/*! Media Clip Kit | Copyright (c) 2026 dihwang. All rights reserved.
 * Proprietary and confidential. Unauthorized copying, distribution, modification,
 * or reverse engineering is strictly prohibited. See LICENSE for full terms. */
:root{--bg: #011627;--surface: #0a2742;--surface-2: #0e2d4a;--surface-3: #143653;--border: #1d3b53;--border-strong: #2c4d6b;--text: #d6deeb;--text-muted: #8aa6c2;--text-subtle: #5f7e9b;--primary: #3b97ff;--primary-hover: #5aa9ff;--primary-soft: rgba(59, 151, 255, .15);--violet: #8b5cf6;--violet-soft: rgba(139, 92, 246, .16);--success: #22c55e;--success-soft: rgba(34, 197, 94, .16);--warning: #f5a524;--warning-soft: rgba(245, 165, 36, .16);--danger: #ef5350;--danger-soft: rgba(239, 83, 80, .16);--stage: #00101e;--r-sm: 8px;--r: 12px;--r-lg: 16px;--r-xl: 20px;--r-pill: 999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .25);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .38);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .5);--maxw: 760px;--header-h: 60px;--ease: .18s cubic-bezier(.4, 0, .2, 1)}.audio-stage{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;text-align:center;background:radial-gradient(120% 120% at 50% 0%,rgba(59,151,255,.18),transparent 60%),var(--stage);pointer-events:none}.audio-stage-icon{font-size:clamp(40px,12vw,72px);line-height:1;filter:drop-shadow(0 4px 12px rgba(0,0,0,.35))}.audio-stage-name{font-size:15px;font-weight:700;color:var(--text);max-width:90%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-stage-hint{font-size:12px;color:var(--text-muted);max-width:32ch}.track-container.is-audio{background-image:linear-gradient(90deg,var(--surface-2),var(--surface-3) 50%,var(--surface-2))}.clip-section{width:100%;display:flex;flex-direction:column;gap:12px}.clip-header{font-size:12px;font-weight:700;color:var(--text-subtle);letter-spacing:.08em;text-transform:uppercase}#clip-list{display:flex;flex-direction:column;gap:12px;width:100%}.clip-empty{display:flex;align-items:center;justify-content:center;text-align:center;min-height:100px;padding:28px 20px;border:2px dashed var(--border-strong);border-radius:var(--r);color:var(--text-subtle);font-size:14px;font-weight:500}#clip-list:not(:empty)+.clip-empty{display:none}.clip-item{display:flex;align-items:stretch;gap:12px;width:100%}.clip-card{position:relative;flex:1;min-width:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px;box-shadow:var(--shadow-sm);cursor:grab;transition:box-shadow var(--ease),border-color var(--ease)}.clip-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong)}.clip-reorder{display:flex;flex-direction:column;justify-content:center;gap:8px;flex:0 0 auto}.btn-move{width:46px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);color:var(--text-muted);border:1px solid var(--border-strong);border-radius:var(--r-sm);font-size:15px;line-height:1;box-shadow:var(--shadow-xs);transition:background var(--ease),color var(--ease),border-color var(--ease)}.btn-move:hover:not(:disabled){background:var(--surface-2);color:var(--primary);border-color:var(--primary)}.btn-move:active:not(:disabled){transform:scale(.94)}.btn-move:disabled{opacity:.3;cursor:not-allowed}.clip-card.dragging{opacity:.5}.clip-card.drop-before{box-shadow:inset 0 3px 0 0 var(--primary)}.clip-card.drop-after{box-shadow:inset 0 -3px 0 0 var(--primary)}.clip-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;padding-right:36px}.clip-index{font-size:15px;font-weight:700;color:var(--primary);cursor:pointer;user-select:none;padding:2px 6px;margin:-2px -6px;border-radius:var(--r-sm);transition:background var(--ease),color var(--ease)}.clip-index:hover{background:var(--primary-soft);color:var(--primary-hover)}.clip-status-badges{display:flex;flex-wrap:wrap;gap:5px;align-items:center;font-size:11px;letter-spacing:-.02em}.badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;letter-spacing:-.01em;padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap}.badge-default{background:var(--surface-2);color:var(--text-subtle)}.badge-vol{background:var(--warning-soft);color:var(--warning)}.badge-spd{background:var(--success-soft);color:var(--success)}.badge-rev{background:var(--danger-soft);color:var(--danger)}.clip-controls{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:14px;padding:14px;background:var(--surface-2);border-radius:var(--r-sm)}.input-group-set{display:flex;gap:10px;flex-wrap:wrap}.input-block{display:flex;flex-direction:column;gap:5px;min-width:0}.input-block label{font-size:12px;font-weight:700;letter-spacing:.02em;color:var(--text-muted);text-transform:uppercase;white-space:nowrap}.inline-input{width:74px;height:36px;background:var(--surface);border:1px solid var(--border-strong);color:var(--text);padding:4px 8px;border-radius:var(--r-sm);text-align:center;font-size:14px;font-variant-numeric:tabular-nums;transition:border-color var(--ease),box-shadow