:root {
  color-scheme: light;
  --ink: #0f1120;
  --ink-soft: #646776;
  --navy: #0f1120;
  --navy-soft: #181c34;
  --indigo: #354381;
  --indigo-bright: #48569d;
  --indigo-pale: #eef0f8;
  --amber: #f0aa3c;
  --canvas: #fafbff;
  --paper: #fff;
  --surface: #fff;
  --surface-soft: #f8f9fc;
  --surface-outside: #fbfcfe;
  --surface-hover: #f5f6fa;
  --field: #fff;
  --line: #dfe2ec;
  --danger: #a9323c;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* { box-sizing: border-box; }
html, body { width: 100%; min-width: 320px; height: 100%; margin: 0; overflow: hidden; }
body { background: var(--canvas); }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(72, 86, 157, .28); outline-offset: 2px;
}
[hidden] { display: none !important; }

.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; color: var(--navy); background: linear-gradient(145deg, #f8bb55, var(--amber)); box-shadow: 0 8px 22px rgba(240, 170, 60, .21); font-size: 10px; font-weight: 900; }
.brand-mark.large { width: 56px; height: 56px; border-radius: 18px; font-size: 13px; }
.eyebrow { margin: 0 0 7px; color: var(--indigo); font-size: 10px; font-weight: 850; letter-spacing: .16em; }
.icon-button { width: 38px; height: 38px; display: inline-grid; place-items: center; padding: 0; border: 0; border-radius: 50%; background: transparent; cursor: pointer; font-size: 23px; line-height: 1; }
.icon-button:hover { color: var(--indigo); background: var(--indigo-pale); }
.primary-button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 17px; border: 0; border-radius: 11px; color: #fff; background: linear-gradient(135deg, #303b79, var(--navy)); box-shadow: 0 8px 20px rgba(15, 17, 32, .17); cursor: pointer; font-weight: 750; }
.primary-button:hover { background: linear-gradient(135deg, #43519b, #1b203f); transform: translateY(-1px); }
.primary-button.compact { min-height: 38px; padding: 0 15px; border-radius: 10px; }
.outline-button { min-height: 39px; padding: 0 20px; border: 1px solid #c8ccd8; border-radius: 999px; background: #fff; cursor: pointer; font-weight: 700; }
.outline-button:hover { border-color: #9199bc; background: #f8f9fc; }
.text-button, .danger-button { min-height: 38px; padding: 0 13px; border: 0; border-radius: 9px; background: transparent; cursor: pointer; font-weight: 700; }
.text-button:hover { background: var(--indigo-pale); color: var(--indigo); }
.danger-button { color: var(--danger); }
.danger-button:hover { background: #fff1f2; }
.form-error { margin: 0; padding: 10px 12px; border: 1px solid #f0cbd0; border-radius: 10px; color: var(--danger); background: #fff1f2; font-size: 13px; }

.login-page { height: 100%; display: grid; place-items: center; padding: 24px; overflow: hidden; background: radial-gradient(circle at 19% 18%, rgba(240,170,60,.15), transparent 22rem), radial-gradient(circle at 54% 5%, rgba(91,105,190,.2), transparent 28rem), linear-gradient(112deg, var(--navy) 0%, #191e38 57%, #f4f5f9 57.1%, var(--canvas) 100%); }
.login-card { width: min(430px, 100%); padding: 40px; border: 1px solid rgba(255,255,255,.78); border-radius: 24px; background: rgba(255,255,255,.98); box-shadow: 0 30px 80px rgba(15,17,32,.2); }
.login-heading { margin: 24px 0 28px; }
.login-heading h1 { margin: 0 0 8px; font-size: 30px; letter-spacing: -.8px; }
.login-heading > p:last-child, .privacy-note { margin: 0; color: var(--ink-soft); }
.login-card form { display: grid; gap: 17px; }
.login-card label, .modal label, .modal .form-field { display: grid; gap: 8px; color: #303342; font-size: 13px; font-weight: 700; }
.login-card input, .modal input, .modal select, .modal textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #d8dce8; border-radius: 11px; outline: 0; color: var(--ink); background: #fff; }
.login-card input:focus, .modal input:focus, .modal select:focus, .modal textarea:focus { border-color: #6874ad; box-shadow: 0 0 0 3px rgba(72,85,156,.12); }
.modal textarea { resize: vertical; line-height: 1.6; }
.privacy-note { margin-top: 24px; text-align: center; font-size: 12px; }

.app-shell { height: 100%; display: flex; overflow: hidden; background: var(--canvas); }
.app-main { min-width: 0; flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { position: relative; z-index: 20; height: 64px; flex: 0 0 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 18px 0 20px; border-bottom: 1px solid rgba(15,17,32,.08); background: rgba(250,251,255,.95); backdrop-filter: blur(12px); }
