:root {
  --font-family: "Inter", sans-serif;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent-orange: #f97316;
  --accent-orange-grad: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  --accent-teal: #0d9488;
  --accent-teal-bg: #f0fdfa;
  --border-color: #e2e8f0;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
}

body.dark {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: #334155;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  padding-bottom: calc(85px + env(safe-area-inset-bottom, 0px)); /* Space for bottom nav + safe area */
  transition: padding-bottom 0.2s ease;
}

body.has-chat-panel {
  padding-bottom: calc(140px + env(safe-area-inset-bottom, 0px)); /* Space for input composer + bottom nav + safe area */
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(1rem + env(safe-area-inset-top, 0px)) 1.5rem 1rem 1.5rem;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  font-size: 1.8rem;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem;
  transition: transform 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.1);
}

.status-badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
}

.status-badge.expired {
  background-color: #ffedd5;
  color: #c2410c;
}

body.dark .status-badge.expired {
  background-color: #7c2d12;
  color: #ffedd5;
}

.btn-upgrade {
  background: var(--accent-orange-grad);
  color: #fff;
  border: none;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(249, 115, 22, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-upgrade:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(249, 115, 22, 0.3);
}

/* Container spacing */
.container {
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Date Strip Selector */
.date-strip-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--card-shadow);
}

.date-dropdown {
  display: flex;
  justify-content: flex-start;
}

.dropdown-btn {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.date-horizontal {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.scroll-helper {
  font-size: 0.7rem;
  color: var(--text-secondary);
  align-self: flex-end;
}

.days-list {
  display: flex;
  justify-content: space-between;
  overflow-x: auto;
  gap: 0.5rem;
  scrollbar-width: none; /* Hide scrollbar Firefox */
}

.days-list::-webkit-scrollbar {
  display: none; /* Hide scrollbar Chrome/Safari */
}

.day-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  cursor: pointer;
  min-width: 55px;
  transition: all 0.2s ease;
}

.day-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.day-num {
  font-size: 0.95rem;
  font-weight: 600;
}

.day-item.active {
  border: 2px solid var(--accent-teal);
  background-color: var(--accent-teal-bg);
  color: var(--accent-teal);
}

body.dark .day-item.active {
  background-color: rgba(13, 148, 136, 0.15);
}

/* Today Overview label */
.overview-header {
  margin-top: 0.5rem;
}

.overview-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
}

.overview-header p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Dashboard Cards */
.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.card-icon {
  font-size: 1.2rem;
}

.card-header h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.card-content-metrics {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-val {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.metric-val .sub-val {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.metric-item.highlight .metric-val {
  color: var(--accent-orange);
}

/* Today Log detailed container */
.food-log {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.log-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.log-progress-pill {
  background-color: #e2e8f0;
  color: #475569;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 700;
}

body.dark .log-progress-pill {
  background-color: #334155;
  color: #cbd5e1;
}

.meal-list-ui {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.meal-list-ui li {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
}

.meal-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.meal-title {
  font-weight: 700;
  font-size: 1.05rem;
}

.meal-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-edit, .btn-delete {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.2rem;
  font-size: 0.95rem;
  transition: transform 0.2s;
}

.btn-edit:hover, .btn-delete:hover {
  transform: scale(1.15);
}

.meal-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.meal-badges .badge {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}

.meal-progress-bars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.progress-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.progress-col .label {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.progress-col .val {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0.15rem 0;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background-color: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.15rem;
}

.progress-bar .fill {
  height: 100%;
  background-color: var(--accent-teal);
  border-radius: 2px;
}

.progress-col .percent {
  font-size: 0.65rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* Bottom Actions Panel (Search bar + camera) */
.bottom-action-container {
  position: fixed;
  bottom: 65px; /* Sits right above navigation bar */
  left: 0;
  right: 0;
  background-color: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  z-index: 800;
  display: flex;
  justify-content: center;
}

body.dark .bottom-action-container {
  background-color: rgba(15, 23, 42, 0.9);
}

