:root {
  --bg-color: #09090b;
  --card-bg: #141417;
  --card-border: #222227;
  --text-color: #f4f4f5;
  --text-secondary: #71717a;
  --accent-color: #3b82f6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --prot-color: #60a5fa;
  --fat-color: #fbbf24;
  --carb-color: #34d399;
  --input-bg: #1c1c21;
  --bottom-bar-height: 52px;
  --nav-bar-height: 56px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: -0.01em;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  overflow-x: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

.app-root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 540px;
  margin: 0 auto;
  position: relative;
  padding-bottom: calc(var(--bottom-bar-height) + var(--nav-bar-height) + env(safe-area-inset-bottom) + 20px);
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 18px;
  border-bottom: 1px solid var(--card-border);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1e1e24 0%, #2a2a34 100%);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.user-greeting {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.badge-bulking {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: #38bdf8;
  background-color: rgba(56, 189, 248, 0.1);
  padding: 1px 8px;
  border-radius: 6px;
  margin-top: 1px;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:active {
  background-color: var(--input-bg);
}

/* Search Box */
.search-box {
  position: relative;
  margin-top: 10px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.search-box input {
  width: 100%;
  height: 38px;
  background-color: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 0 36px;
  color: var(--text-color);
  font-size: 14px;
  outline: none;
}

.btn-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
}

.search-results-dropdown {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  margin-top: 6px;
  max-height: 250px;
  overflow-y: auto;
  padding: 8px;
}

/* Content Area */
.content-scroll {
  flex: 1;
  padding: 14px 16px;
}

.tab-view {
  display: none;
}

.tab-view.active {
  display: block;
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
}

.highlight-card {
  border-color: rgba(59, 130, 246, 0.3);
  background-color: var(--card-bg);
}

/* Hero Card (Calories) */
.hero-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
}

.hero-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-target-pill {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--input-bg);
  padding: 2px 8px;
  border-radius: 6px;
}

.hero-calories {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 8px 0 8px 0;
}

.calorie-numbers {
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.cal-consumed {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
}

.cal-sep {
  font-size: 18px;
  color: var(--text-secondary);
}

.cal-target {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
}

.cal-unit {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: 2px;
}

.calorie-remaining-badge {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-green);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 3px 8px;
  border-radius: 6px;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: var(--input-bg);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6 0%, #10b981 100%);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.alert-box {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.4;
}

.alert-warning {
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.macros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.macro-item {
  background-color: var(--input-bg);
  padding: 8px 10px;
  border-radius: 10px;
}

.macro-name {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 6px;
}

.macro-bar-bg {
  height: 5px;
  background-color: #2e2e34;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.macro-bar-fill {
  height: 100%;
  transition: width 0.3s;
}

.macro-bar-fill.prot { background-color: var(--prot-color); }
.macro-bar-fill.fat { background-color: var(--fat-color); }
.macro-bar-fill.carb { background-color: var(--carb-color); }

.macro-val {
  font-size: 11px;
  font-weight: 700;
}

/* Quick Actions Chips */
.quick-actions-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 12px;
  scrollbar-width: none;
}

.quick-actions-row::-webkit-scrollbar {
  display: none;
}

.quick-chip {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-color);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.quick-chip:active {
  background-color: var(--input-bg);
}

/* Water Card */
.water-total {
  font-size: 13px;
  font-weight: 600;
  color: #60a5fa;
}

.water-progress-bg {
  height: 8px;
  background-color: var(--input-bg);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.water-progress-fill {
  height: 100%;
  background-color: #3b82f6;
  border-radius: 4px;
  transition: width 0.3s;
}

.water-buttons {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-sm,
.btn-text {
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  transition: opacity 0.2s;
  font-family: inherit;
}

.btn-primary:active,
.btn-secondary:active {
  opacity: 0.8;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #fff;
}

.btn-secondary {
  background-color: var(--input-bg);
  color: var(--text-color);
  border: 1px solid var(--card-border);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-text {
  background: none;
  border: none;
  color: var(--accent-color);
  font-size: 13px;
  font-weight: 600;
  padding: 4px;
}

