/* ============================================================
   PYO Robot Web App — design system
   palette: Indigo + Mango on lavender-cream
   ============================================================ */
:root{
  --bg-1:#F5F3FF;
  --bg-2:#EEF2FF;
  --bg-3:#FFF7ED;
  --surface:#FFFFFF;
  --surface-2:#F8FAFC;
  --ink:#1E1B4B;
  --ink-2:#312E81;
  --muted:#6B7280;
  --line:rgba(30,27,75,.10);
  --line-2:rgba(30,27,75,.18);
  --brand:#6366F1;
  --brand-2:#4338CA;
  --brand-3:#818CF8;
  --accent:#F59E0B;
  --accent-2:#FB923C;
  --ok:#10B981;
  --danger:#EF4444;
  --soft:#E0E7FF;
  --soft-2:#FEF3C7;
  --shadow-sm:0 2px 8px rgba(30,27,75,.06);
  --shadow-md:0 10px 28px rgba(30,27,75,.10);
  --shadow-lg:0 24px 60px rgba(30,27,75,.14);
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:24px;
  --radius-xl:32px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh;
  color:var(--ink);
  font-family:"Pretendard","Noto Sans KR","Segoe UI",system-ui,sans-serif;
  font-size:15px;
  line-height:1.5;
  background:
    radial-gradient(circle at 12% -10%, rgba(245,158,11,.18), transparent 38%),
    radial-gradient(circle at 92% 4%, rgba(99,102,241,.22), transparent 42%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 60%, var(--bg-3) 100%);
  -webkit-font-smoothing:antialiased;
}

/* ============================================================
   Layout shell
   ============================================================ */
.app{
  max-width:560px;
  margin:0 auto;
  min-height:100vh;
  padding:14px 14px 96px;
  display:flex;
  flex-direction:column;
  gap:14px;
  position:relative;
}
@media (min-width:1280px){
  .app{max-width:1200px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;padding:24px 24px 96px;align-items:start}
  .app > .main{min-width:0}
  .aside-desktop{display:flex;flex-direction:column;gap:14px;position:sticky;top:24px}
}
.aside-desktop{display:none}

/* ============================================================
   Top status bar — always visible, Rocky QuickConnect style
   ============================================================ */
.topbar{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  position:sticky;top:8px;z-index:20;
  backdrop-filter:blur(8px);
}
.topbar .brand-dot{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 4px 12px rgba(67,56,202,.28);
  flex:0 0 auto;
}
.topbar .brand-name{font-weight:800;font-size:15px;letter-spacing:-.01em;color:var(--ink)}
.topbar .brand-sub{font-size:11px;color:var(--muted);margin-top:2px}
.topbar .spacer{flex:1}
.topbar .icon-btn{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--ink);
  display:grid;place-items:center;cursor:pointer;font-size:16px;
}
.topbar .icon-btn:hover{border-color:var(--brand);color:var(--brand-2)}

/* ============================================================
   Status pill
   ============================================================ */
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:#F1F5F9;border:1px solid var(--line);color:var(--muted);
}
.status-pill::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.55}
.status-pill.ok{background:#ECFDF5;border-color:rgba(16,185,129,.28);color:var(--ok)}
.status-pill.warn{background:#FFF7ED;border-color:rgba(245,158,11,.32);color:#B45309}

/* ============================================================
   Panels / cards
   ============================================================ */
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-md);
  padding:20px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:16px;
}
.card.soft{background:linear-gradient(180deg,#FAFBFF,#F3F4FF)}

.head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}
.head h2{margin:0;font-size:22px;letter-spacing:-.03em;font-weight:800;color:var(--ink)}
.head p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.45}

.title{
  font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-2);margin:0 0 10px;
}
.muted{color:var(--muted);font-size:12px;line-height:1.4}
.hint{font-size:12px;color:var(--muted);line-height:1.5}

