/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --orange: #FF8308;
  --navy: #101A31;
  --warm: #F8FAF9;
  --white: #FFFFFF;
  --charcoal: #2D3748;
  --gray: #A0AEC0;
  --muted: #EDF2F7;
  --shadow: 0 4px 20px rgba(16, 26, 49, 0.08);
  --shadow-lg: 0 8px 32px rgba(16, 26, 49, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--warm);
  color: var(--navy);
  min-height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--gray);
  border-radius: 4px;
}

/* ===== SPLASH ===== */
#splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--warm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#splash.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.splash-content {
  text-align: center;
}
.app-logo {
  width: 96px;
  height: 96px;
  margin-bottom: 16px;
  animation: pulseLogo 1.5s ease-in-out infinite;
}
@keyframes pulseLogo {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.brand-name {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.5px;
}
.splash-loader {
  margin-top: 24px;
  width: 32px;
  height: 32px;
  border: 3px solid var(--muted);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.splash-dev {
  font-size: 10px;
  color: var(--gray);
  margin-top: 20px;
  letter-spacing: 0.5px;
}
.splash-brand {
  font-size: 14px;
  color: var(--charcoal);
  font-weight: 500;
  margin-top: 2px;
}

/* ===== APP ===== */
#app {
  display: none;
  height: 100vh;
  flex-direction: column;
  background: var(--warm);
}
#app.active {
  display: flex;
}

/* ===== TOP BAR ===== */
.top-bar {
  background: var(--white);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--muted);
  flex-shrink: 0;
  min-height: 56px;
  z-index: 10;
  box-shadow: 0 1px 4px rgba(0,0,0,0.02);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
}
.mini-logo {
  height: 28px;
  width: 28px;
  object-fit: contain;
}
.brand .orange {
  color: var(--orange);
}
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.top-time {
  font-size: 13px;
  color: var(--gray);
  font-weight: 500;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  overflow: hidden;
}
.avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 12px rgba(255, 131, 8, 0.3);
}
.avatar:active {
  transform: scale(0.95);
}
.avatar .avatar-emoji {
  font-size: 18px;
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== SCREEN CONTAINER ===== */
.screen-container {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px 80px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* ===== SCREENS ===== */
.screen-view {
  display: none;
  animation: fadeSlide 0.3s ease;
}
.screen-view.active {
  display: block;
}
@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn-primary {
  background: var(--orange);
  color: var(--navy);
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.2px;
}
.btn-primary:active {
  transform: scale(0.97);
  opacity: 0.9;
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--muted);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  font-family: 'Inter', sans-serif;
}
.btn-outline:active {
  background: var(--muted);
  transform: scale(0.98);
}

.btn-secondary {
  background: var(--muted);
  color: var(--navy);
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-secondary:active {
  transform: scale(0.96);
}

.danger-btn {
  border-color: #FC8181;
  color: #9B2C2C;
}
.danger-btn:active {
  background: #FED7D7;
}

/* ===== INPUTS ===== */
.input-group {
  margin-bottom: 14px;
}
.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 4px;
}
.input-group input,
.input-group select,
.input-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--muted);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  background: var(--white);
  color: var(--navy);
  -webkit-appearance: none;
  appearance: none;
}
.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 131, 8, 0.1);
}
.input-group input.error,
.input-group select.error {
  border-color: #FC8181;
}
.input-group textarea {
  min-height: 56px;
  resize: vertical;
}
.input-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A0AEC0' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
select[multiple] {
  min-height: 100px;
  padding: 8px;
  background-image: none;
}
select[multiple] option {
  padding: 6px 10px;
  border-radius: 4px;
}
select[multiple] option:checked {
  background: var(--orange);
  color: var(--navy);
}

/* ===== PASSWORD WRAP ===== */
.password-wrap {
  position: relative;
}
.password-wrap input {
  padding-right: 44px;
}
.toggle-pw {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  opacity: 0.6;
  transition: var(--transition);
  padding: 4px;
}
.toggle-pw:hover {
  opacity: 1;
}

/* ===== ERROR MESSAGES ===== */
.error-msg {
  color: #9B2C2C;
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
}

