hiz: 180ms;
  --gz-yavas: 320ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    --gz-accent: #F08B4F;
    --gz-accent-hi: #FFA871;
    --gz-accent-soft: rgba(240, 139, 79, 0.14);

    --gz-ink: #E9EDF2;
    --gz-muted: #98A4B2;
    --gz-faint: #6C7A88;

    --gz-bg: #0E1116;
    --gz-card: #161A21;
    --gz-sunken: rgba(255, 255, 255, 0.03);
    --gz-line: rgba(255, 255, 255, 0.10);
    --gz-line-hi: rgba(255, 255, 255, 0.18);

    /* Kenar cubugu neredeyse opak: arkadaki harita yazilarin uzerinden
       gecmesin. Yazi rengi saf beyaz. */
    --gz-side-bg: #12161C;
    --gz-side-ink: #FFFFFF;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--gz-bg);
  color: var(--gz-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { letter-spacing: -0.03em; margin: 0; }

button, input, select, textarea { font: inherit; color: inherit; }

/* =========================================================== ust bar */
.gz-ust {
  position: sticky; top: 0; z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.7rem 1.1rem;
  background: color-mix(in srgb, var(--gz-bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.5);
  -webkit-backdrop-filter: blur(14px) saturate(1.5);
  border-bottom: 1px solid var(--gz-line);
}
.gz-marka { display: flex; align-items: center; gap: 0.6rem; }
.gz-marka-ikon { font-size: 1.5rem; line-height: 1; }
.gz-marka b { display: block; font-size: 1.06rem; font-weight: 760; }
.gz-marka i {
  display: block; font-style: normal; font-size: 0.78rem;
  color: var(--gz-muted);
}
.gz-cubuk-dugme { display: none; }

/* =========================================================== duzen */
.gz-duzen { display: grid; grid-template-columns: 340px 1fr; align-items: start; }

.gz-yan {
  position: sticky; top: 57px;
  height: calc(100vh - 57px); overflow-y: auto;
  padding: 1.1rem 1.1rem 2.5rem;
  background: var(--gz-side-bg); color: var(--gz-side-ink);
  border-right: 1px solid var(--gz-line);
}
.gz-ana { padding: 1.2rem 1.3rem 3rem; min-width: 0; }

/* =========================================================== form */
.gz-bolum { margin-bottom: 1.4rem; }
.gz-bolum h3 {
  font-size: 0.72rem; font-weight: 680; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--gz-faint);
  margin-bottom: 0.55rem; padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--gz-line);
}
/* Bolum basliklari buyuk harf — ama bu baslik bir SORU. Buyuk harfli
   soru bagirmis gibi durur ve okunmasi zorlasir; normal yazilir ve
   metin rengini alir. */
.gz-bolum h3.gz-soru {
  text-transform: none; font-size: 0.88rem; font-weight: 660;
  letter-spacing: -0.01em; color: var(--gz-ink);
}

.gz-alan { display: block; margin-bottom: 0.7rem; }
.gz-alan > span {
  display: block; font-size: 0.82rem; font-weight: 600;
  margin-bottom: 0.28rem; color: var(--gz-side-ink);
}
.gz-alan input, .gz-alan textarea, .gz-alan select {
  width: 100%; padding: 0.52rem 0.65rem;
  background: var(--gz-card);
  border: 1px solid var(--gz-line-hi);
  border-radius: var(--gz-r-xs);
  outline: none;
  transition: border-color var(--gz-hiz) var(--gz-egri),
              box-shadow var(--gz-hiz) var(--gz-egri);
}
.gz-alan textarea { resize: vertical; }
.gz-alan input:focus, .gz-alan textarea:focus, .gz-alan select:focus {
  border-color: var(--gz-accent);
  box-shadow: 0 0 0 3px var(--gz-accent-soft);
}
.gz-ikili { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }

.gz-kaydirici { display: block; margin-bottom: 0.9rem; }
.gz-kaydirici > span {
  display: flex; justify-content: space-between; gap: 0.5rem;
  font-size: 0.82rem; margin-bottom: 0.3rem;
}
.gz-kaydirici b { font-variant-numeric: tabular-nums; color: var(--gz-accent); }
.gz-kaydirici input[type="range"] {
  width: 100%; accent-color: var(--gz-accent);
}

