/*
 * StudyPlan — App Styles v2
 * Premium iOS-inspired UI/UX
 * Consumes ds.css tokens (--ds-*) directly.
 */

/* ===== BASE ===== */
html {
  background: var(--ds-bg-primary);
  color: var(--ds-text-primary);
  /* Prevent rubber-band overscroll showing white behind */
  height: 100%;
}

body {
  min-height: 100dvh;
  background: var(--ds-bg-primary);
  overscroll-behavior: none;
  /* iOS: prevent text size adjust on rotation */
  -webkit-text-size-adjust: 100%;
  /* iOS: smooth momentum scrolling */
  -webkit-overflow-scrolling: touch;
  /* Prevent pull-to-refresh in standalone mode */
  overscroll-behavior-y: contain;
}

/* iOS standalone: extend bg behind status bar */
@supports (padding-top: env(safe-area-inset-top)) {
  body::before {
    content: '';
    display: block;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: env(safe-area-inset-top);
    background: var(--ds-bg-primary);
    z-index: 9998;
  }
}

#app {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  min-height: 100dvh;
  padding-bottom: calc(80px + var(--ds-safe-bottom));
  padding-left: var(--ds-space-4);
  padding-right: var(--ds-space-4);
}

/* Disable user-select on interactive elements for native feel */
button, .ds-tab, .week-day, .block-check, .color-dot {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Disable long-press context menu on app shell */
#app, .ds-tabbar, .app-header {
  -webkit-touch-callout: none;
}

/* Remove tap highlight on iOS */
* {
  -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }

/* Page transition */
.page-enter {
  animation: pageEnter 0.25s ease-out;
}
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== HEADER ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--ds-safe-top) + 16px) var(--ds-space-1) 12px;
  background: var(--ds-bg-primary);
  position: sticky;
  top: 0;
  z-index: var(--ds-z-dropdown);
}

.header-title {
  font-size: var(--ds-text-4xl);
  font-weight: var(--ds-weight-bold);
  letter-spacing: var(--ds-tracking-tight);
  color: var(--ds-text-primary);
  line-height: 1.1;
}

.header-subtitle {
  font-size: var(--ds-text-xs);
  color: var(--ds-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--ds-tracking-wide);
  font-weight: var(--ds-weight-semibold);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
}

.header-clock {
  font-size: var(--ds-text-lg);
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-secondary);
  font-variant-numeric: tabular-nums;
  padding-right: var(--ds-space-1);
}

/* ===== VERSE MARQUEE ===== */
.verse-marquee {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 20px;
  margin-bottom: var(--ds-space-1);
}

/* Fade edges — gradient matches site background */
.verse-marquee::before,
.verse-marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 40px;
  z-index: 1;
  pointer-events: none;
}
.verse-marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--ds-bg-primary), transparent);
}
.verse-marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--ds-bg-primary), transparent);
}

.verse-track {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: marqueeScroll 45s linear infinite;
  width: max-content;
}

.verse-track span {
  font-size: 11px;
  font-weight: 500;
  color: var(--ds-text-tertiary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.verse-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--ds-text-quaternary);
  margin: 0 12px;
  flex-shrink: 0;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== WEEK NAV ===== */
.week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ds-space-2) var(--ds-space-1) 0;
  background: var(--ds-bg-primary);
  margin-bottom: 0;
}

.week-days-scroll {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  justify-content: center;
}
.week-days-scroll::-webkit-scrollbar { display: none; }

.week-nav-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  color: var(--ds-text-tertiary);
  cursor: pointer;
  padding: 0 8px;
  transition: color var(--ds-duration-fast);
}
.week-nav-arrow:hover, .week-nav-arrow:active {
  color: var(--ds-text-primary);
}

.week-day {
  flex: 1;
  min-width: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--ds-space-2) var(--ds-space-1) var(--ds-space-2);
  border-radius: var(--ds-radius-md);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.25s cubic-bezier(0.32, 0.72, 0, 1);
  color: var(--ds-text-primary);
  font-family: var(--ds-font);
}
.week-day:active {
  transform: scale3d(0.93, 0.93, 1);
  background: var(--ds-fill-quaternary);
  transition: transform 0.06s cubic-bezier(0.32, 0.72, 0, 1);
}

.week-day .day-label {
  font-size: var(--ds-text-2xs);
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.week-day .day-number {
  font-size: var(--ds-text-base);
  font-weight: var(--ds-weight-semibold);
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--ds-radius-full);
  transition: all var(--ds-duration-fast) var(--ds-ease-spring);
}

