/*
 * The pages around the product: home, sign in, register.
 *
 * Deliberately its own stylesheet, and deliberately small. It never loads
 * inside the desk, so nothing here can reach a page of the exam — the same
 * separation the desk keeps from the engine's sheet, for the same reason.
 */

:root {
  --ink: #161A21;
  --ink-2: #4A5261;
  --muted: #7A8394;
  --line: #DFE3EA;
  --bg: #FFFFFF;
  --raised: #F7F8FA;
  --accent: #2F62C4;
  --accent-hover: #2A57AE;
  --danger: #C4453A;
  --danger-soft: #FBECEA;
  --r: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #E8EBF1; --ink-2: #B4BCCA; --muted: #7E8798; --line: #2B313C;
    --bg: #12151B; --raised: #1A1E26; --accent: #5B8FE0; --accent-hover: #6E9DE7;
    --danger: #E0705F; --danger-soft: #2C1C1A;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ── header ─────────────────────────────────────────────── */

header.top {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 650; font-size: 18px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.brand span { color: var(--accent); }
.spacer { flex: 1; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-size: 14px; font-weight: 500;
  padding: 9px 16px; border-radius: var(--r);
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  text-decoration: none; cursor: pointer;
  transition: background .12s ease, border-color .12s ease;
}
.btn:hover { background: var(--raised); border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: default; }

/* ── hero ───────────────────────────────────────────────── */

.hero { padding: 72px 0 56px; }
.hero h1 {
  font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 18px;
  letter-spacing: -0.02em; max-width: 18ch;
}
.hero p.lead { font-size: 18px; color: var(--ink-2); max-width: 62ch; margin: 0 0 28px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 14px; font-size: 13px; color: var(--muted); }

/* ── sections ───────────────────────────────────────────── */

section { padding: 40px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 22px; margin: 0 0 8px; letter-spacing: -0.01em; }
section p.sub { color: var(--ink-2); margin: 0 0 24px; max-width: 62ch; }

.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: var(--r); padding: 18px; background: var(--raised); }
.card h3 { margin: 0 0 6px; font-size: 15px; }
.card p { margin: 0; font-size: 14px; color: var(--ink-2); }

.steps { counter-reset: step; display: grid; gap: 14px; }
.steps li { list-style: none; display: flex; gap: 14px; align-items: flex-start; }
.steps li::before {
  counter-increment: step; content: counter(step);
  flex: 0 0 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 600;
}
.steps p { margin: 0; font-size: 14px; color: var(--ink-2); }
.steps b { color: var(--ink); font-weight: 600; }

footer {
  border-top: 1px solid var(--line); padding: 28px 0 40px;
  font-size: 13px; color: var(--muted);
  display: flex; gap: 18px; flex-wrap: wrap;
}
footer a { color: var(--muted); }

/* ── auth forms ─────────────────────────────────────────── */

.auth { max-width: 400px; margin: 56px auto; padding: 0 24px; }
.auth h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -0.01em; }
.auth p.sub { color: var(--ink-2); font-size: 14px; margin: 0 0 24px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.field input {
  width: 100%; font: inherit; font-size: 15px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--bg); color: var(--ink);
}
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,98,196,.22); }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 5px; }

.or { display: flex; align-items: center; gap: 12px; margin: 22px 0; color: var(--muted); font-size: 13px; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.msg {
  border: 1px solid var(--danger); background: var(--danger-soft); color: var(--danger);
  border-radius: var(--r); padding: 10px 12px; font-size: 14px; margin-bottom: 16px;
}
.msg:empty { display: none; }

.alt { margin-top: 20px; font-size: 14px; color: var(--ink-2); text-align: center; }

