:root {
  color-scheme: dark;
  --bg: #0e0f11;
  --panel: #111316;
  --card: #16181b;
  --raised: #1c1f23;
  --active: #2b3037;
  --border: #282c31;
  --divider: #202328;
  --text: #eceef1;
  --muted: #969ca4;
  --dim: #6c727a;
  --amber: #f5c065;
  --amber-hover: #ffd98a;
  --on-amber: #16191c;
  --danger: #e85b61;
  --shadow: 0 24px 70px rgba(0,0,0,.42);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body { min-height: 100dvh; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
input, textarea, select {
  width: 100%; border: 1px solid var(--border); background: var(--card); color: var(--text);
  border-radius: 12px; padding: 11px 12px; outline: none; transition: border-color .15s, background .15s;
}
input:focus, textarea:focus, select:focus { border-color: var(--amber); background: #191c20; }
textarea { resize: vertical; min-height: 90px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 600; }
button { border: 0; cursor: pointer; }
[hidden] { display: none !important; }

.app-shell { height: 100dvh; display: flex; flex-direction: column; overflow: hidden; }
.topbar { height: 68px; flex: 0 0 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; background: var(--panel); border-bottom: 1px solid var(--divider); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 720; letter-spacing: -.025em; font-size: 18px; }
.brand-large { font-size: 22px; margin-bottom: 32px; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(245,192,101,.08); }
.topbar-actions { display: flex; align-items: center; gap: 9px; }
.metric-inline { display: grid; text-align: right; margin-right: 12px; }
.metric-inline strong { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 18px; }
.metric-inline span { font-size: 10px; color: var(--muted); }
.icon-btn, .avatar-btn { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: transparent; border: 1px solid transparent; }
.icon-btn:hover, .avatar-btn:hover { background: var(--raised); border-color: var(--border); }
.avatar-btn { background: var(--amber); color: var(--on-amber); font-weight: 800; border-radius: 50%; width: 34px; height: 34px; margin-left: 4px; }

.main-grid { min-height: 0; flex: 1; display: grid; grid-template-columns: minmax(320px, 400px) 1fr; }
.tracker-pane { min-height: 0; overflow-y: auto; background: var(--panel); padding: 26px; display: flex; flex-direction: column; gap: 18px; }
.tracker-card { padding: 22px; border: 1px solid var(--border); border-radius: 22px; background: var(--card); display: grid; gap: 16px; box-shadow: inset 0 1px rgba(255,255,255,.02); }
.tracker-date { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--muted); }
.status-pill { color: var(--amber); background: rgba(245,192,101,.08); border: 1px solid rgba(245,192,101,.25); border-radius: 999px; padding: 4px 8px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.timer-display { padding: 7px 0 0; text-align: center; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: clamp(34px, 5vw, 48px); font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: -.05em; }
.timer-display.running { color: var(--amber); }
.btn { min-height: 40px; padding: 9px 14px; border-radius: 12px; font-weight: 700; border: 1px solid transparent; }
.btn.primary { background: var(--amber); color: var(--on-amber); }
.btn.primary:hover { background: var(--amber-hover); }
.btn.subtle { background: var(--raised); border-color: var(--border); color: var(--text); }
.btn.subtle:hover { background: var(--active); }
.btn.danger { background: rgba(232,91,97,.11); color: #ff9296; border-color: rgba(232,91,97,.28); }
.btn.wide { width: 100%; }
.timer-btn { min-height: 52px; font-size: 16px; }
.link-btn { background: transparent; color: var(--muted); padding: 3px; font-size: 13px; }
.link-btn:hover { color: var(--text); }
.centered { justify-self: center; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.metric-card { background: var(--card); border: 1px solid var(--border); border-radius: 17px; padding: 15px 16px; display: grid; gap: 3px; }
.metric-card span { font-size: 11px; color: var(--muted); }
.metric-card strong { color: var(--amber); font: 700 21px ui-monospace, SFMono-Regular, Menlo, monospace; }
.warning-box, .error-box { border-radius: 12px; padding: 11px 12px; font-size: 13px; }
.warning-box { background: rgba(245,192,101,.08); color: #f6cf8c; border: 1px solid rgba(245,192,101,.22); }
.error-box { background: rgba(232,91,97,.09); color: #ff9aa0; border: 1px solid rgba(232,91,97,.22); margin: 0; }
.sidebar-footer { margin-top: auto; padding-top: 10px; display: flex; justify-content: space-between; color: var(--dim); font-size: 11px; }
.mobile-pane-head { display: none; }