.week-day.active .day-number {
  background: var(--ds-accent);
  color: var(--ds-text-inverse);
  box-shadow: 0 2px 10px rgba(0, 122, 255, 0.3);
}
.week-day.today .day-label { color: var(--ds-accent); }
.week-day.today:not(.active) .day-number { color: var(--ds-accent); }

.week-day .day-dots { display: flex; gap: 3px; height: 4px; min-height: 4px; }
.day-dot { width: 4px; height: 4px; border-radius: var(--ds-radius-full); }

/* ===== PIZZA VIEW ===== */
.pizza-container { padding: 0 0 var(--ds-space-5); }

.pizza-wrapper {
  position: relative;
  width: 100%;
  max-width: 340px;
  margin: 0 auto var(--ds-space-5);
  aspect-ratio: 1;
}

.pizza-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.05));
}

.pizza-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
}

.pizza-add-btn {
  pointer-events: auto;
  border: none;
  background: var(--ds-accent);
  color: white;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 122, 255, 0.35);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.pizza-add-btn:active {
  transform: scale(0.85);
  box-shadow: 0 1px 4px rgba(0, 122, 255, 0.2);
  transition: transform 0.08s cubic-bezier(0.32, 0.72, 0, 1),
              box-shadow 0.08s ease;
}

.pizza-center-label {
  display: block;
  font-size: 11px;
  color: var(--ds-text-secondary);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}

.pizza-slice {
  cursor: pointer;
  transition: opacity var(--ds-duration-fast), transform var(--ds-duration-fast);
  transform-origin: 200px 200px;
}
.pizza-slice:hover { opacity: 0.85; }
.pizza-slice:active { transform: scale(1.03); }
.pizza-slice.done-slice { opacity: 0.35; }

.pizza-tick { stroke: var(--ds-separator-opaque); }
.pizza-hour-label {
  font-size: 10px;
  font-weight: var(--ds-weight-semibold);
  fill: var(--ds-text-tertiary);
  font-family: var(--ds-font);
}

.pizza-now-line { stroke: var(--ds-danger); stroke-width: 2.5; stroke-linecap: round; }
.pizza-now-dot  { fill: var(--ds-danger); }


.pizza-progress {
  width: 48px; height: 3px;
  background: var(--ds-fill-tertiary);
  border-radius: var(--ds-radius-full);
  margin: var(--ds-space-2) auto 0;
  overflow: hidden;
}
.pizza-progress-fill {
  height: 100%; width: 0%;
  background: var(--ds-success);
  border-radius: var(--ds-radius-full);
  transition: width var(--ds-duration-slow) var(--ds-ease-spring);
}

.auth-screen {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--ds-bg-primary);
  display: flex; justify-content: center; align-items: center;
  z-index: 9999;
  padding: var(--ds-space-6);
  padding-top: calc(var(--ds-safe-top) + var(--ds-space-6));
  padding-bottom: calc(var(--ds-safe-bottom) + var(--ds-space-6));
}


/* ===== BLOCK LIST ===== */
.block-list { display: flex; flex-direction: column; gap: var(--ds-space-2); }

/* ===== BLOCK CARD — Redesigned ===== */
.block-card {
  background: var(--ds-bg-card);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-3) var(--ds-space-4);
  display: flex;
  align-items: center;
  gap: var(--ds-space-3);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1),
              box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--ds-shadow-sm);
}
.block-card::before {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--block-color, var(--ds-accent));
  border-radius: 0 0 var(--ds-radius-md) var(--ds-radius-md);
  z-index: 0;
  transform-origin: left;
  transform: scaleX(var(--block-progress, 0));
  transition: transform 1s linear;
}
.block-card::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 40%;
  background: linear-gradient(to right, var(--block-color, var(--ds-accent)), transparent);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}
.block-card > * {
  position: relative;
  z-index: 1;
}
.block-card:active {
  transform: scale3d(0.97, 0.97, 1);
  box-shadow: var(--ds-shadow-xs, 0 1px 2px rgba(0,0,0,0.08));
  transition: transform 0.08s cubic-bezier(0.32, 0.72, 0, 1),
              box-shadow 0.08s ease;
}
.block-card.done { opacity: 0.5; }
.block-card.done .block-subject,
.block-card.done .block-topic { text-decoration: line-through; }

/* Type badge — small icon circle */
.block-type-badge {
  width: 36px; height: 36px;
  border-radius: var(--ds-radius-full);
  background: color-mix(in srgb, var(--block-color, var(--ds-accent)) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.block-type-badge .ds-icon {
  width: 18px; height: 18px;
}