.chat-input-container {
  max-width: 600px;
  width: 100%;
}

.chat-input-row {
  position: relative;
  display: flex;
  align-items: center;
}

#chat-input {
  width: 100%;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 3.5rem 0.75rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-family: inherit;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

#chat-input:focus {
  outline: none;
  border-color: var(--accent-teal);
}

.photo-upload-label {
  position: absolute;
  right: 1.25rem;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.2s;
}

.photo-upload-label:hover {
  transform: scale(1.1);
}

/* Bottom navigation buttons */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
  height: calc(65px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 900;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.03);
}

.nav-item {
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  flex: 1;
  height: 100%;
  transition: color 0.3s ease;
}

.nav-item .icon-wrap {
  font-size: 1.3rem;
  margin-bottom: 2px;
  transition: transform 0.2s;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

.nav-item .label {
  font-size: 0.7rem;
  font-weight: 600;
}

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

.nav-item.active .icon-wrap {
  background-color: #f1f5f9;
}

body.dark .nav-item.active .icon-wrap {
  background-color: #334155;
}

.nav-item:hover .icon-wrap {
  transform: translateY(-2px);
}

/* Chatbox Above Bottom Bar (Minimized behind the scenes) */
.chatbox {
  position: fixed;
  bottom: 140px;
  right: 1.5rem;
  width: 320px;
  height: 400px;
  z-index: 850;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
}

.chatbox.minimized {
  height: 0;
  border: none;
  pointer-events: none;
}

/* ── DIET PLANNER VIEW STYLES ── */
.suggestion-chips-container {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.2rem 0;
  scrollbar-width: none;
}

.suggestion-chips-container::-webkit-scrollbar {
  display: none;
}

.chip-btn {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--card-shadow);
  transition: all 0.2s;
}

.chip-btn:hover {
  border-color: var(--accent-teal);
  background-color: var(--accent-teal-bg);
  color: var(--accent-teal);
}

body.dark .chip-btn:hover {
  background-color: rgba(13, 148, 136, 0.15);
}

.diet-chatbox-card {
  display: flex;
  flex-direction: column;
  height: 480px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
}

.chat-logs-display {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message-bubble {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.4;
  animation: fadeIn 0.3s ease-out;
}

.message-bubble.bot {
  align-self: flex-start;
  background-color: var(--bg-color);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--border-color);
}

.message-bubble.user {
  align-self: flex-end;
  background: var(--accent-orange-grad);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-composer-row {
  display: flex;
  padding: 0.75rem 1rem;
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-color);
  gap: 0.75rem;
}

#diet-chat-input {
  flex: 1;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: inherit;
}

#diet-chat-input:focus {
  outline: none;
  border-color: var(--accent-teal);
}

.btn-send-diet {
  background: var(--accent-teal);
  color: #fff;
  border: none;
  font-weight: 700;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-send-diet:hover {
  opacity: 0.9;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── INSIGHTS VIEW STYLES ── */
.streak-card {
  background-color: var(--card-bg);
}

.streak-body {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.streak-emoji {
  font-size: 2rem;
}

.streak-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.streak-text h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.streak-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.chart-card {
  background-color: var(--card-bg);
}

.chart-container {
  margin-top: 1rem;
  height: 160px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.chart-bars {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  width: 100%;
  height: 100%;
  padding-top: 10px;
}

.chart-bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  height: 100%;
  justify-content: flex-end;
  gap: 0.5rem;
}

.bar-fill {
  width: 14px;
  background-color: var(--border-color);
  border-radius: 4px;
  transition: height 0.5s ease;
  min-height: 5px;
}

.chart-bar-col.active .bar-fill {
  background: var(--accent-orange-grad);
}

.day-lbl {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.weekly-metrics-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.w-metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.5rem;
}

.w-metric-row:last-child {
  border: none;
}

.bold {
  font-weight: 700;
  color: var(--text-primary);
}

.color-teal {
  color: var(--accent-teal);
}

/* ── ALERTS VIEW STYLES ── */
.alerts-list-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.alert-item-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
}

