* { box-sizing: border-box; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }

:root {
  --bg: #0f1421;
  --bg-accent: linear-gradient(180deg, rgba(34,45,70,.9), rgba(16,20,33,.9));
  --surface: #101623;
  --card: #121a2b;
  --border: rgba(255,255,255,.08);
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --accent: #4f8cff;
  --accent-2: #7b61ff;
  --success: #2ecc71;
  --danger: #ff6b6b;
  --warn: #ffd166;
}

[data-theme='light'] {
  --bg: #f7f9fc;
  --bg-accent: linear-gradient(180deg, #ffffff, #f7f9fc);
  --surface: #ffffff;
  --card: #ffffff;
  --border: rgba(0,0,0,.14);
  --text: #0b1220;
  --muted: #49566b;
  --accent: #2b6cff;
  --accent-2: #7b61ff;
  --success: #148c49;
  --danger: #c03535;
  --warn: #b07900;
}

body { margin: 0; background: radial-gradient(1200px 600px at 20% -10%, rgba(79,140,255,.25), transparent), radial-gradient(1200px 600px at 120% 10%, rgba(123,97,255,.25), transparent), var(--bg); color: var(--text); }
.anon body {}
.container { max-width: 1120px; margin: 0 auto; padding: 20px 16px 60px; }

header { background: var(--bg-accent); border-bottom: 1px solid var(--border); }
header .inner { max-width: 1120px; margin: 0 auto; padding: 18px 16px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .3px; }
.brand .logo { width: 28px; height: 28px; background: conic-gradient(from 230deg, var(--accent), var(--accent-2)); border-radius: 8px; box-shadow: 0 6px 20px rgba(79,140,255,.35); border: 1px solid var(--border); }
nav .actions { display: flex; align-items: center; gap: 10px; }

h1 { margin: 0; font-size: 18px; color: var(--text); }
.info { color: var(--muted); font-size: 14px; }
.warn { background: rgba(255,209,102,.12); padding: 10px; border: 1px solid rgba(255,209,102,.35); border-radius: 10px; color: var(--text); margin: 12px 0; }

.metrics { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 12px; margin: 18px 0 24px; }
.card { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)); border: 1px solid var(--border); border-radius: 14px; padding: 14px; box-shadow: 0 8px 28px rgba(0,0,0,.15); backdrop-filter: blur(6px); }
.k { color: var(--muted); font-size: 12px; }
.v { font-weight: 800; font-size: 22px; letter-spacing: .2px; }
.pos { color: var(--success); } .neg { color: var(--danger); }

.form form { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 12px; align-items: end; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input, button, select { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text); }
button { cursor: pointer; transition: transform .05s ease, background .2s; }
button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }
.btn { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: linear-gradient(180deg, var(--accent), #3a74ea); border-color: rgba(255,255,255,.15); color: #fff; }
.btn-ghost { background: transparent; }
button.danger { background: rgba(255,107,107,.1); border-color: rgba(255,107,107,.4); color: #ffd6d6; }
button.danger:hover { filter: brightness(1.05); }

table { width: 100%; border-collapse: collapse; margin-top: 12px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
th { background: rgba(255,255,255,.04); color: var(--muted); text-transform: uppercase; font-weight: 700; letter-spacing: .6px; font-size: 12px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
tbody tr:hover { background: rgba(255,255,255,.02); }
.chip { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .2px; }
.chip.buy { background: rgba(79,140,255,.15); color: #bcd3ff; border: 1px solid rgba(79,140,255,.35); }
.chip.sell { background: rgba(255,107,107,.12); color: #ffd6d6; border: 1px solid rgba(255,107,107,.35); }
.chip.receive { background: rgba(46,204,113,.14); color: #c8f5da; border: 1px solid rgba(46,204,113,.35); }