/* Info column */
.block-info { flex: 1; min-width: 0; }
.block-subject {
  font-size: 14px;
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 2px;
}
.block-meta {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
  margin-top: 3px;
}
.block-time-badge {
  font-size: 11px;
  font-weight: var(--ds-weight-medium);
  color: var(--ds-text-secondary);
  font-variant-numeric: tabular-nums;
}
.block-duration-pill {
  font-size: 9px;
  color: var(--ds-text-tertiary);
  background: var(--ds-fill-quaternary);
  padding: 1px 6px;
  border-radius: var(--ds-radius-full);
  font-weight: var(--ds-weight-semibold);
  letter-spacing: 0.02em;
}
.block-topic {
  font-size: var(--ds-text-xs);
  color: var(--ds-text-tertiary);
  margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Check button */
.block-check {
  width: 28px; height: 28px;
  border-radius: var(--ds-radius-full);
  border: 2px solid var(--ds-fill-primary);
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease,
              border-color 0.2s ease,
              color 0.15s ease,
              transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
  color: transparent;
}
.block-check:active {
  transform: scale(0.85);
  transition: transform 0.06s ease;
}
.block-check.checked {
  background: var(--ds-success);
  border-color: var(--ds-success);
  color: white;
  animation: checkPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.block-check svg { width: 14px; height: 14px; }

.block-card.expanded { border-radius: var(--ds-radius-lg) var(--ds-radius-lg) 0 0; }

.block-chevron {
  color: var(--ds-text-quaternary);
  display: inline-flex;
  align-items: center;
  margin-left: 2px;
}

/* ===== PAGES ===== */
.page { padding: 0 0 var(--ds-space-5); }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ds-space-4) 0 var(--ds-space-3);
}
.section-header h2 {
  font-size: var(--ds-text-2xl);
  font-weight: var(--ds-weight-bold);
}

/* ===== SUBJECTS ===== */
.subjects-list { display: flex; flex-direction: column; gap: var(--ds-space-5); }

.subject-section-header {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
  padding: var(--ds-space-2) 0 var(--ds-space-2);
}
.subject-section-icon {
  color: var(--ds-accent);
  display: flex;
  align-items: center;
}
.subject-section-icon .ds-icon {
  width: 18px; height: 18px;
}
.subject-section-title {
  font-size: var(--ds-text-xs);
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--ds-tracking-wide);
  flex: 1;
}
.subject-section-count {
  font-size: var(--ds-text-2xs);
  color: var(--ds-text-tertiary);
  background: var(--ds-fill-quaternary);
  padding: 2px 8px;
  border-radius: var(--ds-radius-full);
  font-weight: var(--ds-weight-medium);
}
.subject-section-add {
  width: 26px !important;
  height: 26px !important;
}
.subject-empty {
  font-size: var(--ds-text-sm);
  color: var(--ds-text-quaternary);
  text-align: center;
  padding: var(--ds-space-6);
}

.subject-section {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
}

.subject-sortable-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.subject-card {
  background: var(--ds-bg-card);
  border-radius: var(--ds-radius-md);
  padding: var(--ds-space-3) var(--ds-space-4);
  display: flex;
  align-items: center;
  gap: var(--ds-space-3);
  box-shadow: var(--ds-shadow-sm);
  transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1),
              box-shadow 0.25s ease;
}
.subject-card:active {
  transform: scale3d(0.97, 0.97, 1);
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
  transition: transform 0.08s cubic-bezier(0.32, 0.72, 0, 1);
}

.subject-dot { width: 12px; height: 12px; border-radius: var(--ds-radius-full); flex-shrink: 0; }
.subject-name { flex: 1; font-size: 15px; font-weight: var(--ds-weight-medium); }
.subject-count { font-size: var(--ds-text-sm); color: var(--ds-text-tertiary); }

.subject-delete {
  width: 28px; height: 28px;
  border: none; background: none;
  color: var(--ds-text-quaternary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--ds-radius-full);
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s cubic-bezier(0.32, 0.72, 0, 1);
}
.subject-delete:hover { color: var(--ds-danger); }
.subject-delete:active { transform: scale(0.85); transition: transform 0.06s ease; }

