/* ── Fonts ── */
:root {
  --font-display: "DM Serif Display", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --radius-lg: 16px;
  --radius-md: 10px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
}

body {
  font-family: var(--font-body);
}

/* ── App Header ── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 2rem 0 1.5rem;
}
.app-title {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.app-icon {
  font-size: 2.2rem;
  line-height: 1;
}
.app-title h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1.1;
}
.tagline {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.55;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}
.discord-link {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.65;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: inherit;
  transition: opacity 0.2s;
}
.discord-link:hover {
  opacity: 1;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

/* ── Unit Toggle ── */
.unit-toggle {
  display: inline-flex;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: 8px;
  overflow: hidden;
}
.unit-btn {
  padding: 0.35rem 0.85rem;
  margin: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--pico-muted-color);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.03em;
}
.unit-btn:first-child {
  border-right: 1px solid var(--pico-muted-border-color);
}
.unit-btn.active {
  background: var(--pico-primary-background);
  color: #fff;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}
.unit-btn:not(.active):hover {
  background: var(--pico-muted-border-color);
  color: var(--pico-color);
}
.unit-btn:focus {
  outline: 2px solid var(--pico-primary-border);
  outline-offset: -2px;
}

/* ── Cards ── */
.setup-card,
.entry-card {
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}
.setup-card header,
.entry-card header {
  font-size: 0.95rem;
  font-weight: 600;
}
.setup-card form button[type="submit"] {
  margin-bottom: 0;
}

.entry-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}
.entry-row input {
  flex: 1;
  margin-bottom: 0;
  transition: border-color var(--transition-fast);
}
.entry-row input:focus {
  border-color: var(--pico-primary-border);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}
.entry-row button {
  margin-bottom: 0;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.entry-row button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ── Stats Grid ── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--pico-muted-border-color);
  background: var(--pico-card-background-color);
  transition:
    all var(--transition-fast),
    box-shadow var(--transition-normal);
  cursor: default;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
  border-color: var(--pico-primary-border);
}
.stat-card small {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.55;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.stat-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.1;
}

/* ── Progress ── */
.progress-section {
  margin-bottom: 1.5rem;
}
.progress-section.goal-achieved progress {
  background: linear-gradient(
    90deg,
    var(--pico-primary-background),
    var(--pico-ins-color)
  );
}
.progress-section.goal-achieved .percent-badge {
  background: var(--pico-ins-color);
  animation: celebrate 0.6s ease;
}
@keyframes celebrate {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}
.progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}
.progress-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}
.percent-badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: var(--pico-primary-background);
  color: #fff;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
progress {
  width: 100%;
  height: 0.75rem;
  border-radius: 20px;
  margin-bottom: 0.35rem;
  transition: all var(--transition-slow);
}
progress::-webkit-progress-bar {
  background: var(--pico-progress-background-color);
  border-radius: 20px;
}
progress::-webkit-progress-value {
  background: var(--pico-primary-background);
  border-radius: 20px;
  transition: width var(--transition-slow);
}
progress::-moz-progress-bar {
  background: var(--pico-primary-background);
  border-radius: 20px;
  transition: width var(--transition-slow);
}
.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  opacity: 0.5;
}

/* ── Data Section ── */
.data-section {
  margin-bottom: 1.5rem;
}
.data-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.data-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}
.data-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.small-btn {
  padding: 0.35rem 0.85rem !important;
  font-size: 0.82rem !important;
  margin-bottom: 0 !important;
  cursor: pointer;
}
.import-label {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--pico-secondary-border, #ccc);
  border-radius: var(--pico-border-radius);
  color: var(--pico-secondary);
  background: transparent;
  transition: background-color 0.2s;
  line-height: 1.5;
}
.import-label:hover {
  background: var(--pico-secondary-hover-background);
  color: var(--pico-secondary-inverse);
}

/* ── Toast ── */
.toast {
  font-size: 0.85rem;
  min-height: 1.5em;
  opacity: 0;
  transition: all var(--transition-normal);
  color: var(--pico-ins-color);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--pico-card-background-color);
  border: 1px solid var(--pico-muted-border-color);
  box-shadow: var(--shadow-sm);
  transform: translateY(10px);
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── History ── */
.history-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.history-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--radius-md);
  background: var(--pico-card-background-color);
  animation: slideIn var(--transition-normal);
  transition: all var(--transition-fast);
}
.history-entry:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.history-entry .entry-date {
  font-size: 0.8rem;
  opacity: 0.55;
}
.history-entry .entry-weight {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
}
.history-entry .entry-delta {
  font-size: 0.78rem;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-weight: 600;
}
.delta-down {
  background: rgba(39, 152, 118, 0.12);
  color: var(--pico-ins-color);
}
.delta-up {
  background: rgba(200, 79, 72, 0.12);
  color: var(--pico-del-color);
}
.delta-same {
  background: var(--pico-muted-border-color);
  opacity: 0.6;
}

.entry-delete {
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.3;
  padding: 0 0.2rem;
  margin: 0;
  font-size: 0.85rem;
  transition: opacity 0.2s;
  width: auto;
}
.entry-delete:hover {
  opacity: 0.8;
}

