/* =========================================================
   Cosmos Work — design tokens
   ========================================================= */
:root {
  --bg-deep: #0b0f14;
  --bg-panel: #11161d;
  --bg-panel-raised: #161c25;
  --bg-field: #0e131a;
  --border: #232b36;
  --border-soft: #1a212b;

  --text-primary: #e6edf3;
  --text-muted: #8a96a3;
  --text-faint: #5b6673;

  --amber: #ffb454;
  --amber-dim: #8a6530;
  --cyan: #4fd1c5;
  --cyan-dim: #2e6e67;
  --green: #3fb950;
  --red: #f0665e;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --font-ui: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --sidebar-w: 236px;
  --topbar-h: 64px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(circle at 85% -10%, rgba(79, 209, 197, 0.07), transparent 45%),
    radial-gradient(circle at -5% 110%, rgba(255, 180, 84, 0.06), transparent 40%);
  background-attachment: fixed;
}

a { color: inherit; }

button {
  font-family: inherit;
  cursor: pointer;
}

::selection { background: var(--amber-dim); color: var(--text-primary); }

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* =========================================================
   Auth gate (sign-in screen)
   ========================================================= */
#auth-gate {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  z-index: 50;
  padding: 24px;
}

.gate-card {
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.gate-mark {
  width: 56px;
  height: 56px;
  margin: 0 auto 22px;
  border-radius: 14px;
  background: linear-gradient(160deg, var(--bg-panel-raised), var(--bg-panel));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gate-mark svg { width: 30px; height: 30px; }

.gate-card h1 {
  font-size: 1.5rem;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.gate-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0 0 28px;
}

.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--text-primary);
  color: #0b0f14;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn-google:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,0.35); }
.btn-google svg { width: 18px; height: 18px; }

.btn-skip {
  margin-top: 14px;
  background: none;
  border: none;
  color: var(--text-faint);
  font-size: 0.82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =========================================================
   Shell layout
   ========================================================= */
#shell { display: none; min-height: 100%; }
#shell.active { display: flex; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 22px;
}

.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(160deg, var(--bg-panel-raised), var(--bg-deep));
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 17px; height: 17px; }

.brand-name {
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 9px 12px;
  border: none;
  background: none;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  text-align: left;
  transition: background 120ms ease, color 120ms ease;
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }
.nav-item:hover { background: var(--bg-panel-raised); color: var(--text-primary); }
.nav-item.active {
  background: var(--bg-panel-raised);
  color: var(--text-primary);
  box-shadow: inset 2px 0 0 var(--amber);
}

.sidebar-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-foot-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.sidebar-foot-name {
  font-size: 0.82rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sidebar-foot-signout {
  background: none; border: none; padding: 0;
  font-size: 0.72rem; color: var(--text-faint);
  text-align: left; text-decoration: underline; text-underline-offset: 2px;
}

/* =========================================================
   Main column
   ========================================================= */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border-soft);
}

.topbar-greeting h2 {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0;
}
.topbar-greeting span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-faint);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar-clock {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.topbar-weather {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 5px 10px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
}
.topbar-weather svg { width: 14px; height: 14px; color: var(--amber); }

.content {
  flex: 1;
  padding: 26px 28px 100px;
  max-width: 1040px;
}

.station {
  display: none;
  animation: rise 220ms ease;
}
.station.active { display: block; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.station-head {
  margin-bottom: 20px;
}
.station-head h1 {
  font-size: 1.28rem;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.station-head p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
  max-width: 60ch;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.panel + .panel { margin-top: 16px; }

.panel-title {
  font-size: 0.78rem;
  text-transform: none;
  color: var(--text-muted);
  margin: 0 0 14px;
  font-weight: 600;
}

/* =========================================================
   Dashboard grid
   ========================================================= */
.grid-2 { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.stat-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.stat-card {
  flex: 1;
  min-width: 140px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.stat-card .num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  color: var(--amber);
  line-height: 1;
}
.stat-card .label {
  margin-top: 6px;
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* =========================================================
   Buttons & inputs
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--bg-panel-raised);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 0.84rem;
  transition: border-color 120ms ease, transform 120ms ease;
}
.btn:hover { border-color: var(--cyan-dim); }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1206;
  font-weight: 600;
}
.btn-primary:hover { border-color: var(--amber); filter: brightness(1.05); }

