:root { --bg: #f4f6fa; --panel: #fff; --ink: #17243b; --muted: #5b6b82; --line: #dde4ee; --accent: #095bdc; --accent-ink: #fff; --danger: #e11d48; --ok: #15803d; }
@media (prefers-color-scheme: dark) { :root { --bg: #070a0f; --panel: #12161d; --ink: #e9eaed; --muted: #a3a6af; --line: #2b3039; --accent: #4b9bff; --accent-ink: #051327; --danger: #f28b9b; --ok: #6ee7a0; } }
* { box-sizing: border-box; }
html, body { margin: 0; }
body { min-height: 100vh; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, 'Segoe UI', sans-serif; display: flex; flex-direction: column; }
a { color: var(--accent); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px clamp(16px, 4vw, 40px); }
.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.top nav { display: flex; gap: 8px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-size: 15px; font-weight: 650; border-radius: 11px; padding: 10px 16px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.danger { color: var(--danger); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .6; cursor: default; }
.btn.ghost { border-color: transparent; background: transparent; }
.hero { flex: 1; display: grid; place-items: center; text-align: center; padding: 40px 16px 80px; }
.hero h1 { font-size: clamp(34px, 6vw, 60px); letter-spacing: -.025em; line-height: 1.08; margin: 0 0 16px; }
.hero p { color: var(--muted); font-size: clamp(17px, 2.2vw, 20px); margin: 0 auto 30px; max-width: 34em; }
.hero .actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.wrap { flex: 1; display: grid; place-items: start center; padding: 24px 16px 60px; }
.card { width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.card.wide { max-width: 560px; }
.card h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -.01em; }
.card h2 { font-size: 16px; margin: 26px 0 10px; }
.sub { color: var(--muted); margin: 0 0 20px; font-size: 14.5px; }
form { display: grid; gap: 12px; }
label { display: grid; gap: 5px; font-size: 13px; font-weight: 600; color: var(--muted); }
input { font: inherit; font-size: 16px; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; width: 100%; }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.hint { font-size: 12.5px; color: var(--muted); margin: -4px 0 0; }
.msg { font-size: 14px; margin: 0 0 14px; padding: 10px 12px; border-radius: 10px; background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.msg.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
form .msg { margin: 0; }
.or { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; margin: 16px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.foot { text-align: center; font-size: 14px; color: var(--muted); margin: 18px 0 0; line-height: 1.9; }
.row { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14.5px; }
.row span:first-child { color: var(--muted); }
.google-g { width: 18px; height: 18px; }
#open-app { margin-top: 4px; }
[hidden] { display: none !important; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 20px; }