/* ===================================
   Binance Announcement Manager - Design System
   Mobile-first dark financial reading product
   =================================== */

:root {
  /* Background */
  --bg-app: #0B0E11;
  --bg-surface-1: #161A20;
  --bg-surface-2: #1E2329;
  --bg-surface-3: #2B3139;
  --bg-overlay: rgba(0, 0, 0, 0.56);

  /* Border / Divider */
  --border-default: #2B3139;
  --border-strong: #3A424D;

  /* Text */
  --text-primary: #EAECEF;
  --text-secondary: #A7B0BC;
  --text-tertiary: #848E9C;
  --text-quaternary: #5E6673;
  --text-disabled: #434C57;
  --text-on-brand: #111418;

  /* Brand */
  --color-brand-primary: #F0B90B;
  --color-brand-primary-hover: #F8C826;
  --color-brand-primary-active: #DCA408;

  /* Semantic */
  --color-success: #0ECB81;
  --color-warning: #F97316;
  --color-error: #F6465D;
  --color-info: #1E88E5;

  /* State Background */
  --bg-success-soft: rgba(14, 203, 129, 0.14);
  --bg-warning-soft: rgba(249, 115, 22, 0.14);
  --bg-error-soft: rgba(246, 70, 93, 0.14);
  --bg-info-soft: rgba(30, 136, 229, 0.14);

  /* Activity Type Tags */
  --tag-alpha-bg: rgba(139, 92, 246, 0.16);
  --tag-alpha-text: #A78BFA;

  --tag-spot-bg: rgba(59, 130, 246, 0.16);
  --tag-spot-text: #60A5FA;

  --tag-creator-bg: rgba(16, 185, 129, 0.16);
  --tag-creator-text: #34D399;

  --tag-booster-bg: rgba(245, 158, 11, 0.16);
  --tag-booster-text: #FBBF24;

  --tag-listing-bg: rgba(6, 182, 212, 0.16);
  --tag-listing-text: #22D3EE;

  --tag-delist-bg: rgba(239, 68, 68, 0.16);
  --tag-delist-text: #F87171;

  --tag-default-bg: rgba(107, 114, 128, 0.16);
  --tag-default-text: #9CA3AF;

  /* Font */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "SF Pro Display", "SF Pro Text", ui-sans-serif, system-ui, sans-serif;

  /* Font Size */
  --fs-10: 10px;
  --fs-12: 12px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-18: 18px;
  --fs-20: 20px;
  --fs-24: 24px;

  /* Line Height */
  --lh-title-tight: 1.25;
  --lh-title: 1.3;
  --lh-body: 1.57;
  --lh-caption: 1.5;

  /* Font Weight */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing */
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;

  /* Border Radius */
  --radius-8: 8px;
  --radius-12: 12px;
  --radius-16: 16px;
  --radius-24: 24px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.18);
  --shadow-float: 0 12px 32px rgba(0, 0, 0, 0.28);
  --shadow-drawer: 0 -8px 32px rgba(0, 0, 0, 0.32);

  /* Animation */
  --duration-fast: 160ms;
  --duration-normal: 240ms;
  --duration-page: 300ms;
  --duration-drawer: 350ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-app);
  color: var(--text-primary);
  line-height: var(--lh-body);
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* App Container */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  background: var(--bg-app);
}

/* ===================================
   Offline Banner
   =================================== */
.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  height: 36px;
  background: var(--bg-warning-soft);
  color: var(--color-warning);
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  z-index: 1000;
  padding: 0 var(--space-12);
}

.offline-banner.visible {
  display: flex;
}

.offline-banner .icon {
  width: 16px;
  height: 16px;
}

/* ===================================
   Page Structure
   =================================== */
.page {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: calc(56px + env(safe-area-inset-bottom));
}

.page.active {
  display: block;
  animation: fadeIn var(--duration-page) var(--ease-standard);
}

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

.page-content {
  padding: 0 var(--space-16);
}

/* ===================================
   Page Header
   =================================== */
.page-header {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.page-title {
  font-size: var(--fs-20);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: var(--lh-title-tight);
}

/* ===================================
   Filter Pills
   =================================== */
.filter-section {
  margin-bottom: var(--space-16);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-section::-webkit-scrollbar {
  display: none;
}

.filter-pills {
  display: flex;
  gap: var(--space-8);
  padding-right: var(--space-16);
}

