/* ÇANTA — beton brutalizm */
:root {
  --beton: #c9c5bc;
  --beton-koyu: #b0aca2;
  --murekkep: #131311;
  --turuncu: #ff5c00;
  --yesil: #1f7a33;
  --kagit: #dedbd3;
  --cizgi: 3px solid var(--murekkep);
  --golge: 6px 6px 0 var(--murekkep);
}
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  font-family: "Arial Black", "Segoe UI", system-ui, sans-serif;
  background: var(--beton);
  color: var(--murekkep);
  overflow: hidden;
  user-select: none;
}
button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ── telefon kabuğu ── */
#phone { width: 100%; height: 100dvh; }
#phone-screen { position: relative; width: 100%; height: 100%; overflow: hidden; background: var(--beton); }
#intro { display: none; }

.screen {
  display: none;
  position: absolute; inset: 0;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overflow-y: auto;
}
.screen.active { display: flex; }

/* ── hub ── */
.hub-head { padding: 28px 20px 12px; border-bottom: var(--cizgi); }
.hub-logo { display: flex; align-items: center; gap: 12px; }
.logo-svg { width: 44px; height: 44px; }
.hub-head h1 { font-size: 44px; letter-spacing: 2px; line-height: 1; }
.hub-sub { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; margin-top: 8px; color: #444; }

.tool-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 18px;
  align-content: start;
}
.tool-card {
  position: relative;
  background: var(--kagit);
  border: var(--cizgi);
  box-shadow: var(--golge);
  padding: 16px 12px 14px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  text-align: left;
  transition: transform .06s, box-shadow .06s;
}
.tool-card:active { transform: translate(4px, 4px); box-shadow: 2px 2px 0 var(--murekkep); }
.tool-card svg { width: 40px; height: 40px; }
.tc-name { font-size: 15px; font-weight: 900; letter-spacing: .5px; }
.tc-desc { font-size: 10px; font-weight: 700; color: #555; letter-spacing: .3px; }
.tc-badge {
  position: absolute; top: -10px; right: -8px;
  background: var(--turuncu); color: #fff;
  font-size: 10px; font-weight: 900; letter-spacing: 1px;
  padding: 4px 8px; border: 2px solid var(--murekkep);
}
.hub-foot {
  display: flex; gap: 10px; justify-content: center; align-items: center;
  padding: 14px; font-size: 10px; font-weight: 900; letter-spacing: 2px;
  border-top: var(--cizgi); color: #444;
}
.foot-dot { color: var(--turuncu); }

/* ── tool ortak ── */
.tool-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-bottom: var(--cizgi);
  background: var(--beton-koyu);
}
.tool-head h2 { flex: 1; font-size: 20px; letter-spacing: 1px; }
.btn-back {
  width: 44px; height: 44px; font-size: 22px; font-weight: 900;
  background: var(--kagit); border: var(--cizgi); box-shadow: 3px 3px 0 var(--murekkep);
}
.btn-back:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--murekkep); }
.btn-head {
  font-size: 11px; font-weight: 900; letter-spacing: 1px;
  padding: 10px 12px; background: var(--kagit); border: var(--cizgi);
  box-shadow: 3px 3px 0 var(--murekkep); min-width: 44px;
}
.btn-head:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--murekkep); }
.btn-head.ghost { visibility: hidden; }
.tool-body {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 18px; padding: 24px 20px;
}
.big-readout {
  font-size: 72px; font-weight: 900; letter-spacing: -2px;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.readout-row { display: flex; gap: 12px; width: 100%; max-width: 380px; justify-content: center; align-items: stretch; }
.readout {
  flex: 1; background: var(--kagit); border: var(--cizgi);
  padding: 10px; display: flex; flex-direction: column; gap: 4px; align-items: center;
}
.ro-label { font-size: 10px; font-weight: 900; letter-spacing: 1.5px; color: #555; }
.ro-val { font-size: 22px; font-weight: 900; font-variant-numeric: tabular-nums; }
.sensor-note { font-size: 11px; font-weight: 700; color: #555; text-align: center; max-width: 340px; line-height: 1.5; }
.btn-big {
  width: 100%; max-width: 380px; padding: 18px;
  font-size: 16px; font-weight: 900; letter-spacing: 1px;
  background: var(--murekkep); color: var(--beton);
  border: var(--cizgi); box-shadow: var(--golge);
}
.btn-big:active { transform: translate(3px,3px); box-shadow: 2px 2px 0 var(--murekkep); }
.btn-big.warn { background: var(--turuncu); color: #fff; }

