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

html, body {
  overflow-x: hidden;
  width: 100%;
}

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --border: #e8e8e4;
  --border-strong: #d0d0ca;
  --text: #1a1a18;
  --text-muted: #78786e;
  --green: #1D9E75;
  --green-light: #E1F5EE;
  --green-dark: #0F6E56;
  --red: #E24B4A;
  --red-light: #FCEBEB;
  --topbar-h: 56px;
  --drawer-w: 260px;
  --radius: 10px;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
}

/* ── TOPBAR ── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 12px;
  z-index: 300;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
  flex: 1;
}

.topbar-right {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── BURGER BUTTON ── */
.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.12s;
  flex-shrink: 0;
}
.burger:hover { background: var(--bg); }
.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s;
  transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── DRAWER OVERLAY ── */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 400;
  opacity: 0;
  transition: opacity 0.25s;
}
.drawer-overlay.visible { display: block; opacity: 1; }

/* ── DRAWER ── */
.drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--drawer-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 500;
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }

.drawer-header {
  padding: 1.25rem 1rem 1rem;
  border-bottom: 1px solid var(--border);
}
.drawer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
}

.drawer-nav {
  padding: 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  -webkit-tap-highlight-color: transparent;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: var(--green-light); color: var(--green-dark); }
.nav-item svg { flex-shrink: 0; }

/* ── MAIN ── */
.main {
  padding: calc(var(--topbar-h) + 1.5rem) 2rem 2rem;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── PAGE HEADER ── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}
.page-header h1 { font-size: 24px; font-weight: 600; }
.page-header p { font-size: 14px; color: var(--text-muted); margin-top: 2px; }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.card-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

/* ── METRICS ── */
.metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.metric-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; }
.metric-value { font-size: 26px; font-weight: 600; letter-spacing: -0.5px; }
.metric-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── PROGRESS ── */
.progress-wrap { background: #eeeee9; border-radius: 99px; height: 8px; margin: 8px 0; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 99px; background: var(--green); transition: width 0.5s ease; }
.progress-bar.over { background: var(--red); }
.progress-labels { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  background: var(--green-light);
  color: var(--green-dark);
}
.badge.danger { background: var(--red-light); color: var(--red); }
.header-badge { padding: 5px 12px; border-radius: 99px; font-size: 13px; font-weight: 600; background: var(--green-light); color: var(--green-dark); }

/* ── FORMS ── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 1rem; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--text-muted); }
.form-group input, .form-group select {
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  background: var(--surface);
  color: var(--text);
  transition: border 0.15s;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(29,158,117,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn {
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  background: var(--surface);
  color: var(--text);
  transition: all 0.12s;
}
.btn:hover { background: var(--bg); }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--green); color: white; border-color: var(--green); }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-danger { color: var(--red); border-color: #f0a0a0; }
.btn-danger:hover { background: var(--red-light); }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ── SPORT GRID ── */
.sport-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sport-btn {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  text-align: center;
  background: var(--surface);
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.sport-btn:hover { border-color: var(--green); background: #f0fdf8; }
.sport-btn.selected { border: 2px solid var(--green); background: var(--green-light); }
.sport-icon { font-size: 22px; margin-bottom: 5px; }
.sport-days { font-size: 13px; font-weight: 600; }
.sport-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.sport-btn.selected .sport-days, .sport-btn.selected .sport-sub { color: var(--green-dark); }

/* ── PHOTO ── */
.photo-zone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.photo-zone:hover, .photo-zone:active { border-color: var(--green); background: #f0fdf8; }
.photo-icon { font-size: 40px; margin-bottom: 12px; }
.empty-analysis { text-align: center; padding: 2rem 0; }

/* ── MEALS ── */
.meal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.meal-item:last-child { border-bottom: none; }
.meal-name { font-size: 14px; font-weight: 500; }
.meal-time { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.meal-right { display: flex; align-items: center; gap: 10px; }
.meal-cal { font-size: 15px; font-weight: 600; }
.meal-del {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 16px; padding: 6px;
  border-radius: 6px; transition: all 0.1s;
  -webkit-tap-highlight-color: transparent;
}
.meal-del:hover { color: var(--red); background: var(--red-light); }

/* ── RESULT BOX ── */
.result-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.result-foods { font-size: 15px; font-weight: 500; margin-bottom: 4px; }
.result-cal { font-size: 28px; font-weight: 700; color: var(--green); letter-spacing: -0.5px; }
.result-macros { display: flex; gap: 16px; margin-top: 12px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.result-detail { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.result-detail-item { display: flex; justify-content: space-between; font-size: 13px; padding: 3px 0; }

/* ── HISTORY ── */
.history-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.history-row:last-child { border-bottom: none; }
.history-date { font-weight: 500; }
.history-cal { font-weight: 600; }
.history-ok { color: var(--green); font-size: 12px; }
.history-over { color: var(--red); font-size: 12px; }

/* ── DATE PICKER ── */
.date-picker {
  padding: 7px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  background: var(--surface);
  color: var(--text);
}

/* ── PHOTO CHOICE ── */
.photo-choice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 0;
}
.photo-choice-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 1.5rem 1rem;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
  -webkit-tap-highlight-color: transparent;
}
.photo-choice-btn:hover, .photo-choice-btn:active {
  border-color: var(--green);
  background: var(--green-light);
}
.photo-choice-icon { font-size: 32px; line-height: 1; }
.photo-choice-label { font-size: 14px; font-weight: 600; color: var(--text); }
.photo-choice-sub { font-size: 12px; color: var(--text-muted); }

/* ── MISC ── */
.text-muted { color: var(--text-muted); }
a { color: var(--green); }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .main { padding: calc(var(--topbar-h) + 1rem) 1rem 2rem; }
  .page-header h1 { font-size: 20px; }
  .metrics-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-value { font-size: 20px; }
  .metric-card { padding: 0.875rem 1rem; }
  .two-col { grid-template-columns: 1fr; }
  .card { padding: 1rem; }
  .history-row { flex-direction: column; align-items: flex-start; gap: 3px; }
}