/* ===== LOGIN ===== */
.login-card {
  text-align: center;
  padding: 32px 20px;
}
.login-title {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 4px;
}
.login-sub {
  color: var(--gray);
  margin-bottom: 20px;
}
.divider {
  color: var(--gray);
  font-size: 13px;
  margin: 16px 0;
}
.register-link {
  margin-top: 16px;
  font-size: 14px;
}
.register-link a {
  color: var(--orange);
  font-weight: 600;
  text-decoration: none;
}
.register-link a:active {
  opacity: 0.7;
}
.forgot-password {
  text-align: right;
  margin: 4px 0 12px;
}
.forgot-password a {
  color: var(--orange);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.forgot-password a:active {
  opacity: 0.7;
}

/* ===== PIN LOGIN ===== */
.pin-login-section {
  background: var(--muted);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.pin-header {
  font-weight: 600;
  margin-bottom: 8px;
}
.pin-input {
  text-align: center;
  letter-spacing: 8px;
  font-size: 20px !important;
  padding: 12px !important;
}
.pin-login-section .input-group {
  margin-bottom: 10px;
}

/* ===== REGISTER ===== */
.section-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}
.section-sub {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 16px;
}
.form-section {
  margin-bottom: 20px;
}
.form-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--muted);
}
.required-star {
  color: #FC8181;
  font-weight: 700;
  margin-left: 2px;
}
.age-display {
  display: block;
  font-size: 13px;
  color: var(--gray);
  margin-top: 4px;
  font-weight: 500;
}

/* ===== HOME ===== */
.home-header {
  margin-bottom: 12px;
}
.greeting {
  font-size: 20px;
  font-weight: 600;
}
.home-date {
  font-size: 13px;
  color: var(--gray);
  margin-top: 2px;
}

/* ===== READING CARD ===== */
.reading-display {
  text-align: center;
  padding: 4px 0;
}
.reading-label {
  font-size: 14px;
  color: var(--gray);
  font-weight: 500;
}
.reading-value {
  font-size: 42px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -1px;
}
.reading-unit {
  font-size: 16px;
  color: var(--gray);
  font-weight: 400;
}
.reading-status {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
}
.reading-pulse {
  font-size: 16px;
  color: var(--charcoal);
  margin-top: 4px;
}
.reading-time {
  font-size: 12px;
  color: var(--gray);
  margin-top: 4px;
}
.record-btn {
  margin-top: 12px;
}

/* ===== STATUS COLORS ===== */
.status-normal {
  background: #C6F6D5;
  color: #276749;
}
.status-elevated {
  background: #FEFCBF;
  color: #975A16;
}
.status-stage1 {
  background: #FED7D7;
  color: #9B2C2C;
}
.status-stage2 {
  background: #D6BCFA;
  color: #553C9A;
}
.status-crisis {
  background: #FC8181;
  color: #742A2A;
}
.status-hypotension {
  background: #BEE3F8;
  color: #2A4365;
}
.status-orthostatic {
  background: #2C5282;
  color: #FFFFFF;
}

/* Pulse status */
.pulse-normal {
  background: #C6F6D5;
  color: #276749;
}
.pulse-tachy-mild {
  background: #D6BCFA;
  color: #553C9A;
}
.pulse-tachy-severe {
  background: #FC8181;
  color: #742A2A;
}
.pulse-brady {
  background: #FEFCBF;
  color: #975A16;
}
.pulse-brady-severe {
  background: #FED7D7;
  color: #9B2C2C;
}

/* ===== SNAPSHOT ===== */
.snapshot-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--charcoal);
}
.snapshot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.snapshot-item {
  background: var(--muted);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.snapshot-label {
  display: block;
  font-size: 10px;
  color: var(--gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.snapshot-value {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  margin-top: 2px;
}
.today-consistency {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--muted);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.consistency-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
}
.consistency-value {
  font-size: 20px;
  font-weight: 700;
  margin-left: auto;
}
.consistency-grade {
  font-size: 14px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: 12px;
  background: var(--white);
}

/* ===== CONSISTENCY GRADE COLORS ===== */
.consistency-grade-excellent {
  background: #C6F6D5;
  color: #276749;
}
.consistency-grade-good {
  background: #E6FFFA;
  color: #234E52;
}
.consistency-grade-average {
  background: #FEFCBF;
  color: #975A16;
}
.consistency-grade-below {
  background: #FED7D7;
  color: #9B2C2C;
}
.consistency-grade-poor {
  background: #FC8181;
  color: #742A2A;
}
.consistency-grade-awful {
  background: #D6BCFA;
  color: #553C9A;
}