/* ============================================================
   Start screen (initial device connect)
   ============================================================ */
.start-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#EEF2FF 0%,#F5F3FF 55%,#FFF7ED 100%);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:26px 22px 24px;
  text-align:center;
}
.start-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 80% 0%,rgba(245,158,11,.25),transparent 45%),radial-gradient(circle at 0% 100%,rgba(99,102,241,.22),transparent 50%);
}
.start-hero .hero-img{
  position:relative;z-index:1;
  width:200px;max-width:62%;height:auto;margin:0 auto 10px;display:block;
  filter:drop-shadow(0 16px 24px rgba(67,56,202,.22));
}
.start-hero h1{position:relative;z-index:1;margin:0;font-size:28px;font-weight:900;letter-spacing:-.04em;color:var(--ink)}
.start-hero .tag{position:relative;z-index:1;margin:6px 0 0;color:var(--muted);font-size:13px}

.connect-box{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.device-list{display:grid;gap:8px;max-height:220px;overflow:auto;padding-right:4px}
.device{
  padding:12px 14px;border-radius:var(--radius);
  border:1.5px solid var(--line);background:var(--surface);
  cursor:pointer;text-align:left;transition:all .15s ease;
}
.device:hover{border-color:var(--brand-3);background:#FAFBFF}
.device.active{border-color:var(--brand);background:#EEF2FF;box-shadow:0 0 0 3px rgba(99,102,241,.14)}
.device strong{display:block;font-size:14px;color:var(--ink)}
.device span{display:block;margin-top:3px;color:var(--muted);font-size:11px}

/* ============================================================
   Home menu grid (Rocky-style)
   ============================================================ */
.home-grid{display:grid;gap:12px}
.menu-card{
  display:flex;align-items:center;gap:14px;
  padding:18px 18px;border-radius:var(--radius-lg);
  border:1.5px solid var(--line);background:var(--surface);
  cursor:pointer;text-align:left;transition:all .15s ease;
  font:inherit;color:var(--ink);
}
.menu-card:hover{border-color:var(--brand-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.menu-card .icon{
  width:48px;height:48px;border-radius:14px;flex:0 0 auto;
  display:grid;place-items:center;font-size:22px;
  background:var(--soft);color:var(--brand-2);
}
.menu-card .label{display:flex;flex-direction:column;gap:3px;min-width:0}
.menu-card .label b{font-size:16px;font-weight:800;letter-spacing:-.01em}
.menu-card .label span{font-size:12px;color:var(--muted);line-height:1.35}

.menu-card.primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  border-color:transparent;color:#fff;
  box-shadow:0 16px 34px rgba(67,56,202,.28);
}
.menu-card.primary .icon{background:rgba(255,255,255,.22);color:#fff}
.menu-card.primary .label span{color:rgba(255,255,255,.82)}
.menu-card.primary:hover{transform:translateY(-2px);box-shadow:0 22px 40px rgba(67,56,202,.34)}

.menu-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ============================================================
   Buttons
   ============================================================ */
button{font:inherit;cursor:pointer}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 16px;border-radius:var(--radius);
  font-weight:700;font-size:14px;border:1.5px solid transparent;
  transition:all .15s ease;min-height:46px;
}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 20px rgba(67,56,202,.25)}
.btn-primary:hover{box-shadow:0 12px 26px rgba(67,56,202,.32)}
.btn-secondary{background:var(--surface);color:var(--brand-2);border-color:var(--line-2)}
.btn-secondary:hover{border-color:var(--brand);background:#FAFBFF}
.btn-soft{background:var(--soft);color:var(--brand-2);border-color:transparent}
.btn-soft:hover{background:#D6DEFF}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(245,158,11,.28)}
.btn-accent:hover{box-shadow:0 12px 26px rgba(245,158,11,.36)}
.btn-danger{background:#FEF2F2;color:var(--danger);border-color:rgba(239,68,68,.22)}
.btn-danger:hover{background:#FEE2E2}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn-ghost:hover{color:var(--ink);border-color:var(--line-2)}

.btn-row{display:flex;gap:8px;flex-wrap:wrap}
.btn-row > .btn{flex:1 1 0;min-width:0}
.btn-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.btn-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}

/* Back button */
.back-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--surface);color:var(--brand-2);border:1.5px solid var(--line-2);
  cursor:pointer;
}
.back-btn:hover{border-color:var(--brand)}

