.clock-page{background-color:var(--bg-primary);min-height:100vh;color:var(--text-primary);font-family:var(--font-family);transition:background-color var(--transition-normal), color var(--transition-normal);flex-direction:column;justify-content:space-between;align-items:center;padding:30px 24px;display:flex}.clock-header{justify-content:space-between;align-items:center;width:100%;max-width:900px;margin-bottom:24px;display:flex}.back-btn{color:var(--text-secondary);transition:color var(--transition-fast);align-items:center;gap:8px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.back-btn:hover{color:var(--primary)}.clock-title{letter-spacing:-.025em;align-items:center;gap:8px;font-size:1.5rem;font-weight:800;display:flex}.mode-switcher{background-color:var(--border-color);border-radius:var(--border-radius-full);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);z-index:10;gap:4px;margin-bottom:32px;padding:4px;display:flex;position:relative}.tab-indicator{background-color:var(--bg-secondary);border-radius:var(--border-radius-full);box-shadow:var(--shadow-md);z-index:1;transition:left .38s cubic-bezier(.34,1.56,.64,1),width .38s cubic-bezier(.34,1.56,.64,1);position:absolute;top:4px;bottom:4px}.mode-btn{color:var(--text-secondary);border-radius:var(--border-radius-full);cursor:pointer;transition:color var(--transition-normal);z-index:2;background:0 0;border:none;outline:none;padding:10px 24px;font-size:.95rem;font-weight:600;position:relative}.mode-btn:hover,.mode-btn.active{color:var(--text-primary)}.dot-indicator{vertical-align:middle;background-color:#ef4444;border-radius:50%;width:6px;height:6px;margin-left:6px;display:inline-block}.clock-info-bar{flex-direction:column;align-items:center;gap:16px;width:100%;margin-bottom:32px;display:flex}.clock-info-text{color:var(--text-muted);text-align:center;min-height:24px;font-size:.95rem;font-weight:600}.format-switcher{background-color:var(--border-color);border-radius:var(--border-radius-full);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);gap:2px;width:fit-content;padding:3px;display:flex}.format-btn{color:var(--text-secondary);border-radius:var(--border-radius-full);cursor:pointer;transition:all var(--transition-normal);background:0 0;border:none;outline:none;padding:6px 16px;font-size:.8rem;font-weight:700}.format-btn:hover{color:var(--text-primary)}.format-btn.active{background-color:var(--bg-secondary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.clock-display{flex-wrap:wrap;justify-content:center;align-items:center;gap:40px;margin-bottom:48px;display:flex}.card-group{flex-direction:column;align-items:center;gap:16px;display:flex}.card-group-row{gap:0;display:flex;position:relative}.flip-card-container{flex-direction:column;align-items:center;display:flex}.flip-card{perspective:1500px;width:95px;height:200px;transform-style:preserve-3d;border-radius:20px;position:relative;box-shadow:0 12px 36px #00000014}.dark-theme .flip-card{box-shadow:0 12px 36px #00000073}@media (prefers-color-scheme:dark){:root:not(.light-theme) .flip-card{box-shadow:0 12px 36px #00000073}}.flip-card:before,.flip-card:after{content:"";background-color:var(--bg-primary);z-index:15;width:6px;height:12px;transition:background-color var(--transition-normal);position:absolute;top:calc(50% - 6px)}.flip-card:before{border-top-right-radius:6px;border-bottom-right-radius:6px;left:-1px}.flip-card:after{border-top-left-radius:6px;border-bottom-left-radius:6px;right:-1px}.card-half{backface-visibility:hidden;background-color:var(--bg-secondary);border:1px solid var(--border-color);width:100%;height:50%;transition:background-color var(--transition-normal), border-color var(--transition-normal);position:absolute;left:0;overflow:hidden}.dark-theme .card-half{background-color:#11141d}@media (prefers-color-scheme:dark){:root:not(.light-theme) .card-half{background-color:#11141d}}.card-top{border-bottom:none;border-top-left-radius:20px;border-top-right-radius:20px;top:0}.card-bottom{border-top:none;border-bottom-right-radius:20px;border-bottom-left-radius:20px;bottom:0}.digit-wrapper{width:100%;height:200px;color:var(--text-primary);transition:color var(--transition-normal);justify-content:center;align-items:center;display:flex;position:absolute;left:0}.card-top .digit-wrapper{top:0}.card-bottom .digit-wrapper{bottom:0}.digit-wrapper span{font-family:var(--font-mono);text-align:center;letter-spacing:-.025em;text-shadow:0 2px 4px #0000000d;font-size:110px;font-weight:800;line-height:200px}.dark-theme .digit-wrapper span{text-shadow:0 4px 12px #0009}@media (prefers-color-scheme:dark){:root:not(.light-theme) .digit-wrapper span{text-shadow:0 4px 12px #0009}}.card-group-row .flip-card-container.is-first .digit-wrapper span{transform:translate(15px)}.card-group-row .flip-card-container.is-last .digit-wrapper