/* ── the account page (A-48) ────────────────────────────── */

.account { max-width: 680px; padding-top: 40px; padding-bottom: 40px; }
.account h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -0.02em; }
.account > .sub { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.panel {
  border: 1px solid var(--line); border-radius: var(--r); background: var(--raised);
  padding: 20px; margin-bottom: 16px;
}
.panel h2 { font-size: 16px; margin: 0 0 12px; }
.panel .sub { color: var(--ink-2); font-size: 14px; margin: 0 0 14px; }
.stack .field:last-of-type { margin-bottom: 0; }
.field input:disabled { opacity: .7; }
.row-end { display: flex; justify-content: flex-end; align-items: center; gap: 12px; margin-top: 14px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.ok { color: #1F9160; font-size: 13px; }
.hint { font-size: 12.5px; color: var(--muted); }
.methods { list-style: none; margin: 0; padding: 0; }
.methods li { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid var(--line); font-size: 14px; }
.methods li:first-child { border-top: 0; }
.methods b { font-weight: 600; }
.plan { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.plan-name { font-weight: 650; font-size: 15px; margin-bottom: 4px; }
.badge {
  font-size: 12px; font-weight: 600; color: #1F9160; border: 1px solid #1F9160;
  border-radius: 999px; padding: 3px 10px; white-space: nowrap;
}
.panel.danger { border-color: var(--danger); }
.panel.danger h2 { color: var(--danger); }
.btn.danger-btn { color: var(--danger); border-color: var(--danger); }
.btn.danger-btn:hover { background: var(--danger-soft); }
[hidden] { display: none !important; }

/* The notice checkbox (A-49): a sentence with a box, not a legal wall. */
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px;
  color: var(--ink-2); line-height: 1.5; margin: 6px 0 16px; cursor: pointer; }
.consent input { margin-top: 3px; width: 16px; height: 16px; flex: 0 0 auto; accent-color: var(--accent); }
.panel.notice { border-color: var(--accent); }

/* ── the home page's picture ────────────────────────────── */

/*
 * Two real sheets, one behind the other. The tilt is small on purpose: this is
 * a typesetting product, and a page thrown across the screen at an angle would
 * be saying the opposite of what it sells.
 */
.hero-split { display: grid; gap: 40px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) {
  .hero-split { grid-template-columns: 1fr 0.85fr; gap: 56px; }
}

.hero-art { position: relative; padding: 10px 0 24px; }
.hero-art .sheet {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(16, 20, 27, .28), 0 2px 8px rgba(16, 20, 27, .12);
}
.hero-art .sheet-back {
  position: absolute;
  top: 0;
  left: 12%;
  width: 82%;
  transform: rotate(4deg);
  opacity: .85;
}
.hero-art .sheet-front { position: relative; transform: rotate(-1.5deg); }

/* ── booklets ───────────────────────────────────────────── */

.booklet-row { display: flex; gap: 14px; flex-wrap: wrap; }
.booklet {
  flex: 1 1 120px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg);
  padding: 18px 16px;
  text-align: center;
}
.booklet span {
  display: block; font-size: 30px; font-weight: 700; line-height: 1;
  color: var(--muted); letter-spacing: -0.02em; margin-bottom: 8px;
}
.booklet b { font-size: 12.5px; font-weight: 500; color: var(--muted); }
.booklet.is-source { border-color: var(--accent); background: var(--raised); }
.booklet.is-source span { color: var(--accent); }
.booklet.is-source b { color: var(--ink-2); }

/* ── yönetim (A-53) ─────────────────────────────────────── */

.account.wrap[data-panel] { max-width: 940px; }

.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin: 14px 0 22px; }
.stat { border: 1px solid var(--line); border-radius: var(--r); padding: 14px; background: var(--bg); }
.stat-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; }
.stat-note { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Otuz çubuk için kütüphane kurmak, çizdiği şeyden büyük bir bağımlılık olurdu. */
.chart { display: flex; align-items: flex-end; gap: 3px; height: 140px; padding-top: 8px; }
.bar-col { flex: 1 1 0; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; min-width: 0; }
/* Tek günlük veride sütun bütün genişliği kaplamasın: bir gün bir sütundur,
   duvar değil. */
.bar { width: 100%; max-width: 46px; background: var(--accent); border-radius: 3px 3px 0 0; min-height: 2px; }
.bar:hover { background: var(--accent-hover); }
.bar-day { width: 100%; font-size: 10px; color: var(--muted); text-align: center; margin-top: 5px; overflow: hidden; white-space: nowrap; }

.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
.grid th {
  text-align: left; font-size: 12px; font-weight: 500; color: var(--muted);
  padding: 0 10px 8px 0; border-bottom: 1px solid var(--line);
}
.grid td { padding: 10px 10px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid tr:last-child td { border-bottom: 0; }
.grid .hint { margin-top: 2px; }
.grid .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
/* Şu anda kullanan biri, listede ilk bakışta görünmeli. */
.grid .live { color: #1F9160; font-weight: 600; }

.seg { display: flex; gap: 6px; }
.seg .btn { padding: 6px 12px; font-size: 13px; }