.topbar-left, .topbar-actions, .month-navigation, .wordmark { min-width: 0; display: flex; align-items: center; gap: 9px; }
.wordmark { gap: 11px; }
.brand-copy { min-width: 0; display: grid; gap: 2px; }
.brand-copy strong { color: inherit; font-size: 17px; line-height: 1.1; letter-spacing: -.3px; white-space: nowrap; }
.brand-copy small { color: #aeb2c4; font-size: 7.5px; font-weight: 750; letter-spacing: .08em; white-space: nowrap; }
.month-navigation { gap: 0; }
.month-heading { min-width: 0; }
.month-title-button { min-width: 0; display: flex; align-items: center; gap: 5px; margin: 0; padding: 3px 6px; border: 0; border-radius: 8px; color: var(--ink); background: transparent; cursor: pointer; white-space: nowrap; }
.month-title-button:hover { color: var(--indigo); background: var(--indigo-pale); }
.month-title-button #monthTitle { font-size: 21px; font-weight: 650; letter-spacing: -.45px; }
.month-title-caret { color: var(--ink-soft); font-size: 12px; }
.avatar-button { width: 38px; height: 38px; padding: 0; border: 2px solid #fff; border-radius: 50%; color: #fff; background: linear-gradient(145deg, #d89734, #354381); box-shadow: 0 0 0 1px #bbc0cf; cursor: pointer; font-size: 10px; font-weight: 850; }
.mobile-account-button { display: none; }
.sidebar { position: relative; width: var(--sidebar-width, 280px); flex: 0 0 var(--sidebar-width, 280px); display: flex; flex-direction: column; gap: 12px; padding: 18px 13px 13px; overflow: visible; color: #f7f7fb; border-right: 1px solid rgba(15,17,32,.12); background: radial-gradient(circle at 12% 0, rgba(240,170,60,.1), transparent 18rem), linear-gradient(180deg, var(--navy-soft), var(--navy)); box-shadow: 16px 0 38px rgba(15,17,32,.07); }
.sidebar-top { min-height: 45px; display: flex; align-items: center; justify-content: space-between; padding: 2px 7px 5px; }
.sidebar-search { width: 100%; min-height: 40px; display: grid; grid-template-columns: 17px minmax(0,1fr) auto; align-items: center; gap: 8px; padding: 0 11px; border: 1px solid rgba(255,255,255,.12); border-radius: 11px; color: #aeb2c4; background: rgba(255,255,255,.07); cursor: pointer; font-size: 13px; text-align: left; transition: border-color .16s ease, color .16s ease, background .16s ease; }
.sidebar-search:hover, .sidebar-search:focus-visible { border-color: rgba(240,170,60,.48); color: #fff; background: rgba(255,255,255,.1); outline: 0; }
.sidebar-search-icon { position: relative; width: 13px; height: 13px; border: 1.6px solid currentColor; border-radius: 50%; }
.sidebar-search-icon::after { position: absolute; right: -4px; bottom: -3px; width: 5px; height: 1.6px; border-radius: 2px; background: currentColor; content: ""; transform: rotate(45deg); transform-origin: left center; }
.sidebar-search kbd { min-width: 20px; padding: 2px 5px; border: 1px solid rgba(255,255,255,.12); border-radius: 5px; color: #8f94a8; background: rgba(255,255,255,.035); font: 9px/1.2 inherit; text-align: center; }
.sidebar-scroll-region { min-height: 0; width: calc(100% + 26px); flex: 1; margin: 0 -13px; overflow-y: auto; overflow-x: hidden; scrollbar-color: rgba(255,255,255,.16) transparent; scrollbar-width: thin; }
.sidebar-scroll-region::-webkit-scrollbar { width: 5px; }
.sidebar-scroll-region::-webkit-scrollbar-track { background: transparent; }
.sidebar-scroll-region::-webkit-scrollbar-thumb { border-radius: 99px; background: rgba(255,255,255,.16); }
.sidebar-scroll-region::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.27); }
.sidebar-scroll-content { min-height: 100%; padding: 0 13px 8px; }
.sidebar-resizer { position: absolute; top: 0; right: -8px; z-index: 22; width: 8px; height: 100%; padding: 0; border: 0; outline: 0; background: transparent; cursor: col-resize; touch-action: none; }
.sidebar-resizer::after { position: absolute; inset: 0 auto 0 0; width: 2px; background: transparent; content: ""; transition: background .14s ease; }
.sidebar-resizer:hover::after, .sidebar-resizer:focus-visible::after { background: rgba(98,169,255,.72); }
.sidebar-resizing, .sidebar-resizing * { cursor: col-resize !important; user-select: none !important; }
.mini-calendar-section { margin-top: 4px; }
.section-heading { min-height: 36px; display: flex; align-items: center; justify-content: space-between; padding: 0 4px; color: #e4e6ef; font-size: 14px; }
.section-heading .icon-button { width: 30px; height: 30px; font-size: 20px; }
