/* 로그인 화면 — styles.css :root 변수 사용 */

.login-screen{
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: radial-gradient(900px 600px at 50% -20%, rgba(28, 102, 214, .10), transparent 55%),
              radial-gradient(800px 500px at 100% 40%, rgba(11, 42, 74, .12), transparent 50%),
              var(--bg);
  overflow: auto;
}

.login-card{
  width: min(400px, 100%);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow);
  padding: 28px 24px 22px;
}

.login-brand{
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 24px;
}
.login-brand-mark{
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  object-fit: contain;
  border: none;
  background: none;
  box-shadow: none;
}
.login-title{
  margin: 0;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--navy);
  line-height: 1.2;
}
.login-sub{
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

.login-form{
  display: grid;
  gap: 14px;
}
.login-field{
  display: grid;
  gap: 6px;
}
.login-label{
  font-size: 12px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.login-input{
  width: 100%;
  height: var(--control-h);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(14, 27, 43, .14);
  padding: 0 14px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  outline: none;
  background: rgba(255, 255, 255, .98);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.login-input::placeholder{ color: rgba(91, 107, 126, .75); font-weight: 500; }
.login-input:focus{
  border-color: rgba(28, 102, 214, .38);
  box-shadow: 0 0 0 4px rgba(28, 102, 214, .12);
}

.login-error{
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--danger);
}

.login-submit{
  appearance: none;
  margin-top: 4px;
  height: var(--control-h);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(28, 102, 214, .28);
  background: linear-gradient(180deg, rgba(28, 102, 214, .92), rgba(15, 79, 182, .92));
  color: #fff;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -0.02em;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(28, 102, 214, .2);
  transition: filter .15s ease, transform .08s ease;
}
.login-submit:hover{ filter: brightness(1.03); }
.login-submit:active{ transform: translateY(1px); }

.login-hint{
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
}

/* ── 로그인/회원가입 탭 ─────────────────────────────────────────── */

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: 9px 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.auth-tab.active {
  color: var(--navy);
  border-bottom-color: var(--accent, #1c66d6);
}

.auth-panel { display: none; }
.auth-panel.active { display: block; }

.signup-success {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: #16a34a;
}

/* 상단 로그아웃 — 기존 pill-mini 와 조화 */
.logout-btn{
  border-color: rgba(14, 27, 43, .16);
  color: var(--muted);
  font-weight: 800;
}
.logout-btn:hover{
  color: var(--navy);
  border-color: rgba(193, 50, 50, .35);
  background: rgba(193, 50, 50, .06);
}

.changepwd-notice {
  background: rgba(245, 158, 11, .1);
  border: 1px solid rgba(245, 158, 11, .3);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.55;
  color: #92400e;
  margin-bottom: 18px;
  font-weight: 600;
}

@media (max-width: 520px){
  .login-card{ padding: 22px 18px 18px; }
  .login-brand{ margin-bottom: 20px; }
}