/* WDYHFTLN – lightweight responsive UI (no JS framework)
   Palette: bright surface, subtle accents, high contrast type.
*/

:root{
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #fbfbfd;
  --text: #0f172a; /* slate-900 */
  --text-muted: #475569; /* slate-600 */
  --text-soft: #64748b; /* slate-500 */
  --border: #e2e8f0; /* slate-200 */
  --shadow: 0 12px 30px rgba(2, 6, 23, .08);
  --shadow-sm: 0 6px 18px rgba(2, 6, 23, .06);

  --primary: #2563eb; /* blue-600 */
  --primary-2: #7c3aed; /* violet-600 */
  --primary-soft: rgba(37, 99, 235, .12);
  --ok: #16a34a;
  --warn: #f59e0b;

  --radius: 16px;
  --radius-sm: 12px;
  --container: 1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: var(--bg);
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height:1.45;
}

a{color:var(--primary); text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.container{max-width:var(--container); margin:0 auto; padding: 22px 18px 46px}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background: rgba(246,247,251,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226,232,240,.75);
}
.header-inner{max-width:var(--container); margin:0 auto; padding: 14px 18px; display:flex; align-items:center; justify-content:space-between; gap:14px}
.brand{
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text);
}
.brand:hover{text-decoration: none; color: var(--primary)}

.nav{
  display:flex;
  align-items:center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(15,23,42,.86);
  border: 1px solid transparent;
}
.nav a:hover{background: rgba(2,6,23,.04); text-decoration:none}
.nav a.active, .nav a.is-active{background: var(--primary-soft); border-color: rgba(37,99,235,.18); color: var(--primary); font-weight: 500}

/* Mobile nav without JS */
.nav-toggle{display:none}
.nav-toggle summary{
  list-style:none;
  cursor:pointer;
  user-select:none;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(226,232,240,.95);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}
.nav-toggle summary::-webkit-details-marker{display:none}

@media (max-width: 720px){
  .nav{display:none}
  .nav-toggle{display:block}
  .nav-toggle[open] .nav{display:flex; padding-top: 10px}
  .nav-toggle[open] summary{border-color: rgba(37,99,235,.25)}
  .nav-toggle .nav{flex-direction:column; align-items:stretch}
  .nav a{justify-content:space-between}
}

/* Components */
.page-title{margin: 0 0 8px; font-size: 28px; letter-spacing: -.02em}
.page-subtitle{margin:0 0 18px; color: var(--text-muted)}

.grid{display:grid; gap: 14px}
.grid.cols-2{grid-template-columns: repeat(2, minmax(0, 1fr))}
.grid.cols-3{grid-template-columns: repeat(3, minmax(0, 1fr))}
@media (max-width: 820px){
  .grid.cols-2,.grid.cols-3{grid-template-columns: 1fr}
}

.card{
  background: var(--surface);
  border: 1px solid rgba(226,232,240,.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
}
.card-header{display:flex; align-items:flex-start; justify-content:space-between; gap: 14px; margin-bottom: 10px}
.card h2{margin:0; font-size: 16px; letter-spacing: -.01em}
.card p{margin: 8px 0 0}

.kpi{
  padding: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(251,251,253,1) 100%);
}
.kpi .num{font-size: 26px; font-weight: 800; letter-spacing: -.02em}
.kpi .label{color: var(--text-soft); font-size: 12px; margin-top: 2px}
.kpi .hint{color: var(--text-muted); font-size: 12px; margin-top: 8px}

.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(226,232,240,.95);
  background: rgba(2,6,23,.02);
  color: rgba(15,23,42,.86);
  font-size: 12px;
}
.badge.badge-type{background: rgba(22,163,74,.10); border-color: rgba(22,163,74,.18)}
.badge.badge-source{background: rgba(124,58,237,.10); border-color: rgba(124,58,237,.18)}

.table{width:100%; border-collapse:collapse}
.table td,.table th{padding: 10px 8px; border-bottom: 1px solid rgba(226,232,240,.85)}
.table th{font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-soft); text-align:left}
.table td:last-child,.table th:last-child{text-align:right}

.meal-list{list-style:none; padding:0; margin:0}
.meal-item{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap: 10px 14px;
  padding: 14px;
  border: 1px solid rgba(226,232,240,.9);
  border-radius: 14px;
  background: rgba(255,255,255,.8);
}
.meal-item + .meal-item{margin-top: 10px}
.meal-date{font-weight: 700; color: rgba(15,23,42,.9)}
.meal-date small{display:block; margin-top: 2px; color: var(--text-soft); font-weight: 600}
.meal-text{color: rgba(15,23,42,.92)}
.meal-tags{display:flex; flex-wrap:wrap; gap: 8px; margin-top: 8px}

@media (max-width: 520px){
  .page-title{font-size: 24px}
  .meal-item{grid-template-columns: 1fr}
  .meal-date{display:flex; justify-content:space-between; align-items:baseline; gap: 10px}
  .meal-date small{display:inline; margin:0}
}