.mini-week, .mini-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.mini-week span { padding: 5px 0; color: #8f94a8; text-align: center; font-size: 9px; }
.mini-day { height: 28px; display: grid; place-items: center; border: 0; border-radius: 50%; color: #dfe1eb; background: transparent; cursor: pointer; font-size: 10px; }
.mini-day:hover { background: rgba(255,255,255,.08); }
.mini-day.outside { color: #666b80; }
.mini-day.today { color: #17181b; background: var(--amber); font-weight: 850; }
.mini-day.selected:not(.today) { color: #ffd27c; background: rgba(240,170,60,.13); font-weight: 800; }
.calendar-list-section { min-height: 0; margin-top: 18px; }
.calendar-filters { display: grid; gap: 2px; }
.filter-row { min-height: 37px; display: grid; grid-template-columns: minmax(0,1fr) 30px; align-items: center; gap: 2px; padding: 2px 2px 2px 4px; border-radius: 8px; font-size: 13px; }
.filter-row { color: #dfe1eb; }
.filter-row:hover { color: #fff; background: rgba(255,255,255,.065); }
.filter-toggle { min-width: 0; display: flex; align-items: center; gap: 10px; padding: 3px 0; cursor: pointer; }
.filter-name { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.filter-row input { position: absolute; opacity: 0; }
.filter-check { position: relative; width: 17px; height: 17px; flex: 0 0 17px; border: 2px solid var(--calendar-color); border-radius: 4px; background: transparent; font-size: 0; transition: background-color .12s ease, border-color .12s ease, transform .12s ease; }
.filter-check::after { content: ""; position: absolute; left: 50%; top: 50%; width: 4px; height: 8px; border: solid #fff; border-width: 0 1.8px 1.8px 0; opacity: 0; transform: translate(-50%,-61%) rotate(45deg) scale(.7); transform-origin: center; transition: opacity .1s ease, transform .12s ease; }
.filter-row input:checked + .filter-check { background: var(--calendar-color); }
.filter-row input:checked + .filter-check::after { opacity: 1; transform: translate(-50%,-61%) rotate(45deg) scale(1); }
.filter-row input:active + .filter-check { transform: scale(.9); }
.filter-row input:focus-visible + .filter-check { outline: 2px solid rgba(255,255,255,.78); outline-offset: 2px; }
.calendar-row-more { width: 28px; height: 28px; display: grid; place-items: center; padding: 0 0 3px; border: 0; border-radius: 50%; color: #c8cbd7; background: transparent; cursor: pointer; opacity: 0; font-size: 20px; font-weight: 800; line-height: 1; transition: opacity .12s ease, background .12s ease; }
.filter-row:hover .calendar-row-more, .filter-row:focus-within .calendar-row-more, .calendar-row-more[aria-expanded="true"] { opacity: 1; }
.calendar-row-more:hover, .calendar-row-more:focus-visible, .calendar-row-more[aria-expanded="true"] { color: #fff; background: rgba(255,255,255,.13); outline: 0; }
.calendar-options-menu { position: fixed; z-index: 60; width: 230px; padding: 9px; border: 1px solid rgba(255,255,255,.13); border-radius: 13px; color: #f7f7fb; background: #25283d; box-shadow: 0 20px 52px rgba(5,7,18,.42); }
.calendar-options-menu > strong { display: block; padding: 7px 9px 9px; overflow: hidden; color: #fff; font-size: 12px; white-space: nowrap; text-overflow: ellipsis; }
.calendar-options-menu > button { width: 100%; min-height: 36px; padding: 0 9px; border: 0; border-radius: 8px; color: #dfe1eb; background: transparent; cursor: pointer; font-size: 11px; font-weight: 650; text-align: left; }
.calendar-options-menu > button:hover, .calendar-options-menu > button:focus-visible { color: #fff; background: rgba(255,255,255,.08); outline: 0; }
.calendar-options-divider { height: 1px; margin: 7px 3px 9px; background: rgba(255,255,255,.12); }
.calendar-options-label { display: block; padding: 0 9px 8px; color: #9da2b5; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.standard-color-palette { display: grid; grid-template-columns: repeat(6, 24px); gap: 8px; align-items: center; }
.standard-color-palette.compact { justify-content: center; padding: 0 6px 7px; }
.standard-color-option { position: relative; width: 24px; height: 24px; padding: 0; border: 0; border-radius: 50%; background: var(--palette-color); cursor: pointer; box-shadow: 0 0 0 1px rgba(15,17,32,.08); }
.standard-color-option:hover { transform: scale(1.12); }
.standard-color-option:focus-visible { outline: 3px solid rgba(255,255,255,.74); outline-offset: 2px; }
.standard-color-option[aria-checked="true"]::after { content: ""; position: absolute; left: 9px; top: 5px; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); filter: drop-shadow(0 1px 1px rgba(0,0,0,.34)); }
