/* =============================================
   MacroLog — Dark Mode + Neon Styles
   ============================================= */

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

:root {
  --color-primary:       #39FF14;
  --color-bg:            #0a0a0f;
  --color-surface:       #111118;
  --color-surface-alt:   #18181f;
  --color-protein:       #00F5FF;
  --color-carbs:         #FFE600;
  --color-fats:          #FF2D78;
  --color-text:          #E8E8F0;
  --color-text-muted:    #6b6b80;
  --color-border:        #1e1e2a;
  --color-border-bright: #2a2a3a;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  --nav-height: 60px;

  --color-water:   #00B4FF;
  --glow-primary:  0 0 12px rgba(57, 255, 20, 0.45);
  --glow-protein:  0 0 12px rgba(0, 245, 255, 0.45);
  --glow-carbs:    0 0 12px rgba(255, 230, 0, 0.45);
  --glow-fats:     0 0 12px rgba(255, 45, 120, 0.45);
  --glow-water:    0 0 12px rgba(0, 180, 255, 0.5);
}

/* =============================================
   Base
   ============================================= */

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* =============================================
   Navigation
   ============================================= */

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-bright);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.6);
}

.nav-brand {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: var(--glow-primary);
}


.nav-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

/* =============================================
   Main Content
   ============================================= */

.main-content {
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 3rem;
  padding-left: 1rem;
  padding-right: 1rem;
  max-width: 720px;
  margin: 0 auto;
}

/* =============================================
   Sections
   ============================================= */

.section {
  margin-bottom: 3rem;
}

/* Hero logo above dashboard */
.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.hero-logo__img {
  width: 180px;
  height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(57, 255, 20, 0.35));
}

.hero-credit {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.3px;
}

.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.section-date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* =============================================
   Macro Progress Rings
   ============================================= */

.macro-rings {
  display: flex;
  gap: 1rem;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.macro-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 120px;
  max-width: 160px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-bright);
  border-radius: 12px;
  padding: 1rem 0.75rem;
}

.macro-card--protein { border-color: rgba(0, 245, 255, 0.25); }
.macro-card--carbs   { border-color: rgba(255, 230, 0, 0.25); }
.macro-card--fats    { border-color: rgba(255, 45, 120, 0.25); }

.ring {
  width: 100px;
  height: 100px;
  transform: rotate(-90deg);
  filter: drop-shadow(0 0 6px currentColor);
}

.ring__track {
  fill: none;
  stroke: var(--color-border-bright);
  stroke-width: 10;
}

.ring__fill {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dasharray 0.4s ease;
}

.ring__fill--protein {
  stroke: var(--color-protein);
  filter: drop-shadow(0 0 4px var(--color-protein));
}
.ring__fill--carbs {
  stroke: var(--color-carbs);
  filter: drop-shadow(0 0 4px var(--color-carbs));
}
.ring__fill--fats {
  stroke: var(--color-fats);
  filter: drop-shadow(0 0 4px var(--color-fats));
}

.macro-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
}

.macro-letter {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.macro-card--protein .macro-letter { color: var(--color-protein); text-shadow: var(--glow-protein); }
.macro-card--carbs   .macro-letter { color: var(--color-carbs);   text-shadow: var(--glow-carbs); }
.macro-card--fats    .macro-letter { color: var(--color-fats);    text-shadow: var(--glow-fats); }

.macro-value {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
}

.macro-unit {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.macro-target {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* =============================================
   Calorie Summary
   ============================================= */

.calorie-summary {
  background-color: var(--color-surface);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  box-shadow: inset 0 0 30px rgba(57,255,20,0.03);
}

.calorie-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  flex: 1;
}

.calorie-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

.calorie-target {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* =============================================
   Water Tracker
   ============================================= */

.water-card {
  background-color: var(--color-surface);
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: 10px;
  padding: 1.25rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.water-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.water-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-water);
  text-shadow: var(--glow-water);
  letter-spacing: 0.3px;
}

.water-display {
  font-family: var(--font-mono);
}

.water-value {
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-water);
  text-shadow: var(--glow-water);
}

.water-unit {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.water-bar-track {
  position: relative;
  height: 18px;
  background-color: var(--color-border-bright);
  border-radius: 100px;
  overflow: hidden;
}

.water-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0070cc, #00B4FF, #66d9ff);
  border-radius: 100px;
  box-shadow: 0 0 10px rgba(0, 180, 255, 0.55);
  transition: width 0.35s ease;
}

.water-bar-pct {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text);
  pointer-events: none;
}

.water-glasses {
  text-align: center;
}

.water-glasses-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.water-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.water-btn {
  background-color: transparent;
  color: var(--color-water);
  border: 1.5px solid rgba(0, 180, 255, 0.5);
  border-radius: 6px;
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
}

.water-btn:hover {
  background-color: rgba(0, 180, 255, 0.1);
  box-shadow: 0 0 10px rgba(0, 180, 255, 0.4);
}

.water-btn:active {
  transform: scale(0.97);
}

.water-btn--custom {
  color: var(--color-text-muted);
  border-color: var(--color-border-bright);
}

.water-btn--custom:hover {
  color: var(--color-water);
  border-color: rgba(0, 180, 255, 0.5);
  background-color: rgba(0, 180, 255, 0.07);
  box-shadow: none;
}

.water-btn--reset {
  color: var(--color-text-muted);
  border-color: var(--color-border-bright);
  margin-left: auto;
}

.water-btn--reset:hover {
  color: var(--color-fats);
  border-color: rgba(255, 45, 120, 0.4);
  background-color: rgba(255, 45, 120, 0.07);
  box-shadow: none;
}

.water-custom-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.water-custom-input {
  max-width: 120px;
}

/* =============================================
   Entry Form
   ============================================= */

.entry-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-bright);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 480px) {
  .form-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.form-input {
  border: 1px solid var(--color-border-bright);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-surface-alt);
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.15), var(--glow-primary);
}

.form-input--mono {
  font-family: var(--font-mono);
}

.btn-submit {
  align-self: flex-start;
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: 6px;
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
  box-shadow: var(--glow-primary);
}

.btn-submit:hover {
  background-color: rgba(57, 255, 20, 0.12);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.6);
}

.btn-submit:active {
  transform: scale(0.98);
}

/* =============================================
   History Table
   ============================================= */

.table-wrapper {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--color-border-bright);
  background-color: var(--color-surface);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.history-table thead {
  background-color: var(--color-surface-alt);
  border-bottom: 1px solid rgba(57, 255, 20, 0.2);
}

.history-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

.history-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.history-table tbody tr:last-child td {
  border-bottom: none;
}

.history-table tbody tr:hover {
  background-color: rgba(57, 255, 20, 0.04);
}

.mono {
  font-family: var(--font-mono);
}

.history-empty {
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* =============================================
   App Footer
   ============================================= */

.app-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  max-width: 720px;
  margin: 0 auto;
}

.app-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.app-footer a:hover { color: var(--color-primary); }

.app-footer__sep { opacity: 0.4; }