/**
 * Phone App Mockup Stylesheet
 * Scoped Prefix: pm-
 * Design System: Inherits CSS Custom Properties from custom-demo.css
 * Hardware Geometry: iPhone 15/16 Pro (393x852 pt screen inside 417x876 px titanium frame)
 */

/* ============================================================================
   1. GLOBAL RESET & BASE SETTINGS FOR STANDALONE MOCKUP
   ============================================================================ */
*,
*::before,
*::after,
.pm-page,
.pm-page *,
.pm-page *::before,
.pm-page *::after {
  box-sizing: border-box;
}

.pm-page {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 50% 0%, var(--brand-primary-light), transparent 70%), var(--surface-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Noto Sans Khmer", sans-serif;
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   2. TOP NAVIGATION: "← HOME" RETURN PILL
   ============================================================================ */
.pm-home-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px 7px 10px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  box-shadow: var(--shadow-xs);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  line-height: 1.2;
  transition: all 0.15s ease;
  user-select: none;
}

.pm-home-btn i {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.15s ease, transform 0.15s ease;
}

.pm-home-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-main);
  background: var(--surface-card);
  box-shadow: var(--shadow-sm);
}

.pm-home-btn:hover i {
  color: var(--text-main);
  transform: translateX(-2px);
}

.pm-home-btn:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
  border-color: var(--brand-primary);
  color: var(--text-main);
}

/* ============================================================================
   3. STAGE & DEVICE WRAPPER (DYNAMIC SCALING HOST)
   ============================================================================ */
.pm-stage {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  overflow: hidden;
}

@media (max-width: 640px) {
  .pm-stage {
    padding: 64px 16px 16px;
  }
}

.pm-device-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex: none;
  /* width and height are dynamically updated by fitDevice() in JS */
}

/* ============================================================================
   4. IPHONE HARDWARE FRAME
   ============================================================================ */
/* Titanium outer chassis (417x876 px) */
.pm-device {
  position: relative;
  flex: none;
  width: 417px;
  height: 876px;
  border-radius: 68px;
  padding: 4px;
  transform-origin: top center;
  background: linear-gradient(145deg, #5b5e63 0%, #2c2e32 38%, #6a6d72 55%, #2a2c30 100%);
  box-shadow:
    0 0 0 1px #1d1f22,
    inset 0 0 2px 1px rgba(255, 255, 255, 0.18),
    0 50px 100px -30px rgba(16, 24, 40, 0.45),
    0 30px 60px -30px rgba(16, 24, 40, 0.30);
  user-select: none;
}

/* Inner black display bezel */
.pm-bezel {
  width: 100%;
  height: 100%;
  border-radius: 64px;
  background: #0b0b0d;
  padding: 8px;
}

/* Active OLED screen viewport (393x852 pt) */
.pm-screen {
  position: relative;
  width: 393px;
  height: 852px;
  border-radius: 56px;
  overflow: hidden;
  background: var(--surface-bg);
  color: var(--text-main);
  isolation: isolate;
}

/* Physical side buttons protruding outside chassis */
.pm-hw {
  position: absolute;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, #3a3c40, #6a6d72, #3a3c40);
  z-index: 0;
  pointer-events: none;
}

.pm-hw-action {
  left: -3px;
  top: 150px;
  height: 32px;
}

.pm-hw-vol-up {
  left: -3px;
  top: 205px;
  height: 62px;
}

.pm-hw-vol-down {
  left: -3px;
  top: 280px;
  height: 62px;
}

.pm-hw-power {
  right: -3px;
  top: 235px;
  height: 100px;
}

/* Dynamic Island (126x37 px) */
.pm-island {
  position: absolute;
  top: 11px;
  left: 50%;
  transform: translateX(-50%);
  width: 126px;
  height: 37px;
  border-radius: 20px;
  background: #000000;
  z-index: 60;
  pointer-events: none;
}

/* iOS Status Bar (height: 54px) */
.pm-statusbar {
  position: absolute;
  inset: 0 0 auto 0;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 30px 0 52px;
  z-index: 55;
  color: var(--text-main);
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

.pm-sb-time {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}

.pm-sb-icons {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-main);
}

.pm-sb-icons svg {
  display: block;
}

/* Home Indicator Pill */
.pm-home-indicator {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 134px;
  height: 5px;
  border-radius: 3px;
  background: var(--text-main);
  z-index: 60;
  pointer-events: none;
  opacity: 0.85;
}