/* ── su terazisi ── */
.level-round {
  position: relative; width: min(64vw, 280px); aspect-ratio: 1;
  border: var(--cizgi); border-radius: 50%;
  background: radial-gradient(circle, #d8d5cd 0%, var(--beton-koyu) 100%);
  box-shadow: var(--golge);
}
.level-cross::before, .level-cross::after {
  content: ""; position: absolute; background: rgba(19,19,17,.35);
}
.level-cross::before { left: 50%; top: 6%; bottom: 6%; width: 2px; transform: translateX(-1px); }
.level-cross::after { top: 50%; left: 6%; right: 6%; height: 2px; transform: translateY(-1px); }
.level-target {
  position: absolute; left: 50%; top: 50%; width: 56px; height: 56px;
  transform: translate(-50%,-50%);
  border: 3px solid var(--murekkep); border-radius: 50%;
}
.level-bubble {
  position: absolute; left: 50%; top: 50%; width: 44px; height: 44px;
  transform: translate(-50%,-50%);
  background: #9fd44a; border: 3px solid var(--murekkep); border-radius: 50%;
  transition: background .2s;
}
.level-bubble.ok { background: #3fe463; }
.level-vial {
  position: relative; width: min(78vw, 340px); height: 54px;
  border: var(--cizgi); background: var(--kagit); box-shadow: var(--golge);
  overflow: hidden;
}
.vial-lines::before, .vial-lines::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 3px; background: var(--murekkep);
}
.vial-lines::before { left: calc(50% - 26px); }
.vial-lines::after { left: calc(50% + 23px); }
.level-bubble.small { width: 38px; height: 38px; }

/* ── eğim ── */
.egim-dial { width: min(88vw, 400px); }
#egim-svg { width: 100%; }
#egim-ticks line { stroke: #131311; stroke-width: 2; }
#egim-ticks text { font-size: 9px; font-weight: 900; fill: #131311; }
#egim-needle { transition: transform .08s linear; transform-origin: 100px 110px; }

/* ── cetvel ── */
#scr-cetvel, #scr-kumpas { overflow: hidden; }
.cetvel-body { padding: 0; gap: 0; min-height: 0; }
.cetvel-body canvas { width: 100%; flex: 1; min-height: 0; touch-action: none; background: var(--kagit); }
.cetvel-info {
  display: flex; gap: 12px; align-items: stretch; padding: 14px 16px;
  border-top: var(--cizgi); width: 100%; background: var(--beton-koyu);
}
.cetvel-info .readout { flex: 1; }
.btn-unit {
  min-width: 80px; font-size: 18px; font-weight: 900;
  background: var(--kagit); border: var(--cizgi); box-shadow: 3px 3px 0 var(--murekkep);
}
.btn-unit:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--murekkep); }
.cal-panel {
  position: absolute; inset: 0; z-index: 5;
  background: var(--beton);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 20px; padding: 24px;
}
.cal-panel[hidden] { display: none; }
.cal-panel p { font-size: 13px; font-weight: 700; text-align: center; max-width: 320px; line-height: 1.5; }
#cal-slider { width: min(80vw, 340px); }
.cal-card {
  height: 190px; background: var(--kagit); border: var(--cizgi); box-shadow: var(--golge);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 900; letter-spacing: 1px; color: #555;
}

