/* ========================================
 * Shared Login Page Styles
 * ======================================== */

:root {
  --login-primary: #16baaa;
  --login-primary-hover: #13a899;
  --login-bg: #f5f7fb;
  --login-panel-bg: #ffffff;
  --login-text: #1f2937;
  --login-muted: #64748b;
  --login-border: #d1d5db;
  --login-shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  background: var(--login-bg);
  color: var(--login-text);
}

.page-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.panel {
  width: 100%;
  max-width: 460px;
  padding: 34px 42px;
  border-radius: 16px;
  background: var(--login-panel-bg);
  box-shadow: var(--login-shadow);
}

.panel h1 {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.2;
  color: #0f172a;
}

.panel p {
  margin: 0 0 24px;
  color: #4b5563;
}

.login-brand-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  text-decoration: none;
}

.login-brand-image {
  display: block;
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  object-fit: contain;
}

.login-brand-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.login-brand-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #0f172a;
  font-size: 24px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.login-brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  border: 1px solid #99f6e4;
  border-radius: 999px;
  background: #ecfeff;
  color: #0f766e;
  font-size: 11px;
  line-height: 1;
  font-weight: 700;
  white-space: nowrap;
}

.login-brand-subtitle {
  color: var(--login-muted);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #334155;
}

.form-row input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--login-border);
  border-radius: 10px;
  background: #ffffff;
  color: var(--login-text);
  font-size: 14px;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.form-row input:focus {
  outline: none;
  border-color: var(--login-primary);
  box-shadow: 0 0 0 3px rgba(22, 186, 170, 0.12);
}

.form-row input::placeholder {
  color: #94a3b8;
}

.actions {
  margin-top: 24px;
}

.btn {
  width: 100%;
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--login-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    transform 0.2s ease;
}

.btn:hover {
  background: var(--login-primary-hover);
}

.btn:active {
  transform: translateY(1px);
}

.hint,
.error,
.success {
  margin-top: 12px;
  font-size: 14px;
}

.hint {
  color: var(--login-muted);
}

.error {
  color: #b91c1c;
}

.success {
  color: #166534;
}

@media (max-width: 480px) {
  .page-shell {
    padding: 16px;
  }

  .panel {
    padding: 24px 20px;
  }

  .login-brand-link {
    gap: 12px;
    margin-bottom: 18px;
  }

  .login-brand-image {
    width: 56px;
    height: 56px;
    flex-basis: 56px;
  }

  .login-brand-title {
    flex-wrap: wrap;
    font-size: 20px;
  }
}