/* ============================================
   LIFE APP — life.twcandor.com
   E-ink friendly: high contrast, no gradients,
   crisp typography, minimal decoration
   ============================================ */

:root {
  --ink: #0a0a0a;
  --ink-2: #2a2a2a;
  --ink-3: #555;
  --ink-4: #888;
  --paper: #f8f6f0;
  --paper-2: #ede9df;
  --paper-3: #e0dbd0;
  --accent: #1a472a;        /* deep forest green */
  --accent-2: #c8440a;      /* terracotta */
  --accent-3: #4a6fa5;      /* slate blue */
  --warn: #b5390a;
  --border: #c8c4b8;
  --border-strong: #888;
  --radius: 3px;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --max-w: 900px;
}

/* E-ink media query: disable all transitions/animations */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

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

html { font-size: 16px; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- NAV ---- */
#nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-mono);
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  padding: 0.6rem 1.2rem;
  border-right: 1px solid #333;
  white-space: nowrap;
  color: var(--paper);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  overflow-x: auto;
}

.nav-btn {
  background: none;
  border: none;
  border-right: 1px solid #333;
  color: #aaa;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.nav-btn:hover { background: #1a1a1a; color: var(--paper); }
.nav-btn.active { background: var(--accent); color: #fff; }

#nav-toggle {
  display: none;
  background: none; border: none;
  color: var(--paper); font-size: 1.2rem;
  padding: 0.6rem 1rem; cursor: pointer;
  margin-left: auto;
}

/* ---- LAYOUT ---- */
#main-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ---- TYPOGRAPHY ---- */
h1 { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 400; margin-bottom: 0.3rem; }
h2 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 400; margin-bottom: 0.5rem; }
h3 { font-family: var(--font-sans); font-size: 1rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.4rem; color: var(--ink-2); }
h4 { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 0.3rem; }
p { margin-bottom: 0.75rem; }

/* ---- CARDS ---- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.card-accent { border-left: 3px solid var(--accent); }
.card-terracotta { border-left: 3px solid var(--accent-2); }
.card-blue { border-left: 3px solid var(--accent-3); }

/* ---- GRID ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }

/* ---- BUTTONS ---- */
.btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
  border: 1.5px solid var(--ink);
  background: none;
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.12s, color 0.12s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #0f3019; }
.btn-danger { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn-danger:hover { background: #8a2a05; }
.btn-ghost { border-color: var(--border); color: var(--ink-3); }
.btn-ghost:hover { background: var(--paper-2); color: var(--ink); }
.btn-lg { font-size: 1rem; padding: 0.85rem 1.8rem; }
.btn-sm { font-size: 0.68rem; padding: 0.35rem 0.7rem; }

/* ---- FORMS ---- */
label { display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 0.25rem; }
input, select, textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.55rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  outline: none;
  margin-bottom: 1rem;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ---- TAGS / BADGES ---- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  color: var(--ink-2);
  margin: 0.1rem;
}
.tag-green { border-color: var(--accent); color: var(--accent); }
.tag-orange { border-color: var(--accent-2); color: var(--accent-2); }
.tag-blue { border-color: var(--accent-3); color: var(--accent-3); }

/* ---- DIVIDER ---- */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

/* ---- STAT BLOCK ---- */
.stat { text-align: center; }
.stat-num { font-family: var(--font-serif); font-size: 2.4rem; line-height: 1; }
.stat-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-4); }

/* ---- PROGRESS BAR ---- */
.progress-bar {
  height: 6px;
  background: var(--paper-3);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.4rem 0;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s;
}

/* ========================
   DASHBOARD VIEW
   ======================== */
.dashboard-header { margin-bottom: 2rem; }
.dashboard-header h1 { font-size: 2.8rem; }
.date-line { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-4); letter-spacing: 0.1em; }

/* ========================
   MEALS VIEW
   ======================== */
.meal-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  transition: border-color 0.15s;
}
.meal-card:hover { border-color: var(--accent); }
.meal-card.selected { border-color: var(--accent); border-width: 2px; background: #f0f7f2; }
.meal-name { font-family: var(--font-serif); font-size: 1.15rem; margin-bottom: 0.25rem; }
.meal-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-4); }
.meal-macros { display: flex; gap: 1rem; margin-top: 0.5rem; }
.macro { font-family: var(--font-mono); font-size: 0.72rem; }
.macro span { font-weight: 500; color: var(--ink); }
.filter-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; align-items: center; }
.filter-btn {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 0.3rem 0.7rem;
  border: 1px solid var(--border); background: none; cursor: pointer;
  border-radius: var(--radius); color: var(--ink-3); transition: all 0.12s;
}
.filter-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ========================
   PLANNER VIEW
   ======================== */
.day-planner { margin-bottom: 1.5rem; }
.day-header { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; background: var(--ink); color: var(--paper); padding: 0.4rem 0.75rem; }
.meal-slot { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--paper-3); background: #fff; }
.slot-label { font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; color: var(--ink-4); width: 65px; flex-shrink: 0; }
.slot-meal { flex: 1; font-size: 0.9rem; }
.slot-cal { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }
.calorie-tracker { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1.5rem; }
.calorie-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; }

