/* ===== Login Screen ===== */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  background: var(--color-bg-secondary);
}

.login-card {
  text-align: center;
  background: var(--color-bg);
  padding: var(--space-12) var(--space-12);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 360px;
  width: 100%;
}

.login-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.login-card__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.login-card__google-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background: var(--color-bg);
  text-decoration: none;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.login-card__google-btn:hover {
  background: var(--color-bg-hover);
  box-shadow: var(--shadow-sm);
}

/* ===== User Menu ===== */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.user-menu__avatar {
  border-radius: 50%;
  object-fit: cover;
}

/* ===== Migration Banner ===== */
.migrate-banner {
  background: var(--color-warning-light);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.migrate-banner__content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.migrate-banner__content--success {
  background: var(--color-success-light);
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
  padding: var(--space-3) var(--space-6);
}

.migrate-banner__icon {
  display: flex;
  align-items: center;
  color: var(--color-warning);
  flex-shrink: 0;
}

.migrate-banner__text {
  flex: 1;
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

/* ===== App Layout ===== */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* --- Tab Navigation --- */
.tab-nav {
  height: var(--header-height);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-bg);
  z-index: var(--z-header);
}

.tab-nav__left {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.tab-nav__tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
}

.tab-nav__tab:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-secondary);
}

.tab-nav__tab--active {
  color: var(--color-text);
  background: var(--color-bg-active);
  font-weight: var(--font-weight-semibold);
}

.tab-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.timebox-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.project-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --- Tab Content --- */
.tab-content {
  flex: 1;
  overflow: hidden;
  display: none;
}

.tab-content--active {
  display: flex;
  flex-direction: column;
}

/* --- Date Nav --- */
.date-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.date-nav__btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  font-size: var(--font-size-md);
}

.date-nav__btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.date-nav__current {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  min-width: 180px;
  text-align: center;
  cursor: pointer;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.date-nav__current:hover {
  background: var(--color-bg-hover);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.btn--ghost {
  color: var(--color-text-secondary);
}

.btn--ghost:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.btn--danger {
  color: var(--color-danger);
}

.btn--danger:hover {
  background: var(--color-danger-light);
}

/* --- Main Content (Timebox tab) --- */
.main__content {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* --- Task Panel (left of timeboard) --- */
.task-panel {
  width: var(--task-panel-width);
  min-width: var(--task-panel-width);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.task-panel__section {
  padding: var(--space-4);
}

.task-panel__section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-3);
}

.task-panel__top3 {
  border-bottom: 1px solid var(--color-border);
}

.task-panel__all {
  flex: 1;
  overflow-y: auto;
}

/* --- Timeboard Panel --- */
.timeboard-panel {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
}

/* --- Project Page Overlay (Notion style) --- */
.project-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 150ms ease;
}

.project-overlay__inner {
  width: 94%;
  height: 92%;
  max-width: 900px;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 200ms ease;
}

.project-overlay__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.project-overlay__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-tertiary);
  font-size: 18px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.project-overlay__close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.project-overlay__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.project-overlay__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8) var(--space-12);
}

.project-overlay__color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.project-overlay__color-dot:hover {
  transform: scale(1.2);
}

.project-overlay__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  border: none;
  outline: none;
  width: 100%;
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.project-overlay__title::placeholder {
  color: var(--color-text-tertiary);
}

.project-overlay__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  border: none;
  outline: none;
  width: 100%;
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-6);
  resize: none;
  line-height: 1.6;
  min-height: 20px;
}

.project-overlay__desc::placeholder {
  color: var(--color-text-tertiary);
}

.project-overlay__section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
}

.project-overlay__notes {
  width: 100%;
  min-height: 120px;
  border: none;
  outline: none;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
  resize: vertical;
  font-family: inherit;
}

.project-overlay__notes::placeholder {
  color: var(--color-text-tertiary);
}

.project-overlay__notes:focus {
  box-shadow: none;
  border: none;
  background: var(--color-bg-hover);
}

/* ===== Print Styles ===== */
@media print {
  /* Hide sidebar, tab nav tabs, and controls — keep only date + timeboard */
  .task-panel,
  .tab-nav__left,
  .project-controls,
  #pdf-export-btn,
  .date-nav__btn,
  .project-overlay {
    display: none !important;
  }

  /* Remove layout constraints so timeboard fills the page */
  .app {
    height: auto;
    overflow: visible;
  }

  .tab-content,
  .tab-content--active {
    display: flex !important;
    flex-direction: column;
    overflow: visible;
  }

  .main__content {
    overflow: visible;
  }

  .timeboard-panel {
    overflow: visible;
    flex: 1;
    width: 100%;
  }

  /* Make date header centered and prominent */
  .tab-nav {
    border-bottom: none;
    justify-content: center;
    padding: 0;
  }

  .date-nav__current {
    font-size: var(--font-size-xl);
  }
}