var(--ease)}.inline-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.inline-input.modified-vol{background:var(--warning-soft);border-color:var(--warning);color:var(--warning);font-weight:700}.inline-input.modified-spd{background:var(--success-soft);border-color:var(--success);color:var(--success);font-weight:700}.inline-input.modified-vol:focus{border-color:var(--warning);box-shadow:0 0 0 3px var(--warning-soft)}.inline-input.modified-spd:focus{border-color:var(--success);box-shadow:0 0 0 3px var(--success-soft)}.btn-toggle-reverse{height:36px;padding:0 14px;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--r-sm);font-size:13px;font-weight:600;transition:background var(--ease),color var(--ease),border-color var(--ease)}.btn-toggle-reverse:hover{background:var(--surface-2)}.btn-toggle-reverse.active{background:var(--danger-soft);color:var(--danger);border-color:transparent}#btn-preview-selection.playing{background:var(--success-soft);color:var(--success);border-color:var(--success)}.btn-delete{position:absolute;top:12px;right:12px;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;background:var(--danger-soft);color:var(--danger);border:1px solid rgba(239,83,80,.4);border-radius:var(--r-pill);font-size:14px;font-weight:700;line-height:1;transition:background var(--ease),color var(--ease),border-color var(--ease)}.btn-delete:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.video-section{width:100%;display:flex;flex-direction:column;gap:18px}.video-wrapper{position:relative;width:100%;aspect-ratio:16 / 9;background:var(--stage);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md)}video{width:100%;height:100%;object-fit:contain;display:block}#overlay-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.steps-section{display:flex;flex-direction:column;gap:8px;background:#3b97ff0f;border:1px solid rgba(59,151,255,.22);border-radius:var(--r);padding:12px}.steps-section-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--primary);cursor:pointer;list-style:none;user-select:none}.steps-section-title::-webkit-details-marker{display:none}.steps-section-chevron{flex-shrink:0;transition:transform .2s ease}.steps-section:not([open]) .steps-section-chevron{transform:rotate(-90deg)}.steps-section .edit-steps{margin:0}.edit-step{cursor:pointer;transition:background var(--ease),border-color var(--ease)}.edit-step:hover{background:var(--surface-3);border-color:var(--border-strong)}.guide-highlight{animation:guide-highlight-pulse 1.6s ease-out;position:relative;z-index:1}@keyframes guide-highlight-pulse{0%{box-shadow:none}12%{box-shadow:0 0 0 3px #fff,0 0 0 7px #3b97ff,0 0 22px 8px #3b97ffa6}50%{box-shadow:0 0 0 2px #ffffff4d,0 0 0 10px #3b97ff73,0 0 28px 12px #3b97ff40}to{box-shadow:none}}.export-footer{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--maxw);z-index:15;background:#011627d1;backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-top:1px solid var(--border);border-radius:var(--r-xl) var(--r-xl) 0 0;box-shadow:0 -8px 28px #0006;padding:14px 16px;padding-bottom:calc(14px + env(safe-area-inset-bottom))}.feature-tabs{display:flex;gap:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:4px;margin-bottom:12px}.feature-tab{flex:1;min-height:42px;border-radius:var(--r-sm);background:transparent;color:var(--text-muted);font-size:14px;font-weight:700;letter-spacing:-.01em;transition:background var(--ease),color var(--ease),box-shadow var(--ease)}.feature-tab.is-active{background:var(--surface);box-shadow:var(--shadow-sm)}#tab-gif.is-active{color:var(--warning)}#tab-merge.is-active{color:var(--success)}.feature-panel{display:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px}.feature-panel.is-active{display:block}.feature-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}.feature-card-sub{font-size:13px;font-weight:500;color:var(--text-muted)}.feature-card-est{font-size:12px;color:var(--text-subtle);white-space:nowrap}.feature-card-est strong{color:var(--warning);font-weight:700}.gif-options{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;margin-bottom:16px}.audio-format-inline{margin-bottom:0;flex:0 0 auto}.gif-opt{display:flex;align-items:center;gap:8px}.gif-opt>label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-subtle)}.gif-opt button{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--r-sm);font-size:18px;font-weight:600;transition:background var(--ease)}.gif-opt button:hover{background:var(--surface-3)}.gif-opt input{width:56px;height:40px;text-align:center;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--r-sm);font-size:15px;font-variant-numeric:tabular-nums}.gif-opt input:focus,.gif-opt select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.gif-opt select{height:40px;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--r-sm);padding:0 