.sidebar-note { margin: 0; padding: 12px 4px; color: #74798d; font-size: 10px; }
.sidebar-account { position: relative; flex: 0 0 auto; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.1); }
.account-profile { width: 100%; min-width: 0; display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 10px; padding: 6px; border: 0; border-radius: 11px; color: #fff; background: transparent; cursor: pointer; text-align: left; }
.account-profile:hover, .account-profile[aria-expanded="true"] { background: rgba(255,255,255,.08); }
.sidebar-avatar { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: linear-gradient(145deg, #3d477e, #282f5a); font-size: 9px; font-weight: 850; }
.account-copy { min-width: 0; display: grid; gap: 2px; }
.account-copy strong { font-size: 13px; }
.account-copy small { overflow: hidden; color: #8f94a8; font-size: 9px; white-space: nowrap; text-overflow: ellipsis; }
.account-chevron { color: #8f94a8; font-size: 13px; transition: transform .16s ease; }
.account-profile[aria-expanded="true"] .account-chevron { transform: rotate(180deg); }
.account-settings { position: absolute; z-index: 45; inset: auto 0 calc(100% + 9px); padding: 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 13px; color: #f7f7fb; background: #25283d; box-shadow: 0 18px 46px rgba(5,7,18,.38); }
.appearance-setting { display: grid; gap: 9px; padding: 10px; border-radius: 10px; background: rgba(255,255,255,.055); }
.appearance-setting > span { color: #dfe1eb; font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.appearance-setting > small { color: #969bad; font-size: 9px; }
.theme-options { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 5px; }
.theme-options button { min-width: 0; min-height: 52px; display: grid; place-items: center; align-content: center; gap: 3px; padding: 5px 2px; border: 1px solid rgba(255,255,255,.11); border-radius: 8px; color: #c8cbd7; background: rgba(255,255,255,.045); cursor: pointer; font-size: 8px; }
.theme-options button b { font-size: 15px; line-height: 1; }
.theme-options button:hover { border-color: rgba(240,170,60,.42); color: #fff; background: rgba(255,255,255,.08); }
.theme-options button[aria-pressed="true"] { border-color: var(--amber); color: #17181b; background: var(--amber); box-shadow: 0 5px 12px rgba(5,7,18,.2); }
.account-logout { width: 100%; margin-top: 9px; padding: 10px; border: 0; border-top: 1px solid rgba(255,255,255,.11); border-radius: 0 0 8px 8px; color: #ff9ca5; background: transparent; cursor: pointer; font-size: 11px; font-weight: 700; text-align: left; }
.account-logout:hover { color: #fff; background: rgba(214,73,87,.14); }

.workspace { min-width: 0; min-height: 0; flex: 1; overflow: hidden; background: var(--surface); }
.calendar-view { height: 100%; display: grid; grid-template-rows: 34px minmax(0,1fr); overflow: hidden; border-radius: 24px 0 0; }
.weekday-row { display: grid; grid-template-columns: repeat(7, minmax(0,1fr)); border-bottom: 1px solid var(--line); }
.weekday-row span { display: grid; place-items: center; color: #676b77; font-size: 11px; }
.weekday-row i { font-style: normal; }
.weekday-row b { display: none; font-weight: 500; }
.month-grid { --cell-header-space: 35px; --event-chip-height: 21px; --event-row-gap: 3px; --more-events-height: 20px; min-height: 0; display: grid; grid-template-columns: repeat(7, minmax(0,1fr)); grid-template-rows: repeat(6,minmax(0,1fr)); touch-action: pan-y; }
.day-cell { min-width: 0; min-height: 0; padding: 6px 5px 4px; overflow: hidden; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); cursor: pointer; }
.day-cell:nth-child(7n) { border-right: 0; }
.day-cell:hover { background: var(--surface-hover); }
.day-cell.outside { background: var(--surface-outside); }
.day-cell.outside .day-number { color: #a9acb5; }
.day-number-row { min-height: 25px; display: flex; justify-content: center; align-items: start; }
.day-number { min-width: 26px; height: 26px; display: inline-grid; place-items: center; padding: 0 5px; border-radius: 50%; font-size: 12px; }
.day-number.today { color: #fff; background: var(--indigo-bright); font-weight: 850; }
.day-number.month-edge { border-radius: 10px; }
.day-events { display: grid; gap: var(--event-row-gap); }