/* Correção de lag na animação de Drag and Drop (SortableJS) */
.sortable-drag {
  transition: none !important;
  opacity: 0.95 !important;
  cursor: grabbing !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18) !important;
  transform: scale(1.04);
  z-index: 999 !important;
}
.sortable-chosen {
  opacity: 0.85;
}
.sortable-ghost {
  opacity: 0.25;
  background: var(--ds-accent-bg);
  border-radius: var(--ds-radius-full);
}
.subject-delete:active { background: rgba(255, 59, 48, 0.1); color: var(--ds-danger); }

/* ===== SETTINGS ===== */
.settings-title {
  font-size: var(--ds-text-2xl);
  font-weight: var(--ds-weight-bold);
  padding: var(--ds-space-4) var(--ds-space-1) var(--ds-space-2);
}

.settings-section {
  margin-bottom: var(--ds-space-5);
}

.settings-section-label {
  font-size: var(--ds-text-xs);
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--ds-tracking-wide);
  padding: 0 var(--ds-space-4) var(--ds-space-2);
}

.settings-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.settings-section-header .settings-section-label {
  padding-bottom: 0;
}

.settings-danger-btn {
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  font-family: var(--ds-font);
  color: var(--ds-danger) !important;
  font-size: var(--ds-text-base);
}
.settings-danger-btn span {
  color: var(--ds-danger);
  flex: 1;
  text-align: left;
}
.settings-danger-btn svg {
  color: var(--ds-danger);
  opacity: 0.6;
}

.settings-footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ds-space-2);
  padding: var(--ds-space-4) 0 0;
}

.settings-footer-links a {
  font-size: var(--ds-text-xs);
  color: var(--ds-text-tertiary);
  text-decoration: none;
  transition: color var(--ds-duration-fast) var(--ds-ease-default);
}

.settings-footer-links a:hover {
  color: var(--ds-accent);
}

.settings-footer-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ds-text-quaternary);
}

.settings-footer {
  text-align: center;
  font-size: var(--ds-text-xs);
  color: var(--ds-text-quaternary);
  padding: var(--ds-space-2) 0 var(--ds-space-8);
}

/* ===== MODAL ENHANCEMENTS ===== */
.ds-btn-save {
  font-weight: var(--ds-weight-bold) !important;
}

.ds-sheet-handle + .ds-sheet-header {
  border-top: none;
}

/* ===== FORM LAYOUT ===== */
.form-group { margin-bottom: var(--ds-space-4); }
.form-group label { display: block; margin-bottom: var(--ds-space-2); }
.form-row { display: flex; gap: var(--ds-space-3); }
.form-group.half { flex: 1; }

.color-picker { display: flex; gap: var(--ds-space-2); flex-wrap: wrap; }
.color-dot {
  width: 34px; height: 34px;
  border-radius: var(--ds-radius-full);
  border: 3px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s ease,
              transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.color-dot.active { border-color: var(--ds-text-primary); transform: scale(1.15); }
.color-dot:active { transform: scale(0.85); transition: transform 0.06s ease; }

/* ===== ADD CONTENT FORMS ===== */
.ds-segmented-control {
  display: flex;
  background: var(--ds-bg-secondary);
  border-radius: var(--ds-radius-md);
  padding: 4px;
  gap: 4px;
}
.ds-segment-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 4px;
  border: none;
  background: transparent;
  border-radius: var(--ds-radius-sm);
  color: var(--ds-text-secondary);
  font-size: 13px;
  font-weight: var(--ds-weight-medium);
  cursor: pointer;
  transition: all var(--ds-duration-fast);
}
.ds-segment-btn:hover {
  color: var(--ds-text-primary);
}
.ds-segment-btn.active {
  background: var(--ds-bg-primary);
  color: var(--ds-text-primary);
  box-shadow: var(--ds-shadow-sm);
}

.add-content-form {
  display: flex;
  gap: var(--ds-space-2);
  align-items: center;
}
.add-content-form--vertical {
  flex-direction: column;
  align-items: stretch;
}
.add-content-row {
  display: flex;
  gap: var(--ds-space-2);
}

.slots-container {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
  margin-bottom: var(--ds-space-2);
}

.content-list {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
  margin-bottom: var(--ds-space-2);
  max-height: 200px;
  overflow-y: auto;
  padding: 2px;
}

/* ===== BLOCK DETAILS (expanded state) ===== */
.block-details {
  padding: var(--ds-space-3) var(--ds-space-4);
  background: var(--ds-bg-secondary);
  border-radius: 0 0 var(--ds-radius-md) var(--ds-radius-md);
  border-top: 0.5px solid var(--ds-separator);
  margin-top: -4px;
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-3);
}