/* ── dB ── */
.db-unit { font-size: 14px; font-weight: 900; letter-spacing: 2px; color: #555; margin-top: -10px; }
.db-bar-wrap {
  width: 100%; max-width: 380px; height: 34px;
  border: var(--cizgi); background: var(--kagit); box-shadow: var(--golge);
}
.db-bar { height: 100%; width: 0%; background: var(--yesil); transition: width .1s linear, background .2s; }
.db-bar.mid { background: var(--turuncu); }
.db-bar.hot { background: #d41c1c; }
.db-scale { font-size: 11px; font-weight: 700; color: #555; text-align: center; line-height: 1.6; }

/* ── rpm ── */
#rpm-slider { width: 100%; max-width: 380px; accent-color: var(--turuncu); }
input[type=range] { height: 34px; }
.rpm-fine, .rpm-presets { display: flex; gap: 10px; width: 100%; max-width: 380px; }
.btn-fine, .btn-preset {
  flex: 1; padding: 14px 0; font-size: 15px; font-weight: 900;
  background: var(--kagit); border: var(--cizgi); box-shadow: 3px 3px 0 var(--murekkep);
}
.btn-fine:active, .btn-preset:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--murekkep); }
.btn-preset { background: var(--beton-koyu); }
.btn-fine.wide { flex: 0 0 72px; }
.strobe-layer {
  position: absolute; inset: 0; z-index: 50; background: #000;
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 40px;
}
.strobe-layer[hidden] { display: none; }
.strobe-layer span { color: #666; font-size: 12px; font-weight: 900; letter-spacing: 2px; }
.strobe-layer.flash { background: #fff; }

/* ── sayaç ── */
.sayac-body { padding: 20px; }
.sayac-pad {
  flex: 1; width: 100%; max-width: 420px;
  background: var(--kagit); border: var(--cizgi); box-shadow: var(--golge);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.sayac-pad:active { background: #cfccc4; }
.sayac-pad .big-readout { font-size: 110px; }
.sayac-hint { font-size: 11px; font-weight: 900; letter-spacing: 2px; color: #555; }
.sayac-pad.done { background: #b6e8c0; }

/* ── kamera ekranları (şakül, büyüteç, ayna) ── */
.cam-wrap {
  position: relative; flex: 1; min-height: 0; overflow: hidden;
  background: #22211f; border-bottom: var(--cizgi);
}
.cam-wrap video, .cam-wrap canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transform-origin: center;
}
#sakul-canvas { object-fit: unset; }
video.mirrored { transform: scaleX(-1); }
.cam-readout {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  background: var(--murekkep); color: var(--beton);
  font-size: 26px; font-weight: 900; font-variant-numeric: tabular-nums;
  padding: 6px 16px; border: 2px solid var(--beton);
}
.cam-controls {
  display: flex; flex-direction: column; gap: 12px; align-items: center;
  padding: 16px 20px;
}
.cam-controls input[type=range] { width: 100%; max-width: 380px; accent-color: var(--turuncu); }
.sensor-note.pad { padding: 0 20px 16px; align-self: center; }
.hidden-video { position: absolute; width: 2px; height: 2px; opacity: 0; pointer-events: none; }

/* ── akort ── */
.cent-wrap {
  position: relative; width: 100%; max-width: 380px; height: 60px;
  border: var(--cizgi); background: var(--kagit); box-shadow: var(--golge);
  overflow: hidden;
}
.cent-mid {
  position: absolute; left: 50%; top: 0; bottom: 0; width: 4px;
  transform: translateX(-2px); background: var(--murekkep);
}
.cent-needle {
  position: absolute; left: 50%; top: 6px; bottom: 6px; width: 10px;
  transform: translateX(-5px); background: var(--turuncu);
  border: 2px solid var(--murekkep);
  transition: left .12s linear, background .15s;
}
.cent-needle.ok { background: #3fe463; }

/* ── titreşim ── */
.chart {
  width: 100%; max-width: 380px; height: 120px;
  border: var(--cizgi); box-shadow: var(--golge); background: var(--kagit);
}

