:root {
  --bg: #070a08;
  --surface: rgba(14, 22, 17, 0.75);
  --card: rgba(16, 26, 19, 0.6);
  --border: rgba(255, 255, 255, 0.055);
  --border-active: rgba(74, 222, 128, 0.28);

  --green: #4ade80;
  --green-dim: rgba(74, 222, 128, 0.08);
  --green-mid: rgba(74, 222, 128, 0.16);
  --green-glow: rgba(74, 222, 128, 0.35);
  --coral: #fb7185;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --blue: #60a5fa;

  --text: #daf0e3;
  --muted: #567065;
  --dim: #2a3d32;

  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--dim); border-radius: 10px; }

/* ─── Background orbs ─── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
}

.bg-orb--a {
  width: 800px;
  height: 800px;
  top: -350px;
  left: -250px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.13) 0%, transparent 65%);
}

.bg-orb--b {
  width: 600px;
  height: 600px;
  bottom: 10%;
  right: -200px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.10) 0%, transparent 65%);
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 10, 8, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  height: 58px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: var(--green);
  box-shadow: 0 0 14px var(--green-glow);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.streak-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.77rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--green-dim);
  transition: border-color 0.3s ease, color 0.3s ease;
}

.streak-pill.has-streak {
  border-color: var(--border-active);
  color: var(--green);
}

.streak-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.streak-pill.has-streak .streak-pip {
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pip-pulse 2s ease-in-out infinite;
}

@keyframes pip-pulse {
  0%, 100% { box-shadow: 0 0 4px var(--green); }
  50% { box-shadow: 0 0 10px var(--green); }
}

.header-date {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ─── Main ─── */
main { position: relative; z-index: 1; }

/* ─── Hero ─── */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 80px 32px 60px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 72px;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
}

/* ─── Typography ─── */
.eyebrow {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  margin-bottom: 18px;
}

h1 {
  font-size: 4.6rem;
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 22px;
}

h2 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--text);
}

h3 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

.lede {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 38ch;
}

/* ─── Timer widget ─── */
.timer-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  transition: border-color 0.45s ease, box-shadow 0.45s ease;
}

.timer-widget.is-running {
  border-color: var(--border-active);
  animation: widget-glow 2.6s ease-in-out infinite;
}

@keyframes widget-glow {
  0%, 100% { box-shadow: 0 0 50px rgba(74, 222, 128, 0.08); }
  50%       { box-shadow: 0 0 90px rgba(74, 222, 128, 0.22); }
}

/* Mode buttons */
.mode-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 4px;
}

.mode-btn {
  padding: 9px 4px;
  font-size: 0.76rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  min-height: unset;
  font-family: inherit;
  transition: all 0.16s ease;
}

.mode-btn:hover {
  border-color: var(--border-active);
  color: var(--green);
}

.mode-btn.is-active {
  border-color: var(--border-active);
  color: var(--green);
  background: var(--green-dim);
}

/* Timer face */
.timer-face {
  text-align: center;
  padding: 30px 0 26px;
}

.mode-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 10px;
}

.time-display {
  display: block;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 5.8rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}

.status-line {
  font-size: 0.8rem;
  color: var(--muted);
  min-height: 1.3em;
}

/* Controls */
.control-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

button, .btn-log {
  min-height: 42px;
  border-radius: 9px;
  cursor: pointer;
  font: inherit;
  font-size: 0.83rem;
  font-weight: 600;
  transition: all 0.16s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--green);
  color: #030b05;
  border-color: var(--green);
}

.btn-primary:hover { background: #6ee7a0; border-color: #6ee7a0; }

.btn-primary.is-running {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-active);
  color: var(--green);
}

.btn-ghost.is-active {
  border-color: var(--border-active);
  color: var(--green);
  background: var(--green-dim);
}

/* Note form */
.note-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.note-form input {
  padding: 0 14px;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  font: inherit;
  font-size: 0.83rem;
  transition: border-color 0.16s ease;
}

.note-form input::placeholder { color: var(--dim); }

.note-form input:focus {
  outline: none;
  border-color: var(--border-active);
}

.btn-log {
  padding: 0 18px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.83rem;
}

.btn-log:hover {
  border-color: var(--border-active);
  color: var(--green);
}

/* ─── Today section ─── */
.today-section {
  padding: 64px 32px;
  background: rgba(0, 0, 0, 0.14);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-wrap {
  max-width: 1240px;
  margin: 0 auto;
}

.section-head { margin-bottom: 28px; }

.today-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 14px;
}

.stat-card {
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  backdrop-filter: blur(12px);
}

.stat-card--primary {
  border-color: var(--border-active);
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.07) 0%, rgba(16, 26, 19, 0.6) 100%);
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 14px;
}

.stat-value {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
  margin-bottom: 8px;
}

.stat-value--md { font-size: 1.7rem; }

.stat-sub {
  font-size: 0.73rem;
  color: var(--muted);
}

/* ─── Insights section ─── */
.insights-section {
  padding: 72px 32px;
}

.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.insight-card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
  backdrop-filter: blur(12px);
}

/* Chart spans full width */
.insight-card--chart {
  grid-column: 1 / -1;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

/* ─── Weekly chart ─── */
.weekly-chart {
  display: flex;
  align-items: stretch;
  gap: 8px;
  height: 180px;
}

.chart-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chart-bar-outer {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
}

.chart-bar {
  width: 100%;
  border-radius: 5px 5px 0 0;
  background: var(--green-mid);
  border-top: 1px solid rgba(74, 222, 128, 0.22);
  min-height: 0;
  transition: height 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.chart-col.is-today .chart-bar {
  background: var(--green);
  border-top: none;
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.45);
}