.block-details-footer {
  display: flex;
  justify-content: flex-end;
  border-top: 0.5px solid var(--ds-separator);
  padding-top: var(--ds-space-2);
  margin-top: 2px;
}

.block-details-list {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
  width: 100%;
}

.block-details-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  width: 100%;
}

.block-details-item label {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
  cursor: pointer;
  flex: 1;
  min-width: 0;
  margin: 0;
}

.block-details-item input[type="checkbox"] {
  accent-color: var(--ds-success);
  cursor: pointer;
}

.block-details-item .item-meta {
  font-size: 11px;
  color: var(--ds-text-tertiary);
  flex-shrink: 0;
  margin-left: var(--ds-space-2);
}

.block-details-item .item-done {
  text-decoration: line-through;
  color: var(--ds-text-tertiary);
}

.block-item-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* ===== DAY CHIPS (slot day selector) ===== */
.slot-days {
  display: flex;
  gap: 4px;
  flex: 1;
}

.day-chip {
  width: 28px;
  height: 28px;
  border-radius: var(--ds-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: var(--ds-weight-bold);
  line-height: 1;
  color: var(--ds-text-tertiary);
  background: var(--ds-bg-primary);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease,
              transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
}

.day-chip input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.day-chip.active {
  background: var(--ds-accent);
  color: var(--ds-text-inverse);
}

.day-chip:active {
  transform: scale(0.85);
  transition: transform 0.06s ease;
}

/* ===== SLOT CARD ===== */
.slot-card {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
  background: var(--ds-bg-card);
  padding: var(--ds-space-3);
  border-radius: var(--ds-radius-md);
  box-shadow: var(--ds-shadow-sm);
}

.slot-card-row {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
}

.slot-card-row .btn-remove-slot {
  flex-shrink: 0;
  color: var(--ds-text-quaternary);
  padding: 0 2px;
}
.slot-card-row .btn-remove-slot:active {
  color: var(--ds-danger);
}

.slot-time-input {
  flex: 1;
  border: none;
  background: var(--ds-fill-quaternary);
  border-radius: var(--ds-radius-xs);
  padding: 8px 10px;
  font-size: 15px;
  font-weight: var(--ds-weight-semibold);
  font-family: var(--ds-font);
  font-variant-numeric: tabular-nums;
  color: var(--ds-text-primary);
  text-align: center;
  outline: none;
  transition: box-shadow var(--ds-duration-fast);
  appearance: none;
}

.slot-time-input:focus {
  box-shadow: 0 0 0 2px var(--ds-accent);
  background: var(--ds-bg-card);
}

.slot-time-input::-webkit-calendar-picker-indicator {
  opacity: 0.3;
  cursor: pointer;
}

.slot-time-sep {
  color: var(--ds-text-quaternary);
  font-size: 14px;
  flex-shrink: 0;
}

/* ===== RESPONSIVE: DESKTOP ===== */
@media (min-width: 640px) {
  #app {
    max-width: 100%;
    padding-left: var(--ds-space-6);
    padding-right: var(--ds-space-6);
  }

  .app-header,
  .week-nav,
  .page {
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 0;
    padding-right: 0;
  }

  .pizza-wrapper { max-width: 360px; }

  .pizza-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--ds-space-8);
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 0;
    padding-right: 0;
  }

  .pizza-wrapper { margin: 0 auto; }
  .block-list { padding-top: var(--ds-space-2); }
}

@media (min-width: 1024px) {
  .pizza-container {
    grid-template-columns: 420px 1fr;
  }
}

/* ===== TEXT SHINE ===== */
.text-shine {
  background: linear-gradient(110deg, var(--ds-text-primary) 40%, var(--ds-text-tertiary) 45%, var(--ds-text-primary) 50%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shine 4s linear infinite;
}

