@import url("module/fonts.css");
@import url("module/variables.css");

/* === Auth Layout === */

.auth-body {
  font-family: "Noto Sans TC", sans-serif;
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background-color: var(--bg-body);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* 背景裝飾 */
.auth-deco-1 {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(3, 215, 244, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.auth-deco-2 {
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(63, 29, 177, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

/* === Login Card === */

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 40px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(10, 10, 50, 0.08);
  position: relative;
  z-index: 10;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* === Brand === */

.auth-brand {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
  font-size: 2rem;
  color: var(--ci-dark);
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.auth-brand .brand-accent {
  color: var(--ci-cyan);
}

.auth-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* === Tabs === */

.auth-tabs {
  display: flex;
  background: #f1f3f5;
  border-radius: 12px;
  padding: 5px;
  margin-bottom: 30px;
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.auth-tab:hover {
  color: var(--ci-blue);
  background: rgba(255, 255, 255, 0.5);
}

/* Skin: active */
.auth-tab.is-active {
  background: #fff;
  color: var(--ci-blue);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* === Form === */

.auth-card .form-label {
  font-weight: 600;
  color: var(--ci-dark);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.auth-card .input-group-text {
  background: #f8f9fa;
  border: 1px solid #ced4da;
  border-right: none;
  color: var(--text-muted);
}

.auth-card .form-control {
  background: #fff;
  border: 1px solid #ced4da;
  color: var(--text-main);
  padding: 12px;
  font-size: 1rem;
}

.auth-card .form-control:focus {
  background: #fff;
  border-color: var(--ci-cyan);
  box-shadow: 0 0 0 4px rgba(3, 215, 244, 0.1);
  color: var(--text-main);
}

/* === Button === */

.btn-auth {
  background: linear-gradient(135deg, var(--ci-blue), var(--ci-purple));
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 1px;
  margin-top: 10px;
  transition: all 0.3s;
  color: #fff;
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(63, 29, 177, 0.3);
  color: #fff;
}

.btn-auth:active {
  transform: translateY(0);
}

/* === Footer === */

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.8rem;
  color: #adb5bd;
}

/* === Responsive === */

@media (max-width: 480px) {
  .auth-card {
    margin: 16px;
    padding: 36px 24px;
  }
}