/* App Root inside Screen */
.pm-app {
  position: absolute;
  inset: 0;
  padding-top: 54px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ============================================================================
   5. IN-APP COMPONENT FOUNDATION (FOR DOWNSTREAM MILESTONES)
   ============================================================================ */
/* Scrollable Body Container */
.pm-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 8px 20px 110px;
  animation: pmFadeIn 0.22s ease;
}

.pm-body::-webkit-scrollbar {
  display: none;
}

/* Headers & Titles */
.pm-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin: 6px 0 18px;
}

.pm-eyebrow {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.pm-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0;
}

.pm-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 22px 4px 8px;
}

/* Profile / Child Avatars */
.pm-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  display: grid;
  place-items: center;
  border: 0;
  cursor: pointer;
  flex-shrink: 0;
}

/* Cards & Elevated Containers */
.pm-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 12px;
}

.pm-card-hero {
  background: var(--brand-primary);
  color: #ffffff;
  border: 0;
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
}

.pm-card-hero .text-muted,
.pm-card-hero .pm-eyebrow {
  color: rgba(255, 255, 255, 0.75);
}

/* Grouped List Rows */
.pm-list {
  padding: 0 !important;
  overflow: hidden;
}

.pm-row {
  padding: 13px 16px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.pm-row:not(:last-child) {
  border-bottom: 1px solid #f2f4f7;
}

.pm-row-between {
  justify-content: space-between;
}

/* Soft Status Pills */
.pm-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
}

.pm-pill.success {
  background: #ecfdf3;
  color: #027a48;
}

.pm-pill.warning {
  background: #fffaeb;
  color: #b54708;
}

.pm-pill.danger {
  background: #fef3f2;
  color: #b42318;
}

.pm-pill.info {
  background: #f0f9ff;
  color: #026aa2;
}

.pm-pill.neutral {
  background: #f2f4f7;
  color: #344054;
}

.pm-pill.brand {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
}

/* Segmented Control */
.pm-seg {
  background: #eef1f5;
  padding: 3px;
  border-radius: 10px;
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}

.pm-seg-btn {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 7px 0;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.pm-seg-btn.active {
  background: #ffffff;
  color: var(--text-main);
  font-weight: 600;
  box-shadow: var(--shadow-xs);
}

/* Filter Chips (Horizontal Scroll) */
.pm-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
  margin-bottom: 14px;
}

.pm-chips::-webkit-scrollbar {
  display: none;
}

.pm-chip {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.pm-chip.active {
  background: var(--brand-primary-light);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  font-weight: 600;
}

.pm-chip:hover:not(:disabled):not(.disabled):not(.active) {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
  color: var(--text-main);
}

.pm-chip:disabled,
.pm-chip.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Buttons */
.pm-btn-primary {
  width: 100%;
  height: 50px;
  border: 0;
  border-radius: 12px;
  background: var(--brand-primary);
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.pm-btn-primary:active {
  background: var(--brand-primary-hover);
  transform: scale(0.99);
}

.pm-btn-ghost {
  width: 100%;
  height: 50px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: #ffffff;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pm-btn-ghost:hover {
  background: var(--surface-subtle);
}

/* Inputs */
.pm-input-wrap {
  position: relative;
  margin-bottom: 14px;
}

.pm-input-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.pm-input {
  width: 100%;
  height: 50px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 0 14px;
  font-size: 16px;
  background: #ffffff;
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.pm-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-light);
}

.pm-input.error {
  border-color: #d92d20 !important;
  transition: none !important;
}
.pm-input.error:focus {
  border-color: #d92d20 !important;
  box-shadow: 0 0 0 3px rgba(217, 45, 32, 0.15);
}

.pm-input-error-text {
  font-size: 12px;
  color: #d92d20;
  margin-top: 4px;
}

.pm-pw-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: color 0.15s ease;
}

.pm-pw-toggle:hover {
  color: var(--text-main);
}

.pm-forgot-btn {
  background: none;
  border: 0;
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s ease;
}

.pm-forgot-btn:hover {
  color: var(--brand-primary-hover);
  text-decoration: underline;
}

/* Tab Bar Navigation (Pinned Bottom) */
.pm-tabbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 84px;
  padding: 6px 6px 30px;
  display: flex;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--border-subtle);
  z-index: 40;
}

