/* Warna dari logo resmi RYVO IoT: latar biru malam, hijau limau, huruf nyaris hitam. */
:root {
  color-scheme: dark;
  --malam: #000e2c;
  --panel: #05193a;
  --panel-naik: #0a2548;
  --garis: #24466b;
  --teks: #edf4ff;
  --teks-redup: #9db2cc;
  --limau-muda: #cdfb0b;
  --limau: #56eb01;
  --limau-tua: #018a23;
  --glyph: #03080f;
  --kuning: #ffb020;
  --merah: #ff5a4f;
  --merah-teks: #ff9a92;
  --padam: #5d7088;
  --display: "Montserrat", "Segoe UI", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  display: flow-root;
  margin: 0;
  min-height: 100vh;
  background: var(--malam);
  color: var(--teks);
  font: 400 15px/1.5 var(--body);
}

:focus-visible { outline: 3px solid var(--limau-muda); outline-offset: 2px; }

h1, h2, p, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }

/* Sama seperti baris "INTERNET OF THINGS" pada logo. */
h2 {
  font: 600 13px/1.3 var(--display);
  letter-spacing: .2em;
  text-transform: uppercase;
}

/* Tombol tekan memakai gradasi kotak logo, dan turun secara fisik saat ditekan. */
.push, .key {
  border-radius: 8px;
  cursor: pointer;
  font: 700 14px/1 var(--display);
  letter-spacing: .04em;
  transition: transform .06s, box-shadow .06s;
}
.push {
  padding: 15px 24px;
  margin-bottom: 5px;
  background: linear-gradient(160deg, var(--limau-muda), var(--limau) 55%, #16b83a);
  border: 0;
  box-shadow: 0 5px 0 var(--limau-tua);
  color: var(--glyph);
}
.push:active:not(:disabled) { transform: translateY(4px); box-shadow: 0 1px 0 var(--limau-tua); }
.push.off { background: var(--panel-naik); border: 1px solid var(--garis); box-shadow: 0 5px 0 #021231; color: var(--teks); }
.push.off:active:not(:disabled) { box-shadow: 0 1px 0 #021231; }
.push:disabled, .key:disabled { opacity: .4; cursor: not-allowed; }

.key {
  min-width: 46px;
  min-height: 46px;
  margin-bottom: 3px;
  background: var(--panel-naik);
  border: 1px solid var(--garis);
  box-shadow: 0 3px 0 #021231;
  color: var(--teks);
}
.key:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 #021231; }
.key.wide { padding: 0 16px; }

.ghost {
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--garis);
  border-radius: 6px;
  color: var(--teks);
  cursor: pointer;
  font: 500 14px/1 var(--body);
}
.ghost:hover { background: var(--panel-naik); }

.link {
  padding: 0;
  background: none;
  border: 0;
  color: var(--limau-muda);
  cursor: pointer;
  font: 500 13px/1.4 var(--body);
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 2px;
}

label { display: block; font-weight: 500; font-size: 14px; }
label.short { max-width: 240px; }
input, textarea {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 10px 11px;
  background: var(--malam);
  border: 1px solid var(--garis);
  border-radius: 6px;
  color: var(--teks);
  font: 400 16px/1.4 var(--body);
}
input[type="file"] { padding: 8px; font-size: 14px; }

.error { min-height: 21px; color: var(--merah-teks); font-size: 14px; }
.hint { color: var(--teks-redup); font-size: 13px; }
.hint.warn { color: var(--kuning); font-weight: 500; }
.mono { font-family: var(--mono); }

/* Masuk: gambar logo berlatar sama dengan halaman, jadi menyatu tanpa bingkai. */
.login {
  display: grid;
  gap: 12px;
  width: min(340px, calc(100vw - 32px));
  margin: 6vh auto 32px;
}
.login-logo { display: block; width: 100%; max-width: 285px; height: auto; margin: 0 auto 8px; }
.login input { margin-top: 0; }

/* Kerangka */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--garis);
}
.brand { display: flex; align-items: center; gap: 12px; margin: 0; }
.brand-ikon { display: block; width: 42px; height: 42px; }
.brand-nama { display: block; width: 164px; height: auto; }
.summary { flex: 1 1 auto; color: var(--teks-redup); font: 400 13px/1.3 var(--mono); }

.board {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  grid-template-areas: "devices composer" "devices history";
  grid-template-rows: auto 1fr;
  gap: 24px 28px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
}
.devices { grid-area: devices; }
.composer { grid-area: composer; }
.history { grid-area: history; min-width: 0; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 12px;
  margin-bottom: 12px;
}

/* Kartu perangkat */
.plates { display: grid; gap: 10px; }
.plate {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 2px 14px;
  padding: 13px 14px;
  background: var(--panel);
  border: 1px solid var(--garis);
  border-radius: 12px;
}
.plate.selected { border-color: var(--limau); box-shadow: inset 0 0 0 1px var(--limau), 0 0 18px rgb(86 235 1 / .14); }
.plate-name {
  overflow: hidden;
  font: 700 16px/1.25 var(--display);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.plate-meta { color: var(--teks-redup); font: 400 12px/1.4 var(--mono); }
.plate-actions { grid-column: 2 / -1; display: flex; gap: 14px; margin-top: 6px; }
.plate-actions .link { font-size: 12px; color: var(--teks-redup); }

