/* Quantum Prism Design System */
:root {
  --bg: #050507;
  --card: rgba(14,14,18,.75);
  --cc: rgba(255,255,255,.035);
  --t0: rgba(255,255,255,.92);
  --t1: rgba(255,255,255,.65);
  --t2: rgba(255,255,255,.45);
  --t3: rgba(255,255,255,.30);
  --t4: rgba(255,255,255,.15);
  --accent: #FF8E53;
  --green: #10B981;
  --cyan: #00D4FF;
  --red: #EF4444;
  --yellow: #FBBF24;
  --radius: 16px;
  --radius-sm: 10px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--t0);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* Messages Container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px 24px 180px;
  scroll-behavior: smooth;
}

/* Messages */
.msg {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.msg.user {
  justify-content: flex-end;
}

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--cc);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.msg-content {
  max-width: 80%;
}

.msg.user .msg-content {
  max-width: 70%;
}

.msg-bubble {
  padding: 14px 18px;
  border-radius: var(--radius);
  line-height: 1.5;
  font-size: 15px;
}

.user-bubble {
  background: var(--cyan);
  color: #000;
  font-weight: 500;
}

.ai-bubble {
  background: var(--card);
  border: 1px solid var(--cc);
  color: var(--t1);
}

.proactive-bubble {
  background: var(--card);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--t1);
}

.proactive-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--cyan);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.proactive-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.proactive-label {
  color: var(--cyan);
}

.msg-time {
  font-size: 11px;
  color: var(--t3);
  margin-top: 6px;
  margin-left: 2px;
}

/* Typing Indicator */
.typing-bubble {
  padding: 14px 18px;
}

.typing-dots {
  display: flex;
  gap: 4px;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--t3);
  animation: typing 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.3; }
  30% { transform: translateY(-8px); opacity: 1; }
}

/* Date Divider */
.date-divider {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--t3);
  text-transform: uppercase;
  margin: 32px 0 24px;
  position: relative;
}

.date-divider::before,
.date-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--cc);
}

.date-divider::before { left: 0; }
.date-divider::after { right: 0; }

/* Chips */
.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-left: 48px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--cc);
  color: var(--t1);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.chip:hover {
  background: rgba(255,255,255,.05);
  border-color: var(--cyan);
  color: var(--cyan);
}

.chip:active {
  transform: scale(0.96);
}

/* Data Cards */
.data-card {
  background: var(--card);
  border: 1px solid var(--cc);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 12px;
}

.card-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: var(--t2);
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* Summary Card */
.summary-card {
  background: var(--card);
  border: 1px solid var(--cc);
  border-radius: var(--radius);
  padding: 20px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.sg-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sg-label {
  font-size: 11px;
  color: var(--t3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sg-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 600;
  color: var(--t0);
}

/* Food Log Card */
.food-log-card {
  background: var(--card);
  border: 1px solid var(--cc);
  border-radius: var(--radius);
  padding: 20px;
}

.food-log-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--cc);
}

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

.fl-name {
  font-size: 15px;
  color: var(--t0);
  margin-bottom: 4px;
}

.fl-cal {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--t1);
  margin-bottom: 4px;
}

.fl-meta {
  font-size: 12px;
  color: var(--t3);
}

.fl-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--cc);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--t3);
}

.fl-total-cal {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  color: var(--cyan);
}

/* Input Bar */
.input-bar {
  position: fixed;
  bottom: 68px;
  left: 0;
  right: 0;
  background: linear-gradient(to top, var(--bg) 80%, transparent);
  padding: 20px 24px 20px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
  z-index: 100;
}

.chat-input {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--cc);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--t0);
  font-size: 15px;
  font-family: 'Outfit', sans-serif;
  resize: none;
  min-height: 48px;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color 0.2s;
}

.chat-input:focus {
  outline: none;
  border-color: var(--cyan);
}

.chat-input::placeholder {
  color: var(--t3);
}

.send-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--cyan);
  border: none;
  color: #000;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.send-btn:hover {
  background: var(--cyan);
  transform: scale(1.05);
}

