/* ================================================================
   Gatividhi Tracker — Design System v3
   ================================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg:          #09090b;
  --surface:     #131316;
  --surface-2:   #1c1c20;
  --border:      #27272a;
  --border-2:    #3f3f46;

  --accent:      #6366f1;
  --accent-dim:  rgba(99,102,241,0.15);
  --success:     #22c55e;
  --success-dim: rgba(34,197,94,0.12);
  --danger:      #f43f5e;
  --danger-dim:  rgba(244,63,94,0.13);
  --warn:        #f59e0b;

  --text:        #fafafa;
  --text-2:      #a1a1aa;
  --text-3:      #52525b;

  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.4);
  --shadow:      0 4px 16px rgba(0,0,0,.45);
  --shadow-lg:   0 16px 40px rgba(0,0,0,.6);

  --modal-overlay: rgba(0,0,0,.75);
  --cal-invert: invert(1);

  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: ui-monospace, 'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg:          #f8fafc;
  --surface:     #ffffff;
  --surface-2:   #f1f5f9;
  --border:      #e2e8f0;
  --border-2:    #cbd5e1;

  --accent:      #4f46e5;
  --accent-dim:  rgba(79,70,229,0.08);
  --success:     #16a34a;
  --success-dim: rgba(22,163,74,0.08);
  --danger:      #e11d48;
  --danger-dim:  rgba(225,29,72,0.08);

  --text:        #0f172a;
  --text-2:      #475569;
  --text-3:      #94a3b8;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow:      0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:   0 16px 40px rgba(0,0,0,.15);

  --modal-overlay: rgba(15,23,42,.6);
  --cal-invert: invert(0);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}


html, body {
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Typography ---------- */
h1,h2,h3 { line-height: 1.25; font-weight: 800; }
p         { color: var(--text-2); }
button    { font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }

/* ================================================================
   NAV
   ================================================================ */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  min-height: 60px;
}

.logo {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.logo span {
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 1px;
}

/* Auth */
#auth-ui {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

#login-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: opacity .15s, transform .15s;
  white-space: nowrap;
}
#login-btn:hover { opacity: .85; transform: translateY(-1px); }

#user-info {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  padding: 5px 10px 5px 6px;
  border-radius: 99px;
  border: 1px solid var(--border);
  min-width: 0;
  max-width: 260px;
}
#user-pic {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  flex-shrink: 0;
  object-fit: cover;
}
#user-name {
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}
#logout-btn {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  padding-left: 8px;
  border-left: 1px solid var(--border);
  white-space: nowrap;
}

/* Clock */
.time-box { text-align: right; white-space: nowrap; }
#liveTime {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.03em;
}
#liveDate {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 1px;
}

/* ================================================================
   LAYOUT
   ================================================================ */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 20px 40px;
}

/* ================================================================
   TABS + TOOLBAR
   ================================================================ */
.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  flex-shrink: 0;
}

.tab {
  padding: 8px 22px;
  border-radius: calc(var(--radius) - 3px);
  border: none;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.88rem;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.tab:hover  { color: var(--text); background: var(--surface-2); }
.tab.active { background: var(--accent); color: #fff; }

.toolbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  transition: border-color .15s, color .15s, background .15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}
.icon-btn:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-dim);
}

/* ================================================================
   CARDS
   ================================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

/* ================================================================
   QUICK-ADD CHIPS
   ================================================================ */
.section-label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-label em {
  color: var(--accent);
  font-style: normal;
  font-size: 0.65rem;
  animation: blink 2s ease infinite;
}
@keyframes blink { 0%,100%{opacity:.4} 50%{opacity:1} }

.chips-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.chips-row::-webkit-scrollbar { display: none; }

.chip {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color .15s, background .15s, transform .1s;
  color: var(--text-2);
}
.chip:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--text);
  transform: translateY(-1px);
}

/* ================================================================
   ENTRY FORM
   ================================================================ */
.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 16px;
}

.entry-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 10px;
}
.entry-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.input-wrapper {
  position: relative;
  min-width: 0;
}

input, textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 11px 40px 11px 13px;
  border-radius: var(--radius);
  outline: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color .2s;
  min-width: 0;
}
input:focus, textarea:focus { border-color: var(--accent); }
input::placeholder, textarea::placeholder { color: var(--text-3); font-weight: 500; }

.clear-btn {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  cursor: pointer;
  font-size: 1.1rem;
  display: none;
  line-height: 1;
  transition: color .15s;
}
.clear-btn:hover { color: var(--danger); }
input:not(:placeholder-shown) + .clear-btn { display: block; }

.cat-select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 11px 13px;
  border-radius: var(--radius);
  outline: none;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .2s;
}
.cat-select:focus { border-color: var(--accent); }