.event-chip { min-width: 0; height: var(--event-chip-height); display: flex; align-items: center; padding: 0 6px; overflow: hidden; border: 0; border-radius: 6px; color: var(--event-text,#fff); background: var(--event-color); cursor: pointer; font-size: 11px; font-weight: 650; line-height: 1; text-align: left; white-space: nowrap; text-overflow: ellipsis; }
.event-chip:hover { filter: brightness(.94); transform: translateY(-1px); }
.more-events { position: relative; z-index: 1; width: 100%; min-width: 0; height: var(--more-events-height); display: flex; align-items: center; padding: 0 6px; overflow: hidden; border: 0; border-radius: 5px; color: #454958; background: color-mix(in srgb, var(--ink) 5%, transparent); cursor: pointer; font-size: 10px; font-weight: 800; line-height: 1; text-align: left; white-space: nowrap; text-overflow: ellipsis; transition: color .12s ease, background .12s ease, transform .12s ease; }
.more-events:hover, .more-events:focus-visible { color: var(--indigo); background: var(--indigo-pale); outline: 0; }
.more-events:active { transform: translateY(1px); }

.search-view { height: 100%; overflow-y: auto; background: var(--surface-soft); }
.search-header { position: sticky; top: 0; z-index: 3; display: flex; align-items: center; gap: 13px; padding: 17px 30px; border-bottom: 1px solid var(--line); background: rgba(250,251,255,.96); backdrop-filter: blur(10px); }
.search-field { width: min(720px, 100%); display: flex; align-items: center; gap: 10px; padding: 0 17px; border-radius: 999px; background: var(--field); box-shadow: 0 3px 14px rgba(15,17,32,.08); }
.search-field input { width: 100%; height: 48px; border: 0; outline: 0; background: transparent; }
.search-summary { max-width: 1030px; margin: 0 auto; padding: 16px 24px 6px; color: #777b88; font-size: 12px; }
.search-results { max-width: 1030px; margin: 0 auto; padding: 0 24px 10px; }
.search-result { width: 100%; min-height: 51px; display: grid; grid-template-columns: 68px 10px minmax(0,1fr) 130px; align-items: center; gap: 12px; padding: 8px 12px; border: 0; border-bottom: 1px solid var(--line); background: transparent; cursor: pointer; text-align: left; }
.search-result:hover { border-radius: 12px; background: var(--surface); box-shadow: 0 7px 22px rgba(15,17,32,.06); }
.result-date strong, .result-date span { display: block; }
.result-date strong { font-size: 18px; line-height: 1; }
.result-date span { margin-top: 2px; color: #747886; font-size: 10px; }
.result-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--event-color); }
.result-title { min-width: 0; overflow: hidden; font-size: 13px; white-space: nowrap; text-overflow: ellipsis; }
.result-calendar { color: #747886; font-size: 11px; text-align: right; }
.search-pagination { max-width: 1030px; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 6px; margin: 0 auto; padding: 10px 24px 32px; }
.search-pagination button { min-width: 32px; height: 32px; padding: 0 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: var(--surface); cursor: pointer; font-size: 12px; font-weight: 700; }
.search-pagination button:hover:not(:disabled) { border-color: var(--indigo); color: var(--indigo); background: var(--indigo-pale); }
.search-pagination button[aria-current="page"] { border-color: var(--indigo); color: #fff; background: var(--indigo); }
.search-pagination button:disabled { cursor: default; opacity: .42; }
.search-pagination span { min-width: 20px; color: var(--ink-soft); text-align: center; }
.empty-state { padding: 80px 20px; color: #777b88; text-align: center; }

.modal { width: min(580px, calc(100vw - 32px)); padding: 0; border: 1px solid rgba(57,70,137,.15); border-radius: 20px; color: var(--ink); background: var(--surface); box-shadow: 0 26px 80px rgba(15,17,32,.24); }
.modal::backdrop { background: rgba(15,17,32,.36); backdrop-filter: blur(3px); }
.modal > form, .detail-modal, .calendar-modal { padding: 26px; }
.modal-heading { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.modal h2 { margin: 0; font-size: 23px; letter-spacing: -.5px; }
.event-modal form { display: grid; gap: 18px; }
.title-field input { min-height: 52px; border-width: 0 0 2px; border-radius: 0; font-size: 20px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calendar-select-field { position: relative; min-width: 0; }
.calendar-native-select { position: absolute !important; width: 1px !important; height: 1px; min-height: 0 !important; margin: 0; padding: 0 !important; overflow: hidden; border: 0 !important; opacity: 0; pointer-events: none; }
