:root{
  --page:#f7f3ee;
  --surface:#fbf8f3;
  --text:#141618;
  --muted:#6b6f76;
  --muted2:#8d93a0;

  --card:#ffffff;
  --card-soft:#f1eee8;
  --border: rgba(20, 22, 24, 0.16);
  --border2: rgba(20, 22, 24, 0.08);
  --border-strong: rgba(20, 22, 24, 0.25);
  --field-bg: rgba(255,255,255,0.9);
  --field-line: rgba(20,22,24,0.12);
  --rule: rgba(20,22,24,0.08);
  --frame-outer: #f7f2ea;
  --frame-inner: #efe6db;

  --accent:#1f6feb;
  --accent2:#1a5fd0;
  --danger:#d92d20;

  --shadow: 0 1px 2px rgba(20,22,24,0.05);
  --shadow2: 0 12px 28px rgba(20,22,24,0.08);

  --radius: 16px;
  --radius2: 20px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: "Avenir Next", "Avenir", "Trebuchet MS", "Gill Sans", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
}

*{ box-sizing:border-box; }
html, body { height: 100%; }
body{
  margin:0;
  font-family:var(--sans);
  background-color: var(--page);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(20,22,24,0.08) 0, rgba(20,22,24,0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.25) 60%),
    linear-gradient(0deg, rgba(20,22,24,0.03), rgba(20,22,24,0.03));
  background-size: 16px 16px, 100% 100%, 5px 5px;
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 18px 24px;
}

/* Header */
.app-header{
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border2);
}
.header-inner{
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  height: 62px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 220px;
}
.brand-badge{
  background: var(--accent);
  color:#fff;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 8px 18px rgba(31,111,235,0.18);
}
.brand h1{
  margin:0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.toolbar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.divider{
  width:1px;
  height:28px;
  background: var(--border2);
  margin: 0 4px;
}

/* Buttons */
.btn{
  border: 1px solid var(--border2);
  background: var(--card);
  border-radius: 12px;
  padding: 9px 11px;
  font-weight: 700;
  font-size: 12px;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:8px;
  color: rgba(20,22,24,0.82);
  transition: transform .04s ease, background .12s ease, border-color .12s ease, color .12s ease;
  user-select:none;
}
.btn:hover{
  border-color: var(--border);
  background: var(--card);
}
.btn:active{ transform: scale(0.99); }

.btn-icon{
  width: 40px;
  justify-content:center;
  padding: 10px;
}

.btn-ghost{
  background: var(--card);
}

.btn-primary{
  border: 0;
  background: var(--accent);
  color:#fff;
  box-shadow: 0 10px 20px rgba(31,111,235,0.18);
}
.btn-primary:hover{ background: var(--accent2); }

.btn[disabled]{
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

/* Cards */
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}

/* Meta */
.meta{
  padding: 16px;
  margin: 16px 0 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.86));
  border-color: var(--border-strong);
  position: relative;
}
.meta::after{
  content:"";
  position:absolute;
  inset: 12px;
  border: 1px dashed var(--rule);
  border-radius: 12px;
  pointer-events:none;
}
.meta-grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
  align-items:end;
}
.meta-subgrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label.small{
  display:block;
  font-size: 10px;
  font-weight: 800;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

/* Use inset underline instead of border-bottom (prevents descender clipping in canvas export) */
input.textline{
  width:100%;
  border: 0;
  padding: 8px 2px 10px;
  background: var(--field-bg);
  outline: none;
  color: var(--text);

  font-size: 14px;
  line-height: 1.35;

  box-shadow: inset 0 -2px 0 var(--field-line);
  transition: box-shadow .12s ease;
}
input.textline::placeholder{ color: rgba(107,111,118,0.40); }
input.textline:hover{ box-shadow: inset 0 -2px 0 rgba(20,22,24,0.18); }
input.textline:focus{ box-shadow: inset 0 -2px 0 rgba(79,70,229,0.95); }

input.big{
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
input.medium{
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
}