.pill {
  flex-shrink: 0;
  height: 32px;
  padding: 0 var(--space-12);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-2);
  color: var(--text-secondary);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
}

.pill:hover {
  background: var(--bg-surface-3);
}

.pill.active {
  background: rgba(240, 185, 11, 0.14);
  color: var(--color-brand-primary);
  outline: 1px solid rgba(240, 185, 11, 0.4);
}

/* ===================================
   Activity Card
   =================================== */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  padding-bottom: var(--space-24);
}

.activity-card {
  background: var(--bg-surface-2);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-16);
  padding: var(--space-16);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.activity-card:hover {
  background: var(--bg-surface-3);
}

.activity-card:active {
  transform: scale(0.985);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.card-header .coin-symbol {
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  color: var(--color-brand-primary);
}

.card-header .coin-points {
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-left: auto;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-8);
  font-size: var(--fs-10);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tag-alpha {
  background: var(--tag-alpha-bg);
  color: var(--tag-alpha-text);
}

.tag-spot {
  background: var(--tag-spot-bg);
  color: var(--tag-spot-text);
}

.tag-creator {
  background: var(--tag-creator-bg);
  color: var(--tag-creator-text);
}

.tag-booster {
  background: var(--tag-booster-bg);
  color: var(--tag-booster-text);
}

.tag-listing {
  background: var(--tag-listing-bg);
  color: var(--tag-listing-text);
}

.tag-delist {
  background: var(--tag-delist-bg);
  color: var(--tag-delist-text);
}

.card-title {
  font-size: var(--fs-16);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  line-height: var(--lh-title);
  margin-bottom: var(--space-8);
}

.card-summary {
  font-size: var(--fs-14);
  font-weight: var(--fw-regular);
  color: var(--text-tertiary);
  line-height: var(--lh-body);
  margin-bottom: var(--space-12);
}

.card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.time-countdown {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--fs-12);
  font-weight: var(--fw-regular);
  color: var(--text-secondary);
}

.time-countdown .icon {
  width: 14px;
  height: 14px;
}

.time-countdown.warning {
  background: var(--bg-warning-soft);
  color: var(--color-warning);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-8);
}

.time-countdown.urgent {
  background: var(--bg-error-soft);
  color: var(--color-error);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-8);
  animation: pulse 2s ease-in-out infinite;
}

.time-countdown.ended {
  color: var(--text-quaternary);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* ===================================
   Detail Page
   =================================== */
.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding-top: var(--space-8);
}

.back-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  margin-left: -12px;
}

.original-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--fs-14);
  color: var(--color-info);
  text-decoration: none;
}

.original-link .icon {
  width: 16px;
  height: 16px;
}

.detail-content {
  padding-bottom: var(--space-32);
}

.detail-header-section {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.detail-header-section .coin-symbol {
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  color: var(--color-brand-primary);
}

.detail-header-section .coin-points {
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-left: auto;
}

.detail-title {
  font-size: var(--fs-20);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: var(--lh-title-tight);
  margin-bottom: var(--space-16);
}

.info-card {
  background: var(--bg-surface-2);
  border-radius: var(--radius-16);
  padding: var(--space-16);
  margin-bottom: var(--space-16);
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-8) 0;
}

.info-row:not(:last-child) {
  border-bottom: 1px solid var(--border-default);
}

.info-row:first-child {
  padding-top: 0;
}

.info-row:last-child {
  padding-bottom: 0;
}

.info-label {
  font-size: var(--fs-14);
  color: var(--text-secondary);
}

.info-value {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.info-row.highlight {
  margin-top: var(--space-8);
}

.countdown {
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
}

.countdown.urgent {
  color: var(--color-error);
}

.countdown.warning {
  color: var(--color-warning);
}

.detail-section {
  margin-bottom: var(--space-24);
}

.section-title {
  font-size: var(--fs-16);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-12);
}

.reward-intro {
  font-size: var(--fs-14);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

.highlight-text {
  color: var(--color-brand-primary);
  font-weight: var(--fw-semibold);
}

.reward-table {
  background: var(--bg-surface-2);
  border-radius: var(--radius-16);
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  padding: var(--space-12);
  background: var(--bg-surface-3);
  font-size: var(--fs-12);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
}