.alert-icon {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--bg-color);
}

body.dark .alert-icon {
  background-color: rgba(255, 255, 255, 0.05);
}

.alert-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.alert-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.alert-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.time-stamp {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ── PROFILE VIEW STYLES ── */
.user-profile-card {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.profile-avatar-wrap {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
}

body.dark .profile-avatar-wrap {
  background-color: rgba(255, 255, 255, 0.05);
}

.avatar-icon {
  font-size: 2rem;
}

.profile-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.profile-details h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.profile-details p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.expired-badge {
  background-color: var(--danger-color);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  width: max-content;
  margin-top: 0.25rem;
}

.metrics-form-card {
  padding: 1.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.field-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  border-radius: 12px;
}

body.dark .field-col {
  background-color: rgba(255, 255, 255, 0.02);
}

.field-col .label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.field-col .value-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-save-profile {
  width: 100%;
  background-color: var(--accent-teal);
  color: #fff;
  border: none;
  padding: 0.75rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-save-profile:hover {
  opacity: 0.9;
}

.btn-logout {
  background-color: transparent;
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
  padding: 0.6rem 1.5rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-logout:hover {
  background-color: var(--danger-color);
  color: #fff;
}

.profile-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  width: 100%;
  padding: 0.25rem 0;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
}

.profile-input:not(:disabled) {
  border-bottom-color: var(--accent-teal);
  background-color: rgba(13, 148, 136, 0.05);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
}

select.profile-input {
  cursor: pointer;
}

select.profile-input:disabled {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

/* Floating Action Button */
.diet-fab {
  position: fixed;
  bottom: calc(85px + env(safe-area-inset-bottom, 0px)); /* Right above bottom tab bar */
  right: 1.5rem;
  background: var(--accent-teal);
  color: #fff;
  border: none;
  border-radius: 9999px;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
  cursor: pointer;
  z-index: 950;
  transition: all 0.2s ease;
}

.diet-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(13, 148, 136, 0.4);
}

/* Chat Overlay Modal */
.diet-chat-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: flex-end; /* Slides up from bottom */
  justify-content: center;
}

.diet-chat-modal-content {
  background-color: var(--card-bg);
  width: 100%;
  max-width: 600px;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  border: 1px solid var(--border-color);
  border-bottom: none;
  display: flex;
  flex-direction: column;
  height: 70vh; /* Adjust height */
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.chat-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.chat-modal-header h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
}

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

/* ── HAMBURGER MENU BUTTON ── */
.menu-toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  padding: 0;
  z-index: 101;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ── NAVIGATION DRAWER ── */
.nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1500;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0.3s;
}

.nav-drawer.open {
  pointer-events: auto;
  visibility: visible;
}

.drawer-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-drawer.open .drawer-backdrop {
  opacity: 1;
}

.drawer-content {
  position: absolute;
  top: 0;
  right: -300px;
  left: auto;
  width: 300px;
  height: 100%;
  background-color: var(--card-bg);
  box-shadow: -4px 0 25px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1502;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.nav-drawer.open .drawer-content {
  transform: translateX(-300px);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(1.25rem + env(safe-area-inset-top, 0px)) 1.25rem 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.drawer-logo-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.drawer-close-btn {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.drawer-section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

.drawer-theme-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  background-color: var(--bg-color);
  border: 1.5px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
  text-align: left;
}

.drawer-theme-btn:hover {
  border-color: var(--accent-teal);
  background-color: var(--accent-teal-bg);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.drawer-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.88rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.drawer-nav-item:hover {
  background-color: var(--bg-color);
  color: var(--accent-teal);
}

.drawer-nav-item .nav-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.drawer-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.drawer-logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background-color: rgba(239, 68, 68, 0.08);
  border: 1.5px solid rgba(239, 68, 68, 0.2);
  color: var(--danger-color);
  padding: 0.7rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.drawer-logout-btn:hover {
  background-color: var(--danger-color);
  color: #fff;
}