.gz-anahtar {
  display: flex; gap: 0.55rem; align-items: flex-start;
  font-size: 0.86rem; margin-bottom: 0.65rem; cursor: pointer;
}
.gz-anahtar input { margin-top: 0.25rem; accent-color: var(--gz-accent); }

.gz-ipucu { font-size: 0.76rem; color: var(--gz-muted); margin: 0.25rem 0 0; }
.gz-orta { text-align: center; }

.gz-acilir { margin-top: 0.5rem; }
.gz-acilir summary {
  cursor: pointer; font-size: 0.84rem; font-weight: 600;
  padding: 0.4rem 0; color: var(--gz-side-ink);
}

.gz-cip-grup { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.4rem; }
.gz-cip {
  padding: 0.3rem 0.65rem; border-radius: var(--gz-r-full);
  border: 1px solid var(--gz-line-hi); background: transparent;
  cursor: pointer; font-size: 0.78rem;
  transition: background var(--gz-hiz) var(--gz-egri),
              border-color var(--gz-hiz) var(--gz-egri);
}
.gz-cip[aria-pressed="true"] {
  background: var(--gz-accent-soft);
  border-color: var(--gz-accent);
  color: var(--gz-accent);
  font-weight: 620;
}

.gz-birincil {
  width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--gz-cta);
  border-radius: var(--gz-r-sm); background: var(--gz-cta); color: #FFFFFF;
  font-weight: 660; cursor: pointer;
  box-shadow: 0 8px 24px -8px var(--gz-cta-glow);
  transition: background var(--gz-hiz) var(--gz-egri),
              transform var(--gz-hiz) var(--gz-egri),
              box-shadow var(--gz-hiz) var(--gz-egri);
}
.gz-birincil:hover { background: var(--gz-cta-hi); border-color: var(--gz-cta-hi); }
.gz-birincil:active { transform: scale(0.985); }
.gz-birincil[disabled] { opacity: 0.55; cursor: progress; }

.gz-ikincil {
  padding: 0.55rem 1rem; border-radius: var(--gz-r-sm);
  border: 1px solid var(--gz-line-hi); background: transparent;
  cursor: pointer; font-weight: 600;
}

/* =========================================================== durumlar */

/* `hidden` NITELIGI CALISMIYORDU.
   Tarayici `hidden`i kendi varsayilan kuraliyla (`display: none`) uygular;
   bu BIR UA KURALI, yani asagidaki `.gz-bos { display: grid }` gibi bir
   YAZAR kurali onu ezip geciyor. Sonuc: bos / yukleniyor / hata bolumleri
   AYNI ANDA ekranda duruyordu ve hic kaybolmuyordu.
   Bu satir olmadan `hidden` bu sayfada hicbir sey ifade etmiyor. */
[hidden] { display: none !important; }

.gz-bos, .gz-yukleniyor, .gz-hata {
  display: grid; place-content: center; text-align: center;
  min-height: 60vh; padding: 2rem;
}
.gz-bos-ikon { font-size: 3rem; }
.gz-bos h2, .gz-yukleniyor h2, .gz-hata h2 {
  font-size: 1.35rem; margin: 0.7rem 0 0.4rem;
}
.gz-bos p, .gz-yukleniyor p, .gz-hata p { color: var(--gz-muted); margin: 0 auto; max-width: 34ch; }

.gz-doner {
  width: 40px; height: 40px; margin: 0 auto 0.4rem;
  border: 3px solid var(--gz-line);
  border-top-color: var(--gz-cta);
  border-radius: 50%;
  animation: gz-don 900ms linear infinite;
}
@keyframes gz-don { to { transform: rotate(360deg); } }

.gz-cubuk {
  width: min(340px, 80%); height: 4px; margin: 1rem auto 0;
  background: var(--gz-sunken); border-radius: var(--gz-r-full);
  overflow: hidden;
}
.gz-cubuk > i {
  display: block; height: 100%; width: 0%;
  background: var(--gz-cta); border-radius: inherit;
  transition: width 400ms var(--gz-egri);
}