.chart-col.is-empty .chart-bar {
  min-height: 3px;
  background: var(--dim);
  border-top: none;
}

.chart-day {
  flex-shrink: 0;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.63rem;
  font-weight: 600;
  color: var(--muted);
  width: 100%;
}

.chart-col.is-today .chart-day {
  color: var(--green);
  font-weight: 800;
}

/* ─── Mode breakdown ─── */
.breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.breakdown-track { display: flex; flex-direction: column; gap: 8px; }

.breakdown-topline {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
}

.breakdown-topline span { color: var(--muted); }
.breakdown-topline strong { color: var(--text); }

.bar-shell {
  height: 5px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  transition: width 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.breakdown-track:nth-child(1) .bar-fill { background: var(--green); }
.breakdown-track:nth-child(2) .bar-fill { background: var(--coral); }
.breakdown-track:nth-child(3) .bar-fill { background: var(--violet); }
.breakdown-track:nth-child(4) .bar-fill { background: var(--amber); }

/* ─── Streak card ─── */
.insight-card--streak {
  background: linear-gradient(145deg, rgba(74, 222, 128, 0.07) 0%, rgba(16, 26, 19, 0.6) 100%);
  border-color: rgba(74, 222, 128, 0.14);
}

.streak-hero {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.streak-number {
  font-size: 4.2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--green);
}

.streak-unit {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--muted);
}

.streak-msg {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 22px;
}

.streak-meta {
  display: flex;
  gap: 28px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.streak-meta-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.streak-meta-item span {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.streak-meta-item strong {
  font-size: 0.98rem;
  color: var(--text);
  font-weight: 700;
}

/* ─── Peak patterns ─── */
.peak-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.peak-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  gap: 12px;
}

.peak-item:last-child { border-bottom: none; }
.peak-item span { color: var(--muted); }
.peak-item strong { color: var(--text); font-weight: 700; }

/* ─── History ─── */
.history-section {
  padding: 64px 32px 88px;
  background: rgba(0, 0, 0, 0.14);
  border-top: 1px solid var(--border);
}

.empty-state {
  font-size: 0.88rem;
  color: var(--muted);
  padding: 20px 0;
}

.empty-state.is-hidden { display: none; }

.session-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.session-item {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  backdrop-filter: blur(8px);
  transition: border-color 0.18s ease;
}

.session-item:hover { border-color: var(--border-active); }

.session-mode {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 5px 10px;
  border-radius: 7px;
  width: fit-content;
  max-width: 100%;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(74, 222, 128, 0.14);
}

.session-mode[data-mode="projects"] {
  color: var(--coral);
  background: rgba(251, 113, 133, 0.08);
  border-color: rgba(251, 113, 133, 0.14);
}

.session-mode[data-mode="work"] {
  color: var(--violet);
  background: rgba(167, 139, 250, 0.08);
  border-color: rgba(167, 139, 250, 0.14);
}

.session-mode[data-mode="entertainment"] {
  color: var(--amber);
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.14);
}

.session-info { display: flex; flex-direction: column; gap: 3px; }

.session-meta {
  font-size: 0.72rem;
  color: var(--muted);
}

.session-note { font-size: 0.83rem; color: var(--text); }
.session-note.is-empty { color: var(--muted); font-style: italic; }

.session-duration {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

/* ─── Auth UI ─── */
.auth-area {
  display: flex;
  align-items: center;
}

.auth-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--dim);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.btn-signin {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  min-height: unset;
  transition: all 0.16s ease;
}

.btn-signin:hover {
  border-color: var(--border-active);
  background: var(--green-dim);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 9px;
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border-active);
  object-fit: cover;
}

.user-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
}

.btn-signout {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  padding: 4px 10px;
  min-height: unset;
  font-family: inherit;
  transition: all 0.16s ease;
}

.btn-signout:hover {
  color: var(--coral);
  border-color: rgba(251, 113, 133, 0.3);
}

/* Sync indicator */
.sync-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  margin-left: 6px;
  vertical-align: middle;
  animation: pip-pulse 2s ease-in-out infinite;
}

/* ─── Responsive ─── */
@media (max-width: 1000px) {
  h1 { font-size: 3.4rem; }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero { min-height: auto; padding: 88px 32px 56px; }

  .today-grid { grid-template-columns: 1fr 1fr; }

  .insights-grid { grid-template-columns: 1fr 1fr; }

  .insight-card--chart { grid-column: 1 / -1; }
  .insight-card--breakdown,
  .insight-card--streak,
  .insight-card--peaks { grid-column: auto; }
}

@media (max-width: 680px) {
  h1 { font-size: 2.6rem; }
  h2 { font-size: 2rem; }

  .hero { padding: 76px 20px 44px; }
  .today-section,
  .insights-section,
  .history-section { padding-left: 20px; padding-right: 20px; }
  .header-inner { padding: 0 20px; }

  .today-grid,
  .insights-grid { grid-template-columns: 1fr; }

  .insight-card--chart { grid-column: 1; }

  .mode-row { grid-template-columns: 1fr 1fr; }

  .control-row {
    grid-template-columns: 1fr 1fr;
  }

  .control-row .btn-primary { grid-column: 1 / -1; }

  .time-display { font-size: 4rem; }

  .session-item { grid-template-columns: 1fr auto; }
  .session-mode { display: none; }

  .header-date { display: none; }

  .weekly-chart { height: 140px; }
}