/* ─── Login overlay ─────────────────────────────────────────── */
#login-root {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  font-family: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  padding: 36px 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.login-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
}
.login-subtitle {
  font-size: 12px;
  color: var(--ink-4);
  margin-top: 6px;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
  line-height: 1.5;
}

/* Role badge row */
.login-role-row {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.login-role-badge {
  flex: 1;
  padding: 8px 10px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--paper);
  text-align: center;
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
}
.login-role-badge:hover {
  border-color: var(--ink-3);
  background: var(--paper-2);
}
.login-role-badge.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #f6f4ef;
}
.login-role-badge-tag {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 3px;
}
.login-role-badge.is-active .login-role-badge-tag { color: rgba(246,244,239,0.6); }
.login-role-badge-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.login-role-badge.is-active .login-role-badge-label { color: #f6f4ef; }

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.login-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.login-input {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 13px;
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
  width: 100%;
  box-sizing: border-box;
}
.login-input:focus {
  border-color: var(--ink-3);
  box-shadow: 0 0 0 3px rgba(23,24,26,0.07);
  background: #fff;
}
.login-input::placeholder { color: var(--ink-4); }

/* Submit button */
.login-submit {
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #f6f4ef;
  background: var(--ink);
  border: none;
  border-radius: 7px;
  padding: 11px 16px;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.1s ease;
  margin-top: 4px;
  width: 100%;
}
.login-submit:hover { background: #2a2c30; }
.login-submit:active { transform: scale(0.98); }
.login-submit:disabled {
  background: var(--paper-3);
  color: var(--ink-4);
  cursor: not-allowed;
  transform: none;
}

/* Error message */
.login-error {
  font-size: 12.5px;
  color: var(--red-ink);
  background: rgba(200,45,45,0.07);
  border: 1px solid rgba(200,45,45,0.2);
  border-radius: 6px;
  padding: 9px 12px;
  margin-top: 2px;
  display: none;
  line-height: 1.5;
}
.login-error.is-visible { display: block; }

/* Footer note */
.login-footer-note {
  font-size: 11px;
  color: var(--ink-4);
  text-align: center;
  margin-top: 20px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.login-footer-note b { color: var(--ink-3); }

/* Loading spinner on button */
.login-submit.is-loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(246,244,239,0.4);
  border-top-color: #f6f4ef;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Session bar (top of main app) */
#session-bar {
  background: var(--ink);
  color: #f6f4ef;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.01em;
}
#session-bar .session-role {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: rgba(246,244,239,0.12);
  border-radius: 4px;
  padding: 2px 7px;
}
#session-bar .session-role.master { background: rgba(232,174,47,0.25); color: #f5d76e; }
#session-bar .session-role.tester { background: rgba(91,138,90,0.25); color: #8dc48b; }
#session-bar .session-spacer { flex: 1; }
#session-bar .session-logout {
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 600;
  color: rgba(246,244,239,0.6);
  background: none;
  border: 1px solid rgba(246,244,239,0.2);
  border-radius: 5px;
  padding: 3px 10px;
  cursor: pointer;
  transition: all 0.12s ease;
}
#session-bar .session-logout:hover {
  color: #f6f4ef;
  border-color: rgba(246,244,239,0.45);
}