/* ===== DAILY WINDOWS ===== */
.daily-windows {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.window-item {
  flex: 1;
  background: var(--muted);
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.window-item .window-icon {
  display: block;
  font-size: 18px;
}
.window-item .window-name {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--charcoal);
}
.window-item .window-status {
  display: block;
  font-size: 10px;
  font-weight: 600;
  margin-top: 2px;
}
.window-status.completed {
  color: #276749;
}
.window-status.pending {
  color: var(--gray);
}

/* ===== TODAY READINGS LIST ===== */
.today-readings-list {
  margin-top: 8px;
}
.today-reading-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--muted);
  font-size: 14px;
}
.today-reading-item:last-child {
  border-bottom: none;
}
.today-reading-item .reading-bp {
  font-weight: 600;
}
.today-reading-item .reading-time-sm {
  color: var(--gray);
  font-size: 12px;
}

/* ===== HISTORY ===== */
.history-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 12px;
}
.filter-btn-small {
  padding: 4px 10px;
  border-radius: 16px;
  border: 2px solid var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  color: var(--charcoal);
}
.filter-btn-small.active {
  border-color: var(--orange);
  background: rgba(255, 131, 8, 0.08);
  color: var(--orange);
}
.filter-btn-small:active {
  transform: scale(0.95);
}

.history-date-display {
  font-size: 12px;
  color: var(--gray);
  margin: 8px 0 12px;
  padding: 6px 12px;
  background: var(--muted);
  border-radius: var(--radius-sm);
}

.history-list {
  max-height: 500px;
  overflow-y: auto;
}
.history-item {
  padding: 12px 14px;
  border-bottom: 1px solid var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}
.history-item:active {
  background: var(--muted);
  transform: scale(0.99);
}
.history-item:last-child {
  border-bottom: none;
}
.history-item .left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.history-item .bp {
  font-weight: 600;
  font-size: 18px;
}
.history-item .meta {
  font-size: 12px;
  color: var(--gray);
}
.history-item .right {
  text-align: right;
}
.history-item .tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 12px;
  display: inline-block;
}

/* ===== TRENDS ===== */
.filter-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.filter-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 2px solid var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  color: var(--charcoal);
}
.filter-btn.active {
  border-color: var(--orange);
  background: rgba(255, 131, 8, 0.08);
  color: var(--orange);
}
.filter-btn:active {
  transform: scale(0.95);
}

.trend-date-display {
  font-size: 12px;
  color: var(--gray);
  margin: 4px 0 12px;
  padding: 6px 12px;
  background: var(--muted);
  border-radius: var(--radius-sm);
}

#customDateRange,
#historyCustomRange {
  display: none;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--muted);
  border-radius: var(--radius-sm);
}
#customDateRange .inline-group,
#historyCustomRange .inline-group {
  display: inline-block;
  margin-right: 8px;
  margin-bottom: 0;
}
#customDateRange .inline-group label,
#historyCustomRange .inline-group label {
  font-size: 11px;
  font-weight: 500;
  color: var(--gray);
}
#customDateRange .inline-group input,
#historyCustomRange .inline-group input {
  padding: 6px 10px;
  font-size: 13px;
}

/* ===== CHART OPTIONS ===== */
.chart-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 12px 0;
}
.chart-option {
  padding: 6px 14px;
  border-radius: 20px;
  border: 2px solid var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  color: var(--charcoal);
}
.chart-option.active {
  border-color: var(--orange);
  background: rgba(255, 131, 8, 0.08);
  color: var(--orange);
}
.chart-option:active {
  transform: scale(0.95);
}

.trend-stats {
  margin-bottom: 16px;
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.stat-item {
  background: var(--muted);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.stat-label {
  display: block;
  font-size: 10px;
  color: var(--gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.stat-value {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-top: 2px;
}

.trend-consistency {
  background: var(--muted);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
}
.trend-consistency h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 4px;
}
.consistency-display {
  display: flex;
  align-items: center;
  gap: 12px;
}
.consistency-percent {
  font-size: 24px;
  font-weight: 700;
}
.consistency-detail {
  font-size: 13px;
  color: var(--gray);
}

/* ===== CHARTS ===== */
.chart-container {
  margin-top: 16px;
}
.chart-container h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 8px;
}
.chart-area {
  background: var(--white);
  border-radius: var(--radius-sm);
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 14px;
  padding: 12px;
  position: relative;
  border: 1px solid var(--muted);
}
.chart-area canvas {
  width: 100% !important;
  height: 100% !important;
  max-height: 200px;
}

