:root,[data-theme=light]{--bg: #ffffff;--bg-soft: #f6f8fc;--surface: #ffffff;--border: #dadce0;--text: #202124;--text-muted: #70757a;--accent: #1a73e8;--accent-hover: #1557b0;--accent-text: #ffffff;--today-ring: #1a73e8;--today-bg: #e8f0fe;--hover-bg: rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(60,64,67,.12), 0 1px 2px rgba(60,64,67,.08);--shadow-md: 0 4px 8px rgba(60,64,67,.2);--shadow-lg: 0 8px 28px rgba(60,64,67,.28);--weekend: #70757a}[data-theme=dark]{--bg: #1f1f1f;--bg-soft: #2d2d2d;--surface: #2d2d2d;--border: #3c3c3c;--text: #e8eaed;--text-muted: #9aa0a6;--accent: #8ab4f8;--accent-hover: #aecbfa;--accent-text: #1f1f1f;--today-ring: #8ab4f8;--today-bg: #1e3a5f;--hover-bg: rgba(255, 255, 255, .08);--shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 4px 8px rgba(0,0,0,.5);--shadow-lg: 0 8px 28px rgba(0,0,0,.7);--weekend: #9aa0a6}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Google Sans,Roboto,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}input,select,textarea{font:inherit;color:inherit}a{color:inherit;text-decoration:none}#root{height:100%}.login-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-soft)}.login-card{background:var(--surface);border-radius:28px;padding:48px 40px 40px;width:400px;box-shadow:var(--shadow-md)}.login-logo{font-size:26px;font-weight:400;margin-bottom:6px}.login-logo span{color:var(--accent)}.login-tagline{font-size:13px;color:var(--text-muted);margin-bottom:32px}.login-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:6px}.login-input{width:100%;border:1px solid var(--border);border-radius:4px;padding:12px 14px;font-size:14px;background:var(--bg);margin-bottom:20px;outline:none;transition:border-color .15s,box-shadow .15s}.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1a73e826}.login-ttl-row{display:flex;align-items:center;gap:12px;margin-bottom:28px}.login-ttl-label{font-size:13px;color:var(--text-muted);white-space:nowrap}.login-select{flex:1;border:1px solid var(--border);border-radius:4px;padding:9px 12px;font-size:13px;background:var(--bg);outline:none;cursor:pointer}.login-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1a73e826}.login-btn{width:100%;background:var(--accent);color:var(--accent-text);border-radius:4px;padding:14px;font-size:14px;font-weight:500;letter-spacing:.25px;transition:background .15s,box-shadow .15s}.login-btn:hover{background:var(--accent-hover);box-shadow:var(--shadow-sm)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.login-hint{font-size:11px;color:var(--text-muted);margin-top:16px;text-align:center;line-height:1.6}.login-error{color:#d93025;font-size:13px;margin-bottom:16px}.calendar-page{display:grid;grid-template-rows:56px 1fr;grid-template-columns:256px 1fr;height:100vh;overflow:hidden}.topbar{grid-column:1 / -1;display:flex;align-items:center;gap:8px;padding:0 16px;border-bottom:1px solid var(--border);background:var(--surface);z-index:10}.topbar-logo{font-size:22px;font-weight:400;margin-right:8px}.topbar-logo span{color:var(--accent)}.topbar-today-btn{padding:8px 16px;border:1px solid var(--border);border-radius:4px;font-size:14px;background:var(--surface);transition:background .15s}.topbar-today-btn:hover{background:var(--hover-bg)}.topbar-nav-btn{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;transition:background .15s}.topbar-nav-btn:hover{background:var(--hover-bg)}.topbar-title{font-size:22px;font-weight:400;flex:1;padding:0 8px}.topbar-view-switcher{display:flex;border:1px solid var(--border);border-radius:4px;overflow:hidden}.topbar-view-btn{padding:6px 16px;font-size:14px;background:var(--surface);border:none;border-left:1px solid var(--border);transition:background .15s}.topbar-view-btn:first-child{border-left:none}.topbar-view-btn.active{background:var(--today-bg);color:var(--accent);font-weight:500}.topbar-view-btn:hover:not(.active){background:var(--hover-bg)}.topbar-icon-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;transition:background .15s}.topbar-icon-btn:hover{background:var(--hover-bg)}.sidebar{overflow-y:auto;border-right:1px solid var(--border);background:var(--bg-soft);padding:16px 12px}.sidebar-add-btn{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:24px;font-size:14px;background:var(--surface);box-shadow:var(--shadow-sm);margin-bottom:20px;transition:box-shadow .15s}.sidebar-add-btn:hover{box-shadow:var(--shadow-md)}.mini-month{margin-bottom:16px}.mini-month-header{display:flex;align-items:center;justify-content:space-between;padding:4px 