.history-pane { min-width: 0; min-height: 0; display: flex; flex-direction: column; border-left: 1px solid var(--divider); }
.history-head { padding: 25px 28px 15px; display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.history-head h1, .mobile-pane-head h1 { margin: 0; font-size: 31px; line-height: 1; letter-spacing: -.035em; }
.eyebrow { margin: 0 0 7px; color: var(--dim); letter-spacing: .13em; font-size: 10px; font-weight: 800; }
.history-actions { display: flex; gap: 8px; }
.filter-bar { padding: 0 28px 15px; display: grid; grid-template-columns: minmax(180px, 1fr) auto auto; gap: 10px; align-items: center; border-bottom: 1px solid var(--divider); }
.filter-bar input { min-width: 0; }
.period-tabs { display: flex; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 3px; }
.period-tabs button, .period-step button { background: transparent; color: var(--muted); padding: 7px 9px; border-radius: 8px; font-size: 12px; font-weight: 700; }
.period-tabs button.active { background: var(--active); color: var(--text); }
.period-step { display: flex; align-items: center; justify-content: center; gap: 2px; color: var(--muted); white-space: nowrap; }
.period-step span { min-width: 112px; text-align: center; font-size: 12px; }
.period-step button:hover { color: var(--text); background: var(--raised); }
.history-scroll { min-height: 0; flex: 1; overflow-y: auto; padding: 0 28px 20px; }
.entries { display: grid; }
.day-group { min-width: 0; }
.day-heading { position: sticky; top: 0; z-index: 2; padding: 15px 0 8px; display: flex; justify-content: space-between; align-items: baseline; background: linear-gradient(var(--bg) 80%, transparent); }
.day-heading strong { font-size: 13px; }
.day-heading span { color: var(--dim); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.entry-row { width: 100%; display: grid; grid-template-columns: minmax(120px, .8fr) minmax(180px, 1.3fr) 120px 72px 28px; gap: 14px; align-items: center; padding: 12px 14px; margin-bottom: 6px; background: var(--card); border: 1px solid transparent; border-radius: 13px; text-align: left; }
.entry-row:hover { border-color: var(--border); background: var(--raised); }
.entry-client { min-width: 0; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entry-activity { min-width: 0; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entry-time { color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.entry-duration { text-align: right; color: var(--amber); font: 700 13px ui-monospace, SFMono-Regular, Menlo, monospace; }
.entry-chevron { color: var(--dim); font-size: 19px; }
.history-footer { flex: 0 0 50px; border-top: 1px solid var(--divider); display: flex; align-items: center; justify-content: space-between; padding: 0 28px; color: var(--muted); font-size: 12px; }
.history-footer strong { color: var(--text); }
.history-footer span:last-child strong { color: var(--amber); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; margin-left: 8px; }
.empty-state { min-height: 55vh; display: grid; place-items: center; align-content: center; text-align: center; color: var(--muted); }
.empty-state h2 { color: var(--text); margin: 10px 0 4px; font-size: 18px; }
.empty-state p { margin: 0; font-size: 13px; }
.empty-icon { font-size: 40px; color: var(--dim); }
.load-more { display: block; margin: 18px auto 0; }