.pm-tab {
  flex: 1;
  border: 0;
  background: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: #98a2b3;
  font-size: 10px;
  font-weight: 500;
  position: relative;
  cursor: pointer;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.pm-tab i {
  font-size: 22px;
  line-height: 1;
}

.pm-tab.active {
  color: var(--brand-primary);
}

.pm-tab-badge {
  position: absolute;
  top: 0px;
  left: calc(50% + 6px);
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  border-radius: 9px;
  background: #f04438;
  color: #ffffff;
  font-size: 10px;
  font-weight: 600;
  line-height: 17px;
  text-align: center;
}

.pm-tab-dot {
  position: absolute;
  top: 2px;
  left: calc(50% + 8px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f04438;
}

/* Bottom Sheet Modal */
.pm-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 40, 0.35);
  z-index: 70;
  animation: pmFade 0.2s ease;
}

.pm-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 71;
  background: #ffffff;
  border-radius: 24px 24px 0 0;
  padding: 10px 20px 40px;
  max-height: 80%;
  overflow-y: auto;
  box-shadow: 0 -10px 30px rgba(16, 24, 40, 0.15);
  animation: pmSheetUp 0.32s cubic-bezier(0.32, 0.72, 0, 1);
}

.pm-sheet::before {
  content: "";
  display: block;
  width: 36px;
  height: 5px;
  border-radius: 3px;
  background: #d0d5dd;
  margin: 0 auto 16px;
}

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

.pm-sheet-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: var(--text-main);
  letter-spacing: -0.015em;
}

.pm-sheet-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.pm-sheet-close {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #f2f4f7;
  border: 0;
  color: var(--text-secondary);
  font-size: 14px;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease, color 0.15s ease;
}

.pm-sheet-close:hover {
  background: #e4e7ec;
  color: var(--text-main);
}

/* Simulated iOS Push Notification Banner */
.pm-push {
  position: absolute;
  top: 58px;
  left: 10px;
  right: 10px;
  z-index: 65;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 10px 14px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  animation: pmPushIn 0.45s cubic-bezier(0.32, 0.72, 0, 1);
}

.pm-push-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--brand-primary);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}

/* In-App Toast Notification */
.pm-toast {
  position: absolute;
  left: 50%;
  bottom: 100px;
  transform: translateX(-50%);
  z-index: 80;
  background: rgba(16, 24, 40, 0.92);
  color: #ffffff;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  animation: pmFade 0.2s ease;
  pointer-events: none;
}

/* Pure CSS Pseudo-QR Code Grid */
.pm-qr {
  display: grid;
  grid-template-columns: repeat(var(--n), 1fr);
  width: 180px;
  aspect-ratio: 1;
  padding: 10px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  margin: 0 auto;
}

.pm-qr i {
  display: block;
  background: #ffffff;
}

.pm-qr i.on {
  background: #101828;
}

/* Progress & Circular Ring Charts */
.pm-progress {
  height: 6px;
  background: #f2f4f7;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}

.pm-progress-bar {
  height: 100%;
  background: var(--brand-primary);
  border-radius: 3px;
}

.pm-ring {
  background: conic-gradient(var(--brand-primary) calc(var(--p) * 1%), #eef1f5 0);
  border-radius: 50%;
  width: 84px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  position: relative;
}

.pm-ring::before {
  content: "";
  position: absolute;
  inset: 8px;
  background: #ffffff;
  border-radius: 50%;
}

.pm-ring-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

/* 7-Column Attendance Calendar Grid */
.pm-cal,
.pm-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  text-align: center;
}

.pm-cal-cell,
.pm-calendar-cell {
  aspect-ratio: 1;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  position: relative;
}

.pm-cal-cell.today,
.pm-calendar-cell.today {
  outline: 1.5px solid var(--brand-primary);
}

.pm-cal-dot,
.pm-calendar-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  margin-top: 2px;
}

/* Spinner */
.pm-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: pmSpin 0.7s linear infinite;
  display: inline-block;
}

/* ============================================================================
   7. STUDENT PORTAL: HOME & SCHEDULE COMPONENTS (M3)
   ============================================================================ */

