/* Kanchon Vault — Login page (standalone) */
:root {
  --ink: #14130F;
  --parchment: #F2E8D5;
  --parchment-dark: #E8DCC8;
  --brass: #C8963E;
  --brass-light: #D4A84E;
  --teal: #2F6F62;
  --error: #C44B4B;
  --text-muted: #8A7F6E;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Noto Sans Bengali', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body.login-body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(200, 150, 62, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(47, 111, 98, 0.14), transparent 50%),
    var(--ink);
  color: var(--ink);
}

.login-scene {
  width: 100%;
  max-width: 420px;
  position: relative;
}

.login-glow {
  position: absolute;
  inset: -48px;
  background: radial-gradient(circle at 50% 25%, rgba(200, 150, 62, 0.18), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.login-card {
  position: relative;
  z-index: 1;
  background: linear-gradient(165deg, #faf4e8 0%, var(--parchment) 42%, #ebe0cc 100%);
  border-radius: 20px;
  padding: 2rem 1.75rem 1.5rem;
  box-shadow:
    0 28px 56px rgba(20, 19, 15, 0.4),
    0 0 0 1px rgba(200, 150, 62, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.login-brand {
  text-align: center;
  margin-bottom: 1.75rem;
}

.login-logo-mark {
  width: 58px;
  height: 58px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--ink) 0%, #2a2820 100%);
  color: var(--brass);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(20, 19, 15, 0.3), inset 0 1px 0 rgba(242, 232, 213, 0.12);
  border: 1px solid rgba(200, 150, 62, 0.4);
}

.login-card .logo {
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1.7rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.login-card .subtitle {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  background: rgba(20, 19, 15, 0.07);
  border-radius: 12px;
  padding: 5px;
  border: 1px solid rgba(20, 19, 15, 0.09);
}

.auth-tab {
  flex: 1;
  padding: 0.7rem 0.5rem;
  border: none;
  background: transparent;
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.auth-tab:hover:not(.active) {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.auth-tab.active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 2px 10px rgba(20, 19, 15, 0.1);
}

.login-card label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #5c5348;
  margin-bottom: 0.4rem;
}

.login-card input[type="email"],
.login-card input[type="password"],
.login-card input[type="text"] {
  width: 100%;
  display: block;
  background: #fff;
  border: 1.5px solid var(--parchment-dark);
  border-radius: 10px;
  padding: 0.85rem 0.95rem;
  font-family: var(--font-body);
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-card input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(47, 111, 98, 0.18);
}

.login-card input::placeholder {
  color: #a89f90;
}

.btn {
  display: block;
  width: 100%;
  padding: 0.95rem 1.25rem;
  margin-top: 0.25rem;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: linear-gradient(180deg, var(--brass-light) 0%, var(--brass) 100%);
  color: var(--ink);
  box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 22px rgba(200, 150, 62, 0.5);
}

.error-msg {
  color: var(--error);
  font-size: 0.88rem;
  margin-top: 0.75rem;
  background: rgba(196, 75, 75, 0.09);
  border: 1px solid rgba(196, 75, 75, 0.22);
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
}

.login-footer {
  text-align: center;
  margin-top: 1.35rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

[hidden] { display: none !important; }