/*
 * MicroPython Visual — a freeform board of "value blocks", each bound to a pin
 * on an ESP32 running MicroPython. Visual language taken from the Figma
 * reference in FigmaExport/ (white rounded pills, gray text, blue sparkline
 * dot, translucent title marker on a black canvas).
 */

@font-face {
  font-family: "Roboto Flex";
  src: url("fonts/Roboto-VariableFont_wdth,wght.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --pill: #ffffff;
  --pill-border: rgba(0, 0, 0, 0.12);
  --ink: #999999;          /* label + value text, matches the Figma */
  --ink-strong: #6d6d6d;
  --accent: #2283f6;       /* sparkline dot */
  --bg: #000000;
  --font: "Roboto Flex", "Roboto", -apple-system, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  position: fixed;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
  font-family: var(--font);
}
body.webcam {
  background: transparent; /* let the #webcam video (z-index:-1) show through */
}

#canvas {
  position: fixed;
  inset: 0;
  overflow: hidden;
  touch-action: none;
}

/* ---- editable title with a marker that hugs the text ---- */
#titlebox {
  position: absolute;
  top: 18px;
  left: 18px;
  right: 74px;
  z-index: 3;
  line-height: 1.5;
}
#title {
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  padding: 1px 9px;
  border-radius: 3px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  outline: none;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  cursor: text;
  -webkit-user-select: text;
  user-select: text;
}
body.webcam #title {
  background: rgba(0, 0, 0, 0.5);
}

/* ---- webcam background ---- */
#webcam {
  position: fixed;
  top: 50%;
  left: 50%;
  /* rotate a landscape camera to fill the portrait canvas */
  width: 100vh;
  height: 100vw;
  object-fit: cover;
  transform: translate(-50%, -50%) rotate(90deg);
  z-index: -1;
  background: #000;
}

/* ---- blocks ---- */
#blocks {
  position: absolute;
  inset: 0;
}

.block-wrap {
  position: absolute;
  padding: 15px;              /* the hover "margin" around a block */
  touch-action: none;
}
.block-wrap.dragging {
  z-index: 50;
}
.block-wrap.dragging .block {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.block {
  position: relative;
  min-width: 176px;
  max-width: 300px;
  min-height: 56px;
  padding: 8px 16px 9px;
  background: var(--pill);
  border: 1px solid var(--pill-border);
  border-radius: 22px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.28);
  cursor: grab;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 1px;
  align-items: center;
}
.block-wrap.dragging .block {
  cursor: grabbing;
}

.block-label {
  grid-column: 1;
  grid-row: 1;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  outline: none;
  min-width: 8px;
  -webkit-user-select: text;
  user-select: text;
  cursor: text;
}

/* the "mandatory _" placeholder only shows while the block is hovered */
.block-label:empty::before,
.block-icon:empty::before {
  content: "";
}
.block-wrap:hover .block-label:empty::before,
.block-wrap:hover .block-icon:empty::before,
#titlebox:hover #title:empty::before {
  content: "_";
  opacity: 0.4;
}

.block-pin {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink);
  background: #f1f1f1;
  border: none;
  border-radius: 999px;
  padding: 2px 8px;
  cursor: pointer;
  white-space: nowrap;
}
.block-pin b {
  color: var(--ink-strong);
  font-weight: 600;
  margin-left: 3px;
}
.block-pin.unset {
  color: #bdbdbd;
}

.block-main {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.block-value {
  font-size: 27px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.block-value.dim {
  color: #cfcfcf;
}
.block-value .unit {
  font-size: 16px;
  margin-left: 2px;
}

.block-icon {
  font-size: 22px;
  line-height: 1;
  outline: none;
  min-width: 10px;
  margin-left: auto;          /* push it to the far right of the block */
  text-align: right;
  cursor: text;
  -webkit-user-select: text;
  user-select: text;
}

/* sparkline / PWM duty editor: a compact strip to the LEFT of the value */
.block-spark {
  flex: 0 0 auto;
  width: 52px;
  height: 24px;
  overflow: visible;
  display: block;
}
.block-pwm {
  flex: 0 0 auto;
  width: 58px;
  height: 18px;
  margin: 0;
  padding: 0;
  cursor: pointer;
  accent-color: var(--accent);
}
.block-spark path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.block-spark circle {
  fill: var(--accent);
}

/* close cross — visible on hover of the padded wrap, or when pinned by long-press */
.block-close {
  position: absolute;
  top: -9px;
  right: -9px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: #141414;
  color: #fff;
  font-size: 13px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 2;
}
.block-wrap:hover .block-close,
.block-wrap.armed .block-close {
  opacity: 1;
  transform: scale(1);
}

/* ---- top-right tools ---- */
#tools {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
#add {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: #fff;
  color: #222;
  font-size: 30px;
  font-weight: 300;
  line-height: 44px;
  cursor: pointer;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.45);
}
#add:active {
  transform: scale(0.94);
}
#device {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #eee;
  font: 500 12px/1 var(--font);
  padding: 7px 11px 7px 9px;
  cursor: pointer;
  backdrop-filter: blur(4px);
}
#device .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8a8a8a;
}
#device.is-connecting .dot,
#device.is-flashing .dot {
  background: #f0a020;
  animation: pulse 1s ease-in-out infinite;
}
#device.is-running .dot {
  background: #37c26b;
}
#device.is-error .dot {
  background: #e2483d;
}
@keyframes pulse {
  50% {
    opacity: 0.35;
  }
}

/* ---- flash progress ---- */
#progress {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  width: min(340px, 82vw);
  z-index: 7;
  background: rgba(20, 20, 20, 0.92);
  border-radius: 12px;
  padding: 12px 14px;
  color: #eee;
  font: 500 12px var(--font);
}
#progress .bar {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.15);
  overflow: hidden;
  margin-bottom: 7px;
}
#progress .bar::after {
  content: "";
  display: block;
  height: 100%;
  width: var(--p, 0%);
  background: var(--accent);
  transition: width 0.2s ease;
}

/* ---- popovers ---- */
#layer {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
}
#layer.open {
  display: block;
}
.popover {
  position: absolute;
  min-width: 168px;
  max-width: 264px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  padding: 6px;
  font: 500 13px var(--font);
  color: #333;
}
.popover h4 {
  margin: 6px 8px 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #999;
}
.popover button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 8px;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  padding: 8px 9px;
  border-radius: 9px;
  cursor: pointer;
}
.popover button:hover {
  background: #f2f2f2;
}
.popover button[aria-checked="true"]::after {
  content: "✓";
  margin-left: auto;
  color: var(--accent);
}
.popover .pins {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  padding: 4px 6px 6px;
}
.popover .pins button {
  justify-content: center;
  padding: 7px 0;
  background: #f2f2f2;
}
.popover .pins button.sel {
  background: var(--accent);
  color: #fff;
}
.popover .sep {
  height: 1px;
  background: #eee;
  margin: 5px 4px;
}
.popover .text-field {
  padding: 3px 8px 6px;
}
.popover .text-field input {
  width: 100%;
  font: inherit;
  padding: 7px 9px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fafafa;
  color: #222;
  outline: none;
}
.popover .text-field input:focus {
  border-color: var(--accent);
  background: #fff;
}
.popover .hint {
  margin: 2px 9px 6px;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.35;
  color: #999;
}
/* ---- toast ---- */
#toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 8;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  pointer-events: none;
}
#toast div {
  background: rgba(20, 20, 20, 0.92);
  color: #f4f4f4;
  font: 500 12.5px var(--font);
  padding: 9px 14px;
  border-radius: 999px;
  max-width: 84vw;
  text-align: center;
}