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

:root {
  --bg: #0e0e12;
  --bg2: #16161d;
  --bg3: #1e1e28;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --text: #f0f0f5;
  --text2: #9090a8;
  --text3: #5a5a72;
  --accent: #7c6dfa;
  --accent2: #a695ff;
  --accent-bg: rgba(124,109,250,0.12);
  --green: #22d37a;
  --green-bg: rgba(34,211,122,0.1);
  --amber: #f5a623;
  --amber-bg: rgba(245,166,35,0.1);
  --red: #ff5c6e;
  --red-bg: rgba(255,92,110,0.1);
  --sidebar-w: 220px;
  --radius: 14px;
  --radius-sm: 8px;
}

[data-theme="light"] {
  --bg: #f5f5f8;
  --bg2: #ffffff;
  --bg3: #ededf2;
  --border: rgba(0,0,0,0.07);
  --border2: rgba(0,0,0,0.12);
  --text: #111118;
  --text2: #60607a;
  --text3: #aaaabe;
  --accent: #6355e8;
  --accent2: #7c6dfa;
  --accent-bg: rgba(99,85,232,0.08);
  --green: #16a85c;
  --green-bg: rgba(22,168,92,0.08);
  --amber: #d4820a;
  --amber-bg: rgba(212,130,10,0.08);
  --red: #e83b4d;
  --red-bg: rgba(232,59,77,0.08);
}

html { font-size: 16px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

.app {
  display: flex;
  min-height: 100vh;
}

.mobile-menu-toggle,
.mobile-menu-overlay {
  display: none;
}

.mobile-menu-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border2);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg2) 90%, transparent);
  backdrop-filter: blur(14px);
  z-index: 30;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  box-shadow: 0 16px 32px rgba(0,0,0,0.18);
}

.mobile-menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-open .mobile-menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-open .mobile-menu-toggle span:nth-child(2) {
  opacity: 0;
}

.menu-open .mobile-menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 14, 0.55);
  backdrop-filter: blur(3px);
  z-index: 19;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2rem;
  padding: 0 0.25rem;
}

.logo-icon {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
}

.logo span {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
}

.nav { display: flex; flex-direction: column; gap: 4px; }

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text2);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  width: 100%;
}

.nav-btn:hover { background: var(--bg3); color: var(--text); }

.nav-btn.active {
  background: var(--accent-bg);
  color: var(--accent2);
  font-weight: 500;
}

.nav-btn.active svg { stroke: var(--accent2); }

.sidebar-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.xp-section { padding: 12px; background: var(--bg3); border-radius: var(--radius-sm); }

.xp-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }

.level-badge {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 700;
  background: var(--accent-bg);
  color: var(--accent2);
  padding: 2px 8px;
  border-radius: 99px;
}

.xp-label { font-size: 11px; color: var(--text3); }

.xp-track {
  height: 5px;
  background: var(--border2);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 6px;
}

.xp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 99px;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
}

.level-name { font-size: 11px; color: var(--text3); }

.streak-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--amber-bg);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245,166,35,0.15);
}

.streak-fire { font-size: 20px; }

.streak-num {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.streak-lbl { font-size: 11px; color: var(--text3); }

.user-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg3);
  border-radius: var(--radius-sm);
}
.user-avatar {
  width: 26px; height: 26px;
  background: var(--accent-bg);
  color: var(--accent2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}
.user-name {
  flex: 1;
  font-size: 13px;
  color: var(--text2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.signout-btn {
  background: transparent;
  border: none;
  color: var(--text3);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.signout-btn:hover { color: var(--red); }

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text2);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  width: 100%;
}

.theme-toggle:hover { background: var(--bg3); color: var(--text); }

/* ── Main ── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2.5rem 2rem;
  max-width: 780px;
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.tab-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.tab-sub { font-size: 14px; color: var(--text2); margin-top: 4px; }

.filter-select {
  padding: 8px 12px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  background: var(--bg2);
  color: var(--text2);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
}

/* ── Add Task Bar ── */
.add-task-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.task-input {
  flex: 1;
  min-width: 240px;
  padding: 12px 16px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  background: var(--bg2);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border 0.15s;
}

.task-input:focus { border-color: var(--accent); }
.task-input::placeholder { color: var(--text3); }

.schedule-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 4px;
  color: var(--text2);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}

.schedule-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.schedule-switch-ui {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  position: relative;
  transition: all 0.2s;
}

.schedule-switch-ui::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text3);
  transition: all 0.2s;
}

.schedule-switch input:checked + .schedule-switch-ui {
  background: var(--accent-bg);
  border-color: var(--accent);
}

.schedule-switch input:checked + .schedule-switch-ui::after {
  transform: translateX(18px);
  background: var(--accent2);
}

.schedule-fields {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.schedule-fields.hidden {
  display: none;
}

