:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #737373;
  --paper: #f7f7f5;
  --card: #ffffff;
  --soft: #f1f1ef;
  --accent: #24786f;
  --accent-dark: #155f58;
  --accent-strong: #155f58;
  --accent-soft: #dff3ef;
  --sage: #e4f2ef;
  --line: #dededb;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
  font-family: "Roboto", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); min-width: 320px; }
button, input, textarea { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.auth-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at top, var(--accent-soft), transparent 42%), var(--paper); }
.auth-card { width: min(100%, 430px); padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--card); box-shadow: var(--shadow); }
.auth-card h1 { font-size: clamp(2.1rem, 9vw, 3.2rem); }
.auth-intro { margin-top: 10px; color: var(--muted); line-height: 1.5; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 26px 0 20px; padding: 4px; border-radius: 12px; background: var(--soft); }
.auth-tab { border: 0; border-radius: 9px; padding: 9px; background: transparent; color: var(--muted); cursor: pointer; font-size: .78rem; font-weight: 500; }
.auth-tab.active { background: var(--card); color: var(--accent-dark); box-shadow: 0 1px 4px rgba(0,0,0,.07); }
.auth-form { gap: 14px; }
.field-help { display: block; margin-top: -9px; color: var(--muted); font-size: .68rem; }
.app-shell { max-width: 1120px; min-height: 100vh; margin: auto; padding: 32px 28px 112px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.topbar-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.user-chip { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: .75rem; }
.sign-out-button { padding: 8px 11px; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(2rem, 6vw, 3.7rem); letter-spacing: -0.045em; font-weight: 500; }
h2 { font-size: clamp(1.65rem, 4vw, 2.35rem); letter-spacing: -0.03em; font-weight: 500; }
h3 { font-size: 1rem; font-weight: 500; }
.eyebrow { color: var(--accent-dark); font-size: .69rem; letter-spacing: .12em; font-weight: 700; margin-bottom: 6px; }
.sync-status { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: rgba(255,255,255,.55); border-radius: 99px; padding: 8px 12px; color: var(--muted); font-size: .77rem; white-space: nowrap; }
.sync-status span { width: 8px; height: 8px; border-radius: 50%; background: #d4a62a; }
.sync-status.online span { background: var(--accent); }
.sync-status.offline span { background: var(--accent); }
.view { display: none; animation: reveal .24s ease; }
.view.active { display: block; }
@keyframes reveal { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.bento-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px; }
.bento-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow); }
.bento-card.primary { grid-column: span 8; min-height: 270px; background: var(--ink); color: white; display: flex; flex-direction: column; }
.bento-card.route { grid-column: span 4; background: var(--accent-soft); }
.bento-card.stat { grid-column: span 3; min-height: 140px; }
.bento-card.upcoming { grid-column: span 9; }
.bento-card.wide { width: 100%; }
.card-label { font-size: .7rem; letter-spacing: .1em; font-weight: 700; color: var(--muted); }
.primary .card-label { color: #c9c5be; }
.status-pill { display: inline-flex; align-items: center; width: fit-content; border-radius: 99px; padding: 6px 9px; font-size: .66rem; letter-spacing: .08em; font-weight: 700; background: var(--sage); color: var(--accent-dark); }
.primary .status-pill { background: rgba(255,255,255,.12); color: white; }
.next-title { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1; letter-spacing: -.04em; max-width: 10ch; margin: auto 0 12px; }
.next-meta { color: #c9c5be; line-height: 1.5; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.button { border: 1px solid var(--line); border-radius: 99px; padding: 9px 14px; background: var(--card); color: var(--ink); cursor: pointer; font-weight: 500; font-size: .8rem; transition: transform .15s ease, background .15s ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--accent); color: white; border-color: var(--accent); }
