/* ============================================================
   チバリヨ - 認証画面 / 最小シェル スタイル
============================================================ */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
               "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;

  --color-bg: #F7F8FA;
  --color-card: #FFFFFF;
  --color-border: #E2E5EA;
  --color-border-strong: #C9CED6;

  --color-text: #1F2933;
  --color-text-sub: #6B7280;
  --color-text-muted: #9AA0A8;

  --color-primary: #0C447C;
  --color-primary-bg: #E6F1FB;

  --color-danger: #A32D2D;
  --color-danger-bg: #FCEBEB;

  --color-success: #0F6E56;
  --color-success-bg: #E1F5EE;

  --color-dev: #854F0B;
  --color-dev-bg: #FAEEDA;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  height: 100%;
}

/* ============================================================
   Loading View
============================================================ */
.loading-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 16px;
}
.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-text {
  color: var(--color-text-sub);
  font-size: 14px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Login View
============================================================ */
.login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px 16px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}

.login-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.brand-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
}
.brand-sub {
  font-size: 12px;
  color: var(--color-text-sub);
  margin-top: 2px;
}

.env-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--color-dev-bg);
  color: var(--color-dev);
  letter-spacing: 0.05em;
}
.env-badge-inline {
  margin-left: 8px;
  vertical-align: middle;
}

.login-section {
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-google {
  background: #FFFFFF;
  color: #1F2933;
  border-color: var(--color-border-strong);
}
.btn-google:hover:not(:disabled) {
  background: #F2F4F7;
}

.btn-secondary {
  background: var(--color-primary);
  color: #FFFFFF;
}
.btn-secondary:hover:not(:disabled) {
  background: #0a3863;
}

.btn-ghost {
  width: auto;
  background: transparent;
  color: var(--color-text-sub);
  border-color: var(--color-border);
  padding: 7px 12px;
  font-size: 13px;
}
.btn-ghost:hover:not(:disabled) {
  background: #F2F4F7;
  color: var(--color-text);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--color-text-muted);
  font-size: 12px;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.email-label {
  display: block;
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 6px;
}
.email-input {
  width: 100%;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  background: #FFFFFF;
  color: var(--color-text);
}
.email-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 68, 124, 0.12);
}
.email-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 8px;
  text-align: center;
}

.login-message {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-success-bg);
  color: var(--color-success);
  font-size: 13px;
  line-height: 1.5;
}
.login-error {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-danger-bg);
  color: var(--color-danger);
  font-size: 13px;
  line-height: 1.5;
}

.login-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
}

/* ============================================================
   App View(最小シェル)
============================================================ */
.app-view {
  min-height: 100vh;
  background: var(--color-bg);
}

.app-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
}
.app-header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.app-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.app-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.app-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  background: var(--color-primary-bg);
  color: var(--color-primary);
}
.app-user-meta {
  text-align: right;
  line-height: 1.3;
}
.app-user-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}
.app-user-role {
  font-size: 11px;
  color: var(--color-text-sub);
}

.app-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px 24px;
}

.welcome-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 640px;
}
.welcome-card h1 {
  margin: 0 0 12px 0;
  font-size: 22px;
  font-weight: 600;
}
.welcome-card p {
  margin: 0 0 20px 0;
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.7;
}
.phase-note {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.6;
}

/* ============================================================
   レスポンシブ(スマホ)
============================================================ */
@media (max-width: 480px) {
  .login-card {
    padding: 24px 20px;
  }
  .brand-title {
    font-size: 22px;
  }
  .app-header-inner {
    padding: 10px 14px;
  }
  .app-user-meta {
    display: none;
  }
}