/* Grid */
.grid{
  display:grid;
  gap: 16px;
}

/* Panel */
.panel{
  overflow: hidden;
  display:flex;
  flex-direction:column;
  min-width: 0;
  border-radius: var(--radius2);
  border-color: var(--border-strong);
}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 8px 10px;
  background: var(--card-soft);
  border-bottom: 1px solid var(--border);
  border-top-left-radius: var(--radius2);
  border-top-right-radius: var(--radius2);
}
.panel-num{
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  color: var(--muted2);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px 7px;
}
.panel-actions button{
  border:0;
  background: transparent;
  cursor:pointer;
  color: var(--muted2);
  padding: 6px;
  border-radius: 10px;
  transition: background .12s ease, color .12s ease;
}
.panel-actions button:hover{
  color: var(--danger);
  background: rgba(239,68,68,0.08);
}

/* Frame */
.frame{
  position: relative;
  width:100%;
  aspect-ratio: 16 / 9;
  background: var(--frame-inner);
  border-bottom: 1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  user-select:none;
}
.frame:not(.has-image){
  background: var(--frame-inner);
  box-shadow: inset 0 0 0 12px var(--frame-outer);
}
.frame::before{
  content:"";
  position:absolute;
  inset: 12px;
  border: 1px dashed var(--rule);
  border-radius: 8px;
  pointer-events:none;
}
.frame.dragover{
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  background: rgba(79,70,229,0.05);
}
.frame img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}
.frame .placeholder{
  text-align:center;
  color: rgba(100,116,139,0.45);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 6px;
  padding: 18px;
}
.frame .placeholder span{
  font-size: 12px;
  font-weight: 900;
}
.frame label.upload{
  cursor:pointer;
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.frame input[type="file"]{ display:none; }

.panel-body{
  padding: 12px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  flex: 1;
}

/* Specs row */
.specs{
  display:grid;
  grid-template-columns: 1fr 1fr 72px;
  gap: 8px;
  align-items:center;
}
input.smallbox,
select.select{
  width: 100%;
  border: 1px solid var(--border);
  background: var(--field-bg);
  border-radius: 12px;
  padding: 10px 10px;
  font-size: 12px;
  font-weight: 800;
  color: rgba(20,22,24,0.82);
  outline:none;
  transition: border-color .12s ease;
  text-align:center;
}
input.smallbox:focus,
select.select:focus{
  border-color: var(--accent);
}
select.select{
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(20,22,24,0.5) 50%),
    linear-gradient(135deg, rgba(20,22,24,0.5) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 50%,
    calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  text-align: left;
  padding-right: 28px;
}

/* Fields */
.field label{
  display:block;
  font-size: 10px;
  font-weight: 800;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 2px 0 6px;
  transition: color .12s ease;
}
.field:focus-within label{ color: var(--accent); }

/* Use inset underline instead of border-bottom; improve readability and capture */
textarea, input.notes{
  width:100%;
  border:0;
  background: var(--field-bg);
  outline:none;
  resize:none;

  font-size: 14px;
  line-height: 1.4;

  padding: 7px 2px 10px;
  box-shadow: inset 0 -2px 0 var(--field-line);

  color: rgba(20,22,24,0.92);
  transition: box-shadow .12s ease;

  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

textarea::placeholder, input.notes::placeholder{
  color: rgba(107,111,118,0.40);
}

textarea:focus, input.notes:focus{
  box-shadow: inset 0 -2px 0 rgba(79,70,229,0.95);
}

/* prevent “tiny” 2-line textareas; let autogrow handle it */
textarea{
  min-height: 44px;
}