.button.primary:hover { background: var(--accent-strong); }
.button.inverse { background: white; color: var(--ink); border-color: white; }
.button.ghost-dark { background: transparent; color: white; border-color: rgba(255,255,255,.25); }
.button.full { width: 100%; padding: 12px; }
.route-points { display: flex; flex-direction: column; gap: 4px; margin-top: 24px; }
.route-point { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: center; }
.route-point span { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(32,32,30,.2); font-size: .68rem; font-weight: 700; background: rgba(255,255,255,.4); }
.route-point strong { font-size: .87rem; }
.route-point small { color: var(--muted); display: block; margin-top: 2px; }
.route-line { width: 1px; height: 17px; background: rgba(32,32,30,.18); margin-left: 13px; }
.big-stat { font-size: 2.35rem; font-weight: 500; letter-spacing: -.04em; margin-top: 28px; }
.stat-note { color: var(--muted); font-size: .78rem; margin-top: 4px; }
.upcoming-list, .timeline, .comment-feed { display: flex; flex-direction: column; }
.event-row { width: 100%; display: grid; grid-template-columns: 48px minmax(0,1fr) auto; align-items: center; gap: 13px; padding: 14px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: inherit; text-align: left; cursor: pointer; }
.event-row:last-child { border-bottom: 0; }
.event-badge { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--accent-soft); color: var(--accent-dark); font-size: .62rem; font-weight: 700; letter-spacing: .05em; }
.event-copy { min-width: 0; }
.event-copy strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.event-copy small, .event-time { color: var(--muted); font-size: .76rem; }
.event-copy small { display: block; margin-top: 4px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 5px 0 20px; }
.section-heading.compact { margin-top: 28px; margin-bottom: 8px; }
.icon-button { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--accent); color: white; font-size: 1.7rem; cursor: pointer; }
.search-field { display: block; margin-bottom: 14px; }
.search-field input, form input, form textarea { width: 100%; border: 1px solid var(--line); border-radius: 13px; background: var(--card); color: var(--ink); padding: 12px 13px; outline: none; }
.search-field input:focus, form input:focus, form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.timeline { background: var(--card); border-radius: var(--radius-lg); padding: 4px 20px; border: 1px solid var(--line); }
.timeline .event-row { grid-template-columns: 54px 42px minmax(0,1fr) auto; }
.date-tile { text-align: center; line-height: 1; }
.date-tile small { display: block; color: var(--muted); font-size: .62rem; font-weight: 700; text-transform: uppercase; }
.date-tile strong { display: block; font-size: 1.25rem; font-weight: 500; margin-top: 4px; }
.calendar-hint { color: var(--muted); font-size: .82rem; line-height: 1.5; margin: -10px 0 14px; }
.calendar-loading { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; color: var(--muted); }
.calendar-shell { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.calendar-scroll { max-height: min(68vh, 720px); overflow: auto; overscroll-behavior: contain; scrollbar-color: var(--muted) transparent; }
.calendar-scroll:focus-visible { outline: 2px solid var(--ink); outline-offset: -2px; }
.calendar-board { display: grid; grid-template-columns: 62px repeat(var(--calendar-days), 168px); grid-template-rows: 62px auto 1088px; width: max-content; min-width: 100%; }
.calendar-corner, .calendar-day-header { position: sticky; top: 0; z-index: 5; background: var(--card); border-bottom: 1px solid var(--line); }
.calendar-corner { left: 0; z-index: 7; grid-column: 1; grid-row: 1; display: grid; place-items: center; color: var(--muted); font-size: .65rem; font-weight: 700; letter-spacing: .08em; }
.calendar-day-header { grid-row: 1; min-width: 168px; padding: 10px 12px; border-left: 1px solid var(--line); }
.calendar-day-header span, .calendar-day-header small { display: block; color: var(--muted); font-size: .66rem; }
.calendar-day-header strong { display: block; margin: 2px 0; font-size: .88rem; font-weight: 500; }