.date-input,
.time-input,
.repeat-select,
.priority-select {
  padding: 12px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  background: var(--bg2);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
}

.date-input,
.time-input {
  color: var(--text2);
}

.date-input:focus,
.time-input:focus,
.priority-select:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.add-btn {
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.add-btn:hover { opacity: 0.9; }
.add-btn:active { transform: scale(0.97); }

/* ── Task List ── */
.task-list { display: flex; flex-direction: column; gap: 8px; }

.task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }

.task-item:hover { border-color: var(--border2); }
.task-item.done { opacity: 0.45; }
.task-item.done .task-name { text-decoration: line-through; }

.task-main {
  flex: 1;
  min-width: 0;
}

.check-btn {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
  color: #fff;
  font-size: 11px;
}

.check-btn.checked { background: var(--green); border-color: var(--green); }
.check-btn:hover { border-color: var(--green); }

.task-name { flex: 1; font-size: 14px; color: var(--text); }

.task-meta {
  margin-top: 5px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.task-schedule {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: var(--accent2);
  background: var(--accent-bg);
  border-radius: 99px;
  padding: 4px 8px;
}

.task-schedule.empty {
  color: var(--text3);
  background: var(--bg3);
}

.priority-pill {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 99px;
  font-weight: 500;
}

.priority-pill.high { background: var(--red-bg); color: var(--red); }
.priority-pill.medium { background: var(--amber-bg); color: var(--amber); }
.priority-pill.low { background: var(--green-bg); color: var(--green); }

.del-btn {
  background: transparent;
  border: none;
  color: var(--text3);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 14px;
  transition: color 0.15s;
}

.del-btn:hover { color: var(--red); }

.action-btn {
  border: 1px solid var(--border2);
  background: var(--bg3);
  color: var(--text2);
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  transition: all 0.15s;
}

.action-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text3);
  font-size: 14px;
}

/* ── Timer ── */
.timer-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.timer-ring-wrap {
  position: relative;
  width: 220px;
  height: 220px;
}

.timer-ring { width: 100%; height: 100%; transform: rotate(-90deg); }

.ring-bg {
  fill: none;
  stroke: var(--bg3);
  stroke-width: 8;
}

.ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}

.timer-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.timer-display {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1;
}

.timer-mode { font-size: 13px; color: var(--text2); margin-top: 4px; }

.preset-row { display: flex; gap: 8px; }

.custom-timer-row {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 400px;
}

.custom-timer-input {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  background: var(--bg2);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border 0.15s;
}

.custom-timer-input:focus { border-color: var(--accent); }
.custom-timer-input::placeholder { color: var(--text3); }

.custom-timer-btn {
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
}

.preset {
  padding: 8px 18px;
  border: 1px solid var(--border2);
  border-radius: 99px;
  background: transparent;
  color: var(--text2);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.preset:hover { background: var(--bg3); color: var(--text); }
.preset.active { background: var(--accent-bg); border-color: var(--accent); color: var(--accent2); font-weight: 500; }

.timer-controls { display: flex; gap: 12px; }

.ctrl-btn {
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.ctrl-btn.primary { background: var(--accent); color: #fff; }
.ctrl-btn.primary:hover { opacity: 0.9; }
.ctrl-btn.secondary { background: var(--bg3); color: var(--text2); }
.ctrl-btn.secondary:hover { color: var(--text); }

.session-info {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 400px;
}

.sinfo-card {
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.sinfo-num {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.sinfo-num.accent { color: var(--accent2); }
.sinfo-lbl { font-size: 11px; color: var(--text3); margin-top: 2px; }

/* ── Stats ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.stat-icon { font-size: 24px; }

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-lbl { font-size: 13px; color: var(--text2); }

.level-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.level-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.level-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.level-xp { font-size: 13px; color: var(--accent2); font-weight: 500; }

.big-track { height: 8px; margin-bottom: 8px; }

.level-milestones {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text3);
}

.levels-list { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }

.levels-title {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 11px;
}

.levels-items { display: flex; flex-direction: column; gap: 6px; }

.level-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.level-row.current { background: var(--accent-bg); }

.level-row-num {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: var(--text3);
  width: 28px;
}

.level-row.current .level-row-num { color: var(--accent2); }
.level-row-name { flex: 1; color: var(--text); }
.level-row-xp { font-size: 12px; color: var(--text3); }
.level-row.current .level-row-xp { color: var(--accent2); }

.leaderboard-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.leaderboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.leaderboard-sub {
  font-size: 13px;
  color: var(--text2);
  margin-top: 4px;
}

.leaderboard-crown {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--amber-bg), var(--accent-bg));
  border: 1px solid var(--border2);
  font-size: 20px;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
}

.leaderboard-row.is-current-user {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border2));
  box-shadow: inset 0 0 0 1px var(--accent-bg);
}