/* Native selects keep things simple */

/* Footer */
.footer{
  padding: 18px 0 26px;
  text-align:center;
  color: var(--muted2);
  font-size: 12px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 8px;
}
.tiny-badge-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  text-decoration:none;
  color: var(--muted);
  font-size:12px;
  font-weight:700;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  transition: border-color .12s ease, background .12s ease, color .12s ease;
}
.tiny-badge-btn:focus-visible{
  outline: 2px solid rgba(99, 102, 241, 0.9);
  outline-offset: 2px;
}
.tiny-badge-btn .badge{
  display:inline-block;
  font-family: var(--mono);
  font-weight:800;
  font-size:11px;
  letter-spacing:.04em;
  padding:3px 8px;
  border-radius:999px;
  background: rgba(245, 192, 66, 0.18);
  border: 1px solid rgba(245, 192, 66, 0.35);
  color:#c98b00;
}
.tiny-badge-btn:hover{
  border-color: var(--border2);
  background: var(--card-soft);
  color: var(--text);
}
.tiny-badge-btn:hover .badge{
  border-color: rgba(245, 192, 66, 0.6);
  background: rgba(245, 192, 66, 0.28);
  color:#e3a83a;
}

body[data-theme="dark"] .tiny-badge-btn{
  color: var(--muted2);
}
body[data-theme="dark"] .tiny-badge-btn:hover{
  border-color: rgba(170,205,255,0.35);
  background: rgba(110,160,255,0.12);
  color: var(--text);
}
body[data-theme="dark"] .tiny-badge-btn .badge{
  color:#f2d08a;
}

/* Overlay + modals */
.overlay{
  position: fixed;
  inset: 0;
  background: rgba(20,22,24,0.35);
  display:none;
  align-items:center;
  justify-content:center;
  z-index: 9999;
  backdrop-filter: blur(6px);
}
.overlay.show{
  display:flex;
}
.overlay .modal{
  width: min(520px, calc(100% - 24px));
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow2);
  padding: 16px 16px 14px;
  text-align:center;
}
.overlay .modal-left{
  text-align:left;
}
.modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 6px;
}
.overlay h3{
  margin: 0;
  font-size: 16px;
  font-weight: 900;
  letter-spacing:-0.01em;
}
.modal-sub{
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.icon-x{
  border: 1px solid var(--border2);
  background: var(--card);
  border-radius: 12px;
  padding: 8px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
}
.icon-x:hover{ border-color: var(--border); }

.spinner{
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 4px solid rgba(79,70,229,0.18);
  border-top-color: var(--accent);
  margin: 6px auto 10px;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Layout modal list */
.layout-list{
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.layout-row{
  border: 1px solid var(--border2);
  background: var(--card);
  border-radius: 16px;
  padding: 12px 12px;
  cursor: pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.layout-row:hover{ border-color: var(--border); background: var(--card-soft); }
.layout-row.active{
  border-color: rgba(79,70,229,0.30);
  background: rgba(79,70,229,0.06);
}
.layout-row .title{
  font-weight: 900;
  font-size: 13px;
}
.layout-row .sub{
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
  margin-top: 2px;
}
.layout-row .pill{
  font-family: var(--mono);
  font-weight: 900;
  font-size: 11px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  background: var(--card);
}

/* Responsive */
@media (max-width: 980px){
  .meta-grid{ grid-template-columns: 1fr; }
  .brand{ min-width: unset; }
}

body[data-theme="dark"]{
  --page:#0f1218;
  --surface:#131720;
  --text:#f8f9fc;
  --muted:#dde2ee;
  --muted2:#b9c2d6;

  --card:#161b24;
  --card-soft:#1b2230;
  --border: rgba(170,205,255,0.35);
  --border2: rgba(255,255,255,0.14);
  --border-strong: rgba(170,205,255,0.55);

  --accent:#6ea0ff;
  --accent2:#5a8ef2;
  --danger:#ff6b6b;