.empty-state {
  opacity: 0.45;
  font-size: 0.9rem;
  text-align: center;
  padding: 2rem 0;
}

/* ── Footer ── */
.app-footer {
  text-align: center;
  padding: 2rem 0 1.5rem;
  opacity: 0.55;
}
.app-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ══════════════════════════════════════════════════════
   ── Calories Section ──
   ══════════════════════════════════════════════════════ */

.cal-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

/* Goal input row */
.cal-goal-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cal-goal-input {
  width: 150px !important;
  margin: 0 !important;
  font-size: 0.88rem !important;
}

/* Calorie stat cards */
.cal-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}
.cal-stat {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--pico-muted-border-color);
  background: var(--pico-card-background-color);
  transition: transform 0.15s ease;
}
.cal-stat:hover {
  transform: translateY(-2px);
}
.cal-stat small {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.55;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.cal-stat h2 {
  margin: 0 0 0.1rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.1;
}
.cal-unit {
  font-size: 0.7rem;
  opacity: 0.5;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Colour accents per card */
.burned-stat h2 {
  color: var(--pico-ins-color);
}
.net-stat h2 {
  color: var(--pico-primary);
}
.remaining-stat h2 {
  color: var(--pico-color);
}

/* Calorie progress bar (custom, not <progress>) */
.calorie-bar-wrap {
  margin-bottom: 1.25rem;
}
.calorie-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}
.calorie-bar-label-text {
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0.75;
}
.calorie-track-outer {
  width: 100%;
  height: 10px;
  border-radius: 20px;
  background: var(--pico-progress-background-color);
  overflow: hidden;
  margin-bottom: 0.35rem;
}
.calorie-track-fill {
  height: 100%;
  border-radius: 20px;
  background: var(--pico-primary-background);
  width: 0%;
  transition:
    width var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1),
    background-color var(--transition-normal);
}
.calorie-track-fill.over-goal {
  background: var(--pico-del-color);
}
.calorie-track-fill.goal-celebrated {
  background: linear-gradient(
    90deg,
    var(--pico-primary-background),
    var(--pico-ins-color)
  );
  animation: celebrate 0.6s ease;
}

/* Food search */
.food-search-wrap {
  margin-bottom: 0.75rem;
}

.food-results {
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--radius-md);
  background: var(--pico-card-background-color);
  max-height: 230px;
  overflow-y: auto;
  margin-top: 0.4rem;
  box-shadow: var(--shadow-sm);
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.food-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
  border-bottom: 1px solid var(--pico-muted-border-color);
  transition: all var(--transition-fast);
}
.food-result-item:last-child {
  border-bottom: none;
}
.food-result-item:hover,
.food-result-item:focus {
  background: var(--pico-form-element-background-color);
  outline: none;
  transform: translateX(2px);
}
.food-result-name {
  font-size: 0.86rem;
  font-weight: 500;
  flex: 1;
}
.food-result-kcal {
  font-size: 0.76rem;
  opacity: 0.55;
  white-space: nowrap;
}

.food-result-empty {
  padding: 0.9rem 1rem;
  font-size: 0.85rem;
  opacity: 0.55;
  text-align: center;
}

/* Food entry panel */
.food-entry-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--pico-primary-background);
  border-radius: var(--radius-md);
  background: var(--pico-card-background-color);
  margin-bottom: 0.75rem;
  animation: slideIn var(--transition-normal);
  box-shadow: var(--shadow-sm);
}
.food-entry-name {
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0.85;
  line-height: 1.3;
}
.food-entry-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.kcal-calc-preview {
  font-family: var(--font-display);
  font-size: 1rem;
  min-width: 70px;
  color: var(--pico-primary);
  font-weight: 600;
}

/* Today's log rows (food & workout shared) */
.today-log,
.cal-log {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.log-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--radius-md);
  background: var(--pico-card-background-color);
  animation: slideIn var(--transition-normal);
  transition: all var(--transition-fast);
}
.log-row:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.log-row-name {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 500;
}
.log-row-detail {
  font-size: 0.76rem;
  opacity: 0.5;
  white-space: nowrap;
}
.log-row-kcal {
  font-family: var(--font-display);
  font-size: 1rem;
  white-space: nowrap;
}
.log-row-kcal.burned-kcal {
  color: var(--pico-ins-color);
}

/* ══════════════════════════════════════════════════════
   ── Workout Section ──
   ══════════════════════════════════════════════════════ */

.workout-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.workout-form {
  margin-bottom: 0.75rem;
}

.workout-inputs {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}
.workout-inputs select,
.workout-inputs input {
  margin: 0;
}

@media (max-width: 600px) {
  .workout-inputs {
    grid-template-columns: 1fr 1fr;
  }
  .workout-inputs select {
    grid-column: 1 / -1;
  }
}

.workout-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.workout-kcal-preview {
  font-size: 0.8rem;
  opacity: 0.65;
  flex: 1;
  min-width: 160px;
}

/* Responsive tweaks */
@media (max-width: 480px) {
  .cal-goal-wrap {
    flex-wrap: wrap;
  }
  .cal-goal-input {
    width: 100% !important;
  }

  .food-entry-controls {
    gap: 0.4rem;
  }

  .cal-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}