/* Stat Overview Cards (2-column clickable cards) */
.pm-stat-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pm-stat-card:hover {
  border-color: var(--brand-primary);
  background: var(--surface-subtle);
  transform: translateY(-1px);
}

.pm-stat-card:active {
  transform: scale(0.98);
}

/* Day Strip Selector (6-day Mon-Sat horizontal grid) */
.pm-day-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.pm-day-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 2px 7px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  user-select: none;
}

.pm-day-btn:hover:not(.active) {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
}

.pm-day-btn.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
  box-shadow: var(--shadow-xs);
}

.pm-day-btn .pm-day-name {
  font-size: 11px;
  font-weight: 500;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
}

.pm-day-btn.active .pm-day-name {
  opacity: 0.9;
  font-weight: 600;
}

.pm-day-btn .pm-day-num {
  font-size: 15px;
  font-weight: 700;
  margin-top: 3px;
  line-height: 1.1;
}

.pm-day-btn .pm-day-dot {
  position: absolute;
  bottom: 3px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--brand-primary);
}

/* Schedule Period Row */
.pm-period-row {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  transition: background 0.15s ease;
}

.pm-period-row:not(:last-child) {
  border-bottom: 1px solid #f2f4f7;
}

.pm-period-row.now {
  background: var(--brand-primary-light);
}

.pm-period-time {
  width: 52px;
  flex-shrink: 0;
}

.pm-period-time .start {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.15;
}

.pm-period-time .end {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.15;
  margin-top: 2px;
}

.pm-period-row.past .pm-period-time .start,
.pm-period-row.past .pm-period-title {
  color: var(--text-muted);
}

.pm-period-bar {
  width: 3px;
  height: 32px;
  border-radius: 2px;
  margin: 0 12px 0 8px;
  flex-shrink: 0;
  background: var(--border-subtle);
}

.pm-period-bar.now {
  background: var(--brand-primary);
}

.pm-period-bar.next {
  background: #027a48;
}

.pm-period-bar.past {
  background: #d0d5dd;
}

.pm-period-content {
  flex: 1;
  min-width: 0;
}

.pm-period-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-period-meta {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Schedule Break Row */
.pm-break-row {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: #fcfcfd;
  border-top: 1px dashed var(--border-subtle);
  border-bottom: 1px dashed var(--border-subtle);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
}

.pm-break-row.now {
  background: var(--brand-primary-light);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  font-weight: 600;
}

/* ============================================================================
   8. REPORT TAB: LETTER GRADE PILLS & SCORE PROGRESS BARS
   ============================================================================ */
.pm-letter-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  min-width: 28px;
  text-align: center;
  line-height: 1.2;
}

/* Authoritative letter colors: A+ (#12b76a), A (#027a48), B+ (#0077b6) */
.pm-letter-pill.grade-aplus {
  background: #ecfdf3;
  color: #12b76a;
  border: 1px solid rgba(18, 183, 106, 0.3);
}

.pm-letter-pill.grade-a {
  background: #ecfdf3;
  color: #027a48;
  border: 1px solid rgba(2, 122, 72, 0.3);
}

.pm-letter-pill.grade-bplus {
  background: #f0f9ff;
  color: #0077b6;
  border: 1px solid rgba(0, 119, 182, 0.3);
}

.pm-letter-pill.grade-b {
  background: #f0f9ff;
  color: #026aa2;
  border: 1px solid rgba(2, 106, 162, 0.3);
}

.pm-letter-pill.grade-c {
  background: #fffaeb;
  color: #b54708;
  border: 1px solid rgba(181, 71, 8, 0.3);
}

.pm-letter-pill.grade-d {
  background: #fef3f2;
  color: #b42318;
  border: 1px solid rgba(180, 35, 24, 0.3);
}

/* Percentage progress bars */
.pm-score-bar-track {
  width: 100%;
  height: 6px;
  background: #eaecf0;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.pm-score-bar {
  height: 100%;
  border-radius: 3px;
  background: var(--brand-primary);
  transition: width 0.35s ease;
}

.pm-score-bar.bar-aplus {
  background: #12b76a;
}

.pm-score-bar.bar-a {
  background: #027a48;
}

.pm-score-bar.bar-bplus {
  background: #0077b6;
}

.pm-score-bar.bar-b {
  background: #026aa2;
}

.pm-score-bar.bar-c {
  background: #b54708;
}

.pm-score-bar.bar-d {
  background: #b42318;
}

.pm-subject-card {
  padding: 13px 15px;
  margin-bottom: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pm-subject-card:hover {
  box-shadow: var(--shadow-sm);
}