.modal { width: min(620px, calc(100vw - 28px)); max-height: calc(100dvh - 28px); padding: 0; border: 1px solid var(--border); border-radius: 20px; background: var(--card); color: var(--text); box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(0,0,0,.68); backdrop-filter: blur(5px); }
.modal-wide { width: min(860px, calc(100vw - 28px)); }
.modal-card { padding: 22px; display: grid; gap: 16px; max-height: calc(100dvh - 30px); overflow-y: auto; }
.modal-card.compact { max-width: 520px; }
.modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.modal h2, .modal h3 { margin: 0; letter-spacing: -.025em; }
.modal h2 { font-size: 24px; }
.modal h3 { font-size: 15px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 5px; }
.modal-actions.split { justify-content: initial; }
.spacer { flex: 1; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.settings-grid section { display: grid; gap: 13px; align-content: start; }
.settings-grid h3 { padding-bottom: 4px; }
.check-row { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 500; }
.check-row input { width: 17px; height: 17px; accent-color: var(--amber); }
.admin-section { border-top: 1px solid var(--divider); padding-top: 18px; display: grid; gap: 10px; }
.section-title { display: flex; justify-content: space-between; align-items: center; }
.user-list { display: grid; gap: 7px; }
.user-row { display: grid; grid-template-columns: minmax(140px,1fr) auto auto auto; gap: 9px; align-items: center; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; }
.user-row .user-meta { min-width: 0; display: grid; }
.user-row .user-meta strong, .user-row .user-meta span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.user-row .user-meta span { color: var(--muted); font-size: 11px; }
.role-badge { color: var(--muted); font-size: 11px; background: var(--raised); padding: 4px 7px; border-radius: 999px; }
.export-scope { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 11px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; }
.export-compact { align-self: end; min-height: 42px; padding-bottom: 9px; }
.export-preview { margin: -2px 0 0; padding: 10px 12px; border-radius: 11px; background: var(--bg); border: 1px solid var(--border); color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.export-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.service-report-button { grid-column: 1 / -1; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.toast { position: fixed; z-index: 30; bottom: 24px; left: 50%; transform: translateX(-50%); background: #25292e; border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; box-shadow: var(--shadow); font-size: 13px; }
.mobile-only { display: none; }

.auth-body { display: grid; min-height: 100dvh; place-items: center; background: radial-gradient(circle at 50% 0, #1c1a16 0, var(--bg) 38%); padding: 20px; }
.auth-shell { width: min(440px, 100%); }
.auth-card { background: rgba(22,24,27,.96); border: 1px solid var(--border); border-radius: 24px; padding: 30px; box-shadow: var(--shadow); }
.auth-card h1 { margin: 0 0 7px; font-size: 30px; letter-spacing: -.035em; }
.auth-card .muted { margin: 0 0 22px; line-height: 1.5; }
.form-stack { display: grid; gap: 15px; }
.form-stack .btn { margin-top: 5px; }
.auth-card .error-box { margin-top: 15px; }

@media (max-width: 1050px) {
  .filter-bar { grid-template-columns: 1fr auto; }
  .period-step { grid-column: 1 / -1; justify-self: end; }
  .entry-row { grid-template-columns: minmax(110px,.8fr) minmax(140px,1.2fr) 110px 68px 20px; gap: 9px; }
}
@media (max-width: 820px) {
  .app-shell { overflow: hidden; }
  .topbar { height: 58px; flex-basis: 58px; padding: 0 15px; }
  .metric-inline, #export-open { display: none; }
  .main-grid { display: block; overflow: hidden; }
  .tracker-pane, .history-pane { height: calc(100dvh - 58px); border-left: 0; }
  .tracker-pane { padding: 15px; }
  .history-pane { display: none; }
  body.mobile-history .tracker-pane { display: none; }
  body.mobile-history .history-pane { display: flex; }
  .mobile-pane-head { display: flex; align-items: center; justify-content: space-between; }
  .mobile-only { display: inline-block; }
  .history-head { padding: 16px 15px 12px; align-items: center; }
  .history-title .eyebrow { display: none; }
  .history-title h1 { font-size: 25px; margin-top: 4px; }
  .history-actions #history-export { display: none; }
  .filter-bar { padding: 0 15px 12px; display: flex; flex-wrap: wrap; }
  .filter-bar > input { flex: 1 1 100%; }
  .period-tabs { flex: 1 1 auto; overflow-x: auto; }
  .period-step { flex: 1 1 100%; justify-content: space-between; }
  .history-scroll { padding: 0 15px 16px; }
  .entry-row { grid-template-columns: 1fr auto 18px; grid-template-areas: "client dur chevron" "activity time chevron"; gap: 4px 10px; padding: 12px; }
  .entry-client { grid-area: client; }
  .entry-activity { grid-area: activity; }
  .entry-time { grid-area: time; }
  .entry-duration { grid-area: dur; }
  .entry-chevron { grid-area: chevron; align-self: center; }
  .history-footer { padding: 0 15px; }
  .settings-grid { grid-template-columns: 1fr; gap: 20px; }
  .user-row { grid-template-columns: 1fr auto; }
  .user-row .role-badge { justify-self: end; }
  .two-col, .export-scope, .export-buttons { grid-template-columns: 1fr; }
  .modal { width: calc(100vw - 12px); max-height: calc(100dvh - 12px); border-radius: 17px; }
  .modal-card { max-height: calc(100dvh - 14px); padding: 18px; }
}
@media (max-width: 430px) {
  .tracker-card { padding: 17px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .history-actions .btn { padding-inline: 10px; }
  .auth-card { padding: 23px; }
}

