/* ==========================================================================
   S!NYAL !X — Login ekranı
   Yapı: tokens → reset → layout → showcase (sol) → exchanges → auth (sağ)
         → legacy (login.js/popup.js) → responsive
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root{
  --navy-950:#060b1a; --navy-900:#0a1228; --navy-800:#101b3a;
  --ink:#0f1b36; --muted:#64718c; --line:#e4e9f3;
  --accent:#f78f00; --accent-2:#ffb340; --accent-3:#ff6a1a;
  --ok:#18b77b; --err:#e5484d;
  --on-dark:#e9eefc; --on-dark-muted:#9fb0d6;
  --glass:rgba(255,255,255,.05); --glass-line:rgba(255,255,255,.10);
  --radius-lg:24px; --radius-md:16px; --radius-sm:12px;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

/* 2. Reset ----------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-family:var(--font);color:var(--ink);background:var(--navy-950);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}

/* 3. Layout ---------------------------------------------------------------- */
.page{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(400px,.8fr);grid-template-rows:1fr auto;min-height:100vh}

/* 4. Showcase (sol panel) -------------------------------------------------- */
.showcase{
  position:relative;isolation:isolate;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;gap:32px;
  padding:clamp(28px,4.5vw,64px);color:var(--on-dark);
  background:
    radial-gradient(900px 520px at 90% -10%,rgba(247,143,0,.15),transparent 60%),
    radial-gradient(700px 500px at -10% 110%,rgba(49,94,251,.26),transparent 60%),
    linear-gradient(160deg,var(--navy-800) 0%,var(--navy-950) 100%);
}
.showcase::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 25%,transparent 75%);
          mask-image:radial-gradient(ellipse at 50% 40%,#000 25%,transparent 75%);
}
.logo{align-self:flex-start;flex:none;height:112px;width:auto;max-width:none;aspect-ratio:1071/761;object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}
.logo--sm{height:64px}

.hero{max-width:760px}
.badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 13px;
  border:1px solid var(--glass-line);border-radius:999px;background:var(--glass);
  color:#c9d4f2;font-size:12px;font-weight:700;letter-spacing:.02em;backdrop-filter:blur(8px);
}
.badge__dot{width:7px;height:7px;border-radius:50%;background:var(--ok);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(24,183,123,.55)}70%,100%{box-shadow:0 0 0 8px rgba(24,183,123,0)}}

.hero__title{margin:22px 0 16px;color:#fff;font-weight:800;font-size:clamp(34px,4.4vw,60px);line-height:1.06;letter-spacing:-.04em}
.hero__title span{display:block}
.hero__title em{font-style:normal;background:linear-gradient(100deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{margin:0;max-width:620px;color:var(--on-dark-muted);font-size:clamp(15px,1.25vw,18px);line-height:1.65}

.stats{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0;padding:0;list-style:none}
.stats li{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--glass-line);border-radius:14px;background:var(--glass);color:#dbe4fb;font-size:12.5px;font-weight:700}
.stats svg{flex:none;width:26px;height:26px;padding:6px;border-radius:8px;background:rgba(247,143,0,.15);color:var(--accent-2)}

/* 5. Exchanges ------------------------------------------------------------- */
.exchanges{max-width:760px;padding:20px;border:1px solid var(--glass-line);border-radius:22px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));backdrop-filter:blur(12px);box-shadow:0 30px 70px rgba(0,0,0,.35)}
.exchanges__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.exchanges__title{margin:0;color:#aebbe0;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.exchanges__status{display:flex;align-items:center;gap:7px;color:#7ee2b8;font-size:11.5px;font-weight:700}
.exchanges__status::before{content:"";width:6px;height:6px;border-radius:50%;background:#2fd08f}
.exchanges__grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none}
.exchanges__more{display:flex;align-items:center;justify-content:center;margin:12px 0 0;padding:10px;border:1px dashed rgba(247,143,0,.45);border-radius:14px;background:rgba(247,143,0,.06);color:#ffc66b;font-size:12.5px;font-weight:700}

.ex{display:flex;align-items:center;gap:10px;min-width:0;padding:10px;border:1px solid var(--glass-line);border-radius:14px;background:var(--glass);transition:transform .2s,border-color .2s,background .2s}
.ex:hover{transform:translateY(-2px);border-color:rgba(247,143,0,.45);background:rgba(255,255,255,.09)}
.ex__logo{position:relative;flex:none;display:grid;place-items:center;width:34px;height:34px;overflow:hidden;border-radius:10px;background:var(--c);color:var(--t,#fff);font-size:11px;font-weight:800;letter-spacing:-.02em}
.ex__logo img{position:absolute;inset:0;width:100%;height:100%;padding:5px;object-fit:contain;background:#fff}
.ex__name{overflow:hidden;color:#e6ecfb;font-size:12.5px;font-weight:700;white-space:nowrap;text-overflow:ellipsis}

