@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg:        #f4f6fb;
  --surface:   #ffffff;
  --border:    #e6eaf0;
  --ink:       #0f1729;
  --muted:     #5b6678;
  --faint:     #8a93a3;
  --accent:    #4338ca;
  --accent-2:  #6366f1;
  --accent-soft:#eef0fe;
  --green:     #15803d;
  --green-soft:#e7f6ec;
  --red:       #b91c1c;
  --red-soft:  #fdeaea;
  --amber:     #92600a;
  --amber-soft:#fbf2dd;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 1.6rem 1.4rem 4rem; }
.wrap-narrow { max-width: 440px; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1.4rem; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 800; letter-spacing: -0.02em; font-size: 1.05rem; color: var(--ink); }
.topbar .brand .dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.topbar nav { display: flex; align-items: center; gap: 1.1rem; font-size: 0.92rem; }
.topbar nav .who { color: var(--faint); font-size: 0.85rem; }
.topbar form { margin: 0; }
.linkbtn {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font: inherit; font-size: 0.92rem; padding: 0;
}
.linkbtn:hover { color: var(--accent); }

/* ---------- Page header ---------- */
.page-kicker {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem;
}
.page-head h1 {
  font-size: 2rem; font-weight: 800; line-height: 1.1; margin: 0 0 0.4rem 0;
  color: var(--ink); letter-spacing: -0.025em;
}
.page-head p { font-size: 1rem; color: var(--muted); margin: 0 0 1.4rem 0; max-width: 620px; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.5rem 1.6rem;
  box-shadow: 0 1px 2px rgba(16,23,41,0.04), 0 12px 34px -24px rgba(16,23,41,0.28);
}
.card + .card { margin-top: 1rem; }
.card-title { font-size: 1.02rem; font-weight: 700; color: var(--ink); margin: 0 0 0.2rem; }
.card-sub { font-size: 0.84rem; color: var(--faint); margin: 0 0 1rem; }

.cols { display: flex; gap: 1rem; align-items: stretch; }
.cols .col-main { flex: 3; min-width: 0; }
.cols .col-side { flex: 2; min-width: 0; }
@media (max-width: 720px) { .cols { flex-direction: column; } }

/* ---------- Forms ---------- */
label.field { display: block; font-size: 0.84rem; font-weight: 600; color: var(--muted); margin: 0.9rem 0 0.35rem; }
label.field:first-child { margin-top: 0; }
input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%; border-radius: 10px; border: 1px solid var(--border);
  background: #fbfcfe; padding: 0.6rem 0.7rem; font: inherit; font-size: 0.95rem; color: var(--ink);
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent-2); background: #fff;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.14);
}
textarea { resize: vertical; min-height: 130px; }
input[type=file] { font-size: 0.9rem; color: var(--muted); }
input[type=range] { width: 100%; accent-color: var(--accent); }
input[type=color] { width: 44px; height: 34px; padding: 2px; border-radius: 8px; border: 1px solid var(--border); background: #fff; cursor: pointer; }
.inline { display: flex; align-items: center; gap: 0.6rem; }
.inline label { font-size: 0.9rem; color: var(--muted); }
.hint { font-size: 0.8rem; color: var(--faint); margin-top: 0.3rem; }
.range-val { font-weight: 700; color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; border: none; border-radius: 11px; cursor: pointer;
  font: inherit; font-weight: 600; font-size: 1rem; padding: 0.78rem 1rem; color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow: 0 12px 26px -12px rgba(67,56,202,0.7);
  transition: transform .08s ease, filter .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); text-decoration: none; }
.btn.btn-sm { width: auto; padding: 0.45rem 0.9rem; font-size: 0.88rem; border-radius: 9px; }
.btn.btn-ghost {
  background: var(--accent-soft); color: var(--accent); box-shadow: none;
}

/* ---------- Alerts ---------- */
.alert { border-radius: 12px; padding: 0.8rem 1rem; font-size: 0.92rem; margin-bottom: 1rem; }
.alert.error { background: var(--red-soft); color: var(--red); }
.alert.warn { background: var(--amber-soft); color: var(--amber); }

/* ---------- History ---------- */
.deck-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px solid #eef1f6; border-radius: 12px;
  margin-bottom: 10px; background: #fff;
}
.deck-main { min-width: 0; flex: 1; }
.deck-title { font-weight: 700; color: var(--ink); font-size: 0.98rem; }
.deck-meta { font-size: 0.8rem; color: var(--faint); margin-top: 2px; }
.deck-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }

.badge {
  flex: 0 0 auto; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}
.badge.pending, .badge.processing { background: var(--amber-soft); color: var(--amber); }
.badge.done { background: var(--green-soft); color: var(--green); }
.badge.error { background: var(--red-soft); color: var(--red); }

.spinner {
  width: 13px; height: 13px; border-radius: 50%; display: inline-block; margin-right: 6px;
  border: 2px solid currentColor; border-top-color: transparent; vertical-align: -1px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty { text-align: center; color: var(--faint); padding: 2.5rem 1rem; }
.muted { color: var(--muted); }
.center { text-align: center; }
.mt { margin-top: 1rem; }