.send-btn:active {
  transform: scale(0.95);
}

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

/* Scrollbar */
.messages-container::-webkit-scrollbar {
  width: 6px;
}

.messages-container::-webkit-scrollbar-track {
  background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
  background: var(--cc);
  border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
  background: var(--t4);
}

/* ========== FOOD MODAL ========== */
.food-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: opacity 0.3s;
}

.food-modal.show {
  display: flex;
}

.food-modal-sheet {
  width: 100%;
  max-width: 500px;
  max-height: 92vh;
  background: linear-gradient(180deg, rgba(18,18,22,1), rgba(10,10,14,1));
  border-radius: 20px 20px 0 0;
  overflow-y: auto;
  overflow-x: hidden;
  animation: slideUp 0.35s ease-out;
}

.food-modal-sheet::-webkit-scrollbar {
  display: none;
}

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

.fm-handle {
  width: 36px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  margin: 10px auto 0;
}

.fm-header {
  padding: 16px 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.fm-title {
  font-size: 20px;
  font-weight: 400;
  color: var(--t0);
}

.fm-subtitle {
  font-size: 13px;
  color: var(--t2);
  font-weight: 300;
  margin-top: 2px;
}

.fm-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: none;
  color: var(--t2);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.fm-close:active {
  background: rgba(255,255,255,0.08);
  color: var(--t0);
}

/* Food Items List */
.fm-items {
  padding: 8px 24px 0;
}

.food-item {
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.food-item:last-of-type {
  border-bottom: none;
}

.fi-view {
  padding: 14px 0;
}

.fi-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.fi-emoji {
  font-size: 30px;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

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

.fi-name {
  font-size: 15px;
  font-weight: 400;
  color: var(--t0);
}

.fi-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  flex-wrap: wrap;
}

.fi-detail {
  font-size: 12px;
  color: var(--t3);
  font-weight: 300;
}

.fi-dot {
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--t4);
}

.fi-time {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--t2);
  padding: 2px 7px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 5px;
}

.fi-macros {
  display: inline-flex;
  gap: 10px;
  margin-top: 6px;
}

.fi-macro {
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--t2);
}

.fi-macro span {
  color: var(--t0);
  font-weight: 400;
}

.fi-right {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.fi-cal {
  text-align: right;
}

.fi-cal-v {
  font-size: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  color: var(--t0);
}

.fi-cal-u {
  font-size: 10px;
  color: var(--t3);
}

.fi-edit-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-top: 2px;
  color: var(--t3);
  font-size: 14px;
  transition: all 0.15s;
}

.fi-edit-btn:active {
  background: rgba(255,255,255,0.07);
  color: var(--t0);
}

/* Edit Mode */
.fi-edit {
  display: none;
  padding: 14px 0;
}

.food-item.editing .fi-view {
  display: none;
}

.food-item.editing .fi-edit {
  display: block;
}

.fe-portion {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.fe-portion-label {
  font-size: 12px;
  color: var(--t2);
  font-weight: 300;
  margin-right: 12px;
  white-space: nowrap;
}

.fe-step {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  color: var(--t2);
  transition: all 0.12s;
  flex-shrink: 0;
}

.fe-step:active {
  background: rgba(255,255,255,0.08);
  color: var(--t0);
}

.fe-portion-val {
  width: 56px;
  text-align: center;
  font-size: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  color: var(--t0);
  background: none;
  border: none;
  outline: none;
  padding: 4px 0;
}

.fe-portion-x {
  font-size: 12px;
  color: var(--t3);
  margin-left: 2px;
  align-self: center;
}

.fe-calc {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255,142,83,0.015);
  border: 1px solid rgba(255,142,83,0.035);
  border-radius: 10px;
  margin-bottom: 8px;
}

.fe-cv {
  text-align: center;
  flex: 1;
}

.fe-cv-v {
  font-size: 16px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--t0);
  font-weight: 400;
}

.fe-cv-v.cal {
  font-size: 20px;
  color: var(--accent);
  font-weight: 500;
}

.fe-cv-l {
  font-size: 8px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--t3);
  margin-top: 1px;
}

