/* ==========================================================================
   HEKA Calendar — Interactive App Preview
   High-fidelity reconstruction of the in-app month + day-panel UI
   ========================================================================== */

:root {
  /* Core app palette (mirrors src/styles/global.css) */
  --ap-bg: #070708;
  --ap-bg-elevated: #0f0f11;
  --ap-bg-card: #16161a;
  --ap-bg-hover: #1e1e24;
  --ap-gold: #d4af37;
  --ap-gold-light: #f4d03f;
  --ap-gold-dark: #b8941f;
  --ap-gold-muted: rgba(212, 175, 55, 0.12);
  --ap-gold-glow: rgba(212, 175, 55, 0.4);
  --ap-text: #f8f7f5;
  --ap-text-secondary: #c4c4cc;
  --ap-text-muted: #a1a1aa;
  --ap-text-subtle: #86868f;
  --ap-border: rgba(255, 255, 255, 0.08);
  --ap-border-hover: rgba(212, 175, 55, 0.3);
  --ap-border-strong: rgba(255, 255, 255, 0.15);
  --ap-opening: #dc2626;
  --ap-opening-bg: rgba(220, 38, 38, 0.14);
  --ap-core: #16a34a;
  --ap-core-bg: rgba(22, 163, 74, 0.14);
  --ap-closing: #7c3aed;
  --ap-closing-bg: rgba(124, 58, 237, 0.14);
  --ap-sync: #0ea5e9;
  --ap-true: #f59e0b;
  --ap-radius-sm: 6px;
  --ap-radius-md: 12px;
  --ap-radius-lg: 18px;
  --ap-shadow: 0 24px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06);
  --ap-glow: 0 0 40px rgba(212, 175, 55, 0.12);
  --ap-font-display: 'Cinzel', 'Playfair Display', Georgia, serif;
  --ap-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --ap-font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

.page-app-preview .hero {
  padding: 140px 0 60px;
  text-align: center;
}

.page-app-preview .hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  margin-bottom: 20px;
}

.page-app-preview .hero-lead {
  color: var(--light-secondary);
  max-width: 680px;
  margin: 0 auto 48px;
  font-size: 1.15rem;
}

.app-preview-section {
  padding: 0 0 100px;
  position: relative;
}

.app-preview-stage {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.app-device {
  background: var(--ap-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--ap-radius-lg);
  box-shadow: var(--ap-shadow), var(--ap-glow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 680px;
  position: relative;
}

.app-device::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(212, 175, 55, 0.04) 0%, transparent 45%),
    radial-gradient(ellipse at 80% 100%, rgba(124, 58, 237, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* App header */
.app-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(15, 15, 17, 0.85);
  border-bottom: 1px solid var(--ap-border);
  backdrop-filter: blur(12px);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-header__logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 8px;
}

.app-header__title {
  font-family: var(--ap-font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ap-text);
}

.app-header__mode {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ap-font-body);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ap-text-muted);
  padding: 6px 12px;
  border: 1px solid var(--ap-border);
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.08);
}

.app-header__mode-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ap-sync);
  box-shadow: 0 0 8px var(--ap-sync);
}

/* App main layout */
.app-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  min-height: 0;
}

.app-calendar-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
}

/* Month header */
.month-header {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ap-border);
  margin-bottom: 18px;
}

.month-header__controls {
  display: flex;
  gap: 16px;
  align-items: stretch;
}

.month-header__column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.month-header__column--controls {
  flex: 0 0 auto;
}

.month-header__column--features {
  flex: 1 1 auto;
}

.month-header__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.month-header__divider {
  width: 1px;
  background: var(--ap-border-strong);
  align-self: stretch;
}

.month-header__display-toggles {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--ap-font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ap-text-secondary);
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  transition: all 150ms ease;
  white-space: nowrap;
}