.table-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-12);
  border-bottom: 1px solid var(--border-default);
  font-size: var(--fs-14);
  color: var(--text-primary);
}

.table-row:last-child {
  border-bottom: none;
}

.rules-list {
  list-style: none;
  counter-reset: rules;
}

.rules-list li {
  counter-increment: rules;
  position: relative;
  padding-left: var(--space-24);
  margin-bottom: var(--space-8);
  font-size: var(--fs-14);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

.rules-list li::before {
  content: counter(rules);
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 18px;
  background: var(--bg-surface-3);
  border-radius: 50%;
  font-size: var(--fs-10);
  font-weight: var(--fw-semibold);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.notes-text {
  font-size: var(--fs-14);
  color: var(--text-tertiary);
  line-height: var(--lh-body);
}

.bottom-spacer {
  height: 80px;
}

/* ===================================
   Alpha List Page
   =================================== */
.alpha-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  padding-bottom: var(--space-24);
}

.alpha-card {
  background: var(--bg-surface-2);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-16);
  padding: var(--space-16);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.alpha-card:hover {
  background: var(--bg-surface-3);
}

.alpha-card:active {
  transform: scale(0.985);
}

.alpha-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.alpha-symbol {
  font-size: var(--fs-18);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
}

.alpha-points {
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  color: var(--color-brand-primary);
  font-variant-numeric: tabular-nums;
}

.alpha-fullname {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.alpha-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  margin-bottom: var(--space-8);
}

.alpha-meta-sub {
  margin-bottom: 0;
}

.alpha-time {
  font-size: var(--fs-12);
  color: var(--text-secondary);
}

.alpha-research-flag {
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  color: var(--color-brand-primary);
}

.alpha-preview {
  font-size: var(--fs-13);
  color: var(--text-tertiary);
  line-height: var(--lh-body);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===================================
   Alpha Detail Page
   =================================== */
.alpha-detail-header {
  padding-bottom: var(--space-16);
}

.alpha-symbol-row {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-4);
}

.alpha-symbol-large {
  font-size: var(--fs-24);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
}

.alpha-fullname-large {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.alpha-points-large {
  font-size: var(--fs-18);
  font-weight: var(--fw-semibold);
  color: var(--color-brand-primary);
}

.summary-text {
  font-size: var(--fs-14);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

.summary-source-link {
  margin-top: var(--space-16);
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--color-brand-primary);
  text-decoration: none;
}

.summary-source-link .icon {
  width: 16px;
  height: 16px;
}

.conditions-list {
  list-style: none;
}

.conditions-list li {
  position: relative;
  padding-left: var(--space-16);
  margin-bottom: var(--space-8);
  font-size: var(--fs-14);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

.conditions-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-brand-primary);
  border-radius: 50%;
}

.risk-warning {
  display: flex;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-14);
  background: var(--bg-warning-soft);
  border-radius: var(--radius-12);
  margin-bottom: var(--space-24);
}

.risk-warning .icon {
  width: 20px;
  height: 20px;
  color: var(--color-warning);
  flex-shrink: 0;
}

.warning-title {
  font-size: var(--fs-12);
  font-weight: var(--fw-semibold);
  color: var(--color-warning);
  margin-bottom: var(--space-4);
}

.warning-text {
  font-size: var(--fs-12);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

/* ===================================
   Account Page (Calendar)
   =================================== */
.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  margin-bottom: var(--space-16);
}

.month-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
}

.month-label {
  font-size: var(--fs-18);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
}

.summary-card {
  background: var(--bg-surface-2);
  border-radius: var(--radius-16);
  padding: var(--space-16);
  margin-bottom: var(--space-16);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-8) 0;
}

.summary-row:first-child {
  padding-top: 0;
}

.summary-row.total {
  margin-top: var(--space-8);
  padding-top: var(--space-12);
  border-top: 1px solid var(--border-default);
}

.summary-label {
  font-size: var(--fs-14);
  color: var(--text-secondary);
}

.summary-value {
  font-size: var(--fs-16);
  font-weight: var(--fw-semibold);
  font-variant-numeric: tabular-nums;
}

.summary-value.income,
.summary-value.profit {
  color: var(--color-success);
}

.summary-value.expense {
  color: var(--color-error);
}

.summary-row.total .summary-value {
  font-size: var(--fs-24);
}

/* Calendar */
.calendar {
  background: var(--bg-surface-2);
  border-radius: var(--radius-16);
  padding: var(--space-16);
  margin-bottom: var(--space-24);
}