.filters{
  display:flex; flex-wrap:wrap; gap: 10px;
  margin: 12px 0 14px;
}
.field{display:flex; flex-direction:column; gap: 6px; min-width: 160px}
.field label{font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-soft)}
.input, .select{
  border: 1px solid rgba(226,232,240,.95);
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  outline: none;
}
.input:focus,.select:focus{border-color: rgba(37,99,235,.35); box-shadow: 0 0 0 4px rgba(37,99,235,.10)}

/* Fix iOS date input sizing */
input[type="date"]{
  -webkit-appearance: none;
  appearance: none;
  min-height: 44px;
  position: relative;
}
input[type="date"]::-webkit-date-and-time-value{
  text-align: left;
}

.actions{display:flex; gap: 10px; align-items:flex-end; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(226,232,240,.95);
  background: var(--surface);
  color: rgba(15,23,42,.92);
  font-weight: 700;
  cursor:pointer;
}
.btn:hover{text-decoration:none; background: rgba(2,6,23,.03)}
.btn.primary{border-color: rgba(37,99,235,.22); background: linear-gradient(135deg, rgba(37,99,235,1) 0%, rgba(124,58,237,1) 100%); color:white}
.btn.ghost{background: transparent}

.pagination{
  display:flex; align-items:center; justify-content:center; gap: 10px;
  margin-top: 18px;
}
.page-chip{padding: 8px 10px; border-radius: 999px; border: 1px solid rgba(226,232,240,.95); background: rgba(255,255,255,.7); color: var(--text-soft); font-size: 13px}

.footer-note{margin-top: 24px; color: var(--text-soft); font-size: 12px}

/* Detail header with actions */
.detail-header{display:flex; align-items:center; justify-content:space-between; gap: 10px; flex-wrap: wrap}

/* Edit link inline */
.edit-link{
  display: inline-block;
  margin-left: 8px;
  color: var(--text-soft);
  font-size: 14px;
  opacity: 0.6;
  transition: opacity .15s;
}
.edit-link:hover{opacity: 1; text-decoration: none}

/* Form styles */
.form-card{max-width: 700px}
.form-group{margin-bottom: 16px}
.form-group label{display:block; font-size: 13px; font-weight: 600; letter-spacing: .02em; color: var(--text-muted); margin-bottom: 6px}
.form-group .input, .form-group .select, .form-group textarea{width: 100%}
.form-group textarea{
  border: 1px solid rgba(226,232,240,.95);
  background: var(--surface);
  color: var(--text);
  padding: 12px;
  border-radius: 12px;
  outline: none;
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
  font-size: inherit;
  line-height: 1.5;
}
.form-group textarea:focus{border-color: rgba(37,99,235,.35); box-shadow: 0 0 0 4px rgba(37,99,235,.10)}

/* Chip multi-select */
.chip-select{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(226,232,240,.95);
  border-radius: 12px;
  background: var(--surface);
  min-height: 50px;
}
.chip-select.is-focused{border-color: rgba(37,99,235,.35); box-shadow: 0 0 0 4px rgba(37,99,235,.10)}
.chip{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}
.chip-type{
  background: rgba(22,163,74,.08);
  border: 1px solid rgba(22,163,74,.18);
  color: rgba(15,23,42,.86);
}
.chip-type:hover, .chip-type.selected{
  background: rgba(22,163,74,.18);
  border-color: rgba(22,163,74,.35);
}
.chip-type.selected{font-weight: 600}
.chip-source{
  background: rgba(124,58,237,.08);
  border: 1px solid rgba(124,58,237,.18);
  color: rgba(15,23,42,.86);
}
.chip-source:hover, .chip-source.selected{
  background: rgba(124,58,237,.18);
  border-color: rgba(124,58,237,.35);
}
.chip-source.selected{font-weight: 600}
.chip .check{display: none; font-size: 11px}
.chip.selected .check{display: inline}

/* Add new chip */
.chip-add{
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  background: transparent;
  border: 1px dashed rgba(100,116,139,.4);
  color: var(--text-soft);
}
.chip-add:hover{border-color: var(--primary); color: var(--primary)}
.chip-add-input{
  border: none;
  background: transparent;
  outline: none;
  font-size: 13px;
  width: 100px;
  padding: 0;
  color: var(--text);
}

/* Form actions */
.form-actions{
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(226,232,240,.9);
}

/* Messages */
.messages{margin-bottom: 16px}
.message{
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 8px;
}
.message.success{background: rgba(22,163,74,.12); border: 1px solid rgba(22,163,74,.25); color: #166534}
.message.error{background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.25); color: #991b1b}

/* Utility */
.m0{margin:0}
.mt8{margin-top:8px}
.mt12{margin-top:12px}
.mt16{margin-top:16px}
.mt20{margin-top:20px}