span{transform:translate(-15px)}.card-divider{background-color:var(--bg-primary);z-index:10;opacity:.95;width:100%;height:2px;transition:background-color var(--transition-normal);position:absolute;top:calc(50% - 1px);left:0}.card-half:after{content:"";z-index:2;width:100%;height:100%;transition:opacity var(--transition-normal);pointer-events:none;position:absolute;top:0;left:0}.card-top:after{opacity:1;background:linear-gradient(#0000 40%,#00000014 100%)}.card-bottom:after{opacity:.1;background:linear-gradient(#00000026 0%,#0000 60%)}.dark-theme .card-top:after{background:linear-gradient(#0000 30%,#00000059 100%)}@media (prefers-color-scheme:dark){:root:not(.light-theme) .card-top:after{background:linear-gradient(#0000 30%,#00000059 100%)}}.dark-theme .card-bottom:after{background:linear-gradient(#0006 0%,#0000 70%)}@media (prefers-color-scheme:dark){:root:not(.light-theme) .card-bottom:after{background:linear-gradient(#0006 0%,#0000 70%)}}.ampm-badge{color:var(--text-muted);z-index:12;text-transform:uppercase;pointer-events:none;font-size:1.1rem;font-weight:700;line-height:1;position:absolute;bottom:16px;left:12px}.card-group-row .flip-card-container.is-first .card-top{border-right:none;border-top-right-radius:0}.card-group-row .flip-card-container.is-first .card-bottom{border-right:none;border-bottom-right-radius:0}.card-group-row .flip-card-container.is-first .flip-card:after{display:none}.card-group-row .flip-card-container.is-last .card-top{border-left:none;border-top-left-radius:0}.card-group-row .flip-card-container.is-last .card-bottom{border-left:none;border-bottom-left-radius:0}.card-group-row .flip-card-container.is-last .flip-card:before{display:none}.flip-panel{z-index:5}.card-bottom.flip-panel{z-index:4}.flip-card.flipping .card-top.flip-panel{transform-origin:bottom;animation:.4s cubic-bezier(.4,0,.2,1) forwards flip-top}.flip-card.flipping .card-bottom.flip-panel{transform-origin:top;animation:.4s cubic-bezier(.4,0,.2,1) forwards flip-bottom}@keyframes flip-top{0%{transform:rotateX(0)}to{transform:rotateX(-180deg)}}@keyframes flip-bottom{0%{transform:rotateX(180deg)}75%{transform:rotateX(-5deg)}to{transform:rotateX(0)}}.flip-card-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-size:.85rem;font-weight:700}.clock-controls{flex-direction:column;align-items:center;gap:32px;width:100%;max-width:500px;display:flex}.settings-group{background-color:var(--bg-secondary);border-radius:var(--border-radius-md);border:1px solid var(--border-color);width:100%;box-shadow:var(--shadow-sm);transition:all var(--transition-normal);justify-content:center;align-items:center;gap:16px;padding:16px 24px;display:flex}.input-container{flex-direction:column;align-items:center;gap:6px;display:flex}.input-container label{color:var(--text-muted);text-transform:uppercase;font-size:.75rem;font-weight:700}.time-input{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);width:70px;height:48px;color:var(--text-primary);text-align:center;transition:border-color var(--transition-fast);font-size:1.25rem;font-weight:700}.time-input:focus{border-color:var(--primary);outline:none}.action-btn-group{justify-content:center;gap:16px;width:100%;display:flex}.outline-btn{border:2px solid var(--text-primary);color:var(--text-primary);border-radius:var(--border-radius-full);cursor:pointer;transition:all var(--transition-normal);text-transform:uppercase;background:0 0;justify-content:center;align-items:center;gap:8px;min-width:140px;padding:12px 36px;font-size:1rem;font-weight:700;display:flex}.outline-btn:hover{background-color:var(--text-primary);color:var(--bg-primary)}.outline-btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width:768px){.clock-display{gap:24px}.flip-card{border-radius:12px;width:65px;height:140px}.card-half{border-radius:12px}.card-top{border-top-left-radius:12px;border-top-right-radius:12px}.card-bottom{border-bottom-right-radius:12px;border-bottom-left-radius:12px}.digit-wrapper{height:140px}.card-bottom .digit-wrapper{bottom:0}.digit-wrapper span{font-size:80px;line-height:140px}.ampm-badge{font-size:.8rem;bottom:10px;left:8px}.card-group-row .flip-card-container.is-first .digit-wrapper span{transform:translate(8px)}.card-group-row .flip-card-container.is-last .digit-wrapper span{transform:translate(-8px)}}@media (max-width:480px){.clock-display{gap:12px}.flip-card{border-radius:8px;width:45px;height:100px}.card-half{border-radius:8px}.card-top{border-top-left-radius:8px;border-top-right-radius:8px}.card-bottom{border-bottom-right-radius:8px;border-bottom-left-radius:8px}.digit-wrapper{height:100px}.digit-wrapper span{font-size:55px;line-height:100px}.time-input{width:60px;height:40px;font-size:1.1rem}.ampm-badge{font-size:.65rem;bottom:6px;left:6px}.card-group-row .flip-card-container.is-first .digit-wrapper span{transform:translate(6px)}.card-group-row .flip-card-container.is-last .digit-wrapper span{transform:translate(-6px)}}