.fe-actions {
  display: flex;
  gap: 8px;
}

.fe-btn {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.15s;
}

.fe-save {
  background: var(--accent);
  color: #000;
}

.fe-cancel {
  background: rgba(255,255,255,0.04);
  color: var(--t2);
}

.fe-delete {
  background: rgba(239,68,68,0.06);
  color: rgba(239,68,68,0.55);
  border: 1px solid rgba(239,68,68,0.08);
  flex: 0.5;
}

/* Totals Section */
.fm-totals {
  margin: 10px 24px;
  padding: 16px;
  background: rgba(255,142,83,0.025);
  border: 1px solid rgba(255,142,83,0.05);
  border-radius: 14px;
}

.fmt-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.fmt-cal {
  font-size: 28px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  color: var(--accent);
}

.fmt-cal small {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,142,83,0.5);
}

.fmt-rem {
  font-size: 13px;
  color: var(--green);
  font-family: 'JetBrains Mono', monospace;
}

.fmt-macros {
  display: flex;
  gap: 18px;
  margin-top: 8px;
}

.fmt-macro {
  text-align: center;
  flex: 1;
}

.fmt-macro-v {
  font-size: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  color: var(--t0);
}

.fmt-macro-v small {
  font-size: 11px;
  color: var(--t3);
}

.fmt-macro-l {
  font-size: 9px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--t3);
  margin-top: 2px;
}

/* Actions */
.fm-actions {
  padding: 18px 24px 36px;
  display: flex;
  gap: 8px;
}

.fm-btn {
  flex: 1;
  padding: 16px;
  border-radius: 14px;
  border: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.fm-btn-confirm {
  background: var(--accent);
  color: #000;
  flex: 1.4;
}

.fm-btn-confirm:active {
  background: rgba(255,142,83,0.85);
}

.fm-btn-confirm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.fm-btn-cancel {
  background: rgba(255,255,255,0.04);
  color: var(--t3);
  font-weight: 300;
}

/* ========== CLOSE-OUT CARD ========== */
.closeout-card {
  background: var(--card);
  border: 1px solid var(--cc);
  border-radius: 16px;
  padding: 20px;
  margin: 8px 0;
}

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

.co-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--t3);
}

.co-state {
  font-size: 14px;
  font-weight: 600;
  padding: 4px 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
}

.co-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.co-metric {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--cc);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}

.co-metric-label {
  font-size: 11px;
  color: var(--t3);
  margin-bottom: 4px;
}

.co-metric-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--t0);
}

.co-fat-change {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--cc);
  border-radius: 12px;
  margin-bottom: 12px;
}

.co-fruit {
  font-size: 32px;
}

.co-fat-text {
  font-size: 14px;
  color: var(--t1);
}

.co-fruit-name {
  font-size: 12px;
  color: var(--t3);
}

.water-note {
  font-size: 12px;
  color: var(--t2);
  text-align: center;
  margin-bottom: 12px;
}

.co-week {
  margin: 16px 0;
}

.co-week-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--t3);
  margin-bottom: 8px;
}

.week-dots {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.week-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.dot-circle {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-label {
  font-size: 10px;
  color: var(--t3);
}

.co-week-summary {
  font-size: 13px;
  color: var(--t2);
  text-align: center;
}

.co-connected {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.co-conn-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
}

.co-conn-label {
  font-size: 10px;
  color: var(--t3);
}

.co-conn-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--t0);
}

.co-meals {
  margin: 16px 0;
}

.co-meals-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--t3);
  margin-bottom: 8px;
}

.meal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--cc);
  border-radius: 10px;
  margin-bottom: 6px;
}

.meal-name {
  font-size: 14px;
  color: var(--t0);
}

.meal-cal {
  font-size: 13px;
  color: var(--t2);
}

.no-meals {
  font-size: 13px;
  color: var(--t3);
  text-align: center;
  padding: 12px;
}

.co-streak {
  font-size: 14px;
  color: var(--cyan);
  text-align: center;
  margin-top: 12px;
  padding: 8px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 8px;
}

/* ========== TAB BAR ========== */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,.04);
  padding: 8px 0 env(safe-area-inset-bottom, 8px);
  z-index: 100;
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  color: var(--t3);
  font-size: 10px;
  font-family: 'Outfit', sans-serif;
  padding: 4px 16px;
  transition: color 0.2s;
}

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

.tab svg {
  stroke: currentColor;
}