.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: var(--space-8);
}

.calendar-header span {
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  color: var(--text-quaternary);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-4);
}

.calendar-cell {
  aspect-ratio: 1;
  min-height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-8);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  position: relative;
}

.calendar-cell:not(.empty):hover {
  background: var(--bg-surface-3);
}

.calendar-cell.today {
  border: 1px solid var(--color-brand-primary);
}

.calendar-cell.selected {
  background: rgba(240, 185, 11, 0.16);
}

.calendar-cell.selected .date-number {
  color: var(--color-brand-primary);
  font-weight: var(--fw-semibold);
}

.calendar-cell.empty {
  cursor: default;
}

.date-number {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.date-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 2px;
}

.date-dot.income {
  background: var(--color-success);
}

.date-dot.expense {
  background: var(--color-error);
}

/* Transaction Section */
.transaction-section {
  margin-bottom: var(--space-24);
}

.transaction-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.transaction-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-14) var(--space-16);
  background: var(--bg-surface-2);
  border-radius: var(--radius-16);
}

.transaction-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-12);
}

.transaction-icon.income-icon {
  background: var(--bg-success-soft);
  color: var(--color-success);
}

.transaction-icon.expense-icon {
  background: var(--bg-error-soft);
  color: var(--color-error);
}

.transaction-icon .icon {
  width: 20px;
  height: 20px;
}

.transaction-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.transaction-title {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.transaction-category {
  font-size: var(--fs-12);
  color: var(--text-tertiary);
}

.transaction-amount {
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  font-variant-numeric: tabular-nums;
}

.transaction-amount.income {
  color: var(--color-success);
}

.transaction-amount.expense {
  color: var(--color-error);
}

/* FAB */
.fab {
  position: fixed;
  bottom: calc(72px + env(safe-area-inset-bottom));
  right: var(--space-16);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-brand-primary);
  color: var(--text-on-brand);
  border: none;
  box-shadow: var(--shadow-float);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-standard);
}

.fab:hover {
  background: var(--color-brand-primary-hover);
  transform: scale(1.05);
}

.fab:active {
  transform: scale(0.95);
}

.fab .icon {
  width: 24px;
  height: 24px;
}

/* ===================================
   Drawer
   =================================== */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  z-index: 900;
  max-width: 480px;
  margin: 0 auto;
}

.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-surface-2);
  border-radius: var(--radius-24) var(--radius-24) 0 0;
  box-shadow: var(--shadow-drawer);
  transform: translateY(100%);
  transition: transform var(--duration-drawer) var(--ease-emphasized);
  z-index: 950;
  padding-bottom: env(safe-area-inset-bottom);
}

.drawer.active {
  transform: translateY(0);
}

.drawer-content {
  padding: var(--space-16);
}

.drawer-handle {
  width: 40px;
  height: 4px;
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  margin: 0 auto var(--space-16);
}

.drawer-title {
  font-size: var(--fs-18);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-16);
}

/* Type Toggle */
.type-toggle {
  display: flex;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.type-btn {
  flex: 1;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-12);
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.type-btn .icon {
  width: 18px;
  height: 18px;
}

.type-btn.active {
  border-color: var(--color-brand-primary);
  background: rgba(240, 185, 11, 0.1);
  color: var(--color-brand-primary);
}

.type-btn[data-type="expense"].active {
  border-color: var(--color-error);
  background: rgba(246, 70, 93, 0.1);
  color: var(--color-error);
}

/* Form Groups */
.form-group {
  margin-bottom: var(--space-16);
}

.form-label {
  display: block;
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.amount-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-12);
  padding: var(--space-12) var(--space-16);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.amount-input-wrapper:focus-within {
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.18);
}

.currency-symbol {
  font-size: var(--fs-24);
  font-weight: var(--fw-bold);
  color: var(--text-secondary);
  margin-right: var(--space-8);
}

.amount-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: var(--fs-24);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.amount-input::placeholder {
  color: var(--text-quaternary);
}

/* Category Pills */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.category-pill {
  height: 32px;
  padding: 0 var(--space-12);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-3);
  color: var(--text-secondary);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.category-pill:hover {
  background: var(--bg-surface-2);
}