.leaderboard-rank {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  background: var(--bg);
}

.leaderboard-row.rank-1 .leaderboard-rank {
  background: rgba(245, 166, 35, 0.18);
  color: var(--amber);
}

.leaderboard-row.rank-2 .leaderboard-rank {
  background: rgba(160, 170, 190, 0.16);
  color: #b3bccf;
}

.leaderboard-row.rank-3 .leaderboard-rank {
  background: rgba(204, 120, 64, 0.16);
  color: #d99058;
}

.leaderboard-user {
  min-width: 0;
}

.leaderboard-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.leaderboard-you {
  font-size: 11px;
  color: var(--accent2);
  background: var(--accent-bg);
  border-radius: 999px;
  padding: 3px 8px;
}

.leaderboard-meta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text2);
}

.leaderboard-score {
  text-align: right;
}

.leaderboard-xp {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.leaderboard-score-label {
  margin-top: 3px;
  font-size: 11px;
  color: var(--text3);
}

/* ── Calendar ── */
.calendar-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 16px;
}

.calendar-main-column,
.calendar-side-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calendar-card,
.schedule-card,
.ai-addons-card,
.birthdays-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.calendar-header,
.schedule-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 1rem;
}

.calendar-title,
.schedule-title {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.schedule-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.birthday-add-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.birthday-input {
  min-width: 180px;
}

.birthdays-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.birthday-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
}

.birthday-name {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.birthday-meta {
  font-size: 12px;
  color: var(--text2);
  margin-top: 4px;
}

.birthday-del-btn {
  flex-shrink: 0;
}

.birthday-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.calendar-nav,
.schedule-add-btn,
.schedule-today,
.schedule-toggle {
  border: 1px solid var(--border2);
  background: var(--bg3);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.calendar-nav {
  width: 36px;
  height: 36px;
  font-size: 22px;
  line-height: 1;
}

.schedule-add-btn {
  width: 36px;
  height: 36px;
  font-size: 24px;
  line-height: 1;
  font-family: 'Syne', sans-serif;
}

.schedule-today,
.schedule-toggle {
  padding: 8px 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
}

.calendar-nav:hover,
.schedule-add-btn:hover,
.schedule-today:hover,
.schedule-toggle:hover {
  border-color: var(--accent);
  color: var(--accent2);
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.calendar-weekdays {
  margin-bottom: 10px;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
}

.calendar-day {
  min-height: 84px;
  padding: 10px 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg3);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.15s;
}

.calendar-day:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.calendar-day.muted {
  visibility: hidden;
  pointer-events: none;
}

.calendar-day.today {
  border-color: var(--accent2);
}

.calendar-day.selected {
  background: var(--accent-bg);
  border-color: var(--accent);
}

.calendar-day.has-items .calendar-count {
  color: var(--accent2);
}

.calendar-num {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.calendar-count {
  font-size: 11px;
  color: var(--text3);
  line-height: 1.3;
}

.schedule-date {
  color: var(--text2);
  font-size: 13px;
  margin-top: 4px;
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.schedule-quick-add {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0.85rem;
  margin-bottom: 12px;
  border-radius: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
}

.schedule-quick-add.hidden {
  display: none;
}

.schedule-task-input {
  min-width: 180px;
}

.schedule-save-btn {
  padding-inline: 16px;
}

.repeat-pill {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 99px;
  font-weight: 500;
  color: var(--accent2);
  background: var(--accent-bg);
}

.birthday-pill {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 99px;
  font-weight: 500;
  color: #ff8a65;
  background: rgba(255, 138, 101, 0.12);
}

.schedule-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
}

.schedule-item.done {
  opacity: 0.6;
}

.schedule-item.birthday {
  border-color: rgba(255, 138, 101, 0.18);
  background: linear-gradient(180deg, rgba(255, 138, 101, 0.08), rgba(255, 138, 101, 0.03));
}

.schedule-time {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent2);
}

.schedule-task {
  font-size: 14px;
  color: var(--text);
  line-height: 1.4;
}

.schedule-task-button {
  width: 100%;
  text-align: left;
  border: 1px dashed var(--border2);
  background: transparent;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.schedule-task-button:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.schedule-edit-hint {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--text2);
}

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

.schedule-inline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.schedule-inline-input {
  min-width: 0;
}

.schedule-item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.schedule-item-actions-block {
  margin-top: 12px;
  justify-content: flex-start;
}

.schedule-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.schedule-toggle.danger {
  color: var(--red);
  border-color: color-mix(in srgb, var(--red) 35%, var(--border2));
}

.schedule-toggle.danger:hover {
  background: var(--red-bg);
  border-color: color-mix(in srgb, var(--red) 55%, var(--border2));
}

.schedule-empty {
  border: 1px dashed var(--border2);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--text3);
  background: var(--bg3);
}