/* =========================================================== sonuc */
.gz-giris {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem;
  align-items: baseline; margin-bottom: 0.9rem;
  animation: gz-rise 460ms var(--gz-egri) both;
}
.gz-giris h2 { font-size: clamp(1.15rem, 3vw, 1.6rem); }
.gz-giris .gz-rota-adi { color: var(--gz-muted); font-size: 0.9rem; }

.gz-metrikler {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem; margin-bottom: 1.1rem;
}
.gz-metrik {
  padding: 0.7rem 0.85rem; background: var(--gz-card);
  border: 1px solid var(--gz-line); border-radius: var(--gz-radius);
  box-shadow: var(--gz-shadow-sm);
  animation: gz-rise 460ms var(--gz-egri) both;
}
.gz-metrik span {
  display: block; font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gz-faint);
}
.gz-metrik b {
  font-size: 1.25rem; font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.gz-uyari {
  padding: 0.65rem 0.85rem; border-radius: var(--gz-r-sm);
  font-size: 0.85rem; margin-bottom: 0.7rem;
  border-left: 3px solid var(--gz-accent);
  background: var(--gz-accent-soft);
}

/* gun sekmeleri */
.gz-sekmeler {
  display: flex; gap: 0.35rem; flex-wrap: wrap; margin-bottom: 0.9rem;
}
.gz-sekme {
  padding: 0.42rem 0.9rem; border-radius: var(--gz-r-full);
  border: 1px solid var(--gz-line-hi); background: transparent;
  cursor: pointer; font-size: 0.85rem; font-weight: 600;
  transition: background var(--gz-hiz) var(--gz-egri),
              color var(--gz-hiz) var(--gz-egri);
}
.gz-sekme[aria-selected="true"] {
  background: var(--gz-accent-soft); border-color: var(--gz-accent);
  color: var(--gz-accent);
}

.gz-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
            gap: 1.1rem; align-items: start; }
@media (max-width: 1050px) { .gz-panel { grid-template-columns: 1fr; } }

/* durak kartlari */
.gz-gun-ozet {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1rem;
  font-size: 0.82rem; color: var(--gz-muted); margin-bottom: 0.7rem;
}
.gz-gun-ozet b { color: var(--gz-ink); font-variant-numeric: tabular-nums; }

.gz-durak {
  display: grid; grid-template-columns: auto 1fr; gap: 0.7rem;
  padding: 0.85rem; margin-bottom: 0.6rem;
  background: var(--gz-card); border: 1px solid var(--gz-line);
  border-radius: var(--gz-radius); box-shadow: var(--gz-shadow-sm);
  animation: gz-slide 480ms var(--gz-egri) both;
}
.gz-durak-no {
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-content: center;
  font-size: 0.82rem; font-weight: 700; color: #FFFFFF;
  font-variant-numeric: tabular-nums;
}
.gz-durak-ust { display: flex; flex-wrap: wrap; gap: 0.35rem 0.6rem; align-items: baseline; }
.gz-durak-ust b { font-size: 1rem; }
.gz-rozet {
  font-size: 0.68rem; padding: 0.12rem 0.5rem; border-radius: var(--gz-r-full);
  background: var(--gz-sunken); color: var(--gz-muted); white-space: nowrap;
}
.gz-rozet-saat { background: var(--gz-accent-soft); color: var(--gz-accent); font-weight: 620; }
.gz-durak-alt { font-size: 0.78rem; color: var(--gz-muted); margin-top: 0.2rem; }

.gz-gorsel {
  width: 100%; max-height: 190px; object-fit: cover;
  border-radius: var(--gz-r-sm); margin-top: 0.6rem; display: block;
  background: var(--gz-sunken);
}
.gz-anlati {
  margin-top: 0.55rem; font-size: 0.87rem; color: var(--gz-muted);
  line-height: 1.65; padding-left: 0.75rem;
  border-left: 2px solid var(--gz-accent-soft);
}
.gz-kaynak {
  display: inline-block; margin-top: 0.5rem; font-size: 0.78rem;
  color: var(--gz-accent); text-decoration: none; font-weight: 600;
}
.gz-kaynak:hover { text-decoration: underline; }