.calendar-select-button { width: 100%; min-width: 0; min-height: 44px; display: grid; grid-template-columns: minmax(0,1fr) auto auto; align-items: center; gap: 9px; padding: 9px 11px; border: 1px solid #d8dce8; border-radius: 11px; color: var(--ink); background: var(--surface); cursor: pointer; text-align: left; }
.calendar-select-button:hover { border-color: #b9bfd2; background: var(--surface-hover); }
.calendar-select-button:focus-visible, .calendar-select-button[aria-expanded="true"] { border-color: #6874ad; outline: 0; box-shadow: 0 0 0 3px rgba(72,85,156,.12); }
.calendar-select-name { min-width: 0; overflow: hidden; font-weight: 650; white-space: nowrap; text-overflow: ellipsis; }
.calendar-select-color, .calendar-option-color { display: block; border-radius: 50%; background: var(--calendar-color); }
.calendar-select-color { width: 15px; height: 15px; box-shadow: 0 0 0 2px color-mix(in srgb, var(--calendar-color), transparent 78%); }
.calendar-select-caret { color: var(--ink-soft); font-size: 13px; transition: transform .14s ease; }
.calendar-select-button[aria-expanded="true"] .calendar-select-caret { transform: rotate(180deg); }
.calendar-select-menu { position: absolute; z-index: 12; top: calc(100% + 6px); left: 0; right: 0; max-height: 260px; padding: 6px; overflow-y: auto; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--surface); box-shadow: 0 18px 42px rgba(15,17,32,.2); }
.calendar-select-option { width: 100%; min-width: 0; min-height: 39px; display: grid; grid-template-columns: auto minmax(0,1fr) 18px; align-items: center; gap: 10px; padding: 7px 9px; border: 0; border-radius: 8px; color: var(--ink); background: transparent; cursor: pointer; text-align: left; }
.calendar-select-option:hover, .calendar-select-option:focus-visible { outline: 0; background: var(--surface-hover); }
.calendar-select-option[aria-selected="true"] { background: var(--indigo-pale); }
.calendar-option-color { width: 13px; height: 13px; }
.calendar-option-name { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.calendar-option-check { position: relative; width: 16px; height: 16px; opacity: 0; }
.calendar-select-option[aria-selected="true"] .calendar-option-check { opacity: 1; }
.calendar-option-check::after { content: ""; position: absolute; left: 5px; top: 1px; width: 4px; height: 8px; border: solid var(--indigo); border-width: 0 1.7px 1.7px 0; transform: rotate(45deg); }
.modal-actions { display: flex; align-items: center; gap: 8px; }
.modal-actions > span { flex: 1; }
.detail-modal { display: none; }
.detail-modal[open] { display: block; }
.detail-title-row { display: flex; align-items: start; gap: 14px; margin: 24px 0; }
.detail-color { width: 14px; height: 14px; flex: 0 0 14px; margin-top: 7px; border-radius: 4px; background: var(--event-color); }
.detail-list { display: grid; gap: 3px; margin: 0 0 25px 28px; }
.detail-list > div { display: grid; grid-template-columns: 74px minmax(0,1fr); padding: 12px 0; border-bottom: 1px solid #eceef3; }
.detail-list dt { color: #777b88; font-size: 12px; }
.detail-list dd { margin: 0; font-size: 14px; }
.detail-notes { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.65; }
.calendar-manage-list { max-height: 45vh; display: grid; gap: 8px; margin: 22px 0; overflow-y: auto; }
.calendar-manage-row { display: grid; grid-template-columns: 34px minmax(0,1fr) auto auto; align-items: center; gap: 8px; padding: 9px; border: 1px solid var(--line); border-radius: 11px; }
.calendar-manage-color { width: 24px; height: 24px; justify-self: center; border-radius: 50%; background: var(--calendar-color); }
.calendar-manage-row input[type=text] { min-height: 36px; }
.calendar-manage-row button { min-height: 34px; padding: 0 8px; border: 0; border-radius: 7px; background: #f1f2f7; cursor: pointer; font-size: 11px; font-weight: 700; }
.calendar-manage-row button.danger { color: var(--danger); }
.calendar-create-form { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px 8px; padding-top: 17px; border-top: 1px solid var(--line); }
.calendar-create-color { grid-column: 1 / -1; display: grid; gap: 8px; color: var(--ink-soft); font-size: 11px; }
.calendar-modal .form-error { margin-top: 12px; }
.month-jump-modal { width: min(410px, calc(100vw - 32px)); }
.month-jump-modal > form { display: grid; gap: 20px; }
.month-jump-modal input[type="month"] { font-size: 16px; }
.month-jump-hint { margin: -8px 0 0; color: var(--ink-soft); font-size: 11px; }