  --shadow: 0 1px 2px rgba(0,0,0,0.35);
  --shadow2: 0 12px 28px rgba(0,0,0,0.5);
  --field-bg: rgba(19,25,36,0.95);
  --field-line: rgba(170,205,255,0.35);
  --rule: rgba(160,195,255,0.28);
  --frame-outer: #2e4674;
  --frame-inner: #1a2a4a;
}

body[data-theme="dark"]{
  background-image:
    radial-gradient(circle at 1px 1px, rgba(120,160,255,0.12) 0, rgba(120,160,255,0.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(90,130,220,0.15) 0%, rgba(0,0,0,0) 50%),
    radial-gradient(circle at 20% 0%, rgba(98,72,150,0.18), rgba(0,0,0,0) 45%);
}

body[data-theme="dark"] .frame{
  background: var(--frame-inner);
  border-bottom: 1px solid rgba(170,205,255,0.55);
}
body[data-theme="dark"] .frame::before{
  border: 1px dashed rgba(170,205,255,0.5);
}

body[data-theme="dark"] input.textline::placeholder,
body[data-theme="dark"] textarea::placeholder,
body[data-theme="dark"] input.notes::placeholder{
  color: rgba(230,235,245,0.55);
}

body[data-theme="dark"] .btn,
body[data-theme="dark"] .btn-ghost{
  color: var(--text);
}

body[data-theme="dark"] .panel-num{
  color: var(--text);
}

body[data-theme="dark"] .layout-row .pill{
  color: var(--text);
}

body[data-theme="dark"] .meta{
  background: linear-gradient(180deg, rgba(19,25,36,0.98), rgba(19,25,36,0.9));
}

body[data-theme="dark"] select.select,
body[data-theme="dark"] input.smallbox{
  color: var(--text);
}

body[data-theme="dark"] .icon-x{
  color: var(--text);
}

body[data-theme="dark"] .layout-row.active{
  border-color: rgba(110,160,255,0.9);
  background: rgba(110,160,255,0.18);
}

/* Export mode tweaks */
body.exporting .app-header,
body.exporting .footer,
body.exporting .no-export{
  display:none !important;
}
body.exporting:not([data-theme="dark"]){
  --page:#ffffff;
  --surface:#ffffff;
  --text:#121417;
  --muted:#5b616c;
  --muted2:#7a818e;
  --card:#ffffff;
  --card-soft:#f3f4f6;
  --border: rgba(18,20,23,0.14);
  --border2: rgba(18,20,23,0.08);
  --border-strong: rgba(18,20,23,0.22);
  --field-bg: rgba(255,255,255,0.9);
  --field-line: rgba(18,20,23,0.12);
  --rule: rgba(18,20,23,0.08);
  --frame-outer: #f7f2ea;
  --frame-inner: #efe6db;
  background: #fff;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(18,20,23,0.08) 0, rgba(18,20,23,0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.2) 60%),
    linear-gradient(0deg, rgba(18,20,23,0.03), rgba(18,20,23,0.03));
  background-size: 16px 16px, 100% 100%, 5px 5px;
}
body.exporting .container{
  max-width: none;
  padding: 18px;
}
body.exporting .card{
  box-shadow: none;
}

/* Extra safety padding for canvas capture only */
body.exporting textarea,
body.exporting input.textline,
body.exporting input.notes{
  padding-bottom: 12px;
}
body.exporting .frame{
  background: var(--frame-inner);
}
body.exporting .frame .placeholder{
  display:none;
}
body.exporting .frame::before{
  border: 1px dashed var(--rule);
}

/* Print fallback */
@media print{
  .no-export, .app-header, .footer { display:none !important; }
  body{
    --page:#ffffff;
    --surface:#ffffff;
    --text:#121417;
    --muted:#5b616c;
    --muted2:#7a818e;
    --card:#ffffff;
    --card-soft:#f3f4f6;
    --border: rgba(18,20,23,0.14);
    --border2: rgba(18,20,23,0.08);
    --border-strong: rgba(18,20,23,0.22);
    background:#fff;
    background-image:none;
  }
  .container{ padding: 0; max-width: none; }
  .card{ box-shadow:none; }
  .panel{ break-inside: avoid; }
  .frame{
    background:#fff;
  }
  .frame:not(.has-image){
    box-shadow: none;
    background: var(--frame-inner);
  }
  .frame .placeholder{
    display:none;
  }
  .frame::before{
    border: 1px dashed rgba(18,20,23,0.15);
  }
}