.category-pill.active {
  background: rgba(240, 185, 11, 0.14);
  color: var(--color-brand-primary);
}

/* Text Input & Date Input */
.text-input,
.date-input {
  width: 100%;
  height: 48px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-12);
  padding: var(--space-12) var(--space-16);
  font-size: var(--fs-16);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  outline: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.text-input::placeholder {
  color: var(--text-quaternary);
  font-weight: var(--fw-regular);
}

.text-input:focus,
.date-input:focus {
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.18);
}

.date-input {
  color-scheme: dark;
}

/* Drawer Actions */
.drawer-actions {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-24);
}

.drawer-actions .btn {
  flex: 1;
}

/* ===================================
   Buttons
   =================================== */
.btn {
  height: 44px;
  padding: 0 var(--space-16);
  border-radius: var(--radius-12);
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
}

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

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

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

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-surface-3);
}

.btn-secondary:active {
  background: var(--bg-surface-2);
}

.fixed-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-16);
  background: linear-gradient(transparent, var(--bg-app) 20%);
  padding-bottom: calc(var(--space-16) + env(safe-area-inset-bottom));
  z-index: 100;
}

.fixed-bottom .btn {
  width: 100%;
}

/* ===================================
   Bottom Navigation
   =================================== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  height: calc(56px + env(safe-area-inset-bottom));
  background: var(--bg-surface-2);
  border-top: 1px solid var(--border-default);
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  padding-top: var(--space-8);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 200;
}

.nav-item {
  flex: 1;
  height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: transparent;
  border: none;
  color: var(--text-quaternary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.nav-item .icon {
  width: 20px;
  height: 20px;
}

.nav-item span {
  font-size: var(--fs-10);
  font-weight: var(--fw-medium);
}

.nav-item.active {
  color: var(--color-brand-primary);
}

.nav-item:hover:not(.active) {
  color: var(--text-tertiary);
}

/* ===================================
   Toast
   =================================== */
.toast {
  position: fixed;
  bottom: calc(80px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-surface-3);
  color: var(--text-primary);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-12);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  z-index: 1000;
  white-space: nowrap;
  box-shadow: var(--shadow-float);
}

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

.toast.success {
  background: var(--color-success);
  color: #fff;
}

.toast.error {
  background: var(--color-error);
  color: #fff;
}

/* ===================================
   Skeleton Loading
   =================================== */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
  border-radius: var(--radius-8);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-card {
  background: var(--bg-surface-2);
  border-radius: var(--radius-16);
  padding: var(--space-16);
}

.skeleton-line {
  height: 14px;
  margin-bottom: var(--space-8);
}

.skeleton-line.title {
  width: 60%;
  height: 16px;
}

.skeleton-line.subtitle {
  width: 85%;
}

.skeleton-line.meta {
  width: 40%;
}

/* ===================================
   Empty State
   =================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-64) var(--space-32);
  text-align: center;
}

.empty-icon {
  width: 64px;
  height: 64px;
  color: var(--text-quaternary);
  margin-bottom: var(--space-16);
  animation: float 2.4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.empty-title {
  font-size: var(--fs-16);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.empty-desc {
  font-size: var(--fs-13);
  color: var(--text-tertiary);
  margin-bottom: var(--space-16);
}

/* ===================================
   Responsive (Tablet & Desktop)
   =================================== */
@media (min-width: 768px) {
  .app-container {
    background: var(--bg-surface-1);
  }

  .page-content {
    padding: 0 var(--space-24);
  }

  .bottom-nav {
    max-width: 480px;
  }

  .offline-banner {
    max-width: 480px;
  }

  .drawer {
    max-width: 560px;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    border-radius: var(--radius-24) var(--radius-24) 0 0;
  }

  .drawer.active {
    transform: translateX(-50%) translateY(0);
  }

  .fixed-bottom {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
  }
}


/* Error / Empty States */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.error-state .btn {
  display: inline-flex;
  width: auto;
  margin: 16px auto 0;
}


.reward-tier-table .table-header,
.reward-tier-table .table-row {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr;
  gap: var(--space-12);
  align-items: center;
}

.reward-tier-table .table-header span:nth-child(2),
.reward-tier-table .table-header span:nth-child(3),
.reward-tier-table .table-row span:nth-child(2),
.reward-tier-table .table-row span:nth-child(3) {
  text-align: right;
}