/* ============================================================
   Form controls
   ============================================================ */
label{display:flex;flex-direction:column;gap:6px;font-size:11px;font-weight:800;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
select,input,textarea{
  width:100%;padding:12px 14px;
  background:var(--surface);color:var(--ink);
  border:1.5px solid var(--line-2);border-radius:var(--radius);
  font:inherit;font-weight:600;
}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.18)}
textarea{resize:vertical;min-height:96px;font-weight:500}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}

/* ============================================================
   D-pad — uses rocky pad PNGs
   ============================================================ */
.dpad-wrap{display:flex;flex-direction:column;align-items:center;gap:14px}
.dpad{
  position:relative;
  width:min(100%,300px);aspect-ratio:1;
  border-radius:50%;
  background:
    radial-gradient(circle at center,#FFFFFF 0 16%,#F1F5F9 17% 28%,#E0E7FF 29% 55%,#EEF2FF 56% 100%);
  box-shadow:inset 0 0 40px rgba(99,102,241,.12),0 20px 40px rgba(67,56,202,.14);
  border:1px solid var(--line);
}
.pad-btn{
  position:absolute;width:76px;height:76px;padding:0;
  background:transparent;border:none;cursor:pointer;
  background-repeat:no-repeat;background-size:contain;background-position:center;
  transition:transform .1s ease;
  touch-action:none;
}
.pad-btn:active{transform:scale(.94)}
.pad-btn.up   {left:calc(50% - 38px);top:6%;   background-image:url("../assets/rocky/rocky_pad_up_off.png")}
.pad-btn.up.pressed   {background-image:url("../assets/rocky/rocky_pad_up_on.png")}
.pad-btn.down {left:calc(50% - 38px);bottom:6%;background-image:url("../assets/rocky/rocky_pad_down_off.png")}
.pad-btn.down.pressed {background-image:url("../assets/rocky/rocky_pad_down_on.png")}
.pad-btn.left {left:6%;top:calc(50% - 38px); background-image:url("../assets/rocky/rocky_pad_left_off.png")}
.pad-btn.left.pressed {background-image:url("../assets/rocky/rocky_pad_left_on.png")}
.pad-btn.right{right:6%;top:calc(50% - 38px);background-image:url("../assets/rocky/rocky_pad_right_off.png")}
.pad-btn.right.pressed{background-image:url("../assets/rocky/rocky_pad_right_on.png")}
.pad-stop{
  position:absolute;left:calc(50% - 36px);top:calc(50% - 36px);
  width:72px;height:72px;border-radius:50%;padding:0;
  background:linear-gradient(180deg,#FB7185,#E11D48);color:#fff;
  border:3px solid #fff;font-size:15px;font-weight:900;letter-spacing:-.01em;
  cursor:pointer;box-shadow:0 10px 22px rgba(225,29,72,.38);
}
.pad-stop:active{transform:scale(.94)}

/* Speed strip */
.speed-strip{display:flex;align-items:center;gap:12px;width:100%}
.speed-strip label{flex:0 0 60px;margin:0}
.speed-strip input[type="range"]{flex:1;accent-color:var(--brand)}
.speed-value{font-weight:800;color:var(--brand-2);min-width:32px;text-align:right}

/* ============================================================
   Chips
   ============================================================ */
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 11px;border-radius:999px;font-size:11px;font-weight:700;
  background:var(--soft);color:var(--brand-2);border:1px solid rgba(99,102,241,.15);
}
.chip.warn{background:var(--soft-2);color:#92400E;border-color:rgba(245,158,11,.25)}