.btn-add {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 11px 20px;
  transition: opacity .15s, transform .15s;
  white-space: nowrap;
  width: 100%;
}
.btn-add:hover  { opacity: .9; transform: translateY(-1px); }
.btn-add:active { transform: scale(.97); }

/* ================================================================
   CALENDAR + FILTER BAR
   ================================================================ */
.date-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

input[type="date"] {
  padding: 9px 13px;
  padding-right: 13px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
  filter: var(--cal-invert) hue-rotate(180deg);
  cursor: pointer;
}
[data-theme="light"] input[type="date"] { filter: none; }

.cat-filter-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  flex: 1;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.cat-filter-bar::-webkit-scrollbar { display: none; }

.cat-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
}
.cat-chip:hover       { border-color: var(--accent); color: var(--text); }
.cat-chip.active      { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ================================================================
   TASK LIST
   ================================================================ */
.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
}

.item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color .2s, box-shadow .2s, transform .15s;
  min-width: 0;
}
.item:hover {
  border-color: var(--border-2);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.item.done {
  border-left: 3px solid var(--success);
}
.item-body { flex: 1; min-width: 0; }

.item-name {
  font-weight: 800;
  font-size: 0.98rem;
  margin-bottom: 5px;
  word-break: break-word;
  line-height: 1.3;
}

.item-meta {
  font-size: 0.78rem;
  color: var(--text-2);
  margin-bottom: 8px;
}

.progress-track {
  height: 5px;
  background: var(--surface-2);
  border-radius: 99px;
  overflow: hidden;
  max-width: 200px;
  margin-bottom: 10px;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: 99px;
  transition: width .4s ease;
}

.item-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.act-btn {
  padding: 4px 11px;
  border: none;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.act-btn:hover  { opacity: .8; transform: translateY(-1px); }
.act-btn.edit   { background: var(--accent-dim); color: var(--accent); }
.act-btn.del    { background: var(--danger-dim); color: var(--danger); }
.act-btn.log    { background: var(--success-dim); color: var(--success); }

/* Pills */
.time-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--success-dim);
  color: var(--success);
  padding: 3px 8px;
  border-radius: 6px;
}
.note-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
}

/* Category badges */
.cat-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 5px;
}
.cat-General  { background: rgba(161,161,170,.15); color: #a1a1aa; }
.cat-Work     { background: rgba(99,102,241,.15);  color: #818cf8; }
.cat-Learning { background: rgba(168,85,247,.15);  color: #c084fc; }
.cat-Health   { background: rgba(34,197,94,.15);   color: #4ade80; }
.cat-Personal { background: rgba(245,158,11,.15);  color: #fbbf24; }

/* Toggle Switch */
.switch {
  position: relative;
  width: 42px;
  height: 23px;
  flex-shrink: 0;
  margin-top: 3px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  inset: 0;
  background: var(--surface-2);
  border-radius: 99px;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: background .25s;
}
.slider::before {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--text-3);
  border-radius: 50%;
  transition: transform .25s, background .25s;
}
input:checked + .slider { background: var(--success); border-color: var(--success); }
input:checked + .slider::before {
  transform: translateY(-50%) translateX(19px);
  background: #fff;
}

/* ================================================================
   FOCUS TIMER
   ================================================================ */
.timer-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.timer-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(99,102,241,.08), transparent 60%);
  pointer-events: none;
}

[data-theme="light"] .timer-card {
  background: linear-gradient(135deg, #fff, #f8fafc);
}

.timer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 10px;
  flex-wrap: wrap;
}
.timer-title {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.timer-presets { display: flex; gap: 6px; }
.preset-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 4px 11px;
  border-radius: 99px;
  font-size: 0.73rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.preset-btn:hover, .preset-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.timer-select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 13px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 14px;
  outline: none;
  transition: border-color .2s;
}
.timer-select:focus { border-color: var(--accent); }

.timer-display {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 4px;
  margin: 10px 0 16px;
  color: var(--text);
  transition: color .3s;
}
.timer-display.running {
  color: var(--success);
  animation: glow 2.5s ease infinite;
}
@keyframes glow { 0%,100%{opacity:1} 50%{opacity:.75} }

.timer-controls {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.timer-btn {
  border: none;
  padding: 10px 22px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 0.88rem;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.timer-btn:hover  { opacity: .85; transform: translateY(-1px); }
.timer-btn:active { transform: scale(.95); }
.timer-btn-primary   { background: var(--accent);  color: #fff; }
.timer-btn-secondary { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.timer-btn-success   { background: var(--success); color: #fff; }

/* ================================================================
   ANALYTICS / STATS
   ================================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}

.stat-header {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.stat-val {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.graph-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  gap: 8px;
}