/* ── pusula ── */
.pusula-dial-wrap { position: relative; width: min(70vw, 300px); }
.pusula-pointer {
  position: absolute; top: -22px; left: 50%; transform: translateX(-50%);
  font-size: 22px; color: var(--turuncu); z-index: 2;
  text-shadow: 0 0 0 var(--murekkep);
}
#pusula-dial { width: 100%; transition: transform .15s linear; }

/* ── çevirici ── */
.cev-body { align-items: stretch; }
.cev-tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.cev-tab { flex: 0 0 auto; padding: 12px 14px; font-size: 12px; }
.cev-tab.sel { background: var(--murekkep); color: var(--beton); }
.cev-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  max-width: 420px; width: 100%; margin: 0 auto; align-items: center;
}
.cev-form[hidden] { display: none; }
#cev-in {
  grid-column: 1; font: inherit; font-size: 26px; font-weight: 900; text-align: right;
  padding: 12px; border: var(--cizgi); background: var(--kagit); width: 100%;
  font-variant-numeric: tabular-nums;
}
.cev-form select {
  font: inherit; font-size: 15px; font-weight: 900; padding: 12px;
  border: var(--cizgi); background: var(--beton-koyu); width: 100%;
}
.cev-eq { grid-column: 1 / -1; text-align: center; font-size: 26px; font-weight: 900; }
.cev-out {
  font-size: 26px; font-weight: 900; text-align: right; padding: 12px;
  border: var(--cizgi); background: var(--murekkep); color: var(--beton);
  overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums;
}
.cev-table-wrap { max-width: 420px; width: 100%; margin: 0 auto; overflow-x: auto; }
.cev-table-wrap[hidden] { display: none; }
.cev-table { width: 100%; border-collapse: collapse; border: var(--cizgi); box-shadow: var(--golge); background: var(--kagit); }
.cev-table th, .cev-table td {
  border: 2px solid var(--murekkep); padding: 9px 8px;
  font-size: 13px; font-weight: 900; text-align: center; font-variant-numeric: tabular-nums;
}
.cev-table th { background: var(--murekkep); color: var(--beton); font-size: 11px; letter-spacing: 1px; }
.cev-table-wrap .sensor-note { margin-top: 10px; }

/* ── ölçüm geçmişi ── */
.meas-box {
  width: 100%; max-width: 380px;
  border: var(--cizgi); background: var(--kagit); box-shadow: var(--golge);
  display: flex; flex-direction: column;
  margin: 4px auto 0;
}
.cetvel-body .meas-box { max-width: none; margin: 0; border-left: 0; border-right: 0; border-bottom: 0; box-shadow: none; flex: 0 0 auto; }
.meas-head {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-bottom: 2px solid var(--murekkep);
  background: var(--beton-koyu);
}
.meas-title { font-size: 10px; font-weight: 900; letter-spacing: 1.2px; flex: 1; }
.meas-filters { display: flex; gap: 4px; }
.meas-f {
  font-size: 10px; font-weight: 900; letter-spacing: .5px;
  padding: 5px 8px; border: 2px solid var(--murekkep); background: var(--kagit);
}
.meas-f.sel { background: var(--murekkep); color: var(--beton); }
.meas-save {
  font-size: 10px; font-weight: 900; letter-spacing: .5px;
  padding: 5px 10px; border: 2px solid var(--murekkep);
  background: var(--turuncu); color: #fff;
}
.meas-save:active, .meas-f:active { transform: translate(1px,1px); }
.meas-list {
  list-style: none; max-height: 148px; overflow-y: auto;
}
.meas-row {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px; border-bottom: 1px solid rgba(19,19,17,.25);
}
.meas-row.pinned { background: rgba(255,92,0,.12); }
.meas-val {
  flex: 1; font-size: 12px; font-weight: 900; font-variant-numeric: tabular-nums;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.meas-time { font-size: 10px; font-weight: 700; color: #666; }
.meas-btn {
  width: 26px; height: 26px; font-size: 13px; font-weight: 900;
  border: 2px solid var(--murekkep); background: var(--kagit); color: #999;
  line-height: 1;
}
.meas-btn.on { background: var(--turuncu); color: #fff; }
.meas-btn.del { color: var(--murekkep); }
.meas-btn:active { transform: translate(1px,1px); }
.meas-empty { padding: 12px 10px; font-size: 11px; font-weight: 700; color: #666; }