/* ===== PROFILE ===== */
.profile-avatar-section {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 600;
  overflow: hidden;
  flex-shrink: 0;
}
.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.avatar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.avatar-actions .btn-secondary {
  padding: 6px 14px;
  font-size: 12px;
  width: auto;
}

.profile-field {
  padding: 8px 0;
  border-bottom: 1px solid var(--muted);
}
.profile-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.profile-field span {
  font-size: 16px;
  font-weight: 500;
  color: var(--navy);
}

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 26, 49, 0.4);
  z-index: 999;
  display: none;
  align-items: flex-end;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-overlay.open {
  display: flex;
}
.modal-sheet {
  background: var(--white);
  border-radius: 24px 24px 0 0;
  padding: 16px 20px 32px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from {
    transform: translateY(40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.modal-handle {
  width: 40px;
  height: 4px;
  background: var(--muted);
  border-radius: 4px;
  margin: 0 auto 16px;
}
.modal-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}
.modal-sheet .btn-primary,
.modal-sheet .btn-outline {
  margin-bottom: 10px;
}

/* ===== AVATAR OPTIONS ===== */
.avatar-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.avatar-option {
  font-size: 48px;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 3px solid transparent;
}
.avatar-option:active {
  transform: scale(0.92);
}
.avatar-option.selected {
  border-color: var(--orange);
  background: rgba(255, 131, 8, 0.08);
}

/* ===== SETTINGS ===== */
.settings-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--muted);
}
.settings-item label {
  font-weight: 500;
  font-size: 14px;
}
.settings-item select {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--muted);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
}
.settings-version {
  color: var(--gray);
  font-size: 14px;
}
.settings-item .btn-secondary {
  width: auto;
  padding: 4px 12px;
  font-size: 12px;
}

/* ===== TOGGLE SWITCH ===== */
.switch {
  position: relative;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--gray);
  border-radius: 26px;
  transition: var(--transition);
}
.slider:before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}
.switch input:checked + .slider {
  background: var(--orange);
}
.switch input:checked + .slider:before {
  transform: translateX(22px);
}

/* ===== RESULT CARD ===== */
.result-card {
  text-align: center;
  padding: 32px 20px;
}
.result-icon {
  font-size: 48px;
}
.result-title {
  font-size: 22px;
  font-weight: 600;
  margin: 8px 0;
}
.result-bp {
  font-size: 36px;
  font-weight: 700;
}
.result-status {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin: 4px 0;
}
.result-pulse {
  font-size: 16px;
  color: var(--charcoal);
}
.result-time,
.result-count {
  font-size: 13px;
  color: var(--gray);
}
.result-avg {
  font-size: 15px;
  font-weight: 500;
  margin: 8px 0;
}

/* ===== READY CARD ===== */
.ready-card {
  text-align: center;
  padding: 40px 20px;
}
.ready-icon {
  font-size: 56px;
}
.ready-title {
  font-size: 24px;
  font-weight: 600;
  margin: 8px 0;
}
.ready-sub {
  color: var(--gray);
  margin-bottom: 20px;
}

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 6px 0 env(safe-area-inset-bottom, 6px);
  z-index: 100;
  box-shadow: 0 -2px 20px rgba(0,0,0,0.04);
}
.nav-item {
  background: none;
  border: none;
  font-size: 12px;
  color: var(--gray);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 4px 12px;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  position: relative;
  min-width: 56px;
}
.nav-icon {
  font-size: 22px;
  line-height: 1;
}
.nav-label {
  font-size: 10px;
  font-weight: 500;
}
.nav-item.active {
  color: var(--orange);
}
.nav-item.active .nav-label {
  color: var(--orange);
}
.nav-item:active {
  transform: scale(0.92);
}
.fab-btn {
  background: var(--orange);
  color: white;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  font-size: 30px;
  font-weight: 300;
  box-shadow: 0 4px 16px rgba(255, 131, 8, 0.35);
  cursor: pointer;
  transition: var(--transition);
  margin-top: -16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
}
.fab-btn:active {
  transform: scale(0.9);
}

