/* v1.3: native Telegram safe gestures, quick toolbox and mobile shape editor. */
html,body{overscroll-behavior-y:contain}
.viewport-body{touch-action:pan-y;overscroll-behavior:contain;-webkit-user-select:none;user-select:none}.viewport-body canvas{touch-action:none;overscroll-behavior:contain}
.viewer-floating-tools{position:absolute;top:48px;left:12px;z-index:8;pointer-events:none}
.viewer-tools-fab{pointer-events:auto;display:flex;align-items:center;gap:7px;min-height:40px;border:1px solid #43738c;border-radius:12px;padding:8px 12px;background:#0d2539ed;color:#d7f5ff;font-weight:800;box-shadow:0 10px 35px #0007;touch-action:manipulation;font-size:13px}
.viewer-tools-fab span{font-size:11px}
.viewer-toolbox{pointer-events:auto;width:min(318px,calc(100vw - 42px));max-height:min(50vh,420px);overflow:auto;overscroll-behavior:contain;background:#101e2bf5;border:1px solid #42738a;box-shadow:0 18px 60px #000a;border-radius:14px;margin-top:8px;padding:12px;touch-action:pan-y}
.viewer-toolbox[hidden]{display:none!important}
.floating-title{font-size:13px;font-weight:900;color:#e3f7fd;margin:1px 3px 11px;display:flex;align-items:center;justify-content:space-between}.floating-title span{font-size:9px;color:#78a7bb;letter-spacing:.1em}
.floating-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.floating-grid button{background:#1b384d;border:1px solid #416177;color:#e0eff8;border-radius:9px;min-height:42px;text-align:left;padding:9px;font-size:12px;font-weight:700;touch-action:manipulation}.floating-grid button:active{background:#315b74}
.primitive-card{border-color:#46809c}.primitive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:13px 0}.primitive-grid label{display:flex;flex-direction:column;gap:7px;min-width:0;color:#c0d5e1;font-size:12px}.primitive-grid label[hidden]{display:none}.primitive-grid input,.primitive-grid select{width:100%;min-width:0;min-height:43px;background:#0e2637;border:1px solid #49657c;border-radius:9px;padding:9px;color:#f4fbff;font-size:14px}.primitive-grid label:first-child{grid-column:span 3}.primitive-position{border:1px solid #315269;border-radius:12px;padding:12px;margin:14px 0}.primitive-position strong{font-size:12px}.primitive-position .primitive-grid{margin-bottom:0}.primitive-position .primitive-grid label:first-child{grid-column:auto}
@media(max-width:600px){.primitive-grid{grid-template-columns:1fr 1fr}.primitive-grid label:first-child{grid-column:span 2}.primitive-position .primitive-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.viewer-floating-tools{left:9px;top:45px}.viewer-tools-fab{min-height:37px;padding:7px 10px}.viewer-toolbox{max-height:52vh}.orientation-gizmo{top:12px;right:10px}}
/* native Telegram closing bar is system-owned: protect the app by disabling vertical swipes in API. */

body.viewer-immersive .viewport-card{padding-top:max(62px,var(--tg-content-safe-area-inset-top,0px),env(safe-area-inset-top,0px))}