/* ── masaüstü mockup: yan panel + telefon çerçevesi ── */
@media (min-width: 1040px) {
  body {
    display: flex; align-items: center; justify-content: center; gap: 64px;
    background:
      repeating-linear-gradient(45deg, rgba(19,19,17,.03) 0 2px, transparent 2px 14px),
      linear-gradient(160deg, #b7b3aa, #a5a198);
  }
  #phone {
    flex: 0 0 400px; width: 400px; height: min(820px, 92vh);
    border: 5px solid var(--murekkep); border-radius: 40px;
    box-shadow: 14px 14px 0 rgba(19,19,17,.9);
    padding: 10px; background: var(--murekkep);
    position: relative;
  }
  #phone::before {
    content: ""; position: absolute; top: 22px; left: 50%; transform: translateX(-50%);
    width: 110px; height: 8px; border-radius: 4px; background: #3a3936; z-index: 60;
  }
  #phone-screen { border-radius: 28px; }

  #intro { display: flex; flex-direction: column; gap: 20px; width: 400px; }
  .intro-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .intro-live {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px; font-weight: 900; letter-spacing: 1.5px;
    background: var(--kagit); border: var(--cizgi); padding: 8px 12px;
    box-shadow: 4px 4px 0 var(--murekkep);
  }
  .live-dot {
    width: 9px; height: 9px; border-radius: 50%; background: #1f7a33;
    animation: pulse 1.6s ease-in-out infinite;
  }
  @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
  .intro-domain { color: #555; font-weight: 700; letter-spacing: .5px; }
  .intro-langs { display: flex; gap: 8px; }
  .lang-btn {
    font-size: 12px; font-weight: 900; letter-spacing: 1px; padding: 8px 14px;
    background: var(--kagit); border: var(--cizgi); box-shadow: 4px 4px 0 var(--murekkep);
  }
  .lang-btn.sel { background: var(--turuncu); color: #fff; }
  .lang-btn:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--murekkep); }
  .intro-logo { display: flex; align-items: center; gap: 14px; }
  .intro-logo .logo-svg { width: 54px; height: 54px; }
  .intro-title { font-size: 56px; font-weight: 900; letter-spacing: 2px; line-height: 1; }
  .intro-slogan {
    font-size: 13px; font-weight: 900; letter-spacing: 3px; color: var(--turuncu);
    margin-top: -8px;
  }
  .intro-lead { font-size: 14px; font-weight: 700; line-height: 1.65; color: #333; }
  .intro-feats { list-style: none; display: flex; flex-direction: column; gap: 12px; }
  .intro-feats li {
    display: flex; gap: 12px; align-items: flex-start;
    background: var(--kagit); border: var(--cizgi); box-shadow: 4px 4px 0 var(--murekkep);
    padding: 12px 14px;
  }
  .intro-feats .fi { color: var(--turuncu); font-size: 14px; line-height: 1.4; }
  .intro-feats b { display: block; font-size: 13px; letter-spacing: 1px; }
  .intro-feats span:not(.fi) { font-size: 12px; font-weight: 700; color: #555; line-height: 1.5; }
  .intro-cta {
    font-size: 15px; font-weight: 900; letter-spacing: 1.5px;
    background: var(--murekkep); color: var(--beton);
    border: var(--cizgi); box-shadow: 6px 6px 0 rgba(19,19,17,.55);
    padding: 16px 18px; text-align: center;
  }
  .intro-note { font-size: 11px; font-weight: 700; color: #666; text-align: center; }
}

@media (min-width: 700px) and (max-width: 1039px) {
  .tool-grid { max-width: 620px; margin: 0 auto; }
  .hub-head, .hub-foot { text-align: center; }
  .hub-logo { justify-content: center; }
}