/* Campus ID QR Badge & SVG */
.pm-qr-badge {
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  text-align: center;
}

.pm-qr-svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 180px;
  max-height: 180px;
  margin: 0 auto;
}

/* ============================================================================
   6. KEYFRAME ANIMATIONS & ACCESSIBILITY
   ============================================================================ */
@keyframes pmFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pmFade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pmSheetUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes pmPushIn {
  from {
    transform: translateY(-120%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes pmSpin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pmPop {
  0% {
    transform: scale(0.6);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ============================================================================
   10. MILESTONE 4: PARENT PORTAL COMPONENTS & FLOWS
   ============================================================================ */

/* Header Parent Layout & Child Switcher Pill */
.pm-header-parent {
  align-items: flex-start;
}

.pm-header-switcher-wrap {
  margin-top: 6px;
}

.pm-child-switcher {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px 4px 5px;
  border-radius: 999px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xs);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.pm-child-switcher:hover {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
}

.pm-child-switcher:active {
  transform: scale(0.98);
}

.pm-child-switcher-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  display: grid;
  place-items: center;
  line-height: 1;
}

.pm-child-switcher-name {
  max-width: 170px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-child-switcher i {
  font-size: 11px;
  color: var(--text-muted);
}

/* Child Selector Modal Sheet */
.pm-child-select-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.pm-child-select-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-subtle);
  background: #ffffff;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.pm-child-select-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
}

.pm-child-select-card.active {
  border-color: var(--brand-primary);
  background: var(--brand-primary-light);
}

.pm-child-select-info {
  flex: 1;
  min-width: 0;
}

.pm-child-select-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.pm-child-select-meta {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-child-check {
  color: var(--brand-primary);
  font-size: 20px;
}

.pm-child-uncheck {
  color: #d0d5dd;
  font-size: 20px;
}

/* Children Status Cards (Parent Home) */
.pm-children-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.pm-child-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow-xs);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pm-child-card.child-1 {
  border-left: 4px solid var(--brand-primary);
}

.pm-child-card.child-11 {
  border-left: 4px solid #7a5af8;
}

.pm-child-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.pm-child-card-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pm-avatar-sm {
  width: 34px;
  height: 34px;
  font-size: 12px;
}

.pm-child-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.pm-child-card-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.pm-child-card-metrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.pm-child-metric {
  flex: 1;
  text-align: center;
}

.pm-child-metric-val {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.pm-child-metric-lbl {
  font-size: 10.5px;
  color: var(--text-muted);
  margin-top: 3px;
  font-weight: 500;
}

.pm-child-metric-divider {
  width: 1px;
  height: 24px;
  background: #e2e8f0;
}

.pm-child-card-actions {
  display: flex;
  gap: 8px;
}

.pm-quick-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pm-quick-btn:hover {
  background: var(--surface-subtle);
  border-color: var(--border-strong);
  color: var(--text-main);
}

/* Next Payment Due Card (Parent Home) */
.pm-payment-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  padding: 16px;
  margin-bottom: 18px;
}

.pm-payment-overdue-alert {
  background: #fef3f2;
  border: 1px solid #fee4e2;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pm-payment-overdue-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pm-payment-overdue-left i {
  color: #d92d20;
  font-size: 16px;
  flex-shrink: 0;
}

.pm-payment-overdue-title {
  font-size: 12.5px;
  font-weight: 700;
  color: #b42318;
}

.pm-payment-overdue-sub {
  font-size: 11px;
  color: #7a271a;
  margin-top: 1px;
}

.pm-payment-body {
  margin-bottom: 14px;
}

.pm-payment-eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.pm-payment-amount-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0 2px;
}

.pm-payment-amount {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.pm-payment-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.pm-payment-footer {
  padding-top: 12px;
  border-top: 1px solid #f2f4f7;
}

.pm-payment-total-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.pm-payment-total-note strong {
  color: var(--text-main);
}

/* Latest Gate Alerts Widget */
.pm-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 20px 4px 8px;
}

.pm-link-btn {
  background: none;
  border: 0;
  color: var(--brand-primary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: opacity 0.15s ease;
}