@keyframes shine {
  to { background-position: -200% center; }
}

/* ===== INLINE STYLE REPLACEMENTS ===== */
.log-empty {
  color: var(--ds-text-tertiary);
  justify-content: center;
  font-size: 12px;
}
.log-item {
  flex-direction: column;
  align-items: flex-start;
  padding: var(--ds-space-2) var(--ds-space-4);
  gap: 2px;
}
.log-timestamp {
  font-size: 10px;
  color: var(--ds-text-tertiary);
}
.log-message {
  font-size: 13px;
  color: var(--ds-text-primary);
  line-height: 1.2;
}
.block-syllabus-select {
  width: 100%;
  font-size: 13px;
  padding: 6px;
  background: var(--ds-bg-card);
  color: var(--ds-text-primary);
  border-radius: var(--ds-radius-xs);
}
.syllabus-desc {
  font-size: 12px;
  color: var(--ds-text-secondary);
}
.content-none {
  text-align: center;
  color: var(--ds-text-tertiary);
  font-size: 12px;
  padding: 10px;
}
.content-item-row {
  padding: var(--ds-space-2) var(--ds-space-3);
  border-radius: var(--ds-radius-xs);
  background: var(--ds-bg-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.remove-content-btn {
  color: var(--ds-danger);
  padding: 4px;
}
.content-meta {
  font-size: 11px;
  color: var(--ds-text-secondary);
  margin-left: 6px;
}

/* ===== MOBILE PIZZA RESPONSIVE ===== */
@media (max-width: 450px) {
  .pizza-center-label { font-size: 10px !important; }
  .pizza-progress { width: 60px !important; }
}

/* ===== SLICE ICONS ===== */
.slice-icon {
  opacity: 0.9;
  transform-box: fill-box;
  transform-origin: center;
}
.slice-icon--study {
  animation: sliceFloat 4s ease-in-out infinite alternate;
}
@keyframes sliceFloat {
  0% { opacity: 0.75; transform: translateY(0); }
  100% { opacity: 1; transform: translateY(-1px); }
}
.slice-icon--training {
  animation: slicePulse 2s ease-in-out infinite;
}
@keyframes slicePulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.1); opacity: 1; }
}
.slice-icon--inactive {
  opacity: 0.55;
  animation: sliceFade 3s ease-in-out infinite alternate;
}
@keyframes sliceFade {
  0% { opacity: 0.4; }
  100% { opacity: 0.65; }
}

/* ===== iOS-OPTIMIZED ANIMATIONS ===== */
.pizza-slice,
.block-card,
.subject-card,
.ds-tab,
.week-day,
.color-dot,
.block-check {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.ds-sheet {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.ds-sheet,
.content-list,
#logsList {
  -webkit-overflow-scrolling: touch;
}

.block-card:active,
.subject-card:active {
  transform: scale3d(0.97, 0.97, 1);
  transition: transform 0.08s cubic-bezier(0.32, 0.72, 0, 1);
}

.week-day:active {
  transform: scale3d(0.93, 0.93, 1);
  transition: transform 0.06s cubic-bezier(0.32, 0.72, 0, 1);
}

.ds-tab:active {
  transform: scale3d(0.88, 0.88, 1);
  transition: transform 0.06s cubic-bezier(0.32, 0.72, 0, 1);
}

.block-check.checked {
  animation: checkPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes checkPop {
  0% { transform: scale(0.6); }
  40% { transform: scale(1.2); }
  70% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* PWA install card */
.pwa-install-card {
  display: flex;
  align-items: center;
  gap: var(--ds-space-3);
  padding: var(--ds-space-3) var(--ds-space-4);
  background: var(--ds-bg-card);
  border-radius: var(--ds-radius-md);
  box-shadow: var(--ds-shadow-sm);
}
.pwa-install-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ds-fill-quaternary);
  border-radius: var(--ds-radius-md);
  flex-shrink: 0;
}
.pwa-install-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pwa-install-text strong {
  font-size: 15px;
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-primary);
}
.pwa-install-text span {
  font-size: 12px;
  color: var(--ds-text-tertiary);
}
.pwa-install-action {
  border: none;
  background: var(--ds-accent);
  color: white;
  font-family: var(--ds-font);
  font-size: 14px;
  font-weight: var(--ds-weight-semibold);
  padding: 8px 16px;
  border-radius: var(--ds-radius-full);
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.2s ease;
}
.pwa-install-action:active {
  transform: scale(0.9);
  transition: transform 0.06s ease;
}

/* iOS install steps */
.pwa-ios-steps {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
  margin-top: var(--ds-space-3);
  padding: var(--ds-space-3) var(--ds-space-4);
  background: var(--ds-bg-card);
  border-radius: var(--ds-radius-md);
}
.pwa-ios-step {
  display: flex;
  align-items: center;
  gap: var(--ds-space-3);
  font-size: 14px;
  color: var(--ds-text-secondary);
}
.pwa-ios-step-num {
  width: 22px; height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ds-accent);
  color: white;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== STANDALONE / PWA MODE ===== */
@media (display-mode: standalone) {
  /* Tab bar flush to bottom with safe area */
  .ds-tabbar {
    bottom: 0;
    border-radius: var(--ds-radius-lg) var(--ds-radius-lg) 0 0;
    width: 100%;
    max-width: 100%;
    left: 0;
    transform: none;
  }