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

.btn--icon {
  padding: 8px 12px;
  font-size: 1rem;
  min-width: 38px;
}

.btn--active {
  background: rgba(212, 175, 55, 0.14);
  border-color: rgba(212, 175, 55, 0.45);
  color: var(--ap-gold-light);
}

.btn--primary {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.18), rgba(212, 175, 55, 0.08));
  border-color: rgba(212, 175, 55, 0.35);
  color: var(--ap-gold-light);
}

.btn--primary:hover {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.28), rgba(212, 175, 55, 0.12));
}

.pill-emoji {
  font-size: 1.05em;
  line-height: 1;
}

/* Calendar grid wrapper */
.calendar-grid {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.calendar-grid__month-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 16px;
}

.calendar-grid__month-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.calendar-grid__month-name {
  font-family: var(--ap-font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--ap-text);
  letter-spacing: 0.04em;
}

.calendar-grid__year {
  font-family: var(--ap-font-body);
  font-size: 1rem;
  color: var(--ap-text-muted);
  font-weight: 400;
}

.calendar-grid__month-index {
  text-align: center;
  font-family: var(--ap-font-body);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ap-text-subtle);
  margin-bottom: 10px;
}

.calendar-grid__arc {
  font-family: var(--ap-font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid;
  border-radius: 999px;
  white-space: nowrap;
}

.calendar-grid__dow {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}

.calendar-grid__dow-cell {
  text-align: center;
  font-family: var(--ap-font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ap-text-muted);
  padding: 8px 0;
}

.calendar-grid__week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  flex: 1;
  min-height: 0;
}

/* Day cells */
.day-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(22, 22, 26, 0.55);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-sm);
  padding: 8px;
  text-align: left;
  cursor: pointer;
  transition: all 150ms ease;
  min-height: 92px;
  overflow: hidden;
}

.day-cell:hover {
  background: var(--ap-bg-hover);
  border-color: var(--ap-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.day-cell--selected {
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--ap-gold);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.18), inset 0 0 0 1px rgba(212, 175, 55, 0.15);
}

.day-cell--today {
  border-color: var(--ap-gold);
}

.day-cell--today .day-cell__heka-num {
  color: var(--ap-gold-light);
  text-shadow: 0 0 10px var(--ap-gold-glow);
}

.day-cell--blank {
  background: transparent;
  border-color: transparent;
  cursor: default;
  pointer-events: none;
}

.day-cell__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.day-cell__heka-num {
  font-family: var(--ap-font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ap-text);
  line-height: 1;
}

.day-cell__celestial-badges {
  display: flex;
  gap: 4px;
  align-items: center;
}

.day-cell__moon {
  font-size: 0.95rem;
  line-height: 1;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.15));
}

.day-cell__civil {
  font-family: var(--ap-font-body);
  font-size: 0.7rem;
  color: var(--ap-text-subtle);
  letter-spacing: 0.02em;
}

.day-cell__note-preview {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.note-preview-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
  color: var(--ap-text-secondary);
  background: rgba(212, 175, 55, 0.08);
  border-radius: 4px;
  padding: 3px 6px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.note-preview-tag {
  font-family: var(--ap-font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--ap-gold);
  background: rgba(212, 175, 55, 0.15);
  border-radius: 3px;
  padding: 1px 3px;
}

.day-cell__holiday-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ap-closing);
  box-shadow: 0 0 6px var(--ap-closing);
  position: absolute;
  top: 8px;
  right: 8px;
}

/* Day panel */
.app-day-panel {
  width: 380px;
  flex-shrink: 0;
  background: rgba(15, 15, 17, 0.92);
  border-left: 1px solid var(--ap-border);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: transform 300ms ease, opacity 300ms ease;
}

.app-day-panel--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  color: var(--ap-text-muted);
}

.app-day-panel__header {
  padding: 22px 24px;
  border-bottom: 1px solid var(--ap-border);
  background: rgba(22, 22, 26, 0.4);
}