/* Heatmap */
.heatmap-card { grid-column: 1 / -1; overflow-x: auto; }
.heatmap-container { display: flex; overflow-x: auto; padding: 6px 0 10px; }
.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 13px);
  grid-auto-flow: column;
  grid-auto-columns: 13px;
  gap: 3px;
}
.heatmap-tile {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: default;
  transition: transform .1s;
}
.heatmap-tile:hover { transform: scale(1.35); z-index: 10; position: relative; }
.heatmap-tile.lvl-0 { background: var(--surface-2); }
.heatmap-tile.lvl-1 { background: #0e4429; border-color: #0e4429; }
.heatmap-tile.lvl-2 { background: #006d32; border-color: #006d32; }
.heatmap-tile.lvl-3 { background: #26a641; border-color: #26a641; }
.heatmap-tile.lvl-4 { background: #39d353; border-color: #39d353; }
[data-theme="light"] .heatmap-tile.lvl-1 { background: #9be9a8; border-color: #9be9a8; }
[data-theme="light"] .heatmap-tile.lvl-2 { background: #40c463; border-color: #40c463; }
[data-theme="light"] .heatmap-tile.lvl-3 { background: #30a14e; border-color: #30a14e; }
[data-theme="light"] .heatmap-tile.lvl-4 { background: #216e39; border-color: #216e39; }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  color: var(--text-3);
  margin-top: 8px;
  justify-content: flex-end;
}
.heatmap-legend .sq {
  width: 10px; height: 10px;
  border-radius: 2px;
}
.sq.l0 { background: var(--surface-2); border: 1px solid var(--border); }
.sq.l1 { background: #0e4429; }
.sq.l2 { background: #006d32; }
.sq.l3 { background: #26a641; }
.sq.l4 { background: #39d353; }
[data-theme="light"] .sq.l1 { background: #9be9a8; }
[data-theme="light"] .sq.l2 { background: #40c463; }
[data-theme="light"] .sq.l3 { background: #30a14e; }
[data-theme="light"] .sq.l4 { background: #216e39; }

/* Month cards */
.month-summary-card {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  margin-bottom: 10px;
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.month-summary-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.month-summary-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.month-summary-name { font-weight: 800; font-size: 1rem; }
.month-summary-sub  { font-size: 0.82rem; color: var(--text-2); margin-top: 2px; }
.month-summary-score { font-weight: 800; color: var(--accent); font-size: 1rem; }

/* ================================================================
   MODALS
   ================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.show {
  display: flex;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 400px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2001;
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
}

.modal-title {
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 6px;
}
.modal-sub {
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 20px;
}

.modal-form { display: flex; flex-direction: column; gap: 10px; }

.modal-btns {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.m-btn {
  flex: 1;
  padding: 13px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-weight: 800;
  font-size: 0.9rem;
  transition: opacity .15s, transform .1s;
}
.m-btn:hover  { opacity: .88; transform: translateY(-1px); }
.m-btn-cancel { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.m-btn-save   { background: var(--accent); color: #fff; }
.m-btn-danger { background: var(--danger); color: #fff; }

/* Month detail modal */
.month-detail-card {
  max-width: 520px;
}
.month-detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}
.month-detail-kicker {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 3px;
}
.month-close {
  width: 36px;
  height: 36px;
  border-radius: 99px;
  border: none;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.month-close:hover { background: var(--danger-dim); color: var(--danger); }
.month-detail-list {
  display: grid;
  gap: 10px;
  max-height: min(60vh, 500px);
  overflow-y: auto;
  padding-right: 2px;
}
.month-activity-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.activity-reminder {
    display: inline-block;
    margin-left: 8px;
    font-size: 12px;
    font-weight: 600;
    color: #d97706;
}
.month-activity-name { font-weight: 800; font-size: 0.95rem; margin-bottom: 4px; word-break: break-word; }
.month-activity-meta { font-size: 0.82rem; color: var(--text-2); }

/* ================================================================
   EXPORT / IMPORT MODAL
   ================================================================ */
.export-modal-card { max-width: 460px; }
.export-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}
.section-kicker {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}
.export-btn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}
.export-action-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.export-action-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.export-icon {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--accent);
  width: 30px;
  text-align: center;
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.export-btn-title { font-weight: 800; font-size: 0.85rem; margin-bottom: 2px; }
.export-btn-sub   { font-size: 0.72rem; color: var(--text-2); }

.divider-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0 16px;
  color: var(--text-3);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.divider-line::before, .divider-line::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.export-import-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  background: var(--accent-dim);
  border: 1.5px dashed var(--accent);
  border-radius: var(--radius);
  padding: 15px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition: background .2s, transform .15s;
}
.export-import-btn:hover { background: rgba(99,102,241,.22); transform: translateY(-1px); }