0;margin-bottom:8px}.mini-month-title{font-size:13px;font-weight:500}.mini-month-nav{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .15s}.mini-month-nav:hover{background:var(--hover-bg)}.mini-month-grid{display:grid;grid-template-columns:repeat(7,1fr);text-align:center}.mini-month-dow{font-size:10px;color:var(--text-muted);font-weight:500;padding:2px 0;text-transform:uppercase}.mini-month-day{font-size:12px;padding:4px 0;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;margin:1px auto;transition:background .1s}.mini-month-day:hover{background:var(--hover-bg)}.mini-month-day.today{background:var(--today-ring);color:#fff;font-weight:500}.mini-month-day.selected{background:var(--today-bg);color:var(--accent);font-weight:500}.mini-month-day.today.selected{background:var(--today-ring);color:#fff}.mini-month-day.other-month{color:var(--text-muted)}.calendar-list-title{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;padding:8px 4px 4px}.calendar-item{display:flex;align-items:center;gap:10px;padding:8px 4px;border-radius:4px;cursor:pointer;transition:background .1s}.calendar-item:hover{background:var(--hover-bg)}.calendar-swatch{width:16px;height:16px;border-radius:4px;flex-shrink:0;border:2px solid transparent;transition:opacity .1s}.calendar-swatch.unchecked{opacity:.3}.calendar-name{font-size:13px;flex:1}.view-container{overflow:auto;background:var(--bg)}.month-view{display:flex;flex-direction:column;height:100%}.month-dow-header{display:grid;grid-template-columns:repeat(7,1fr);border-bottom:1px solid var(--border)}.month-dow-label{text-align:center;padding:8px 0;font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.month-dow-label.weekend{color:var(--weekend)}.month-grid{flex:1;display:grid;grid-template-rows:repeat(6,1fr);grid-template-columns:repeat(7,1fr);border-left:1px solid var(--border);border-top:1px solid var(--border)}.month-cell{border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:4px;min-height:90px;cursor:pointer;transition:background .1s;overflow:hidden}.month-cell:hover{background:var(--hover-bg)}.month-cell.other-month{background:var(--bg-soft)}.month-day-num{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;margin-bottom:2px}.month-day-num.today{background:var(--today-ring);color:#fff;font-weight:500}.month-day-num.weekend{color:var(--weekend)}.month-more{font-size:11px;color:var(--text-muted);padding:2px 4px;cursor:pointer}.event-chip{display:flex;align-items:center;gap:4px;padding:1px 6px;border-radius:4px;font-size:11px;cursor:pointer;margin-bottom:2px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:#fff;transition:opacity .1s}.event-chip:hover{opacity:.85}.event-chip.all-day{border-radius:4px}.event-chip-dot{width:6px;height:6px;border-radius:50%;background:#fff;flex-shrink:0}.event-chip-time{font-size:10px;opacity:.85;flex-shrink:0}.event-chip-title{overflow:hidden;text-overflow:ellipsis}.week-view{display:flex;flex-direction:column;height:100%;min-width:600px}.week-header{display:grid;grid-template-columns:56px repeat(7,1fr);border-bottom:1px solid var(--border);flex-shrink:0}.week-header-gutter{border-right:1px solid var(--border)}.week-header-day{text-align:center;padding:8px 4px;border-right:1px solid var(--border);cursor:pointer}.week-header-day-name{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:500;margin-bottom:4px}.week-header-day-name.weekend{color:var(--weekend)}.week-header-day-num{width:36px;height:36px;border-radius:50%;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:400;transition:background .1s}.week-header-day-num:hover{background:var(--hover-bg)}.week-header-day-num.today{background:var(--today-ring);color:#fff;font-weight:500}.week-all-day-row{display:grid;grid-template-columns:56px repeat(7,1fr);border-bottom:1px solid var(--border);min-height:28px;flex-shrink:0}.week-all-day-gutter{font-size:10px;color:var(--text-muted);text-align:right;padding:4px 6px;border-right:1px solid var(--border)}.week-all-day-col{border-right:1px solid var(--border);padding:2px}.week-scroll{flex:1;overflow-y:auto;position:relative}.week-time-grid{display:grid;grid-template-columns:56px repeat(7,1fr);position:relative;background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 63px,var(--border) 63px,var(--border) 64px)}.week-time-slot-bg{position:relative}.week-hour-row{display:contents}.week-hour-label{font-size:10px;color:var(--text-muted);text-align:right;padding:2px 