.hint { color: var(--muted); font-size: 12px; }
.hint a { color: var(--accent); text-decoration: underline; font-weight: 600; }
.hint a:hover { filter: brightness(1.1); }
.form .info { background: rgba(79,140,255,.10); border: 1px solid rgba(79,140,255,.35); padding: 10px; border-radius: 10px; color: var(--text); }
.sell { background: rgba(255,107,107,.05); }
.receive { background: rgba(46,204,113,.05); }
tr.receive td { background: rgba(46,204,113,.05); }

/* Right-side login card */
.side-login { float: right; width: 320px; margin: 0 0 16px 16px; }
@media (max-width: 900px) { .side-login { float: none; width: auto; margin: 0 0 16px 0; } }

/* Hide add/import controls by default for anonymous users visually (routes still require auth) */
.anon .form form[action="/add"],
.anon form[action="/import"],
.anon form[action="/delete-all"],
.anon form[action^="/delete/"] { display: none; }
.anon .form h2 { opacity: .6; }

/* Floating Feedback button */
.feedback-btn { position: fixed; right: 16px; bottom: 16px; background: linear-gradient(180deg, var(--accent), #3a74ea); color: #fff; padding: 10px 14px; border-radius: 999px; text-decoration: none; font-weight: 700; box-shadow: 0 8px 22px rgba(79,140,255,.35); border: 1px solid rgba(255,255,255,.2); }
.feedback-btn:hover { filter: brightness(1.05); }

/* Theme toggle */
.theme-toggle { border: 1px solid var(--border); background: var(--card); color: var(--text); border-radius: 10px; padding: 6px 10px; }

/* Remove up/down arrows on number inputs (spinners) */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Responsive: tablet and phone */
@media (max-width: 900px) {
  header .inner { flex-wrap: wrap; gap: 8px; }
  nav .actions { flex-wrap: wrap; gap: 8px; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .side-login { float: none; width: auto; margin: 8px 0 16px; }
}

@media (max-width: 600px) {
  .container { padding: 16px 12px 48px; }
  .brand h1 { font-size: 16px; }
  .metrics { grid-template-columns: 1fr; gap: 10px; }
  .form form { grid-template-columns: 1fr; gap: 10px; }
  input, select, button { width: 100%; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 720px; }
  th, td { padding: 8px; }
  .feedback-btn { right: 12px; bottom: 12px; }
}

@media (max-width: 400px) {
  .brand h1 { font-size: 14px; }
  nav .actions .btn, nav .actions .theme-toggle { padding: 6px 8px; }
}

/* Light theme contrast tweaks */
[data-theme='light'] body {
  background: radial-gradient(1200px 600px at 20% -10%, rgba(79,140,255,.12), transparent), radial-gradient(1200px 600px at 120% 10%, rgba(123,97,255,.12), transparent), var(--bg);
}
[data-theme='light'] .card {
  background: linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.01));
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
[data-theme='light'] .warn { background: #fff6d6; border-color: #ffd166; color: #5a4b00; }
[data-theme='light'] table { border-color: #d8dee9; }
[data-theme='light'] th { background: #f1f4fa; }
[data-theme='light'] tbody tr:hover { background: #f9fbff; }
[data-theme='light'] .chip.buy { background: #e8f1ff; color: #1d4ed8; border-color: #bcd7ff; }
[data-theme='light'] .chip.sell { background: #ffe8e8; color: #b91c1c; border-color: #ffc7c7; }
[data-theme='light'] .chip.receive { background: #e9f9ef; color: #047857; border-color: #bfead1; }
[data-theme='light'] .sell { background: #fff1f1; }
[data-theme='light'] .receive, [data-theme='light'] tr.receive td { background: #f0fff6; }
[data-theme='light'] .btn-primary { background: linear-gradient(180deg, #2b6cff, #1d56d1); }
[data-theme='light'] button.danger {
  background: #ffe8e8;
  border-color: #ffc7c7;
  color: #b91c1c;
}
[data-theme='light'] button.danger:hover { background: #ffdede; }