.day-events-modal { position: fixed; inset: auto; width: min(360px, calc(100vw - 24px)); max-height: min(520px, calc(100vh - 24px)); margin: 0; overflow: hidden; border-radius: 17px; }
.day-events-panel { display: flex; flex-direction: column; min-height: 0; max-height: min(518px, calc(100vh - 26px)); padding: 20px; }
.day-events-heading { flex: 0 0 auto; align-items: center; }
.day-events-heading h2 { margin-top: 2px; font-size: 22px; }
.day-events-list { min-height: 0; flex: 1 1 auto; display: grid; align-content: start; gap: 3px; margin: 15px -6px 12px; padding: 0 6px; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; scrollbar-width: thin; touch-action: pan-y; -webkit-overflow-scrolling: touch; }
.day-agenda-item { width: 100%; min-width: 0; display: grid; grid-template-columns: 8px minmax(0,1fr) auto; align-items: center; gap: 10px; padding: 9px 8px; border: 0; border-radius: 10px; color: var(--ink); background: transparent; cursor: pointer; text-align: left; }
.day-agenda-item:hover { background: var(--surface-hover); }
.day-agenda-color { width: 8px; height: 28px; border-radius: 4px; background: var(--event-color); }
.day-agenda-copy { min-width: 0; display: grid; gap: 3px; }
.day-agenda-copy strong { overflow: hidden; font-size: 13px; white-space: nowrap; text-overflow: ellipsis; }
.day-agenda-copy small { overflow: hidden; color: var(--ink-soft); font-size: 10px; white-space: nowrap; text-overflow: ellipsis; }
.day-agenda-arrow { color: var(--ink-soft); font-size: 20px; }
.day-add-event { flex: 0 0 auto; min-height: 39px; padding: 0 10px; border: 1px dashed var(--line); border-radius: 10px; color: var(--indigo); background: transparent; cursor: pointer; font-size: 12px; font-weight: 750; }
.day-add-event:hover { border-color: var(--indigo); background: var(--indigo-pale); }
.toast { position: fixed; z-index: 100; left: 50%; bottom: 26px; transform: translateX(-50%); padding: 11px 17px; border-radius: 999px; color: #fff; background: #202126; box-shadow: 0 10px 28px rgba(8,9,13,.3); font-size: 12px; font-weight: 700; }
.mobile-only, .sidebar-backdrop, .mobile-fab { display: none; }

[data-theme="dark"] {
  --ink: #f1f2f7;
  --ink-soft: #a8abb6;
  --indigo: #aeb7f4;
  --indigo-bright: #6f7bd1;
  --indigo-pale: #2b2e40;
  --canvas: #18191d;
  --paper: #202126;
  --surface: #202126;
  --surface-soft: #1b1c20;
  --surface-outside: #1c1d21;
  --surface-hover: #27282d;
  --field: #292a30;
  --line: #383a43;
  --danger: #ff9ca5;
}
[data-theme="dark"] body,
[data-theme="dark"] .app-shell { background: var(--canvas); }
[data-theme="dark"] .topbar { border-color: #343640; background: rgba(31,32,37,.96); }
[data-theme="dark"] .weekday-row span,
[data-theme="dark"] .result-date span,
[data-theme="dark"] .result-calendar,
[data-theme="dark"] .search-summary,
[data-theme="dark"] .empty-state,
[data-theme="dark"] .detail-list dt { color: #9da1ad; }
[data-theme="dark"] .outline-button { border-color: #4a4d59; color: #f1f2f7; background: #26272c; }
[data-theme="dark"] .outline-button:hover { border-color: #6c7184; background: #303138; }
[data-theme="dark"] .icon-button:hover { color: #c8ceff; background: #2b2e40; }
[data-theme="dark"] .login-page { background: radial-gradient(circle at 19% 18%, rgba(240,170,60,.1), transparent 22rem), radial-gradient(circle at 54% 5%, rgba(91,105,190,.14), transparent 28rem), linear-gradient(112deg, #101116 0%, #171928 57%, #202126 57.1%, #18191d 100%); }
[data-theme="dark"] .login-card { border-color: #383a43; background: rgba(32,33,38,.98); box-shadow: 0 30px 80px rgba(0,0,0,.38); }
[data-theme="dark"] .login-card label,
[data-theme="dark"] .modal label,
[data-theme="dark"] .modal .form-field { color: #d7d9e1; }
[data-theme="dark"] .login-card input,
[data-theme="dark"] .modal input,
[data-theme="dark"] .modal select,
[data-theme="dark"] .modal textarea { border-color: #454852; color: #f1f2f7; background: #292a30; }
[data-theme="dark"] .calendar-select-button { border-color: #454852; background: #292a30; }
[data-theme="dark"] .calendar-select-button:hover { border-color: #5d606c; background: #303138; }
[data-theme="dark"] .search-header { background: rgba(28,29,33,.96); }
[data-theme="dark"] .search-field input { color: #f1f2f7; }
[data-theme="dark"] .day-cell.outside .day-number { color: #656976; }
[data-theme="dark"] .more-events { color: #b4b7c1; }
[data-theme="dark"] .detail-list > div { border-color: #383a43; }
[data-theme="dark"] .calendar-manage-row { border-color: #41434d; }