/* Lampu indikator */
.lamp {
  width: 18px;
  height: 18px;
  flex: none;
  border-radius: 50%;
  background: var(--padam);
}
.lamp.on { background: radial-gradient(circle at 35% 30%, var(--limau-muda), var(--limau) 65%); box-shadow: 0 0 12px 2px rgb(86 235 1 / .6); }
.lamp.pending { background: var(--kuning); box-shadow: 0 0 10px 1px rgb(255 176 32 / .55); animation: blink 1.1s steps(2, jump-none) infinite; }
.lamp.fail { background: var(--merah); box-shadow: 0 0 10px 1px rgb(255 90 79 / .5); }
@keyframes blink { to { opacity: .4; } }

/* Saklar pilih perangkat */
.rocker { position: relative; display: block; width: 46px; height: 26px; cursor: pointer; }
.rocker input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.rocker span {
  position: absolute;
  inset: 0;
  background: var(--panel-naik);
  border: 1px solid var(--garis);
  border-radius: 13px;
  transition: background .1s;
}
.rocker span::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--teks-redup);
  border-radius: 50%;
  transition: transform .1s;
}
.rocker input:checked + span { background: var(--limau); border-color: var(--limau); }
.rocker input:checked + span::after { background: var(--glyph); transform: translateX(20px); }
.rocker input:focus-visible + span { outline: 3px solid var(--limau-muda); outline-offset: 2px; }

/* Panel perintah */
.composer {
  padding: 18px 20px 16px;
  background: var(--panel);
  border: 1px solid var(--garis);
  border-radius: 14px;
}
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tabs button {
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--garis);
  border-radius: 6px;
  color: var(--teks);
  cursor: pointer;
  font: 500 14px/1 var(--body);
}
.tabs button:hover { background: var(--panel-naik); }
.tabs button[aria-selected="true"] { background: var(--limau); border-color: var(--limau); color: var(--glyph); font-weight: 600; }
.tabs button.muted:not([aria-selected="true"]) { color: var(--padam); }

.panel { display: grid; gap: 14px; justify-items: start; }
.panel > label:not(.short) { width: 100%; }
.pair { display: flex; flex-wrap: wrap; gap: 10px; }
.inline { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; width: 100%; }
.inline label { flex: 1 1 220px; }

.pad-row { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.pad-side { display: grid; gap: 12px; }
.dpad {
  display: grid;
  grid-template: repeat(3, 50px) / repeat(3, 50px);
  gap: 3px;
}
.dpad .up { grid-area: 1 / 2; }
.dpad .left { grid-area: 2 / 1; }
.dpad .right { grid-area: 2 / 3; }
.dpad .down { grid-area: 3 / 2; }

.feedback { min-height: 22px; margin: 12px 0 8px; font-size: 14px; font-weight: 500; }
.feedback.bad { color: var(--merah-teks); }

/* Riwayat */
.log { border-top: 1px solid var(--garis); }
.log li {
  display: grid;
  grid-template-columns: auto 74px minmax(0, 1fr) auto;
  align-items: center;
  gap: 2px 12px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--garis);
  font-size: 14px;
}
.log .lamp { width: 11px; height: 11px; }
.log time { color: var(--teks-redup); font: 400 12px/1.3 var(--mono); }
.log-what { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-what b { font-weight: 600; }
.log-status { color: var(--teks-redup); font-size: 13px; text-align: right; }
.log-error { grid-column: 3 / -1; color: var(--merah-teks); font-size: 13px; }

.empty {
  display: grid;
  gap: 14px;
  justify-items: start;
  padding: 18px;
  border: 1px dashed var(--garis);
  border-radius: 12px;
  color: var(--teks-redup);
}

/* Dialog pemasangan */
.pair-dialog {
  width: min(460px, calc(100vw - 32px));
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--garis);
  border-radius: 14px;
  color: var(--teks);
}
.pair-dialog::backdrop { background: rgb(0 7 24 / .75); }
.pair-dialog > * + * { margin-top: 12px; }
.pair-dialog dt { margin-top: 12px; color: var(--teks-redup); font-size: 13px; }
.pair-dialog dd { overflow-wrap: anywhere; }
.code {
  color: var(--limau-muda);
  font: 600 34px/1.2 var(--mono);
  letter-spacing: .14em;
  user-select: all;
}

@media (max-width: 820px) {
  .topbar { gap: 10px 8px; padding: 10px 16px; }
  .topbar .ghost { padding: 9px 10px; }
  .summary { order: 3; flex-basis: 100%; }
  .brand { margin-right: auto; flex-basis: 100%; }
  .board {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "devices" "composer" "history";
    grid-template-rows: none;
    padding: 16px;
  }
  .composer { padding: 14px; }
  .log li { grid-template-columns: auto minmax(0, 1fr) auto; }
  .log time { grid-column: 2 / -1; grid-row: 2; }
  .log-error { grid-column: 2 / -1; }
  .code { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}