/* Login screen */
@import url('./tokens.css');

body { display: grid; place-items: center; min-height: 100vh; }

.shell {
  width: min(420px, 92vw);
  position: relative;
  z-index: 1;
}

.back-link {
  position: absolute;
  top: 24px; left: 24px;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-2);
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.back-link:hover { color: var(--text-0); text-decoration: none; }

.login-card {
  padding: 36px 32px 30px;
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.06), transparent 35%);
  pointer-events: none;
}

.login-brand {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  margin-bottom: 26px;
}
.login-brand .brand-mark {
  width: 56px; height: 56px;
  border-radius: 16px;
}
.login-brand .brand-mark img { width: 28px; height: 28px; }
.login-brand h1 {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 6px 0 0;
  letter-spacing: -0.01em;
}
.login-brand h1 b { color: var(--text-0); }
.login-brand h1 em {
  font-style: normal; font-weight: 500;
  background: var(--grad-2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.login-brand .sub {
  color: var(--text-2);
  font-size: 13px;
}

.field {
  display: block; margin-bottom: 14px;
}
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 8px;
}
.input-wrap {
  position: relative;
  display: flex; align-items: center;
  background: rgba(4, 8, 18, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.input-wrap:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
.input-wrap svg { color: var(--text-3); margin: 0 12px; flex-shrink: 0; }
.input-wrap input {
  flex: 1;
  background: transparent;
  border: none; outline: none;
  color: var(--text-0);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 13px 14px 13px 0;
  letter-spacing: 0.01em;
}
.input-wrap input::placeholder { color: var(--text-3); }
.input-wrap .toggle-pw {
  background: transparent; border: none;
  color: var(--text-3); padding: 0 12px; height: 100%;
  display: grid; place-items: center;
}
.input-wrap .toggle-pw:hover { color: var(--text-1); }

.submit {
  width: 100%;
  margin-top: 18px;
  padding: 14px;
  font-size: 15px;
}
.submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.error {
  display: none;
  padding: 11px 14px;
  margin-top: 14px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: var(--r-md);
  color: #fca5a5;
  font-size: 13px;
}
.error.show { display: block; animation: shake 0.3s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.foot {
  text-align: center;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-3);
  text-transform: uppercase;
}