.calendar-day-header.today strong { color: var(--accent-dark); }
.calendar-all-day-label { position: sticky; left: 0; z-index: 4; grid-column: 1; grid-row: 2; display: flex; align-items: flex-start; justify-content: center; padding-top: 12px; background: var(--card); color: var(--muted); font-size: .63rem; border-bottom: 1px solid var(--line); }
.calendar-all-day-cell { grid-row: 2; min-height: 48px; padding: 6px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.calendar-all-day-event { width: 100%; display: block; border: 0; border-radius: 8px; background: var(--accent-soft); color: var(--ink); padding: 7px 8px; text-align: left; cursor: pointer; }
.calendar-all-day-event + .calendar-all-day-event { margin-top: 4px; }
.calendar-all-day-event strong, .calendar-all-day-event small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-all-day-event strong { font-size: .7rem; font-weight: 500; }
.calendar-all-day-event small { margin-top: 2px; color: var(--muted); font-size: .62rem; }
.calendar-empty-day { display: block; padding: 8px; color: var(--line); text-align: center; }
.calendar-time-axis { position: sticky; left: 0; z-index: 3; grid-column: 1; grid-row: 3; background: var(--card); border-right: 1px solid var(--line); }
.calendar-time-axis span { position: absolute; right: 9px; transform: translateY(-50%); color: var(--muted); font-size: .62rem; white-space: nowrap; }
.calendar-time-axis span:first-child { transform: translateY(6px); }
.calendar-day-column { position: relative; grid-row: 3; min-width: 168px; border-right: 1px solid var(--line); background: repeating-linear-gradient(to bottom, transparent 0, transparent 63px, var(--line) 63px, var(--line) 64px); }
.calendar-day-column.today { background-color: var(--accent-soft); }
.calendar-event { position: absolute; z-index: 2; left: 5px; right: 5px; overflow: hidden; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; background: var(--card); color: var(--ink); padding: 7px 8px; text-align: left; cursor: pointer; box-shadow: 0 3px 10px rgba(0,0,0,.05); }
.calendar-event:hover, .calendar-event:focus-visible, .calendar-all-day-event:hover, .calendar-all-day-event:focus-visible { background: var(--accent-soft); }
.calendar-event strong, .calendar-event span, .calendar-event small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-event strong { font-size: .7rem; font-weight: 500; }
.calendar-event span, .calendar-event small { margin-top: 2px; color: var(--muted); font-size: .61rem; }
.map-card { padding: 10px; overflow: hidden; }
.map-card iframe { width: 100%; height: 410px; border: 0; border-radius: 17px; filter: saturate(.72) contrast(.94); }
.route-strip { display: grid; grid-template-columns: 1fr 35px 1fr 35px 1fr; align-items: center; padding: 15px 8px 8px; }
.route-strip div { text-align: center; }
.route-strip span { width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: white; display: grid; place-items: center; margin: auto auto 6px; font-size: .6rem; font-weight: 700; }
.route-strip strong, .route-strip small { display: block; }
.route-strip strong { font-size: .8rem; }
.route-strip small { color: var(--muted); font-size: .65rem; margin-top: 2px; }
.route-strip i { height: 1px; background: var(--line); }
.places-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.place-card { background: var(--card); border-radius: var(--radius-md); padding: 16px; border: 1px solid var(--line); }
.place-card small { color: var(--muted); display: block; margin: 6px 0 16px; }
.place-links { display: flex; gap: 6px; flex-wrap: wrap; }
.place-links a { color: var(--accent-dark); font-size: .73rem; font-weight: 500; text-decoration: none; }
.group-summary .bento-card { grid-column: span 4; min-height: 150px; }
.comment-item { padding: 15px 2px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 36px 1fr; gap: 12px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--soft); display: grid; place-items: center; font-size: .75rem; font-weight: 700; }
.comment-item small { color: var(--muted); }
.comment-item p { margin-top: 5px; line-height: 1.45; }
.empty-note { color: var(--muted); padding: 18px 0; }
