/* 登录页 - 浅色简洁风格 */
.login-page {
  position: relative;
  min-height: 100vh;
  background: var(--color-gray-50);
  color: var(--color-gray-900);
  padding: calc(env(safe-area-inset-top) + 20px) var(--space-4) calc(env(safe-area-inset-bottom) + 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-back {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 16px);
  left: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  font-size: 18px;
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.login-back:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
}
.login-back:active {
  opacity: 0.8;
}

.login-logo {
  margin-top: 48px;
  margin-bottom: 8px;
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-gray-900);
}
.login-logo span {
  color: var(--color-primary);
}
.login-slogan {
  font-size: var(--text-base);
  color: var(--color-gray-500);
  margin-bottom: 40px;
}

.login-form {
  width: 100%;
  max-width: 360px;
  padding: var(--space-8) var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

.login-input-wrap {
  margin-bottom: var(--space-5);
}
.login-input-wrap:last-of-type {
  margin-bottom: 0;
}
.login-input-wrap label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.login-input-row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.login-input {
  width: 100%;
  flex: 1;
  height: 42px;
  padding: 0 var(--space-3);
  font-size: var(--text-base);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  color: var(--color-gray-900);
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.login-input::placeholder {
  color: var(--color-gray-400);
}
.login-input:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary-bg);
}

.login-send-btn {
  flex-shrink: 0;
  min-width: 96px;
  height: 42px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  color: var(--color-gray-700);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.login-send-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}
.login-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.login-send-btn:not(:disabled):active {
  opacity: 0.9;
}

.login-submit {
  width: 100%;
  height: 44px;
  margin-top: var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}
.login-submit:hover:not(:disabled) {
  background: var(--color-primary-dark);
}
.login-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.login-submit:not(:disabled):active {
  opacity: 0.95;
}