  /* Extra bottom padding to clear rounded tabbar */
  #app {
    padding-bottom: calc(90px + var(--ds-safe-bottom));
  }
}

/* ===== MOBILE-SPECIFIC ===== */

/* Prevent iOS zoom on input focus (font-size must be >= 16px) */
@media (max-width: 768px) {
  input, select, textarea {
    font-size: 16px !important;
  }

  /* Larger touch targets for checkboxes and small buttons */
  .block-check {
    width: 32px; height: 32px;
    min-width: 32px;
  }

  /* Better spacing for form elements inside sheets */
  .ds-sheet-body .form-group {
    margin-bottom: var(--ds-space-5);
  }

  /* Make select inputs taller for easier tapping */
  .ds-select {
    min-height: 40px;
    padding: 8px 28px 8px 12px;
  }
}

@media (max-width: 430px) {
  /* Tighter header on small screens */
  .app-header {
    padding-left: var(--ds-space-2);
    padding-right: var(--ds-space-2);
  }

  /* Full-bleed cards on small phones */
  .block-card, .subject-card {
    border-radius: var(--ds-radius-sm);
  }

  /* Larger touch targets */
  .week-day {
    min-width: 40px;
    padding: var(--ds-space-2) 2px;
  }

  .week-day .day-number {
    width: 32px; height: 32px;
  }
}

/* ===== NOTCH PHONES (iPhone X+) ===== */
@supports (padding-top: env(safe-area-inset-top)) {
  .app-header {
    padding-top: calc(env(safe-area-inset-top) + 12px);
  }

  .auth-screen {
    padding-top: calc(env(safe-area-inset-top) + var(--ds-space-6));
    padding-bottom: calc(env(safe-area-inset-bottom) + var(--ds-space-6));
  }
}

/* Tab bar pointer events */
.ds-tabbar {
  pointer-events: auto !important;
  z-index: 400 !important;
}
.ds-tab {
  pointer-events: auto !important;
  cursor: pointer;
}
.ds-tab .ds-icon,
.ds-tab .ds-icon * {
  pointer-events: none;
}

/* ===== PULL-TO-REFRESH ===== */
.ptr-indicator {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-40px) scale(0.5);
  z-index: 10000;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ds-bg-card);
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}

.ptr-ready {
  box-shadow: 0 2px 20px rgba(0,122,255,0.3);
}

.ptr-loading svg {
  animation: ptr-spin 0.5s linear infinite;
}

@keyframes ptr-spin {
  to { transform: rotate(360deg) !important; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .page-enter,
  .app-fade-in,
  .verse-marquee .verse-track,
  .pizza-svg .slice-float,
  .pizza-svg .slice-pulse,
  .pizza-svg .slice-fade,
  .pizza-add-btn,
  .pizza-slice,
  .block-card,
  .subject-card,
  .color-dot,
  .pizza-progress-fill,
  .btn-press-scale,
  .ptr-indicator .ptr-spinner {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

  /* Tab bar icons */
  .ds-icon--spin,
  .ds-icon--spin-slow,
  .ds-icon--rock,
  .ds-icon-ray {
    animation: none !important;
  }

  /* Pull-to-refresh spinner */
  .ptr-spinner {
    animation: none !important;
  }

  /* Shine text effect */
  .text-shine {
    animation: none !important;
  }

  /* Check bounce */
  .check-bounce {
    animation: none !important;
  }

  /* Marquee still needs to show content — just show first frame */
  .verse-track {
    animation: none !important;
  }
}

