:root {
  --bg: #f7f7f9;
  --fg: #0f172a;
  --muted: #64748b;
  --card: #ffffff;
  --border: #e5e7eb;
  --primary: #3b82f6;
  --primary-2: #8b5cf6;
  --danger: #ef4444;
  --accent: #f1f5f9;
}
:root[data-theme="dark"] {
  --bg: #0b1020;
  --fg: #e6e9f2;
  --muted: #94a3b8;
  --card: #11172a;
  --border: #1f2740;
  --accent: #1a2236;
}
* { box-sizing: border-box; }
html,body { margin:0; padding:0; background: var(--bg); color: var(--fg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--primary); }
.container { max-width: 880px; margin: 0 auto; padding: 16px; }
header.app {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
header.app .row { display:flex; align-items:center; justify-content:space-between; padding: 12px 16px; max-width: 880px; margin: 0 auto; }
.title { display:flex; align-items:center; gap:8px; font-weight: 600; }
.title .dot { width:10px; height:10px; border-radius:50%; background: var(--primary); }
.icon-btn { background: transparent; border: 0; color: var(--fg); cursor: pointer; padding: 8px; border-radius: 8px; }
.icon-btn:hover { background: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card + .card { margin-top: 16px; }
.card-header { display:flex; align-items:center; justify-content:space-between; gap:8px; margin-bottom: 12px; }
.card-title { font-weight: 600; margin: 0; }
.muted { color: var(--muted); font-size: 12px; }

.timer { text-align:center; padding: 24px 8px; }
.timer .label { text-transform: uppercase; letter-spacing: .15em; font-size: 11px; color: var(--muted); }
.timer .clock { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 56px; font-weight: 600; letter-spacing: .04em; margin: 12px 0; }
.timer .clock.idle { color: color-mix(in oklab, var(--muted) 80%, transparent); }
.timer .clock.running { background: linear-gradient(135deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.timer .rate { font-size: 13px; color: var(--muted); margin-bottom: 18px; }

.btn { display:inline-flex; align-items:center; gap:8px; border: 1px solid var(--border); background: var(--card); color: var(--fg); padding: 9px 14px; border-radius: 10px; cursor: pointer; font-size: 14px; }
.btn:hover { background: var(--accent); }
.btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
}
.btn.primary:hover {
  filter: brightness(1.08);
}
.btn.primary.big {
  position: relative;
  isolation: isolate;
  color: #fff;
  border: 0;
  background: linear-gradient(
    120deg,
    oklch(0.7 0.18 155) 0%,
    oklch(0.6 0.2 200) 28%,
    oklch(0.58 0.22 280) 55%,
    oklch(0.62 0.2 330) 80%,
    oklch(0.7 0.18 155) 100%
  );
  background-size: 250% 250%;
  animation: gradShift 5s ease-in-out infinite;
  box-shadow:
    0 0 0 1px oklch(1 0 0 / 0.1) inset,
    0 10px 30px -10px oklch(0.62 0.22 260 / 0.55),
    0 0 24px -6px oklch(0.72 0.2 200 / 0.45);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.3s ease, filter 0.3s ease;
}
.btn.primary.big::before {
  content: ""; position: absolute; inset: -2px; border-radius: inherit; z-index: -1;
  background: conic-gradient(from 0deg,
    oklch(0.78 0.2 60), oklch(0.72 0.22 200), oklch(0.68 0.25 285),
    oklch(0.72 0.22 330), oklch(0.78 0.2 60));
  filter: blur(10px); opacity: 0.55;
  animation: ai-conic-spin 6s linear infinite;
}
.btn.primary.big::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(110deg, transparent 35%, oklch(1 0 0 / 0.4) 50%, transparent 65%);
  transform: translateX(-120%);
  animation: ai-shimmer 3.2s ease-in-out infinite;
  pointer-events: none; mix-blend-mode: overlay;
}
.btn.primary.big:hover {
  transform: translateY(-1px) scale(1.02);
  animation-duration: 2.5s;
  filter: brightness(1.08) saturate(1.1);
  box-shadow:
    0 0 0 1px oklch(1 0 0 / 0.14) inset,
    0 14px 40px -10px oklch(0.62 0.22 260 / 0.7),
    0 0 32px -4px oklch(0.72 0.2 200 / 0.6);
}
.btn.primary.big:active { transform: translateY(0) scale(0.99); }

.btn.danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn.danger.big {
  position: relative;
  animation: stop-breathe 1.6s ease-in-out infinite;
}
.btn.danger.big::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  box-shadow: 0 0 0 0 oklch(0.65 0.22 25 / 0.6);
  animation: stop-ring 1.6s ease-out infinite;
  pointer-events: none;
}
.btn.big { padding: 12px 28px; border-radius: 999px; font-size: 16px; }
.btn.sm { padding: 6px 10px; font-size: 12px; border-radius: 8px; }
.btn.ghost { border-color: transparent; background: transparent; }

@keyframes gradShift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@keyframes ai-conic-spin { to { transform: rotate(360deg); } }
@keyframes ai-shimmer { 0%{transform:translateX(-120%)} 60%,100%{transform:translateX(120%)} }
@keyframes stop-breathe { 0%,100%{filter:brightness(1);transform:scale(1)} 50%{filter:brightness(1.1);transform:scale(1.02)} }
@keyframes stop-ring {
  0% { box-shadow: 0 0 0 0 oklch(0.65 0.22 25 / 0.6); }
  70% { box-shadow: 0 0 0 16px oklch(0.65 0.22 25 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.65 0.22 25 / 0); }
}