.pm-link-btn:hover {
  opacity: 0.8;
}

.pm-gate-widget {
  margin-bottom: 16px;
}

.pm-gate-feed-row {
  cursor: pointer;
  transition: background 0.15s ease;
}

.pm-gate-feed-row:hover {
  background: #f8fafc;
}

.pm-gate-feed-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 16px;
  flex-shrink: 0;
  margin-right: 10px;
}

.pm-gate-feed-icon.in {
  background: #ecfdf3;
  color: #027a48;
}

.pm-gate-feed-icon.out {
  background: #fffaeb;
  color: #b54708;
}

.pm-gate-feed-info {
  flex: 1;
  min-width: 0;
}

.pm-gate-feed-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-main);
}

.pm-gate-feed-name {
  color: var(--text-main);
}

.pm-pill-xs {
  font-size: 10px;
  padding: 1px 6px;
  font-weight: 600;
}

.pm-gate-feed-meta {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-gate-feed-time {
  text-align: right;
  flex-shrink: 0;
}

.pm-gate-feed-clock {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.pm-gate-feed-day {
  font-size: 11px;
  color: var(--text-muted);
}

/* Push Banner Elements & Dismiss Animation */
.pm-push.dismissing {
  animation: pmPushOut 0.35s cubic-bezier(0.32, 0.72, 0, 1) forwards !important;
  pointer-events: none;
}

.pm-push-grabber {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: #d0d5dd;
  margin: 0 auto 8px auto;
}

.pm-push-content {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
}

.pm-push-body {
  flex: 1;
  min-width: 0;
}

.pm-push-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.pm-push-app {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.pm-push-time {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

.pm-push-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 2px;
}

.pm-push-sub {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 2px;
}

.pm-push-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.pm-push-close {
  background: none;
  border: 0;
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  margin-left: 2px;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.pm-push-close:hover,
.pm-push-close:active {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text-main);
}

@keyframes pmPushOut {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(-130%);
    opacity: 0;
  }
}

/* iOS Style Toggle Switch */
.pm-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
}

.pm-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.pm-switch-slider,
.pm-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #e4e7ec;
  transition: 0.22s cubic-bezier(0.32, 0.72, 0, 1);
  border-radius: 999px;
}

.pm-switch-slider::before,
.pm-slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: #ffffff;
  transition: 0.22s cubic-bezier(0.32, 0.72, 0, 1);
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(16, 24, 40, 0.2);
}

.pm-switch input:checked + .pm-switch-slider,
.pm-switch input:checked + .pm-slider {
  background-color: #12b76a;
}

.pm-switch input:checked + .pm-switch-slider::before,
.pm-switch input:checked + .pm-slider::before {
  transform: translateX(18px);
}

/* Alerts Feed Elements */
.pm-alert-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-right: 2px;
}

.pm-alert-icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-size: 13px;
  flex-shrink: 0;
  margin-right: 10px;
}

.pm-alert-icon.entry {
  background: #ecfdf3;
  color: #027a48;
}

.pm-alert-icon.exit {
  background: #fef3f2;
  color: #d92d20;
}

.pm-alert-note {
  display: inline-block;
  background: #f2f4f7;
  color: var(--text-secondary);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  margin-left: 4px;
}

.pm-alert-row.unread,
.pm-row.unread {
  background: var(--brand-primary-light);
  border-left: 3px solid var(--brand-primary);
}

/* Child Context Indicator Bar */
.pm-child-context-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: -4px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.pm-child-context-bar:hover {
  border-color: var(--border-strong);
}

.pm-child-context-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.pm-child-avatar-mini {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.pm-child-context-details {
  font-size: 13.5px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-child-context-viewing {
  color: var(--text-muted);
  font-size: 12px;
  margin-right: 4px;
}

.pm-child-context-name {
  font-weight: 700;
  color: var(--text-main);
}

.pm-child-context-class {
  color: var(--text-secondary);
  font-weight: 500;
}

.pm-btn-change-child {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.pm-btn-change-child:hover,
.pm-btn-change-child:active {
  background: #f2f4f7;
  border-color: var(--border-subtle);
}

/* Focus Visibility Ring */
.pm-app :focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* Prefers-Reduced-Motion Media Query */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .pm-app *,
  .pm-app *::before,
  .pm-app *::after {
    animation: none !important;
    transition: none !important;
  }
}