/* ===== HEATMAP (Monthly Carousel) ===== */
.heatmap-container {
  display: flex;
  flex-direction: column;
  background: var(--ds-bg-card);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-2) var(--ds-space-3);
  box-shadow: var(--ds-shadow-sm);
}
.heatmap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ds-space-1);
}
.heatmap-stats-label {
  font-weight: var(--ds-weight-semibold);
  font-size: 11px;
  color: var(--ds-text-tertiary);
  text-transform: none;
  letter-spacing: 0;
}
.heatmap-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px 0;
  scroll-snap-type: x proximity;
}
.heatmap-scroll::-webkit-scrollbar { display: none; }
.heatmap-slide {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
  scroll-snap-align: start;
}
.heatmap-month-label {
  font-size: 11px;
  font-weight: var(--ds-weight-bold);
  color: var(--ds-text-primary);
  text-align: center;
  text-transform: capitalize;
  white-space: nowrap;
}
.heatmap-month-stats {
  font-size: 9px;
  color: var(--ds-text-tertiary);
  text-align: center;
  margin-bottom: 1px;
  white-space: nowrap;
}
.heatmap-month-grid {
  display: grid;
  grid-template-columns: repeat(7, 12px);
  gap: 2px;
  padding: 1px 0;
}
.heatmap-weekday-labels {
  display: grid;
  grid-template-columns: repeat(7, 12px);
  gap: 2px;
}
.heatmap-weekday-label {
  font-size: 7px;
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-quaternary);
  text-align: center;
  text-transform: uppercase;
}
.heatmap-cell {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background-color: var(--ds-fill-quaternary);
  position: relative;
  cursor: default;
}
.heatmap-cell--empty {
  background: transparent;
}
.heatmap-cell--today {
  outline: 2px solid var(--ds-accent);
  outline-offset: 0px;
}
.heatmap-cell[data-level="1"] { background-color: color-mix(in srgb, var(--ds-accent) 25%, transparent); }
.heatmap-cell[data-level="2"] { background-color: color-mix(in srgb, var(--ds-accent) 50%, transparent); }
.heatmap-cell[data-level="3"] { background-color: color-mix(in srgb, var(--ds-accent) 75%, transparent); }
.heatmap-cell[data-level="4"] { background-color: var(--ds-accent); }
.heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
  font-size: 9px;
  color: var(--ds-text-tertiary);
  margin-top: 4px;
}
.heatmap-legend .heatmap-cell {
  width: 10px;
  height: 10px;
}

/* ===== PRIORITIES CIRCLE ===== */
.priorities-section {
  display: flex;
  flex-direction: column;
}

.priorities-container {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-4);
  background: var(--ds-bg-secondary);
  padding: var(--ds-space-4);
  border-radius: var(--ds-radius-lg);
  border: 1px solid var(--ds-separator);
}

.priority-zone {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
  background: var(--ds-bg-card);
  border-radius: var(--ds-radius-md);
  padding: var(--ds-space-3);
  border: 2px dashed var(--ds-separator);
  transition: border-color var(--ds-duration-fast);
  min-height: 80px;
}

.priority-zone.drag-over {
  border-color: var(--ds-accent);
  background: color-mix(in srgb, var(--ds-accent) 5%, var(--ds-bg-card));
}

.priority-zone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--ds-space-2);
}

.priority-zone-header h4 {
  margin: 0;
  font-size: 13px;
  font-weight: var(--ds-weight-bold);
  color: var(--ds-text-primary);
}

.priority-count {
  font-size: 11px;
  font-weight: var(--ds-weight-semibold);
  color: var(--ds-text-tertiary);
  background: var(--ds-fill-secondary);
  padding: 2px 6px;
  border-radius: var(--ds-radius-full);
}

.priority-zone--1 { border-color: var(--ds-danger); }
.priority-zone--1 .priority-count { background: color-mix(in srgb, var(--ds-danger) 15%, transparent); color: var(--ds-danger); }
.priority-zone--2 { border-color: var(--ds-warning); }
.priority-zone--2 .priority-count { background: color-mix(in srgb, var(--ds-warning) 15%, transparent); color: var(--ds-warning); }
.priority-zone--3 { border-color: var(--ds-success); }
.priority-zone--3 .priority-count { background: color-mix(in srgb, var(--ds-success) 15%, transparent); color: var(--ds-success); }
.priority-zone--unallocated { border-color: var(--ds-separator); border-style: dashed; background: transparent; }

.priority-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 40px;
  flex-grow: 1;
  width: 100%;
  overflow: visible;
  overflow-anchor: none;
}

/* SortableJS drag & ghost states */
.sortable-drag {
  pointer-events: none !important;
}
.sortable-ghost {
  opacity: 0.3 !important;
  background: var(--ds-fill-secondary) !important;
  border-style: dashed !important;
}

.priority-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--ds-bg-primary);
  border-radius: var(--ds-radius-full);
  font-size: 12px;
  font-weight: var(--ds-weight-medium);
  color: var(--ds-text-primary);
  box-shadow: var(--ds-shadow-sm);
  cursor: grab;
  user-select: none;
  border: 1px solid var(--ds-separator);
  transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1),
              box-shadow 0.25s ease;
}

.priority-item:active {
  cursor: grabbing;
}

.priority-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}