.app-day-panel__date {
  font-family: var(--ap-font-display);
  font-size: 1.4rem;
  color: var(--ap-text);
  margin-bottom: 4px;
}

.app-day-panel__civil {
  font-family: var(--ap-font-body);
  font-size: 0.85rem;
  color: var(--ap-text-muted);
}

.app-day-panel__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.day-panel-card {
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-md);
  padding: 16px;
}

.day-panel-card__title {
  font-family: var(--ap-font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ap-gold);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.day-panel-card__content {
  font-family: var(--ap-font-body);
  font-size: 0.9rem;
  color: var(--ap-text-secondary);
  line-height: 1.5;
}

.day-panel-card__content strong {
  color: var(--ap-text);
  font-weight: 600;
}

.day-panel-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--ap-border);
}

.day-panel-note:last-child {
  border-bottom: none;
}

.day-panel-note__icon {
  font-size: 1rem;
  line-height: 1;
}

.day-panel-note__text {
  font-size: 0.85rem;
  color: var(--ap-text-secondary);
}

/* Preview-only toast/modal */
.app-preview-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--ap-bg-elevated);
  color: var(--ap-text);
  border: 1px solid var(--ap-border-strong);
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 0.9rem;
  box-shadow: var(--ap-shadow);
  z-index: 9999;
  opacity: 0;
  transition: transform 300ms ease, opacity 300ms ease;
}

.app-preview-toast--visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* App-style feature modals */
.ap-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 3, 8, 0.78);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}

.ap-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.ap-modal {
  background: var(--ap-bg-elevated);
  border: 1px solid var(--ap-border-strong);
  border-radius: var(--ap-radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--ap-shadow), 0 0 60px rgba(0, 0, 0, 0.5);
  transform: translateY(20px) scale(0.98);
  transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.ap-modal-overlay.active .ap-modal {
  transform: translateY(0) scale(1);
}

.ap-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--ap-border);
  background: rgba(22, 22, 26, 0.4);
}

.ap-modal__title {
  font-family: var(--ap-font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ap-text);
  margin: 0;
}

.ap-modal__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--ap-border);
  border-radius: 50%;
  color: var(--ap-text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 150ms ease;
}

.ap-modal__close:hover {
  border-color: var(--ap-gold);
  color: var(--ap-gold);
}

.ap-modal__body {
  padding: 24px;
  overflow-y: auto;
}

.ap-modal__body p {
  color: var(--ap-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ap-modal__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.ap-modal__card {
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-md);
  padding: 18px;
  text-align: center;
  transition: all 150ms ease;
}

.ap-modal__card:hover {
  border-color: var(--ap-border-hover);
  transform: translateY(-2px);
}

.ap-modal__card-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.ap-modal__card-title {
  font-family: var(--ap-font-display);
  font-size: 0.85rem;
  color: var(--ap-text);
  margin-bottom: 4px;
}

.ap-modal__card-sub {
  font-size: 0.7rem;
  color: var(--ap-text-muted);
}

.ap-modal__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ap-modal__list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-sm);
  padding: 14px;
}

.ap-modal__list-icon {
  font-size: 1.2rem;
}

.ap-modal__list-text {
  font-size: 0.9rem;
  color: var(--ap-text-secondary);
}

.ap-modal__list-text strong {
  color: var(--ap-text);
  display: block;
  margin-bottom: 2px;
}

.ap-modal__stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.ap-modal__stat {
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-sm);
  padding: 16px 8px;
  text-align: center;
}

.ap-modal__stat-value {
  font-family: var(--ap-font-display);
  font-size: 1.5rem;
  color: var(--ap-gold);
  margin-bottom: 4px;
}

.ap-modal__stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ap-text-muted);
}

.ap-modal__input {
  width: 100%;
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-sm);
  padding: 12px 16px;
  color: var(--ap-text);
  font-family: var(--ap-font-body);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.ap-modal__input:focus {
  outline: none;
  border-color: var(--ap-gold);
}

.ap-modal__vote {
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border);
  border-radius: var(--ap-radius-md);
  padding: 20px;
  text-align: center;
}

.ap-modal__vote h4 {
  font-family: var(--ap-font-display);
  font-size: 1rem;
  color: var(--ap-text);
  margin-bottom: 6px;
}

.ap-modal__vote p {
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.ap-modal__vote-bar {
  height: 8px;
  background: var(--ap-bg-hover);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 16px;
}

.ap-modal__vote-fill {
  height: 100%;
  width: 72%;
  background: linear-gradient(90deg, var(--ap-gold), var(--ap-gold-light));
  border-radius: 999px;
}

.ap-modal__vote-options {
  display: flex;
  gap: 10px;
  justify-content: center;
}

@media (max-width: 600px) {
  .ap-modal__grid {
    grid-template-columns: 1fr;
  }

  .ap-modal__stat-row {
    grid-template-columns: 1fr;
  }

  .ap-modal {
    max-height: 90vh;
  }
}

/* Floating hint overlay */
.app-preview-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 7, 8, 0.7);
  backdrop-filter: blur(3px);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}

.app-preview-hint--show {
  opacity: 1;
  pointer-events: auto;
}

.app-preview-hint__box {
  background: var(--ap-bg-card);
  border: 1px solid var(--ap-border-strong);
  border-radius: var(--ap-radius-lg);
  padding: 28px 32px;
  max-width: 360px;
  text-align: center;
  box-shadow: var(--ap-shadow);
}

.app-preview-hint__box h3 {
  font-family: var(--ap-font-display);
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--ap-text);
}

.app-preview-hint__box p {
  font-size: 0.9rem;
  color: var(--ap-text-secondary);
  margin-bottom: 20px;
}

/* Marketing callouts below preview */
.app-preview-features {
  padding: 80px 0;
}

.app-preview-features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.app-preview-feature {
  background: var(--temple);
  border: 1px solid var(--veil);
  border-radius: var(--ap-radius-md);
  padding: 28px;
}

.app-preview-feature__icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.app-preview-feature h3 {
  font-family: var(--font-ritual);
  font-size: 1.1rem;
  color: var(--light-primary);
  margin-bottom: 8px;
}

.app-preview-feature p {
  font-size: 0.95rem;
  color: var(--light-secondary);
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 1100px) {
  .app-main {
    flex-direction: column;
  }

  .app-day-panel {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--ap-border);
    max-height: 420px;
  }

  .month-header__controls {
    flex-direction: column;
    gap: 12px;
  }

  .month-header__divider {
    display: none;
  }

  .month-header__column--features {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .page-app-preview .hero {
    padding: 120px 0 40px;
  }

  .app-device {
    border-radius: var(--ap-radius-md);
    min-height: auto;
  }

  .app-calendar-area {
    padding: 14px;
  }

  .month-header {
    gap: 12px;
  }

  .month-header__row {
    gap: 8px;
  }

  .btn {
    padding: 7px 10px;
    font-size: 0.72rem;
  }

  .btn--icon {
    min-width: 34px;
    padding: 7px 10px;
  }

  .calendar-grid__dow {
    gap: 4px;
  }

  .calendar-grid__week {
    gap: 4px;
  }

  .day-cell {
    min-height: 64px;
    padding: 5px;
    gap: 2px;
  }

  .day-cell__heka-num {
    font-size: 0.95rem;
  }

  .day-cell__moon {
    font-size: 0.8rem;
  }

  .day-cell__civil {
    font-size: 0.6rem;
  }

  .note-preview-item {
    display: none;
  }

  .app-day-panel__header {
    padding: 18px 20px;
  }

  .app-day-panel__body {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .calendar-grid__month-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .calendar-grid__arc {
    align-self: flex-start;
  }
}