/* ============================================================
   Action grid (3x3 tiles, Rocky-style paginated)
   ============================================================ */
.action-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
}
.action-tile{
  position:relative;aspect-ratio:1;
  border-radius:var(--radius);border:1.5px solid var(--line);
  background:linear-gradient(180deg,#FFFFFF,#F5F3FF);
  cursor:pointer;overflow:hidden;padding:0;
  transition:all .15s ease;
}
.action-tile:hover{border-color:var(--brand-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.action-tile img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:6px;
}
.action-tile .tag{
  position:absolute;left:6px;top:6px;z-index:1;
  padding:3px 8px;border-radius:999px;font-size:10px;font-weight:800;
  background:rgba(255,255,255,.88);color:var(--brand-2);backdrop-filter:blur(4px);
}
.action-tile .name{
  position:absolute;left:0;right:0;bottom:0;z-index:1;
  padding:5px 8px;font-size:11px;font-weight:700;text-align:center;
  background:linear-gradient(180deg,transparent,rgba(30,27,75,.72));color:#fff;
}

.page-label{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--brand-2)}

/* ============================================================
   Program list
   ============================================================ */
.list{display:grid;gap:8px;max-height:340px;overflow:auto;padding-right:4px}
.list-item{
  padding:12px 14px;border-radius:var(--radius);
  border:1.5px solid var(--line);background:var(--surface);
  display:grid;gap:6px;
}
.list-item strong{font-size:14px;color:var(--ink)}
.row-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:11px}

/* ============================================================
   Result / preview boxes
   ============================================================ */
.result{
  padding:14px;border-radius:var(--radius);
  background:var(--surface-2);border:1px dashed var(--line-2);
  font-size:12px;line-height:1.5;white-space:pre-wrap;
  font-family:"JetBrains Mono","Consolas",monospace;color:var(--ink-2);
  min-height:60px;
}
.result.big{min-height:120px}

/* ============================================================
   Log overlay (bottom drawer)
   ============================================================ */
.log-drawer{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  max-width:560px;margin:0 auto;
  background:#0F0F1F;color:#C7D2FE;
  border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl);
  box-shadow:0 -18px 60px rgba(15,15,31,.3);
  transform:translateY(calc(100% - 48px));
  transition:transform .24s ease;
  padding:0 14px 14px;
}
.log-drawer.open{transform:translateY(0)}
.log-drawer .handle{
  padding:12px 8px;display:flex;align-items:center;gap:10px;cursor:pointer;
  color:#C7D2FE;font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase;
}
.log-drawer .handle::before{content:"";width:32px;height:3px;border-radius:999px;background:#4C4F7A;margin-right:6px}
.log-drawer .handle .count{margin-left:auto;padding:3px 9px;border-radius:999px;background:rgba(99,102,241,.26);color:#A5B4FC;font-size:10px}
.log-drawer textarea{
  width:100%;min-height:220px;max-height:60vh;
  background:#06060F;color:#9FE2D8;border:1px solid #23234A;border-radius:var(--radius);
  font-family:"JetBrains Mono","Consolas",monospace;font-size:11px;line-height:1.55;padding:12px;
}
.log-drawer .row{display:flex;gap:8px;margin-top:8px}
@media (min-width:1280px){
  .log-drawer{display:none}
  .log-desktop{display:flex}
}
.log-desktop{display:none;flex-direction:column;gap:10px}
.log-desktop textarea{
  width:100%;min-height:280px;
  background:#0F0F1F;color:#9FE2D8;border:1px solid #23234A;border-radius:var(--radius);
  font-family:"JetBrains Mono","Consolas",monospace;font-size:11px;line-height:1.55;padding:12px;
}

/* ============================================================
   View router
   ============================================================ */
.view{display:none}
.view.active{display:flex;flex-direction:column;gap:14px;animation:fadeSlide .24s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ============================================================
   Blockly
   ============================================================ */
.blockly-frame{
  width:100%;height:min(64vh,560px);
  border:1px solid var(--line);border-radius:var(--radius);
  background:#F8FAFC;
}

/* ============================================================
   Utilities
   ============================================================ */
.stack{display:flex;flex-direction:column;gap:12px}
.stack-sm{display:flex;flex-direction:column;gap:8px}
.row{display:flex;align-items:center;gap:10px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.grow{flex:1}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}

/* ============================================================
   Responsive tweaks
   ============================================================ */
@media (max-width:380px){
  .menu-row{grid-template-columns:1fr}
  .field-grid,.field-grid-3{grid-template-columns:1fr}
  .action-grid{grid-template-columns:repeat(2,1fr)}
}