/* Mobile compact view: timer first, overview as a separate screen. */
.mobile-view-nav, .mobile-compact-only { display: none; }

@media (max-width: 820px) {
  body.mobile-compact .topbar { display: none; }
  body.mobile-compact .app-shell { height: 100dvh; }
  body.mobile-compact .main-grid { min-height: 0; flex: 1 1 auto; }
  body.mobile-compact .tracker-pane,
  body.mobile-compact .history-pane { height: 100%; min-height: 0; }
  body.mobile-compact .tracker-pane { padding: 15px; gap: 14px; }
  body.mobile-compact .mobile-pane-head,
  body.mobile-compact .sidebar-footer { display: none; }

  body.mobile-compact .tracker-card {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 24px 26px;
    border-radius: 28px;
  }
  body.mobile-compact .tracker-date { font-size: 15px; }
  body.mobile-compact .field-label { gap: 10px; font-size: 15px; }
  body.mobile-compact .tracker-card input,
  body.mobile-compact .tracker-card textarea { border-radius: 18px; padding: 15px 16px; font-size: 16px; }
  body.mobile-compact .tracker-card input { min-height: 58px; }
  body.mobile-compact .activity-field { display: flex; flex: 1 1 180px; min-height: 0; flex-direction: column; }
  body.mobile-compact .activity-field textarea { flex: 1 1 auto; min-height: 120px; resize: none; }
  body.mobile-compact .timer-display { padding-top: 4px; font-size: clamp(40px, 11vw, 58px); }
  body.mobile-compact .timer-btn { min-height: 64px; border-radius: 18px; font-size: 18px; }
  body.mobile-compact .metric-grid { gap: 12px; }
  body.mobile-compact .metric-card { min-height: 92px; justify-content: center; border-radius: 22px; padding: 18px 20px; }
  body.mobile-compact .metric-card span { font-size: 13px; }
  body.mobile-compact .metric-card strong { font-size: 24px; }

  body.mobile-compact .history-title .mobile-only { display: none; }
  body.mobile-compact .history-actions #history-export { display: inline-block; }

  body.mobile-compact .mobile-view-nav {
    flex: 0 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    padding: 6px 10px calc(6px + env(safe-area-inset-bottom));
    background: rgba(17, 19, 22, .98);
    border-top: 1px solid var(--divider);
  }
  body.mobile-compact .mobile-nav-button {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border-radius: 13px;
    background: transparent;
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
  }
  body.mobile-compact .mobile-nav-button:hover { background: var(--raised); color: var(--text); }
  body.mobile-compact .mobile-nav-button.active { background: var(--raised); color: var(--amber); }
  body.mobile-compact .mobile-nav-icon { font-size: 18px; line-height: 1; }
  body.mobile-compact .mobile-compact-only { display: inline-flex; }
}

@media (max-width: 430px) {
  body.mobile-compact .tracker-card { padding: 20px; gap: 15px; border-radius: 24px; }
  body.mobile-compact .tracker-card input,
  body.mobile-compact .tracker-card textarea { padding: 13px 14px; }
  body.mobile-compact .tracker-card input { min-height: 52px; }
  body.mobile-compact .timer-btn { min-height: 58px; }
  body.mobile-compact .metric-card { min-height: 82px; padding: 14px 16px; }
  body.mobile-compact .mobile-nav-button { gap: 5px; }
}

@media (max-height: 720px) and (max-width: 820px) {
  body.mobile-compact .tracker-pane { gap: 9px; padding: 9px; }
  body.mobile-compact .tracker-card { gap: 10px; padding: 15px; border-radius: 20px; }
  body.mobile-compact .tracker-card input { min-height: 44px; padding-block: 10px; }
  body.mobile-compact .activity-field textarea { min-height: 80px; padding-block: 10px; }
  body.mobile-compact .timer-display { font-size: 36px; }
  body.mobile-compact .timer-btn { min-height: 48px; }
  body.mobile-compact .metric-card { min-height: 66px; padding: 10px 13px; border-radius: 16px; }
  body.mobile-compact .mobile-nav-button { min-height: 42px; }
}