:root {
  --bg:      #0D1B12;
  --card:    #132019;
  --card2:   #1A2B20;
  --border:  #243D2C;
  --done:    #27AE60;
  --primary: #1ABC9C;
  --text:    #E8F5E9;
  --text2:   #6B9A78;
  --text3:   #3D6B4A;
  --danger:  #E74C3C;
  --radius:  12px;
}

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

body {
  font-family: -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 13px;
  -webkit-tap-highlight-color: transparent;
}

/* ─── HEADER ─────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 48px;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  padding-top: env(safe-area-inset-top);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.header h1 { font-size: 15px; font-weight: 700; letter-spacing: .03em; color: var(--primary); }
.header-right { display: flex; align-items: center; gap: 10px; }
.header-date { font-size: 12px; color: var(--text2); }
.header-user { font-size: 12px; color: var(--text2); }
.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text3);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ─── MAIN ───────────────────────────────────── */
.main {
  padding-top: calc(48px + env(safe-area-inset-top) + 14px);
  padding-bottom: calc(56px + env(safe-area-inset-bottom) + 14px);
  padding-left: 16px;
  padding-right: 16px;
}

/* ─── TOP ROW (progress + water side by side) ─── */
.top-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

/* ─── PROGRESS CARD ──────────────────────────── */
.progress-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.ring-wrap { flex-shrink: 0; position: relative; width: 60px; height: 60px; }
.ring-wrap svg { transform: rotate(-90deg); }
.ring-bg   { fill: none; stroke: var(--border); stroke-width: 5; }
.ring-fill { fill: none; stroke: var(--primary); stroke-width: 5; stroke-linecap: round; transition: stroke-dashoffset .4s ease; }
.ring-label {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; line-height: 1;
}
.ring-label span { font-size: 9px; color: var(--text2); font-weight: 400; }

.progress-info { flex: 1; min-width: 0; }
.progress-info h2 { font-size: 12px; font-weight: 600; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.macro-summary { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.ms-item { display: flex; flex-direction: column; align-items: center; line-height: 1.3; }
.ms-item b     { font-size: 12px; font-weight: 700; }
.ms-item small { font-size: 9px; color: var(--text2); }
.ms-item.kcal b  { color: #E67E22; }
.ms-item.pro b   { color: var(--primary); }
.ms-item.carb b  { color: #3498DB; }
.ms-item.fat b   { color: #9B59B6; }

.day-total { font-size: 10px; color: var(--text3); }

/* ─── WATER TRACKER ──────────────────────────── */
.water-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 10px;
}

.water-segments { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; }

.water-seg {
  width: 22px; height: 22px;
  border-radius: 5px;
  border: 1.5px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: background .12s, border-color .12s, transform .08s;
  -webkit-appearance: none;
}
.water-seg.filled { background: var(--primary); border-color: var(--primary); }
.water-seg:active { transform: scale(.85); }

.water-goal-done .water-seg.filled { animation: pop .35s ease; }
@keyframes pop { 0%{transform:scale(1)} 45%{transform:scale(1.2)} 75%{transform:scale(.92)} 100%{transform:scale(1)} }

.water-label { font-size: 11px; color: var(--text2); }
.water-label strong { color: var(--text); font-size: 12px; }

/* ─── MEAL GRID ──────────────────────────────── */
.meals-section {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

@media (max-width: 600px) { .meals-section { grid-template-columns: 1fr; } }

/* ─── MEAL CARD ──────────────────────────────── */
.meal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 13px;
  transition: border-color .2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meal-card.done { border-left-color: var(--done); background: var(--card2); }

.meal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; }
.meal-meta { display: flex; flex-direction: column; gap: 1px; }
.meal-time  { font-size: 11px; color: var(--text3); }
.meal-name  { font-size: 15px; font-weight: 600; }

