:root{--font-family-base:"Montserrat", sans-serif;--md-sys-color-surface:#f8fafc;--md-sys-color-surface-container:#fff;--md-sys-color-surface-container-high:#f1f5f9;--md-sys-color-surface-container-highest:#e2e8f0;--md-sys-color-outline:#cbd5e1;--md-sys-color-outline-variant:#e2e8f0;--md-sys-color-primary:#2563eb;--md-sys-color-primary-container:#eff6ff;--md-sys-color-on-primary:#fff;--md-sys-color-on-primary-container:#1e40af;--md-sys-color-amber:#d97706;--md-sys-color-amber-container:#fef3c7;--md-sys-color-on-amber:#78350f;--md-sys-color-emerald:#059669;--md-sys-color-emerald-container:#d1fae5;--md-sys-color-on-emerald:#064e3b;--md-sys-color-on-surface:#0f172a;--md-sys-color-on-surface-variant:#64748b;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-pill:9999px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #0000000f, 0 2px 4px -2px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;margin:0;padding:0}body{background-color:var(--md-sys-color-surface);color:var(--md-sys-color-on-surface);flex-direction:column;height:100vh;font-family:Montserrat,sans-serif;display:flex;overflow:hidden}button,input,select,textarea{font-family:inherit}.material-symbols-outlined{font-family:Material Symbols Outlined!important}.app-header{background-color:var(--md-sys-color-surface-container);border-bottom:1px solid var(--md-sys-color-outline-variant);z-index:100;justify-content:space-between;align-items:center;height:60px;padding:0 24px;display:flex}.header-left,.header-right{align-items:center;gap:16px;display:flex}.brand{color:var(--md-sys-color-on-surface);align-items:center;gap:8px;font-size:1.125rem;font-weight:800;display:flex}.brand-icon{color:var(--md-sys-color-primary);font-size:28px}.security-badge{background-color:var(--md-sys-color-emerald-container);color:var(--md-sys-color-on-emerald);border-radius:var(--radius-pill);align-items:center;gap:6px;padding:4px 12px;font-size:.75rem;font-weight:600;display:flex}.security-badge .badge-icon{font-size:16px}.btn{border-radius:var(--radius-pill);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:.8125rem;font-weight:600;transition:all 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var(--md-sys-color-outline);color:var(--md-sys-color-on-surface);background-color:#0000}.btn-outlined:hover:not(:disabled){background-color:var(--md-sys-color-surface-container-high)}.icon-btn{background-color:var(--md-sys-color-surface-container-high);width:36px;height:36px;color:var(--md-sys-color-on-surface);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:flex}.icon-btn:hover{background-color:var(--md-sys-color-surface-container-highest)}.badge{border-radius:var(--radius-pill);padding:2px 8px;font-size:.6875rem;font-weight:700}.badge-amber{background-color:var(--md-sys-color-amber-container);color:var(--md-sys-color-on-amber)}.badge-blue{background-color:var(--md-sys-color-primary-container);color:var(--md-sys-color-on-primary-container)}.counter-badge{color:var(--md-sys-color-on-surface-variant);background-color:var(--md-sys-color-surface-container-high);border-radius:var(--radius-pill);padding:2px 8px;font-size:.75rem;font-weight:600}.w-full{width:100%}.studio-layout{flex:1;grid-template-columns:320px 1fr 340px;gap:16px;padding:16px;display:grid;overflow:hidden}.panel{flex-direction:column;gap:16px;display:flex;overflow-y:auto}.card{background-color:var(--md-sys-color-surface-container);border:1px solid var(--md-sys-color-outline-variant);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;gap:12px;padding:16px;display:flex}.card-header{justify-content:space-between;align-items:center;display:flex}.card-title{text-transform:uppercase;letter-spacing:.05em;color:var(--md-sys-color-on-surface-variant);font-size:.8125rem;font-weight:700}.card-desc{color:var(--md-sys-color-on-surface-variant);font-size:.75rem;line-height:1.4}.flex-fill{flex:1}.segmented-control{flex-direction:column;gap:6px;display:flex}.segment-btn{background-color:var(--md-sys-color-surface-container-high);border-radius:var(--radius-md);color:var(--md-sys-color-on-surface);cursor:pointer;border:1px solid #0000;align-items:center;gap:10px;padding:10px 12px;font-size:.8125rem;font-weight:600;transition:all 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#0006}#blur-video{object-fit:cover;filter:blur(20px)brightness(.65);pointer-events:none;z-index:1;width:100%;height:100%;position:absolute;inset:0;transform:scale(1.25)}#main-video{object-fit:contain;z-index:2;width:100%;height:100%;display:none;position:absolute;inset:0}.stage-empty-state{text-align:center;color:#94a3b8;pointer-events:none;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;gap:12px;max-width:82%;margin:0 auto;padding:12px 24px;display:flex}.empty-state{text-align:center;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;gap:8px;max-width:82%;padding:12px 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.toast-icon{color:#f87171}.toast.toast-success .toast-icon{color:#34d399}@keyframes toastFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.mobile-bottom-nav{display:none}@media (width<=1024px){body{height:100dvh;overflow:hidden}.app-header{justify-content:space-between;align-items:center;height:48px;padding:0 12px;display:flex}.header-left{align-items:center;gap:8px;display:flex}.brand-title{font-size:.9375rem}.security-badge,#device-limit-text{display:none}#device-limit-badge{margin:0;padding:4px 6px;font-size:.625rem}label[for=video-upload-input].btn{width:36px;min-width:36px;height:36px;box-shadow:var(--shadow-sm);border-radius:50%;justify-content:center;align-items:center;padding:0;display:flex}label[for=video-upload-input].btn span:not(.material-symbols-outlined){display:none}label[for=video-upload-input].btn .material-symbols-outlined{margin:0;font-size:20px}.header-right #btn-export{display:none}.studio-layout{flex-direction:column;gap:6px;height:calc(100dvh - 112px);padding:6px;display:flex;overflow:hidden}.stage-area{z-index:10;flex-direction:column;flex:none;order:1;gap:6px;width:100%;display:flex}.viewport-wrapper{aspect-ratio:16/9;border-radius:var(--radius-lg);width:100%;height:auto;max-height:26vh;box-shadow:var(--shadow-sm);background-color:#000;justify-content:center;align-items:center;margin:0 auto;display:flex;position:relative;overflow:hidden}.video-stage{justify-content:center;align-items:center;width:auto;max-width:100%;height:100%;max-height:100%;display:flex;position:relative}.panel{-webkit-overflow-scrolling:touch;box-sizing:border-box;width:100%;box-shadow:none;background:0 0;border:none;flex:auto;order:2;overflow-y:auto;padding:6px 8px calc(76px + env(safe-area-inset-bottom,0px)) 8px!important}.panel .card{width:100%;margin-bottom:8px}.segments-list{max-height:160px;overflow-y:auto}.preset-group,.preset-grid{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.preset-btn{min-height:40px;padding:8px 4px;font-size:.75rem}.text-layer-card{gap:8px;padding:10px}.layer-options-grid,.trim-inputs-grid,.audio-trim-grid{grid-template-columns:1fr 1fr;gap:8px}.time-input-box{align-items:center;gap:4px;display:flex}.playback-controls{background-color:var(--md-sys-color-surface-container-low,var(--md-sys-color-surface-container));border-radius:var(--radius-md);box-sizing:border-box;justify-content:space-between;align-items:center;gap:6px;height:44px;padding:4px 8px;display:flex}.controls-left{align-items:center;gap:6px;min-width:0;display:flex}.controls-left .icon-btn,.controls-left .btn-icon{width:34px;min-width:34px;height:34px;padding:0}.time-display{white-space:nowrap;color:var(--md-sys-color-on-surface-variant);font-size:.75rem;font-weight:600}#btn-split-crop{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:36px;min-width:36px;height:36px;padding:0;display:flex}#btn-split-crop span:not(.material-symbols-outlined){display:none}#btn-split-crop .material-symbols-outlined{margin:0;font-size:20px}.timeline-container{border-radius:var(--radius-sm);height:24px;margin:0}.tabs-header{display:none}body[data-mob-tab=format] .left-panel,body[data-mob-tab=kadraj] .left-panel,body[data-mob-tab=yazi] .right-panel,body[data-mob-tab=ses] .right-panel{display:flex}body[data-mob-tab=yazi] .left-panel,body[data-mob-tab=ses] .left-panel,body[data-mob-tab=format] .right-panel,body[data-mob-tab=kadraj] .right-panel{display:none}body[data-mob-tab=format] #framing-card,body[data-mob-tab=format] #segments-card,body[data-mob-tab=kadraj] #format-card,body[data-mob-tab=yazi] #tab-audio{display:none!important}body[data-mob-tab=yazi] #tab-text{display:flex!important}body[data-mob-tab=ses] #tab-text{display:none!important}body[data-mob-tab=ses] #tab-audio{display:flex!important}.export-card{box-sizing:border-box;z-index:500;background-color:var(--md-sys-color-surface-container-high);border:1.5px solid var(--md-sys-color-primary);border-radius:var(--radius-lg);max-width:calc(100vw - 24px);padding:12px 14px;position:fixed;bottom:74px;box-shadow:0 8px 24px #00000059;width:auto!important;left:12px!important;right:12px!important}.mobile-bottom-nav{background-color:var(--md-sys-color-surface-container);border-top:1px solid var(--md-sys-color-outline-variant);height:64px;padding-bottom:env(safe-area-inset-bottom,0px);z-index:150;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -2px 10px #0000000d}.mob-nav-btn{min-width:48px;height:100%;min-height:44px;color:var(--md-sys-color-on-surface-variant);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:.6875rem;font-weight:600;transition:color .15s;display:flex}.mob-nav-btn .material-symbols-outlined{font-size:22px}.mob-nav-btn.active{color:var(--md-sys-color-primary);font-weight:700}.mob-nav-btn-export{background-color:var(--md-sys-color-primary);border-radius:var(--radius-md);height:46px;box-shadow:var(--shadow-sm);margin:6px 8px;color:var(--md-sys-color-on-primary)!important}.mob-nav-btn-export:active{background-color:#1d4ed8;transform:scale(.97)}}@media (width>=1025px){.export-card{z-index:500;box-shadow:var(--shadow-lg);position:fixed;bottom:24px;left:auto;right:24px;width:340px!important}}