*{margin:0;padding:0;box-sizing:border-box}body{font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;overflow:hidden;height:100vh}#root{height:100vh}.app{display:flex;flex-direction:column;height:100vh;background:#1a1a2e;color:#fff;transition:background .3s,color .3s}.body{display:flex;flex:1;overflow:hidden}.app.light{background:#f5f5f7;color:#222}.app.light .sidebar{background:#e8e8ec}.app.light .sidebar-btn{color:#666}.app.light .sidebar-btn:hover{background:#0000000f}.app.light .sidebar-btn.active{color:#fff}.app.light .content-ctrl-btn{border-color:#00000026;color:#999}.app.light .content-ctrl-btn:hover{background:#0000000f;color:#333}.app.light .big-time{text-shadow:none}.app.light .timer-title{color:#555}.app.light .timer-display{color:var(--accent-color, #3b82f6);text-shadow:none}.app.light .clock-date,.app.light .clock-ampm{color:#666}.app.light .action-btn.secondary{background:#00000014;color:#555}.app.light .action-btn.secondary:hover{background:#0000001f}.app.light .lap-item{background:#0000000a;color:#666}.app.light .alarm-item{background:#0000000a}.app.light .alarm-toggle{background:#ccc}.app.light .alarm-time-input{border-color:#00000026;background:#0000000a;color:#222}.app.light .alarm-delete-btn{color:#aaa}.app.light .timer-modal{background:#fff;box-shadow:0 20px 60px #00000026}.app.light .timer-modal-title{color:#333}.app.light .timer-modal-input{border-color:#00000026;background:#0000000a;color:#222}.app.light .settings-panel{background:#fff}.app.light .settings-close{color:#999}.app.light .settings-close:hover{color:#333}.app.light .settings-row{border-bottom-color:#0000000f}.app.light .toggle{background:#ccc}.app.light .color-swatch.selected{border-color:#333}.app.light .alarm-notification{background:#fff;color:#222}.sidebar{width:90px;min-width:90px;background:#2d2d3f;display:flex;flex-direction:column;z-index:10}.sidebar-nav{display:flex;flex-direction:column;gap:0;padding:0}.sidebar-btn{width:100%;height:72px;border:none;border-radius:0;background:transparent;color:#999;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;transition:all .2s}.sidebar-btn:hover{background:#ffffff14}.sidebar-btn.active{background:var(--accent-color, #3b82f6);color:#fff}.sidebar-btn .icon{font-size:24px;flex-shrink:0;line-height:1}.sidebar-label{font-weight:700;white-space:nowrap;font-size:12px;letter-spacing:.5px}.header{height:64px;background:var(--accent-color, #3b82f6);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}.header-brand{display:flex;align-items:baseline;gap:12px}.header-brand .brand-main{font-size:22px;font-weight:800;color:#fff;letter-spacing:.5px}.header-brand .brand-sub{font-size:13px;font-weight:600;color:#ffffffbf;letter-spacing:1.5px}.main{flex:1;display:flex;flex-direction:column;overflow:hidden}.header-actions{display:flex;gap:8px}.header-btn{width:36px;height:36px;border:none;border-radius:8px;background:#fff3;color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.header-btn:hover{background:#ffffff59}.header-btn.active-bw{background:#ffffff80}.header-divider{width:1px;height:20px;background:#ffffff40;margin:0 4px}.content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;position:relative}.content-controls{position:absolute;top:12px;right:16px;display:flex;gap:6px;z-index:5}.content-ctrl-btn{width:32px;height:32px;border:1px solid rgba(255,255,255,.15);border-radius:50%;background:transparent;color:#888;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.content-ctrl-btn:hover{background:#ffffff1a;color:#fff}.content-ctrl-btn.active-bw{background:#ffffff26;color:#fff}.app-fullscreen{width:100vw;height:100vh;background:#1a1a2e;color:#fff;display:flex;align-items:center;justify-content:center;position:relative}.app-fullscreen.light{background:#f5f5f7;color:#222}.app-fullscreen.light .fs-ctrl-btn{border-color:#00000026;color:#999}.app-fullscreen.light .fs-ctrl-btn:hover{background:#0000000f;color:#333}.app-fullscreen.light .fs-label,.app-fullscreen.light .fs-ampm{color:#666}.app-fullscreen.light .fs-time{background:linear-gradient(180deg,#333,#666);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.app-fullscreen.light .fs-date{color:#666}.fullscreen-brand{position:absolute;top:20px;left:24px;display:flex;align-items:baseline;gap:10px}.fs-brand-main{font-size:20px;font-weight:800;color:#ffffffb3;letter-spacing:.5px}.fs-brand-sub{font-size:13px;font-weight:600;color:#ffffff73;letter-spacing:1.5px}.app-fullscreen.light .fs-brand-main{color:#00000080}.app-fullscreen.light .fs-brand-sub{color:#00000059}.fullscreen-controls{position:absolute;top:20px;right:24px;display:flex;gap:8px}.fs-ctrl-btn{width:32px;height:32px;border:1px solid rgba(255,255,255,.15);border-radius:50%;background:transparent;color:#888;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.fs-ctrl-btn:hover{background:#ffffff1a;color:#fff}.fullscreen-content{display:flex;flex-direction:column;align-items:center;justify-content:center}.fs-label{font-size:20px;color:#888;margin-bottom:24px;letter-spacing:4px}.fs-time-row{display:flex;align-items:baseline;gap:16px}.fs-ampm{font-size:32px;color:#888;font-weight:400}.fs-time{font-weight:700;line-height:1;color:#e0e0e0;background:linear-gradient(180deg,#e8e8e8,silver);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.fs-date{font-size:20px;color:#888;margin-top:24px;letter-spacing:2px}.big-time{font-size:96px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:2px;color:var(--accent-color, #3b82f6);text-shadow:0 0 30px rgba(59,130,246,.3);margin-bottom:40px;-webkit-user-select:none;user-select:none;transition:font-family .2s,letter-spacing .2s}.big-time.digital{font-family:Courier New,Consolas,monospace;letter-spacing:6px}.big-time.normal{font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;letter-spacing:2px}.btn-row{display:flex;gap:16px;margin-top:10px}.action-btn{padding:12px 32px;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.action-btn.primary{background:var(--accent-color, #3b82f6);color:#fff}.action-btn.primary:hover{opacity:.85}.action-btn.secondary{background:#ffffff1a;color:#ccc}.action-btn.secondary:hover{background:#ffffff2e}.action-btn.danger{background:#ef4444;color:#fff}.action-btn.danger:hover{opacity:.85}.timer-page{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;gap:0}.timer-title{font-size:28px;font-weight:700;color:var(--accent-color, #3b82f6);opacity:.7;letter-spacing:4px;margin-bottom:20px}.timer-display{font-size:clamp(80px,18vw,160px);font-weight:700;color:var(--accent-color, #3b82f6);line-height:1;margin-bottom:32px;-webkit-user-select:none;user-select:none;text-shadow:0 0 30px rgba(59,130,246,.2);transition:font-family .2s,letter-spacing .2s,color .3s}.timer-display.digital{font-family:Courier New,Consolas,monospace;letter-spacing:6px}.timer-display.normal{font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;letter-spacing:2px}.timer-display.blink-warning{animation:timerBlink .8s ease-in-out infinite}@keyframes timerBlink{0%,to{opacity:1}50%{opacity:.2}}.timer-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:150}.timer-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#2d2d3f;border-radius:20px;padding:36px 44px;z-index:151;display:flex;flex-direction:column;align-items:center;gap:28px;min-width:340px;box-shadow:0 20px 60px #00000080}.timer-modal-title{font-size:22px;font-weight:600;color:#ddd}.timer-modal-inputs{display:flex;align-items:center;gap:12px}.timer-modal-field{display:flex;flex-direction:column;align-items:center;gap:6px}.timer-modal-input{width:90px;padding:12px;border:2px solid rgba(255,255,255,.15);border-radius:12px;background:#ffffff0f;color:#fff;font-size:32px;text-align:center;outline:none;font-family:Courier New,monospace}.timer-modal-input:focus{border-color:#3b82f6}.timer-modal-label{font-size:14px;color:#888}.timer-modal-colon{font-size:36px;color:#666;margin-bottom:20px}.timer-modal-actions{display:flex;gap:16px}.alarm-list{width:100%;max-width:400px}.alarm-item{display:flex;align-items:center;justify-content:space-between;padding:16px;background:#ffffff0d;border-radius:12px;margin-bottom:10px}.alarm-time-display{font-size:32px;font-weight:600;color:var(--accent-color, #3b82f6)}.alarm-toggle{position:relative;width:50px;height:28px;background:#444;border-radius:14px;cursor:pointer;border:none;transition:background .3s}.alarm-toggle.on{background:var(--accent-color, #3b82f6)}.alarm-toggle:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;background:#fff;border-radius:50%;transition:transform .3s}.alarm-toggle.on:after{transform:translate(22px)}.alarm-add-row{display:flex;gap:10px;align-items:center;margin-bottom:20px}.alarm-time-input{padding:10px 14px;border:2px solid rgba(255,255,255,.15);border-radius:8px;background:#ffffff0d;color:#fff;font-size:20px;outline:none}.alarm-time-input:focus{border-color:var(--accent-color, #3b82f6)}.alarm-delete-btn{background:none;border:none;color:#888;font-size:18px;cursor:pointer;margin-left:10px}.alarm-delete-btn:hover{color:#ef4444}.lap-list{width:100%;max-width:400px;max-height:200px;overflow-y:auto;margin-top:20px}.lap-item{display:flex;justify-content:space-between;padding:8px 16px;background:#ffffff08;border-radius:8px;margin-bottom:4px;font-size:14px;color:#aaa}.clock-label{font-size:20px;color:var(--accent-color, #3b82f6);opacity:.6;letter-spacing:4px;margin-bottom:10px;font-weight:600}.clock-time-row{display:flex;align-items:baseline;gap:16px}.clock-date{font-size:20px;color:var(--accent-color, #3b82f6);opacity:.7;margin-top:14px}.clock-ampm{font-size:28px;color:var(--accent-color, #3b82f6);opacity:.7}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:99}.settings-panel{position:fixed;top:0;right:0;width:320px;height:100vh;background:#2d2d3f;z-index:100;padding:24px;transform:translate(100%);transition:transform .3s ease;overflow-y:auto}.settings-panel.open{transform:translate(0)}.settings-title{font-size:20px;font-weight:600;margin-bottom:24px}.settings-section{margin-bottom:20px}.settings-label{font-size:14px;color:#aaa;margin-bottom:8px}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}.settings-row-label{font-size:15px}.toggle{position:relative;width:44px;height:24px;background:#444;border-radius:12px;cursor:pointer;border:none;transition:background .3s}.toggle.on{background:var(--accent-color, #3b82f6)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .3s}.toggle.on:after{transform:translate(20px)}.color-options{display:flex;gap:10px;margin-top:8px}.color-swatch{width:36px;height:36px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:border-color .2s,transform .2s}.color-swatch:hover{transform:scale(1.1)}.color-swatch.selected{border-color:#fff}.settings-close{position:absolute;top:20px;right:20px;background:none;border:none;color:#aaa;font-size:24px;cursor:pointer}.settings-close:hover{color:#fff}.alarm-notification{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#2d2d3f;border:2px solid var(--accent-color, #3b82f6);border-radius:20px;padding:40px;text-align:center;z-index:200;animation:pulse 1s infinite}@keyframes pulse{0%,to{box-shadow:0 0 20px #3b82f64d}50%{box-shadow:0 0 40px #3b82f699}}.alarm-notification h2{font-size:28px;margin-bottom:10px}.alarm-notification p{font-size:48px;font-weight:700;color:var(--accent-color, #3b82f6);margin-bottom:20px}.alarm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:199}.lock-screen{width:100vw;height:100vh;background:#1a1a2e;display:flex;align-items:center;justify-content:center}.lock-box{display:flex;flex-direction:column;align-items:center;gap:24px}.lock-brand{font-size:32px;font-weight:800;color:#fff;letter-spacing:1px}.lock-sub{font-size:14px;color:#888;letter-spacing:1px}.lock-input{position:absolute;width:1px;height:1px;opacity:0}.lock-dots{display:flex;gap:16px;margin:8px 0}.lock-dots.shake{animation:lockShake .4s ease-in-out}@keyframes lockShake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}50%{transform:translate(10px)}75%{transform:translate(-6px)}}.lock-dot{width:16px;height:16px;border-radius:50%;border:2px solid #555;transition:all .15s}.lock-dot.filled{background:#3b82f6;border-color:#3b82f6}.lock-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8px}.lock-key{width:64px;height:64px;border:none;border-radius:50%;background:#ffffff14;color:#fff;font-size:24px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.lock-key:hover{background:#ffffff26}.lock-key:active{background:#ffffff40}.lock-error{color:#ef4444;font-size:14px;font-weight:600}