.bottom-nav { position: fixed; z-index: 10; left: 50%; bottom: max(16px, env(safe-area-inset-bottom)); transform: translateX(-50%); display: grid; grid-template-columns: repeat(5, 70px); gap: 2px; padding: 7px; border: 1px solid rgba(32,32,30,.1); background: rgba(255,255,255,.92); backdrop-filter: blur(18px); border-radius: 22px; box-shadow: var(--shadow); }
.nav-item { border: 0; border-radius: 15px; background: transparent; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 7px; cursor: pointer; font-size: .65rem; font-weight: 500; }
.nav-item svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav-item.active { background: var(--accent-soft); color: var(--accent-dark); }
.sheet-dialog { width: min(560px, calc(100% - 24px)); max-height: 88vh; border: 0; border-radius: 25px; padding: 26px; color: var(--ink); background: var(--card); box-shadow: 0 28px 80px rgba(20,18,16,.25); }
.sheet-dialog::backdrop { background: rgba(20,18,16,.52); backdrop-filter: blur(4px); }
.dialog-handle { display: none; }
.dialog-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%; border: 0; background: var(--soft); cursor: pointer; font-size: 1.3rem; }
.sheet-dialog h2 { margin-bottom: 20px; }
form { display: flex; flex-direction: column; gap: 13px; }
form label { font-size: .72rem; color: var(--muted); font-weight: 500; }
form label input, form label textarea { display: block; margin-top: 6px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-message { min-height: 18px; color: var(--accent-dark); font-size: .77rem; }
.detail-heading { padding-right: 34px; }
.detail-meta { color: var(--muted); margin: 8px 0 18px; }
.detail-notes { background: var(--soft); border-radius: 14px; padding: 14px; line-height: 1.5; margin-bottom: 20px; }
.detail-comments { margin: 20px 0 10px; }
.loading-card { background: var(--card); border-radius: var(--radius-lg); padding: 30px; color: var(--muted); }

@media (max-width: 720px) {
  .auth-screen { padding: 14px; }
  .auth-card { padding: 24px 20px; }
  .app-shell { padding: 22px 14px 106px; }
  .topbar { margin-bottom: 20px; }
  .sync-status { padding: 7px 9px; }
  .sync-status { font-size: 0; gap: 0; }
  .user-chip { display: none; }
  .sign-out-button { padding: 7px 9px; font-size: .7rem; }
  .bento-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .bento-card.primary, .bento-card.route, .bento-card.upcoming { grid-column: span 2; }
  .bento-card.stat { grid-column: span 1; min-height: 125px; }
  .bento-card.primary { min-height: 290px; }
  .places-grid { grid-template-columns: 1fr; gap: 10px; }
  .group-summary .bento-card { grid-column: span 1; }
  .timeline { padding: 2px 12px; }
  .timeline .event-row { grid-template-columns: 42px minmax(0,1fr) auto; }
  .timeline .event-badge { display: none; }
  .event-time { max-width: 64px; text-align: right; }
  .map-card iframe { height: 340px; }
  .calendar-board { grid-template-columns: 54px repeat(var(--calendar-days), 148px); }
  .calendar-day-header, .calendar-day-column { min-width: 148px; }
  .calendar-scroll { max-height: 66vh; }
  .bottom-nav { grid-template-columns: repeat(5, minmax(50px, 1fr)); width: calc(100% - 20px); max-width: 430px; }
  .sheet-dialog { width: 100%; max-width: none; margin: auto 0 0; border-radius: 24px 24px 0 0; padding: 27px 18px calc(24px + env(safe-area-inset-bottom)); }
  .dialog-handle { display: block; width: 40px; height: 4px; border-radius: 99px; background: var(--line); margin: -14px auto 18px; }
}

@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --ink: #f5f5f4; --muted: #a3a3a3; --paper: #111111; --card: #1b1b1b; --soft: #252525; --accent: #2d8278; --accent-dark: #8bd8cd; --accent-strong: #20685f; --accent-soft: #193c38; --sage: #21443f; --line: #343434; --shadow: 0 8px 24px rgba(0,0,0,.2); }
  .bento-card.primary { background: #f0f0ee; color: #171717; }
  .primary .card-label, .primary .next-meta { color: #6b6b68; }
  .primary .status-pill { background: #dededb; color: #333331; }
  .button.inverse { background: #1b1b1b; color: #f5f5f4; border-color: #1b1b1b; }
  .button.ghost-dark { color: #171717; border-color: rgba(23,23,23,.25); }
  .bottom-nav { background: rgba(27,27,27,.94); }
}