/* ===== UTILITY ===== */
.mt-8 {
  margin-top: 8px;
}
.mt-16 {
  margin-top: 16px;
}
.inline-group {
  display: inline-block;
}
.import-preview {
  margin: 12px 0;
  font-size: 14px;
  color: var(--gray);
  min-height: 40px;
}
.gdrive-info {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 16px;
}
.import-info {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 12px;
}
#otpEmailDisplay {
  color: var(--orange);
  font-weight: 600;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: white;
  padding: 10px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  max-width: 90%;
  text-align: center;
  animation: fadeSlide 0.3s ease;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 500px) {
  .screen-container {
    padding: 16px 24px 80px;
  }
  .modal-sheet {
    border-radius: 24px;
    margin-bottom: 20px;
    max-height: 70vh;
  }
  .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .snapshot-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 400px) {
  .snapshot-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
  .reading-value {
    font-size: 34px;
  }
  .top-time {
    font-size: 11px;
  }
  .filter-btn-small {
    font-size: 10px;
    padding: 3px 8px;
  }
  .chart-option {
    font-size: 11px;
    padding: 4px 10px;
  }
  .profile-avatar-section {
    flex-direction: column;
    align-items: center;
  }
  .avatar-actions {
    justify-content: center;
  }
}

/* ===== MY HEALTH JOURNAL v1.1 ===== */
[hidden] { display: none !important; }
.brand-tagline { margin: 2px 0 0; color: var(--gray); font-size: 14px; }
.splash-content { min-height: 100vh; position: relative; padding-bottom: 96px; }
.splash-credit { position: absolute; bottom: 28px; left: 18px; right: 18px; text-align: center; }
.splash-credit .splash-dev { color: #a7adb6; font-size: 11px; margin: 0 0 4px; }
.splash-credit .splash-brand { color: #69717d; font-size: 14px; font-weight: 600; margin: 0; }
.preauth-card { padding-top: 28px; }.preauth-logo { display:block; width:min(220px,70%); max-height:92px; object-fit:contain; margin:0 auto 28px; }
.quick-auth-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }.quick-auth { min-height:92px; border:1px solid #e2e8f0; border-radius:18px; background:#fff; color:var(--navy); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px; box-shadow:0 8px 22px rgba(16,26,49,.08); }.quick-auth .ui-icon{color:var(--orange);font-size:24px}.quick-auth small{letter-spacing:4px;color:var(--gray)}
.biometric-btn{width:100%;margin:14px 0 10px;padding:13px;border:1px solid #e2e8f0;border-radius:14px;background:#f8fafc;color:var(--navy);font-weight:600}.credentials-link{display:block;text-align:center;margin:10px 0 20px;color:var(--orange)}
.preauth-options{display:grid;gap:9px}.preauth-options button{display:flex;gap:12px;align-items:center;width:100%;padding:14px 16px;border:1px solid #edf1f5;border-radius:14px;background:#fff;color:var(--navy);text-align:left;font-weight:600}.preauth-options span{color:var(--orange);font-size:19px;width:24px;text-align:center}
.login-sheet,.pin-sheet{position:fixed;z-index:1200;left:0;right:0;bottom:0;max-height:58vh;overflow:auto;background:#fff;border-radius:24px 24px 0 0;padding:16px 20px 24px;box-shadow:0 -12px 35px rgba(16,26,49,.18)}
.avatar-menu{position:fixed;z-index:1300;right:12px;top:58px;width:190px;padding:7px;border-radius:14px;background:#fff;box-shadow:0 12px 35px rgba(16,26,49,.2)}.avatar-menu button{width:100%;padding:10px 12px;border:0;border-radius:9px;background:transparent;text-align:left;color:var(--navy)}.avatar-menu button:hover{background:#f6f8fa}.danger-text{color:#b42318!important}
.history-bulk{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:12px 0}.history-bulk label{margin-right:auto;font-size:13px}.history-item{position:relative;gap:10px}.history-select{width:18px;height:18px;flex:0 0 auto}
.reference-guide{margin:12px 0;padding:12px;border:1px solid #e4e9ef;border-radius:12px}.reference-guide summary{cursor:pointer;font-weight:700}.reference-guide table{width:100%;margin:10px 0;border-collapse:collapse;font-size:11px}.reference-guide th,.reference-guide td{padding:7px 5px;border:1px solid #e3e7eb}.ref-low{background:#e5f1ff}.ref-normal{background:#e8f7ee}.ref-elevated{background:#fff8d8}.ref-stage1{background:#fff0df}.ref-stage2{background:#efe8ff}.ref-crisis{background:#ffe7e5}.about-copy{font-size:12px;line-height:1.6;color:var(--gray);margin:8px 0}.form-section{margin-bottom:22px}.form-section .input-group{margin-bottom:16px}