6px 0;height:64px;display:flex;align-items:flex-start;border-right:1px solid var(--border)}.week-hour-cell{height:64px;border-right:1px solid var(--border);cursor:pointer;transition:background .1s}.week-hour-cell:hover{background:var(--hover-bg)}.week-events-col{position:relative;grid-row:1 / span 24;pointer-events:none}.week-events-col:after{content:"";position:absolute;top:0;right:0;bottom:0;width:1px;background:var(--border);pointer-events:none}.week-event{position:absolute;left:2px;right:2px;border-radius:4px;padding:2px 6px;font-size:11px;cursor:pointer;color:#fff;overflow:hidden;transition:opacity .1s;z-index:1}.week-event:hover{opacity:.85}.week-event-title{font-weight:500}.week-event-time{font-size:10px;opacity:.85}.popover-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100}.popover{position:fixed;z-index:101;background:var(--surface);border-radius:8px;box-shadow:var(--shadow-lg);width:320px;padding:0;overflow:hidden}.popover-header{display:flex;align-items:center;justify-content:flex-end;padding:8px 8px 0;gap:4px}.popover-action-btn{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;transition:background .1s}.popover-action-btn:hover{background:var(--hover-bg)}.popover-body{padding:8px 24px 20px}.popover-color-bar{height:4px;margin:0 -0px 12px;border-radius:0}.popover-title{font-size:20px;font-weight:400;margin-bottom:8px}.popover-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:6px}.popover-icon{font-size:16px;flex-shrink:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200;display:flex;align-items:center;justify-content:center}.modal{background:var(--surface);border-radius:8px;box-shadow:var(--shadow-lg);width:520px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px 0}.modal-title{font-size:18px;font-weight:400}.modal-close{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;transition:background .1s}.modal-close:hover{background:var(--hover-bg)}.modal-body{padding:16px 24px}.modal-field{margin-bottom:16px}.modal-field-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:4px}.modal-input{width:100%;border:1px solid var(--border);border-radius:4px;padding:8px 12px;background:var(--bg);outline:none;transition:border-color .15s,box-shadow .15s}.modal-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #1a73e826}.modal-row{display:flex;gap:12px}.modal-row .modal-field{flex:1}.modal-checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:16px}.modal-select{width:100%;border:1px solid var(--border);border-radius:4px;padding:8px 12px;background:var(--bg);outline:none;cursor:pointer}.modal-select:focus{border-color:var(--accent);box-shadow:0 0 0 2px #1a73e826}.modal-recurrence-section{border:1px solid var(--border);border-radius:4px;padding:12px;margin-bottom:16px}.modal-recurrence-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.modal-byday-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.modal-day-btn{width:36px;height:36px;border-radius:50%;font-size:12px;border:1px solid var(--border);transition:background .1s,color .1s}.modal-day-btn.active{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 24px 16px}.modal-btn{padding:8px 20px;border-radius:4px;font-size:14px;font-weight:500;transition:background .15s,box-shadow .15s}.modal-btn-primary{background:var(--accent);color:var(--accent-text)}.modal-btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-sm)}.modal-btn-secondary{color:var(--accent)}.modal-btn-secondary:hover{background:var(--hover-bg)}.modal-btn-danger{color:#d93025}.modal-btn-danger:hover{background:#d9302514}.modal-scope-section{background:var(--bg-soft);border-radius:4px;padding:12px;margin-bottom:16px}.modal-scope-title{font-size:12px;color:var(--text-muted);margin-bottom:8px}.modal-scope-options{display:flex;flex-direction:column;gap:6px}.modal-scope-option{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}.toast-list{position:fixed;bottom:24px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:300;align-items:center}.toast{background:#323232;color:#fff;border-radius:4px;padding:12px 16px;font-size:14px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:16px;min-width:280px;animation:toast-in .2s ease}.toast-action{color:var(--accent);font-weight:500;flex-shrink:0;background:none;border:none;cursor:pointer;font-size:14px;padding:0}.toast-dismiss{margin-left:auto;opacity:.7;font-size:18px}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}