.gz-gece {
  display: flex; gap: 0.6rem; align-items: center;
  padding: 0.7rem 0.85rem; margin-bottom: 0.6rem;
  border-radius: var(--gz-radius); font-size: 0.88rem;
  background: var(--gz-accent-soft);
  border: 1px dashed var(--gz-accent);
}
.gz-gece.gz-benim { background: var(--gz-sunken); border-color: var(--gz-line-hi); }

/* harita */
.gz-harita-kap { position: sticky; top: 72px; }
#gz-harita {
  height: min(70vh, 620px); border-radius: 18px;
  box-shadow: var(--gz-shadow); background: var(--gz-sunken);
}
.gz-harita-alt { font-size: 0.78rem; color: var(--gz-muted); margin-top: 0.5rem; }

/* araba isaretcisi */
.gz-araba { background: none; border: none; }
.gz-araba-ic {
  width: 40px; height: 40px; display: grid; place-content: center;
  transform: rotate(var(--gz-aci, 0deg));
  transition: transform 260ms linear;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.35));
}
.gz-araba-nabiz {
  position: absolute; inset: 2px; border-radius: 50%;
  background: var(--gz-cta); opacity: 0.18;
  animation: gz-nabiz 1.8s ease-out infinite;
}
@keyframes gz-nabiz {
  0% { transform: scale(0.6); opacity: 0.28; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* =========================================================== geri bildirim */
.gz-geri-ac {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 600;
  padding: 0.5rem 0.95rem; border-radius: var(--gz-r-full);
  border: 1px solid var(--gz-line-hi);
  background: var(--gz-card); box-shadow: var(--gz-shadow);
  cursor: pointer; font-size: 0.85rem; font-weight: 600;
}
.gz-perde { position: fixed; inset: 0; z-index: 700; background: rgba(6, 9, 13, 0.5); }
.gz-geri {
  position: fixed; z-index: 710; right: 0; top: 0; bottom: 0;
  width: min(420px, 100%); overflow-y: auto;
  background: var(--gz-card); border-left: 1px solid var(--gz-line);
  box-shadow: var(--gz-shadow-lg);
  animation: gz-kay 320ms var(--gz-egri) both;
}
.gz-geri header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.1rem; border-bottom: 1px solid var(--gz-line);
  position: sticky; top: 0; background: var(--gz-card);
}
.gz-geri h2 { font-size: 1.05rem; }
.gz-geri-govde { padding: 1.1rem; }
.gz-kapat {
  border: none; background: transparent; cursor: pointer;
  font-size: 1.1rem; padding: 0.2rem 0.4rem; border-radius: var(--gz-r-xs);
}

@keyframes gz-kay { from { transform: translateX(100%); } to { transform: none; } }
@keyframes gz-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes gz-slide { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* =========================================================== mobil */
@media (max-width: 900px) {
  .gz-duzen { grid-template-columns: 1fr; }
  .gz-yan {
    position: fixed; z-index: 620; left: 0; top: 0; bottom: 0;
    width: min(360px, 92vw); height: 100vh;
    transform: translateX(-102%);
    transition: transform var(--gz-yavas) var(--gz-egri);
    box-shadow: var(--gz-shadow-lg);
  }
  .gz-yan.gz-acik { transform: none; }
  .gz-cubuk-dugme {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.45rem 0.85rem; border-radius: var(--gz-r-full);
    border: 1px solid var(--gz-line-hi); background: var(--gz-card);
    cursor: pointer; font-size: 0.85rem; font-weight: 600;
  }
  .gz-ana { padding: 0.9rem 0.9rem 3rem; }
  .gz-harita-kap { position: static; }
  #gz-harita { height: 58vh; }
}

/* Hareketi sevmeyen biri icin hepsi kapanir. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Klavye ile gezinme gorunur kalsin. */
:focus-visible { outline: 3px solid var(--gz-accent-soft); outline-offset: 2px; }