.btn-ghost {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
}
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-panel-raised); }

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

.field {
  width: 100%;
  background: var(--bg-field);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.87rem;
  font-family: inherit;
}
.field:focus { border-color: var(--cyan-dim); }

.field-row { display: flex; gap: 10px; }

label.field-label {
  display: block;
  font-size: 0.74rem;
  color: var(--text-muted);
  margin: 0 0 6px;
}

/* =========================================================
   To-do
   ========================================================= */
.todo-add { display: flex; gap: 8px; margin-bottom: 16px; }
.todo-add .field { flex: 1; }

.todo-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }

.todo-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--bg-field);
}

.todo-check {
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
}
.todo-check.checked { background: var(--green); border-color: var(--green); }
.todo-check svg { width: 11px; height: 11px; color: #0b0f14; }

.todo-text { flex: 1; font-size: 0.87rem; word-break: break-word; }
.todo-item.done .todo-text { color: var(--text-faint); text-decoration: line-through; }

.todo-del {
  background: none; border: none; color: var(--text-faint); font-size: 0.78rem;
}
.todo-del:hover { color: var(--red); }

.empty-note {
  color: var(--text-faint);
  font-size: 0.84rem;
  padding: 18px 4px;
  text-align: center;
}

/* =========================================================
   Pomodoro
   ========================================================= */
.timer-wrap { display: flex; flex-direction: column; align-items: center; padding: 10px 0 4px; }

.timer-ring { position: relative; width: 220px; height: 220px; }
.timer-ring svg { transform: rotate(-90deg); }
.timer-ring circle { fill: none; stroke-width: 7; }
.ring-track { stroke: var(--border-soft); }
.ring-progress { stroke: var(--amber); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }

.timer-display {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.timer-time { font-family: var(--font-mono); font-size: 2.5rem; color: var(--text-primary); }
.timer-mode { font-size: 0.74rem; color: var(--text-muted); margin-top: 4px; }

.timer-controls { display: flex; gap: 10px; margin-top: 22px; }

.timer-settings {
  display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; justify-content: center;
}
.timer-settings .field { width: 76px; text-align: center; }

.timer-cycles { margin-top: 14px; color: var(--text-muted); font-size: 0.8rem; font-family: var(--font-mono); }

/* =========================================================
   Calendar
   ========================================================= */
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.cal-head h3 { margin: 0; font-size: 0.95rem; font-weight: 600; }
.cal-nav { display: flex; gap: 6px; }
.cal-nav button {
  background: var(--bg-panel-raised); border: 1px solid var(--border); color: var(--text-primary);
  width: 28px; height: 28px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
}

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-dow { font-size: 0.68rem; color: var(--text-faint); text-align: center; padding-bottom: 4px; }
.cal-cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  padding: 5px 2px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-field);
  cursor: pointer;
  position: relative;
}
.cal-cell.empty { background: none; border: none; cursor: default; }
.cal-cell.today { border-color: var(--cyan-dim); color: var(--text-primary); }
.cal-cell.selected { border-color: var(--amber); color: var(--text-primary); }
.cal-cell .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--amber); margin-top: 3px; }

.cal-events { margin-top: 16px; }
.cal-events h4 { font-size: 0.8rem; color: var(--text-muted); margin: 0 0 10px; font-weight: 600; }
.event-add { display: flex; gap: 8px; margin-bottom: 10px; }
.event-add .field { flex: 1; }
.event-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border-soft);
  background: var(--bg-field); font-size: 0.84rem; margin-bottom: 6px;
}

/* =========================================================
   Scanner
   ========================================================= */
.scan-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-field);
  border: 1px solid var(--border);
}
.scan-frame video { width: 100%; height: 100%; object-fit: cover; }
.scan-reticle {
  position: absolute; inset: 14%;
  border: 2px solid var(--cyan);
  border-radius: 14px;
  opacity: 0.55;
  pointer-events: none;
}
.scan-controls { display: flex; gap: 10px; justify-content: center; margin-top: 16px; }
.scan-result {
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--bg-field);
  border: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  word-break: break-word;
  display: none;
}
.scan-result.show { display: block; }

/* =========================================================
   Weather
   ========================================================= */
.weather-hero { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.weather-temp { font-family: var(--font-mono); font-size: 3.2rem; color: var(--amber); line-height: 1; }
.weather-desc { color: var(--text-muted); font-size: 0.9rem; text-transform: capitalize; }
.weather-place { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }

.weather-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 12px; margin-top: 18px; }
.weather-stat { background: var(--bg-field); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 12px; }
.weather-stat .v { font-family: var(--font-mono); font-size: 1.1rem; }
.weather-stat .k { font-size: 0.7rem; color: var(--text-faint); margin-top: 3px; }

/* =========================================================
   Calculator
   ========================================================= */
.calc-wrap { max-width: 320px; margin: 0 auto; }
.calc-display {
  background: var(--bg-field);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  text-align: right;
  margin-bottom: 14px;
}
.calc-sub { color: var(--text-faint); font-family: var(--font-mono); font-size: 0.78rem; min-height: 1.1em; }
.calc-main { font-family: var(--font-mono); font-size: 1.9rem; overflow-x: auto; white-space: nowrap; }
.calc-keys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.calc-key {
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 15px 0;
  font-size: 1rem;
  font-family: var(--font-mono);
}
.calc-key:hover { border-color: var(--cyan-dim); }
.calc-key.op { color: var(--amber); }
.calc-key.eq { background: var(--amber); color: #1a1206; border-color: var(--amber); font-weight: 600; }

/* =========================================================
   Chat / Assistant
   ========================================================= */
.chat-wrap { display: flex; flex-direction: column; height: 520px; }
.chat-log { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding-right: 4px; }
.chat-msg { max-width: 78%; padding: 10px 13px; border-radius: 12px; font-size: 0.87rem; line-height: 1.45; }
.chat-msg.user { align-self: flex-end; background: var(--amber-dim); color: var(--text-primary); border-bottom-right-radius: 3px; }
.chat-msg.ai { align-self: flex-start; background: var(--bg-field); border: 1px solid var(--border-soft); border-bottom-left-radius: 3px; }
.chat-msg.sys { align-self: center; color: var(--text-faint); font-size: 0.76rem; background: none; }
.chat-input-row { display: flex; gap: 8px; margin-top: 14px; }
.chat-input-row textarea {
  flex: 1; resize: none; min-height: 44px; max-height: 120px;
}

/* =========================================================
   Settings note / API key notice
   ========================================================= */
.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: var(--radius-md);
  background: rgba(255, 180, 84, 0.07);
  border: 1px solid var(--amber-dim);
  font-size: 0.8rem; color: var(--text-muted);
  margin-bottom: 16px;
}
.notice svg { width: 16px; height: 16px; color: var(--amber); flex-shrink: 0; margin-top: 1px; }
.notice a { color: var(--cyan); }

/* =========================================================
   Bottom tab bar (mobile)
   ========================================================= */
.tabbar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-soft);
  padding: 6px 2px calc(6px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
}
.tabbar-scroll {
  display: flex;
  overflow-x: auto;
  gap: 2px;
}
.tab-item {
  flex: 0 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: none; border: none; color: var(--text-faint);
  padding: 7px 13px;
  font-size: 0.6rem;
}
.tab-item svg { width: 19px; height: 19px; }
.tab-item.active { color: var(--amber); }

/* =========================================================
   Floating "powered by" ad
   ========================================================= */
.floating-ad {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100% - 32px);
  padding: 12px 10px 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--bg-panel-raised), var(--bg-panel));
  border: 1px solid var(--border);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  transform: translate(-50%, 160%);
  opacity: 0;
  transition: transform 460ms cubic-bezier(0.22, 0.9, 0.3, 1), opacity 320ms ease;
}
.floating-ad.show {
  transform: translate(-50%, 0);
  opacity: 1;
}
.floating-ad-text {
  font-size: 0.85rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.floating-ad-text .brand-highlight {
  font-weight: 700;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.floating-ad-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: none;
  color: var(--text-faint);
  font-size: 1.05rem;
  line-height: 1;
}
.floating-ad-close:hover { color: var(--text-primary); background: var(--bg-field); }

@media (max-width: 760px) {
  .floating-ad { bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
  .floating-ad-text { max-width: 58vw; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .sidebar { display: none; }
  .tabbar { display: block; }
  .topbar { padding: 0 16px; }
  .content { padding: 18px 16px 90px; }
  .grid-3 { grid-template-columns: 1fr; }
  :root { --topbar-h: 58px; }
}

:root {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}