/* ========================
   PANTRY VIEW
   ======================== */
.pantry-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--paper-3);
  background: #fff;
}
.pantry-check { width: 16px; height: 16px; cursor: pointer; }
.pantry-name { flex: 1; font-size: 0.9rem; }
.pantry-qty { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-4); }
.pantry-actions { display: flex; gap: 0.3rem; }

/* ========================
   SHOPPING LIST
   ======================== */
.shopping-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--paper-3);
  background: #fff;
}
.shop-check { width: 18px; height: 18px; cursor: pointer; accent-color: var(--accent); }
.shop-name { flex: 1; }
.shop-qty { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-3); }
.shopping-item.checked .shop-name { text-decoration: line-through; color: var(--ink-4); }
.category-group { margin-bottom: 1.25rem; }

/* ========================
   BREATHWORK VIEW
   ======================== */
.breathwork-container { max-width: 580px; margin: 0 auto; text-align: center; }
.bw-state-display {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  margin: 1.5rem 0 0.5rem;
  letter-spacing: -0.01em;
  min-height: 80px;
  line-height: 1.1;
}
.bw-sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 1.5rem;
  min-height: 1.5rem;
}
.bw-breath-counter {
  font-family: var(--font-mono);
  font-size: 4rem;
  color: var(--ink);
  margin: 0.5rem 0;
}
.bw-round-indicator { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-4); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 2rem; }
.bw-controls { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin: 1.5rem 0; }
.bw-hold-timer {
  font-family: var(--font-serif);
  font-size: 5rem;
  letter-spacing: -0.03em;
  margin: 1rem 0;
}
.bw-hold-sub { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-4); text-transform: uppercase; letter-spacing: 0.1em; }
.bw-settings { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem; text-align: left; }
.bw-settings .form-row { margin-bottom: 0; }
.bw-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; margin-top: 2rem; text-align: center; }
.bw-stat-val { font-family: var(--font-serif); font-size: 2rem; }
.bw-stat-label { font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-4); }
.bw-history { margin-top: 2rem; }
.bw-history-row { display: flex; justify-content: space-between; padding: 0.4rem 0; border-bottom: 1px solid var(--paper-3); font-family: var(--font-mono); font-size: 0.78rem; }
.pulse-ring {
  width: 120px; height: 120px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.pulse-inner {
  width: 80px; height: 80px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 3s ease-in-out;
}
.pulse-inner.expand { transform: scale(1.3); }
.pulse-inner.contract { transform: scale(0.7); }

/* ========================
   GOALS VIEW
   ======================== */
.goals-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.calorie-mode-btn {
  padding: 1rem; text-align: center; border: 1.5px solid var(--border);
  border-radius: var(--radius); cursor: pointer; transition: all 0.15s; background: #fff;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
}
.calorie-mode-btn.active { border-color: var(--accent); background: #f0f7f2; }
.calorie-mode-btn .mode-icon { font-size: 1.5rem; display: block; margin-bottom: 0.4rem; }
.calorie-mode-btn .mode-cal { font-family: var(--font-serif); font-size: 1.5rem; color: var(--ink); display: block; }

/* ========================
   MEAL DETAIL MODAL
   ======================== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 1rem;
}
.modal {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  max-width: 560px; width: 100%;
  max-height: 85vh; overflow-y: auto;
  padding: 1.5rem;
}
.modal-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.modal-close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--ink-3); }

/* ========================
   NOTIFICATIONS
   ======================== */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--ink); color: var(--paper);
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.05em; padding: 0.75rem 1.25rem;
  border-radius: var(--radius); z-index: 300;
  animation: slideUp 0.2s ease;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 640px) {
  #nav-toggle { display: block; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--ink); z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-btn { border-right: none; border-bottom: 1px solid #333; text-align: left; padding: 0.85rem 1.2rem; }
  .grid-2, .grid-3, .goals-grid { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }
  .bw-hold-timer { font-size: 3.5rem; }
  .bw-state-display { font-size: 2.5rem; }
  h1 { font-size: 1.8rem; }
  .form-row { grid-template-columns: 1fr; }
  .bw-stats { grid-template-columns: 1fr; }
}

/* ========================
   E-INK SPECIFIC
   ======================== */
@media (monochrome) {
  :root {
    --accent: #000;
    --accent-2: #000;
    --accent-3: #000;
    --border: #000;
    --paper-2: #ddd;
    --paper-3: #ccc;
  }
  .btn-primary, .nav-btn.active { background: #000; }
  .tag-green, .tag-orange, .tag-blue { color: #000; border-color: #000; }
  * { box-shadow: none !important; }
}

/* Print / e-ink: force high contrast */
@media print {
  #nav { display: none; }
  .btn { border: 1px solid #000; }
}