:root{
  --bg: #0f1319;
  --panel: #161c24;
  --panel-2: #1b222c;
  --line: #2a323d;
  --text: #e6e9ee;
  --text-dim: #8b93a1;
  --text-faint: #5b6472;
  --accent: #5eead4;
  --accent-dim: #2f6f66;
  --warm: #f0a868;
  --radius: 10px;
}

*{ box-sizing: border-box; }

html,body{
  margin:0; padding:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body{
  background-image:
    linear-gradient(rgba(94,234,212,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94,234,212,0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center top;
  min-height: 100vh;
}

.wrap{
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

header{
  margin-bottom: 28px;
}

.eyebrow{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}

h1{
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

header p{
  color: var(--text-dim);
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
  max-width: 56ch;
}

.panel{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}

.panel-label{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 12px;
}

textarea{
  width: 100%;
  min-height: 190px;
  resize: vertical;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.7;
  padding: 14px;
  tab-size: 4;
}

textarea::placeholder{ color: var(--text-faint); }

textarea:focus-visible, button:focus-visible, .btn:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.actions{
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn{
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease;
}
.btn:hover{ border-color: var(--accent-dim); }
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: var(--accent);
  color: #08201c;
  border-color: var(--accent);
}
.btn-primary:hover{ background: #7ff2e2; border-color: #7ff2e2; }

.btn-ghost{
  background: transparent;
  color: var(--text-dim);
}

.btn-danger{
  background: transparent;
  color: var(--warm);
  border-color: #4a3624;
}
.btn-danger:hover{ border-color: var(--warm); }

.notice{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--warm);
  margin-top: 12px;
  display: none;
}
.notice.show{ display: block; }

/* Digital readout */
.readout{
  background: #081210;
  border: 1px solid #1d3a34;
  border-radius: 8px;
  padding: 22px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.readout::before{
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, rgba(94,234,212,0.03) 0px, rgba(94,234,212,0.03) 1px,
    transparent 1px, transparent 3px
  );
  pointer-events: none;
}
.readout .value{
  font-family: 'JetBrains Mono', monospace;
  font-size: 44px;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 18px rgba(94,234,212,0.45);
  letter-spacing: 0.01em;
  line-height: 1;
}
.readout .value small{
  font-size: 16px;
  font-weight: 500;
  color: var(--accent-dim);
  margin-left: 4px;
}
.readout .caption{
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #3f6b62;
  margin-top: 8px;
}

.stat-row{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.stat-box{
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
}
.stat-box .num{
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.stat-box .lbl{
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.disclaimer{
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-faint);
  font-style: italic;
}
.disclaimer-standalone{
  margin: 0;
  font-size: 12.5px;
  font-style: normal;
  color: var(--text-dim);
}

/* Oscilloscope chart */
.scope{
  background: #081210;
  border: 1px solid #1d3a34;
  border-radius: 8px;
  padding: 14px 14px 8px;
}
.scope svg{ display: block; width: 100%; height: auto; }
.scope-label{
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  fill: #3f6b62;
}
.scope-ylabel{
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  fill: #3f6b62;
}
.scope-axis-title{
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: #2c5148;
}
.scope-legend{
  font-family: 'Inter', sans-serif;
  font-size: 10.5px;
  fill: var(--text-dim);
}

/* Day groups */
.day{
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.day:last-child{ margin-bottom: 0; }

.day-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 11px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}
.day-date{
  font-size: 13.5px;
  font-weight: 600;
}
.day-total{
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}

.entry{
  display: grid;
  grid-template-columns: 118px 64px 1fr;
  gap: 12px;
  padding: 9px 14px;
  font-size: 12.5px;
  border-top: 1px solid var(--line);
}
.entry:first-of-type{ border-top: none; }
.entry .range{
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim);
  white-space: nowrap;
}
.entry .dur{
  font-family: 'JetBrains Mono', monospace;
  color: var(--warm);
  white-space: nowrap;
}
.entry .task{
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.results{ display: none; }
.results.show{ display: block; }

footer{
  margin-top: 30px;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
}

@media (max-width: 520px){
  .entry{ grid-template-columns: 1fr; gap: 2px; }
  .stat-row{ grid-template-columns: 1fr; }
  .readout .value{ font-size: 34px; }
}

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