.check-icon {
  width: 22px; height: 22px; flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: none;
  display: flex; align-items: center; justify-content: center;
  color: transparent; font-size: 11px;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s, transform .1s;
}
.check-icon:hover { border-color: var(--done); }
.check-icon:active { transform: scale(.88); }
.meal-card.done .check-icon { background: var(--done); border-color: var(--done); color: #fff; }

/* Choice tabs */
.alt-tabs { display: flex; gap: 5px; }
.alt-tab {
  flex: 1; padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  font-size: 11px; font-weight: 500;
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
}
.alt-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Macro bar */
.meal-macros { display: flex; gap: 5px; flex-wrap: wrap; }
.mm {
  font-size: 11px; padding: 2px 7px;
  border-radius: 8px; font-weight: 600;
}
.mm.kcal { background: rgba(230,126,34,.12); color: #E67E22; }
.mm.pro  { background: rgba(26,188,156,.12); color: var(--primary); }
.mm.carb { background: rgba(52,152,219,.12); color: #3498DB; }
.mm.fat  { background: rgba(155,89,182,.12); color: #9B59B6; }

/* Food chips */
.food-items { display: flex; flex-wrap: wrap; gap: 4px; }
.food-chip {
  background: rgba(26,188,156,.06);
  border: 1px solid rgba(26,188,156,.15);
  color: var(--text2);
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 14px;
  line-height: 1.5;
}
.chip-macros { color: var(--text3); font-size: 11px; margin-left: 2px; }

/* Action row */
.btn-done {
  width: 100%; height: 32px;
  border-radius: 7px; border: none;
  background: var(--primary);
  color: #fff;
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: opacity .12s, transform .08s;
  margin-top: auto;
}
.btn-done:active { transform: scale(.97); opacity: .8; }

.done-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.done-label { font-size: 12px; font-weight: 600; color: var(--done); }
.btn-undo {
  background: none; border: none;
  color: var(--text3); font-size: 11px;
  cursor: pointer; text-decoration: underline;
}

/* ─── FOOTER ─────────────────────────────────── */
.footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  padding: 8px 16px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  background: var(--card);
  border-top: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between; gap: 8px;
  z-index: 100;
}

.footer-count { font-size: 12px; color: var(--text2); }
.footer-count strong { color: var(--text); }
.footer-actions { display: flex; gap: 6px; }

.btn-export, .btn-reset {
  padding: 5px 11px;
  border-radius: 6px; font-size: 11px;
  font-weight: 500; cursor: pointer;
  border: 1px solid; background: transparent;
  transition: opacity .15s;
}
.btn-export { color: var(--primary); border-color: var(--primary); }
.btn-reset  { color: var(--danger);  border-color: var(--danger); }

/* ─── LOGIN PAGE ─────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  width: 100%; max-width: 340px;
}

.login-card h1 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 20px; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 11px; color: var(--text2); margin-bottom: 5px; }
.field input {
  width: 100%; height: 38px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text); padding: 0 12px;
  font-size: 13px; outline: none;
  transition: border-color .2s;
}
.field input:focus { border-color: var(--primary); }

.field-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.field-check input[type="checkbox"] { accent-color: var(--primary); width: 14px; height: 14px; cursor: pointer; }
.field-check label { font-size: 12px; color: var(--text2); cursor: pointer; }

.btn-login {
  width: 100%; height: 40px;
  background: var(--primary); color: #fff;
  border: none; border-radius: 8px;
  font-size: 13px; font-weight: 600;
  cursor: pointer; margin-top: 6px;
  transition: opacity .15s;
}
.btn-login:disabled { opacity: .6; cursor: not-allowed; }
.error-msg { color: var(--danger); font-size: 11px; margin-top: 10px; text-align: center; min-height: 16px; }

/* ─── TOAST ──────────────────────────────────── */
.toast {
  position: fixed;
  bottom: calc(64px + env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--card2); border: 1px solid var(--border);
  color: var(--text); padding: 8px 16px;
  border-radius: 16px; font-size: 12px;
  opacity: 0; transition: opacity .2s, transform .2s;
  pointer-events: none; white-space: nowrap; z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }