/* 3cnm.live – light gradient black to blue */
:root {
  --bg-start: #0a0a0f;
  --bg-end: #0f172a;
  --long: #22c55e;
  --short: #ef4444;
  --close: #6b7280;
  --input-bg: rgba(255,255,255,0.08);
  --input-border: rgba(255,255,255,0.2);
  --text: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
}

/* Auth pages */
.auth-box {
  max-width: 360px;
  width: 100%;
  margin-top: 3rem;
  padding: 2rem;
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  border: 1px solid var(--input-border);
}

.auth-box h1 {
  margin-top: 0;
  text-align: center;
  font-size: 1.5rem;
}

.auth-box label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.auth-box input[type="text"],
.auth-box input[type="password"],
.auth-box input[type="number"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  margin-bottom: 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}

.auth-box button,
.auth-box .btn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  background: #2563eb;
  color: white;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.auth-box button:hover,
.auth-box .btn:hover {
  background: #1d4ed8;
}

.flash.error {
  color: #f87171;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.flash.success {
  color: #4ade80;
  margin-bottom: 1rem;
}

/* Trading layout */
.logo-wrap {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-wrap img {
  height: 48px;
  width: auto;
}

.trading-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 640px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-size: 0.85rem;
  opacity: 0.9;
}

.input-group input {
  width: 100px;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text);
}

.input-group input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.buttons-center {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-long {
  padding: 0.85rem 1.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: var(--long);
  color: #fff;
}

.btn-long:hover:not(:disabled) {
  filter: brightness(1.1);
}

.btn-long:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-short {
  padding: 0.85rem 1.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: var(--short);
  color: #fff;
}

.btn-short:hover:not(:disabled) {
  filter: brightness(1.1);
}

.btn-short:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-close {
  padding: 0.85rem 1.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: var(--close);
  color: #fff;
}

.btn-close:hover:not(:disabled) {
  filter: brightness(1.15);
}

.btn-close:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.nav-line {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.nav-line a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav-line a:hover {
  text-decoration: underline;
}

.page-wrap {
  position: relative;
  width: 100%;
  max-width: 720px;
}

.setup-2fa .qr-wrap {
  text-align: center;
  margin: 1rem 0;
}

.setup-2fa .qr-wrap svg {
  max-width: 200px;
  height: auto;
}