/* ================================================================
   TOAST
   ================================================================ */
.export-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(90px);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-left: 4px solid var(--success);
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .25s;
  opacity: 0;
  white-space: nowrap;
  pointer-events: none;
}
.export-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.export-toast.err  { border-left-color: var(--danger); }

/* ================================================================
   EMPTY STATE
   ================================================================ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-3);
  grid-column: 1 / -1;
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 10px; }
.empty-state p { font-size: 0.88rem; }

/* ================================================================
   FOOTER
   ================================================================ */
#footer {
  text-align: center;
  padding: 36px 20px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 50px;
}
.f-link {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  margin: 8px 12px;
  transition: opacity .15s;
}
.f-link:hover { opacity: .7; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 720px) {
  .top-nav {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    padding: 12px 16px;
    gap: 8px;
  }
  .logo     { grid-column: 1; grid-row: 1; }
  .time-box { grid-column: 2; grid-row: 1; text-align: right; }
  #auth-ui  {
    grid-column: 1 / -1;
    grid-row: 2;
    border-top: 1px solid var(--border);
    padding-top: 10px;
    justify-content: center;
  }
  #user-info { max-width: 100%; width: 100%; justify-content: center; flex-wrap: wrap; }

  .stats-grid { grid-template-columns: 1fr; }
  .list-grid  { grid-template-columns: 1fr; }

  .entry-grid   { grid-template-columns: 1fr; }
  .entry-row-2  { grid-template-columns: 1fr 1fr; }

  .toolbar { gap: 6px; }
  .tabs { width: 100%; }
  .tab  { flex: 1; text-align: center; }
  .toolbar-actions { width: 100%; justify-content: flex-end; }
}

@media (max-width: 480px) {
  .container { padding: 14px 14px 36px; }
  .card, .entry-card { padding: 16px; }
  .timer-display { font-size: 2.5rem; }
  .export-btn-grid { grid-template-columns: 1fr; }
  .modal-card { padding: 22px; }
  .entry-row-2 { grid-template-columns: 1fr; }
  .timer-controls { flex-direction: column; gap: 8px; }
  .timer-btn { width: 100%; }
  .modal-btns { flex-direction: column; }
  #liveTime { font-size: 0.85rem; }
}
.date-selector {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.date-nav-btn {
    background: var(--card-bg, rgba(255, 255, 255, 0.05));
    color: var(--text, #fff);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.date-nav-btn:hover {
    background: var(--accent, #3b82f6);
    color: #ffffff;
}

.date-nav-btn:active {
    transform: scale(0.95);
}

/* Touch target minimum for mobile */
@media (pointer: coarse) {
  .act-btn, .cat-chip, .chip, .tab, .timer-btn, .btn-add, .m-btn {
    min-height: 40px;
  }
}
/* ---------- Date Input & Navigation — Design System v3 ---------- */

.date-selector {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Native Date Input styling with Token integration */
input[type="date"],
#calInput {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-family: var(--font);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Force native browser controls (mm/dd/yyyy text) to respect current mode */
[data-theme="dark"] input[type="date"],
[data-theme="dark"] #calInput {
    color-scheme: dark;
}

[data-theme="light"] input[type="date"],
[data-theme="light"] #calInput {
    color-scheme: light;
}

input[type="date"]:focus,
#calInput:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

/* Native Calendar Icon — uses your token's --cal-invert filter */
input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: var(--cal-invert);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Navigation Arrow Buttons matching surface-2 & border tokens */
.date-nav-btn {
    background-color: var(--surface);
    color: var(--text-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.date-nav-btn:hover {
    background-color: var(--surface-2);
    color: var(--text);
    border-color: var(--border-2);
}

.date-nav-btn:active {
    transform: scale(0.95);
}
/* Light mode */
#taskList .item.done {
    background: rgba(100, 116, 139, 0.10);
    border-color: rgba(100, 116, 139, 0.25);
    border-left: 4px solid #64748b;
    opacity: 0.85;
    transition: background 0.25s ease,
                border-color 0.25s ease,
                opacity 0.25s ease;
}

/* Dark mode */
[data-theme="dark"] #taskList .item.done {
    background: rgba(148, 163, 184, 0.12);
    border-color: rgba(148, 163, 184, 0.22);
    border-left: 4px solid #94a3b8;
    opacity: 0.9;
}

.task-view-switch {
    display: flex;
    gap: 5px;
    padding: 5px;
    margin-bottom: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.task-view-switch button {
    flex: 1;
    padding: 11px;
    border: none;
    border-radius: 9px;
    background: transparent;
    color: var(--text-dim);
    font-weight: 800;
    cursor: pointer;
    transition: 0.2s ease;
}

.task-view-switch button.active {
    background: var(--card);
    color: var(--accent);
    box-shadow: 0 2px 7px rgba(0,0,0,0.08);
}