.badge-tag {
  font-size: 11px;
  color: var(--text-secondary);
  background-color: var(--input-bg);
  padding: 3px 8px;
  border-radius: 6px;
}

.money-sum {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.money-hero-sum {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin: 6px 0 12px 0;
}

.impulse-pill {
  font-size: 12px;
  font-weight: 600;
  color: #fb7185;
  background-color: rgba(244, 63, 94, 0.15);
  padding: 4px 10px;
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 10px;
}

.impulse-ring-section {
  background-color: var(--input-bg);
  padding: 12px;
  border-radius: 12px;
}

.impulse-ring-info {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.impulse-stat {
  font-weight: 700;
  color: #fb7185;
}

.impulse-fill {
  background-color: #fb7185;
}

/* Sub Nav */
.sub-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 12px;
  scrollbar-width: none;
}

.sub-nav::-webkit-scrollbar { display: none; }

.sub-nav-btn {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.sub-nav-btn.active {
  background-color: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}

.sub-content {
  display: none;
}

.sub-content.active {
  display: block;
}

/* Input Inline */
.input-inline {
  display: flex;
  gap: 8px;
}

.input-inline input {
  flex: 1;
  height: 38px;
  background-color: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0 12px;
  color: #fff;
  font-size: 13px;
  outline: none;
}

/* Lists */
.items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.list-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-color: var(--input-bg);
  border-radius: 10px;
  font-size: 13px;
}

.empty-text {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  padding: 12px 0;
}

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

/* SVG Chart */
.chart-container {
  width: 100%;
  margin-top: 10px;
  background-color: var(--input-bg);
  border-radius: 10px;
  padding: 10px;
}

.svg-chart {
  width: 100%;
  height: auto;
  display: block;
}

/* Floating Undo Toast */
.undo-toast {
  position: fixed;
  bottom: calc(var(--bottom-bar-height) + var(--nav-bar-height) + env(safe-area-inset-bottom) + 16px);
  left: 16px;
  right: 16px;
  max-width: 508px;
  margin: 0 auto;
  z-index: 70;
  background-color: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}

.undo-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  font-size: 13px;
}

.btn-undo {
  background-color: var(--accent-orange);
  color: #000;
  font-weight: 700;
  border-radius: 6px;
  padding: 4px 10px;
}

.undo-timer-bar {
  height: 3px;
  background-color: rgba(255, 255, 255, 0.1);
}

.undo-timer-fill {
  height: 100%;
  background-color: var(--accent-orange);
  width: 100%;
  transition: width 5s linear;
}

/* Fixed Bottom Bar: Input + Nav unified without gaps */
.fixed-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 540px;
  margin: 0 auto;
  z-index: 60;
  background-color: rgba(14, 14, 17, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--card-border);
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-input-bar {
  height: 48px;
  display: flex;
  align-items: center;
  padding: 6px 14px 4px 14px;
  gap: 8px;
}

.btn-input-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.bottom-input-bar input {
  flex: 1;
  height: 36px;
  background-color: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 0 14px;
  color: #fff;
  font-size: 13px;
  outline: none;
}

.bottom-input-bar input:focus {
  border-color: #3b82f6;
}

.btn-send-icon {
  background-color: var(--accent-color);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  cursor: pointer;
}

/* Bottom Nav */
.bottom-nav {
  height: 48px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-tab {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 4px 0;
  cursor: pointer;
  outline: none;
}

.nav-tab span {
  font-size: 10px;
  font-weight: 500;
}

.nav-tab.active {
  color: var(--accent-color);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: flex-end;
  z-index: 60;
  backdrop-filter: blur(4px);
}

.modal-card {
  width: 100%;
  max-height: 85vh;
  background-color: var(--card-bg);
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  padding: 20px 16px env(safe-area-inset-bottom);
  overflow-y: auto;
}

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

.btn-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
}

.hidden {
  display: none !important;
}