[data-theme="dark"] .calendar-manage-row button { color: #dfe1e8; background: #303138; }
[data-theme="dark"] .calendar-manage-row button.danger { color: #ff9ca5; }
[data-theme="dark"] .calendar-create-form { border-color: #3b3d46; }
[data-theme="dark"] .text-button:hover { color: #ccd2ff; background: #2b2e40; }
[data-theme="dark"] .danger-button:hover,
[data-theme="dark"] .form-error { background: #3a252b; }
[data-theme="dark"] .modal::backdrop { background: rgba(0,0,0,.58); }

@media (max-width: 900px) {
  .topbar { height: 62px; flex-basis: 62px; padding: 0 10px; }
  .mobile-only { display: inline-grid; }
  .mobile-account-button { display: block; }
  .month-title-button #monthTitle { font-size: 17px; }
  .outline-button { min-height: 35px; padding: 0 12px; font-size: 12px; }
  .month-navigation .icon-button { width: 32px; height: 34px; }
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 40; width: min(84vw,330px); flex-basis: auto; padding: 18px 13px 10px; visibility: hidden; transform: translateX(-105%); pointer-events: none; transition: transform .22s ease, visibility 0s linear .22s; box-shadow: none; }
  .sidebar.open { visibility: visible; transform: translateX(0); pointer-events: auto; transition-delay: 0s; box-shadow: 18px 0 46px rgba(15,17,32,.28); }
  .sidebar-resizer { display: none; }
  .sidebar-backdrop { position: fixed; inset: 0; z-index: 35; display: block; width: 100%; border: 0; background: rgba(15,17,32,.44); backdrop-filter: blur(2px); }
  .sidebar .mini-calendar-section { display: none; }
  .sidebar .calendar-list-section { min-height: 0; margin-top: 8px; }
  .sidebar-scroll-content { min-height: auto; }
  .calendar-row-more { opacity: .78; }
  .sidebar-note { padding-bottom: 8px; }
  .mobile-fab { position: fixed; right: max(18px, env(safe-area-inset-right)); bottom: max(20px, calc(env(safe-area-inset-bottom) + 12px)); z-index: 18; width: 58px; height: 58px; display: grid; place-items: center; padding: 0 0 4px; border: 0; border-radius: 18px; color: #fff; background: linear-gradient(145deg, #48569d, #26326e); box-shadow: 0 12px 28px rgba(15,17,32,.32); cursor: pointer; font-size: 37px; font-weight: 300; line-height: 1; }
  .mobile-fab:hover { transform: translateY(-2px); }
  .calendar-view { border-radius: 0; grid-template-rows: 30px minmax(0,1fr); }
  .weekday-row span { font-size: 10px; }
  .weekday-row i { display: none; }
  .weekday-row b { display: block; }
  .day-cell { padding: 4px 2px 2px; }
  .day-number-row { min-height: 23px; }
  .day-number { min-width: 24px; height: 24px; font-size: 11px; }
  .event-chip { padding: 0 3px; border-radius: 4px; font-size: 9px; }
  .more-events { padding-left: 3px; font-size: 9px; }
  .search-header { padding: 12px; }
  .search-summary, .search-results, .search-pagination { padding-left: 12px; padding-right: 12px; }
  .search-result { min-height: 48px; grid-template-columns: 52px 8px minmax(0,1fr); gap: 8px; padding: 7px 6px; }
  .result-calendar { display: none; }
}

@media (max-width: 560px) {
  .login-card { padding: 29px 24px; }
  .topbar-left { gap: 2px; }
  .topbar-actions { gap: 2px; }
  .topbar-actions .icon-button, .avatar-button { width: 34px; height: 34px; }
  .month-navigation { display: none; }
  .month-title-button { max-width: 124px; }
  .month-title-button #monthTitle { max-width: 104px; overflow: hidden; text-overflow: ellipsis; }
  .calendar-view { grid-template-rows: 28px minmax(0,1fr); }
  .month-grid { --cell-header-space: 29px; --event-chip-height: 16px; --event-row-gap: 1px; --more-events-height: 16px; }
  .event-chip { padding: 0 2px; border-radius: 3px; font-size: 8px; }
  .more-events { padding-left: 2px; border-radius: 3px; font-size: 8px; }
  .field-grid { grid-template-columns: 1fr; }
  .modal > form, .detail-modal, .calendar-modal { padding: 22px 18px; }
  .calendar-create-form { grid-template-columns: minmax(0,1fr) 48px; }
  .calendar-create-form button { grid-column: 1 / -1; }
  .calendar-manage-row { grid-template-columns: 32px minmax(0,1fr) auto; }
  .calendar-manage-row button:last-child { grid-column: 2 / -1; }
  .day-events-panel { padding: 18px 16px max(16px, env(safe-area-inset-bottom)); }
}

@media (max-width: 350px) {
  .month-title-button { max-width: 96px; }
  .month-title-button #monthTitle { max-width: 77px; }
}

@media (max-height: 680px) and (max-width: 900px) {
  .sidebar-note { display: none; }
  .filter-row { min-height: 33px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}