.toolbar { display:flex; flex-wrap: wrap; align-items:center; gap:8px; }
.toolbar .chips { display:flex; gap:6px; flex-wrap:wrap; }
.chip { padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); color: var(--fg); font-size: 12px; cursor:pointer; }
.chip.active { background: var(--primary); color: #fff; border-color: transparent; }

.fields { display:grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.field label { display:block; font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.field input, .field select, .field textarea {
  width:100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--fg); font: inherit;
}

table.entries { width:100%; border-collapse: collapse; font-size: 13px; }
table.entries th, table.entries td { padding: 8px 8px; border-bottom: 1px solid var(--border); text-align:left; vertical-align: top; }
table.entries th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.day-header td { background: var(--accent); font-weight:600; }
.actions { display:flex; gap: 6px; }
.badge { display:inline-block; padding: 2px 8px; border-radius: 999px; background: color-mix(in oklab, var(--primary) 20%, transparent); color: var(--primary); font-size: 11px; }

.popover { position: relative; }
.popover .panel {
  position: absolute; right: 0; top: calc(100% + 6px); width: 320px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px; box-shadow: 0 16px 40px -16px rgba(0,0,0,.25); z-index: 30;
  display: none;
}
.popover.open .panel { display: block; }
.popover .panel h4 { margin: 0 0 4px; font-size: 13px; }
.popover .panel .sep { height: 1px; background: var(--border); margin: 12px 0; }
.popover .panel .stack > * + * { margin-top: 10px; }

.pagination { display:flex; align-items:center; justify-content:space-between; gap:8px; padding: 10px 0; }
.flash { background: color-mix(in oklab, var(--primary) 15%, transparent); border: 1px solid var(--primary); color: var(--fg); padding: 10px 12px; border-radius: 10px; margin-bottom: 12px; }

@media (max-width: 640px) {
  .timer .clock { font-size: 44px; }

  /* Card-style history on mobile, matching the React app */
  table.entries, table.entries tbody { display: block; width: 100%; }
  table.entries thead { display: none; }
  table.entries tr { display: block; }

  table.entries tr.day-header { background: transparent; border: 0; margin: 18px 0 8px; }
  table.entries tr.day-header td {
    background: transparent; border: 0; padding: 0;
    display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
    font-size: 14px; font-weight: 600;
  }

  table.entries tr.entry {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 14px 12px;
    margin-bottom: 10px;
    background: color-mix(in oklab, var(--card) 90%, transparent);
  }
  table.entries tr.entry td { border: 0; padding: 0; display: block; }

  table.entries tr.entry .cell-start,
  table.entries tr.entry .cell-stop {
    display: inline;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 16px;
  }
  table.entries tr.entry .cell-start::after {
    content: " →  ";
    color: var(--muted);
    font-family: inherit;
  }
  table.entries tr.entry .cell-stop.running { color: oklch(0.72 0.17 155); font-weight: 600; }

  table.entries tr.entry .cell-dur,
  table.entries tr.entry .cell-earn {
    display: inline-block;
    width: 48%;
    margin-top: 14px;
    vertical-align: top;
  }
  table.entries tr.entry .cell-dur::before,
  table.entries tr.entry .cell-earn::before {
    content: attr(data-label);
    display: block;
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 4px;
  }
  table.entries tr.entry .cell-dur,
  table.entries tr.entry .cell-earn {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 15px;
  }

  table.entries tr.entry .cell-memo:not(:empty) {
    margin-top: 10px; font-size: 13px; color: var(--muted);
  }
  table.entries tr.entry .cell-memo:empty { display: none; }

  table.entries tr.entry .cell-actions {
    position: absolute;
    top: 10px;
    right: 10px;
  }
  table.entries tr.entry .cell-actions .actions { gap: 2px; }
  table.entries tr.entry .cell-actions .btn.sm { padding: 6px 8px; font-size: 14px; }
}


/* Edit modal */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:16px}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(2px)}
.modal-panel{position:relative;background:var(--card);color:var(--fg);border:1px solid var(--border);border-radius:14px;padding:20px;width:100%;max-width:520px;box-shadow:0 20px 60px rgba(0,0,0,.35);animation:modal-in .18s ease-out}
.modal-panel h3{color:var(--fg)}
.modal-panel .field label{color:var(--muted)}
@keyframes modal-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}

/* Lock screen */
.lock-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;background:linear-gradient(180deg,#0b1220,#0f172a)}
.lock-wrap{width:100%;max-width:380px}
.lock-card{padding:28px;border-radius:16px;text-align:center;color:#e5e7eb;background:rgba(17,24,39,.85);border:1px solid rgba(255,255,255,.08);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lock-card h1{margin:8px 0 2px;font-size:18px}
.lock-card .lock-icon{font-size:28px;margin-bottom:6px}
.lock-card .stack{display:flex;flex-direction:column;gap:10px;text-align:left;margin-top:14px}
.lock-card .stack label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#9ca3af}
.lock-card .stack input{padding:10px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#e5e7eb}
.lock-card .btn.lg{padding:12px 16px;font-size:15px}
.lock-card .fp-btn{display:flex;align-items:center;justify-content:center;gap:10px}
.lock-card .fp-ico{font-size:22px}
.lock-card .remember{display:flex;align-items:center;gap:6px;justify-content:center;font-size:12px;color:#9ca3af;margin-top:10px}
.lock-card .lock-actions{margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:6px}
.lock-card .link{color:#93c5fd;font-size:12px;text-decoration:none}
.lock-card .link:hover{text-decoration:underline}
.lock-card .link.danger{color:#fca5a5;font-size:11px}
.lock-card .flash.err{background:rgba(239,68,68,.15);color:#fecaca;padding:8px;border-radius:8px;margin-top:10px;font-size:12px}
.lock-card .small{font-size:11px}