/* 6. Auth (sağ panel) ------------------------------------------------------ */
.auth{display:flex;align-items:center;justify-content:center;padding:28px;background:linear-gradient(180deg,#f6f8fd,#eaeff9)}
.card{width:min(440px,100%);padding:clamp(24px,4vw,40px);border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:0 30px 80px rgba(20,35,80,.14)}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid #d3f0e3;border-radius:999px;background:#edf9f4;color:#2b6a4d;font-size:11px;font-weight:750}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}
.card__title{margin:0 0 7px;font-size:28px;letter-spacing:-.035em}
.card__sub{margin:0 0 22px;color:var(--muted);font-size:14px;line-height:1.5}

.field{margin:14px 0}
.field label{display:block;margin-bottom:7px;color:#4b5873;font-size:12px;font-weight:750}
.field__wrap{position:relative}
.input{width:100%;height:52px;padding:0 14px;border:1px solid #dbe2ef;border-radius:13px;background:#fafbfe;color:var(--ink);outline:0;transition:border-color .18s,box-shadow .18s,background .18s}
.input::placeholder{color:#9aa6bd}
.input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(247,143,0,.14)}
.toggle{position:absolute;top:8px;right:8px;display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:9px;background:transparent;color:#78859d;cursor:pointer}
.toggle:hover{background:#eef2f8}.toggle svg{width:19px;height:19px}

.btn-primary{width:100%;height:53px;margin-top:12px;border:0;border-radius:13px;background:linear-gradient(100deg,var(--accent),var(--accent-3));color:#fff;font-size:15px;font-weight:800;letter-spacing:.01em;cursor:pointer;box-shadow:0 14px 28px rgba(247,120,0,.28);transition:transform .18s,filter .18s}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn-primary:disabled{opacity:.6;cursor:wait;transform:none}
.message{min-height:21px;margin-top:10px;color:var(--err);font-size:12px}
.message.ok{color:var(--ok)}

.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0 0;padding:18px 0 0;border-top:1px solid var(--line);list-style:none}
.trust li{display:flex;flex-direction:column;align-items:center;gap:6px;color:#5d6a85;font-size:11px;font-weight:700;text-align:center}
.trust svg{width:20px;height:20px;color:var(--accent)}
.card__foot{margin:16px 0 0;color:#8a95a8;font-size:11px;line-height:1.55;text-align:center}

/* Footer */
.site-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 24px;padding:16px clamp(20px,4.5vw,64px) calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--glass-line);background:var(--navy-950);color:var(--on-dark-muted);font-size:12px;line-height:1.5}
.site-foot p{margin:0}.site-foot__copy{color:#c9d4f2;font-weight:600}.site-foot__note{color:#7f8fb5}

/* 7. Legacy — login.js / popup.js ------------------------------------------ */
.register{width:100%;height:45px;margin-top:12px;border:1px solid #dce3ef;border-radius:var(--radius-sm);background:#fff;color:#34415b;font-weight:750;cursor:pointer}
.modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:18px;background:rgba(20,33,61,.4);backdrop-filter:blur(8px)}
.modal.hidden{display:none}
.modalCard{position:relative;width:min(450px,100%);padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:0 30px 90px rgba(20,33,61,.22)}
.modalCard h3{margin:0 0 6px;font-size:22px}
.modalSub{margin:0 0 18px;color:var(--muted);font-size:13px}
.close{position:absolute;top:13px;right:15px;width:35px;height:35px;border:0;border-radius:10px;background:#f3f5f9;color:#66738b;font-size:21px;cursor:pointer}
.terms{margin-top:13px;color:#8a95a8;font-size:11px;line-height:1.5}
.loader{display:inline-block;width:14px;height:14px;vertical-align:-2px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 8. Responsive ------------------------------------------------------------ */
@media (max-width:1180px){.exchanges__grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:900px){
  .page{grid-template-columns:1fr;grid-template-rows:auto}
  .site-foot{flex-direction:column;align-items:flex-start;text-align:left}
  .showcase{gap:22px;padding:26px 20px 72px}
  .showcase>.logo{height:84px}.stats{display:none}
  .auth{align-items:flex-start;padding:0 14px 34px}
  .card{position:relative;z-index:3;margin-top:-46px}
  .exchanges__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:520px){
  .exchanges{padding:14px}.exchanges__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exchanges__status{display:none}
  .card{padding:24px 19px}.card__title{font-size:25px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}