/* =========================================================================
   LOGIN PAGE — single centered card, responsive
   ========================================================================= */

html, body { height: 100%; margin: 0; }
body {
  overflow-y: auto;
  font-family: 'IRANSansX', 'Space Grotesk', system-ui, sans-serif;
}

.login-wrap {
  min-height: 100vh;
  width: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 24px 16px;
  box-sizing: border-box;
  background:
    radial-gradient(900px 600px at 80% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(700px 500px at 10% 110%, var(--accent-soft), transparent 55%),
    var(--bg);
}

.login-card {
  width: 100%; max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 22px;
  box-sizing: border-box;
}

.login-brand {
  display: flex; align-items: center; justify-content: center;
}
.login-brand .name { font-weight: 700; font-size: 17px; letter-spacing: -.015em; }
.login-brand .name .sub { color: var(--faint); font-weight: 500; margin-inline-start: 6px; }

.login-head { text-align: center; }
.login-head h1 { font-size: 20px; font-weight: 600; margin: 0 0 6px; color: var(--ink); }
.login-head p  { font-size: 13px; color: var(--muted); margin: 0; }

.login-form { display: flex; flex-direction: column; gap: 14px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--faint); font-weight: 500;
}

.field input {
  font-family: inherit;
  font-size: 14px;
  padding: 11px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  color: var(--ink);
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--motion), background var(--motion);
}
.field input:focus { border-color: var(--accent-line); background: var(--surface); }
.field input::placeholder { color: var(--faint); }
.field input[type="email"],
.field input[type="password"] { direction: ltr; text-align: start; }

.submit-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(160deg, var(--accent-strong), var(--accent));
  color: var(--accent-ink); font-weight: 600; font-size: 14px;
  font-family: 'IRANSansX', 'Space Grotesk', system-ui, sans-serif;
  padding: 12px 20px; border-radius: var(--r-sm);
  border: none; cursor: pointer; width: 100%;
  box-shadow: 0 2px 14px -4px var(--accent-line);
  transition: transform var(--motion), box-shadow var(--motion);
  margin-top: 4px;
}
.submit-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 22px -6px var(--accent-line); }

.alert {
  padding: 10px 14px; border-radius: var(--r-sm);
  font-size: 13px; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.alert.error {
  background: var(--crit-soft);
  color: var(--crit);
  border: 1px solid color-mix(in oklab, var(--crit) 30%, transparent);
}

@media (max-width: 480px) {
  .login-card { padding: 28px 22px; border-radius: var(--r-md); }
  .login-head h1 { font-size: 18px; }
}