.ai-addons-card {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 20%, transparent), transparent 42%),
    var(--bg2);
}

.ai-addons-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.ai-addons-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text3);
  margin-bottom: 6px;
}

.ai-addons-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent2);
  background: var(--accent-bg);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  border-radius: 999px;
  padding: 5px 9px;
}

.ai-addons-copy {
  color: var(--text2);
  font-size: 14px;
  line-height: 1.6;
}

.ai-addons-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.ai-addon-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.ai-addon-pill {
  font-size: 12px;
  color: var(--text);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 10px;
}

/* ── XP Toast ── */
.xp-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--accent);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 10px 20px;
  border-radius: 99px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  pointer-events: none;
  z-index: 100;
}

.xp-toast.show { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .main {
    max-width: none;
    padding: 2rem 1.5rem;
  }

  .add-task-bar {
    flex-wrap: wrap;
  }

  .task-input {
    min-width: 100%;
  }

  .priority-select,
  .add-btn {
    flex: 1;
  }

  .session-info {
    max-width: none;
  }

  .calendar-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    overflow-x: hidden;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .mobile-menu-overlay.is-visible {
    display: block;
  }

  .app {
    display: block;
  }

  .sidebar {
    width: min(86vw, 320px);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    padding: 1rem;
    gap: 1rem;
    border-right: 1px solid var(--border);
    border-bottom: none;
    transform: translateX(-100%);
    transition: transform 0.24s ease;
    box-shadow: 24px 0 48px rgba(0,0,0,0.28);
    overflow-y: auto;
    z-index: 20;
  }

  .menu-open .sidebar {
    transform: translateX(0);
  }

  .logo {
    margin-bottom: 0;
    justify-content: flex-start;
    padding-right: 3.5rem;
  }

  .nav {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .nav-btn {
    justify-content: flex-start;
    gap: 0.65rem;
    padding: 0.8rem 0.9rem;
    font-size: 13px;
    min-width: 0;
    flex: 0 0 auto;
    white-space: nowrap;
    border: 1px solid var(--border);
    background: var(--bg3);
  }

  .nav-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
  }

  .nav-btn.active {
    border-color: var(--accent);
    background: var(--accent-bg);
  }

  .sidebar-bottom {
    gap: 10px;
  }

  .xp-header,
  .level-card-header,
  .level-milestones,
  .tab-header {
    gap: 8px;
  }

  .main {
    margin-left: 0;
    padding: 5rem 0.9rem 2rem;
    max-width: none;
  }

  .tab-header,
  .add-task-bar,
  .task-item,
  .timer-controls,
  .session-info,
  .calendar-header,
  .birthday-add-row,
  .schedule-header,
  .level-card-header,
  .level-milestones {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions,
  .filter-select,
  .schedule-fields,
  .date-input,
  .time-input,
  .repeat-select,
  .priority-select,
  .add-btn,
  .ctrl-btn {
    width: 100%;
  }

  .task-input {
    min-width: 0;
  }

  .task-item {
    gap: 10px;
    padding: 14px;
  }

  .task-main,
  .schedule-body {
    min-width: 0;
  }

  .task-name {
    line-height: 1.45;
    overflow-wrap: anywhere;
  }

  .priority-pill {
    align-self: flex-start;
  }

  .del-btn {
    align-self: flex-end;
  }

  .timer-ring-wrap {
    width: min(78vw, 220px);
    height: min(78vw, 220px);
  }

  .timer-display {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .preset-row {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }

  .custom-timer-row {
    flex-direction: column;
    max-width: 100%;
  }

  .preset {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }

  .stats-grid,
  .session-info {
    grid-template-columns: 1fr;
  }

  .session-info {
    display: grid;
  }

  .stat-card,
  .level-card,
  .levels-list,
  .calendar-card,
  .schedule-card,
  .ai-addons-card,
  .birthdays-card {
    padding: 1rem;
  }

  .level-title {
    line-height: 1.35;
  }

  .level-row {
    gap: 10px;
    padding: 10px;
  }

  .level-row-xp {
    font-size: 11px;
  }

  .calendar-day {
    min-height: 72px;
  }

  .schedule-item {
    grid-template-columns: 1fr;
  }

  .ai-addons-header,
  .ai-addons-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .schedule-time {
    font-size: 13px;
  }

  .schedule-item-actions,
  .birthday-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .schedule-inline-grid {
    grid-template-columns: 1fr;
  }

  .birthday-row {
    align-items: flex-start;
  }

  .xp-toast {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    text-align: center;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 24px;
  }

  .logo span {
    font-size: 16px;
  }

  .nav-btn {
    min-height: 0;
  }

  .user-row {
    padding: 8px;
  }

  .stat-num {
    font-size: 28px;
  }
}