10px;font-size:14px}.btn-export{width:100%;min-height:52px;padding:14px;color:#fff;font-size:16px;font-weight:700}.btn-gif{background:var(--warning);color:#011627;box-shadow:0 2px 14px #f5a52457}.btn-gif:hover{background:#ffb43e}.btn-merge{background:var(--success);box-shadow:0 2px 14px #22c55e52}.btn-merge:hover{background:#34d06d}.download-success{text-align:center;margin-top:15px}.download-success-msg{color:var(--success);font-weight:700;margin-bottom:15px}.download-success-btn{display:inline-block;padding:12px 24px;border-radius:var(--r-sm);font-weight:700;text-decoration:none;box-shadow:var(--shadow-md)}@media (max-width: 480px){header{justify-content:flex-start;padding-left:14px}header .brand{font-size:15px;gap:7px;max-width:calc(100% - 96px);overflow:hidden}.lang-menu{right:10px;min-width:0;width:min(220px,calc(100vw - 20px));max-height:calc(100vh - var(--header-h) - 16px);overflow-y:auto}main{padding:calc(var(--header-h) + 16px) 12px 320px;gap:22px}.upload-zone{padding:44px 18px 32px}.export-footer{padding:12px;padding-bottom:calc(12px + env(safe-area-inset-bottom))}.gif-options{gap:12px}.inline-input{width:66px}}header{position:fixed;top:0;left:0;width:100%;height:var(--header-h);z-index:20;display:flex;align-items:center;justify-content:center;gap:9px;background:#011627b8;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text)}header .brand{display:inline-flex;align-items:center;gap:9px;background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;letter-spacing:inherit;cursor:pointer;transition:opacity .15s ease}header .brand:hover{opacity:.8}header .brand:active{opacity:.6}header .logo{width:30px;height:30px;object-fit:contain;box-shadow:var(--shadow-sm);border-radius:50%}.header-info-btn{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1;color:var(--text-muted);background:var(--surface-2);border:1px solid var(--border);border-radius:50%;transition:color var(--ease),background var(--ease),border-color var(--ease)}.header-info-btn:hover{color:var(--text);background:var(--surface-3);border-color:var(--border-strong)}.header-info-btn:active{transform:translateY(-50%) scale(.94)}.lang-btn{right:54px;font-size:17px}.lang-menu{position:fixed;top:calc(var(--header-h) - 4px);right:14px;z-index:210;min-width:150px;margin:0;padding:6px;list-style:none;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:12px;box-shadow:0 10px 30px #00000073}.lang-menu.hidden{display:none}.lang-menu li{list-style:none}.lang-menu button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;background:none;border:0;border-radius:8px;color:var(--text);font:inherit;font-size:14px;font-weight:600;text-align:left;cursor:pointer;transition:background var(--ease)}.lang-menu button:hover{background:var(--surface-3)}.lang-menu button[aria-checked=true]:after{content:"\2713";color:var(--accent, #3b97ff);font-weight:700}main{width:100%;max-width:var(--maxw);padding:calc(var(--header-h) + 20px) 16px 40px;display:flex;flex-direction:column;gap:28px}main:has(.export-footer:not(.hidden-initially)){padding-bottom:320px}[data-tooltip]{position:relative}[data-tooltip]:before{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);background:var(--surface-3);color:var(--text);padding:6px 12px;border-radius:var(--r-sm);font-size:12px;font-weight:500;white-space:nowrap;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .15s ease,visibility .15s ease;z-index:50;border:1px solid var(--border-strong);box-shadow:var(--shadow-sm)}[data-tooltip]:hover:before{opacity:1;visibility:visible}.global-action-row [data-tooltip]:before{bottom:auto;top:calc(100% + 8px)}.global-action-row{display:flex;justify-content:space-between;align-items:center;gap:12px;position:relative;z-index:60}.capture-action-group{display:flex;gap:8px}.btn-secondary.btn-capture-frame,.btn-secondary.btn-save-thumbnail{gap:8px;padding:10px 18px;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,#0d9488,#06b6d4);border:1px solid rgba(255,255,255,.15);box-shadow:0 4px 12px #0d948840,inset 0 1px #fff3;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),filter var(--ease)}.btn-secondary.btn-capture-frame:hover,.btn-secondary.btn-save-thumbnail:hover{color:#fff;filter:brightness(1.1);box-shadow:0 6px 16px #0d948866,inset 0 1px #ffffff4d;transform:translateY(-1.5px)}.btn-secondary.btn-capture-frame:active,.btn-secondary.btn-save-thumbnail:active{transform:translateY(0) scale(.97)}.btn-capture-icon,.btn-thumbnail-icon{font-size:15px;line-height:1;display:inline-block;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.btn-secondary.btn-capture-frame:hover .btn-capture-icon{transform:scale(1.25) rotate(-10deg)}.btn-secondary.btn-save-thumbnail:hover .btn-thumbnail-icon{transform:scale(1.25) rotate(10deg)}.btn-secondary.btn-file-replace{gap:9px;padding:12px 22px;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--violet) 0%,#a78bfa 100%);border:1px solid rgba(255,255,255,.15);box-shadow:0 4px 14px #8b5cf659,inset 0 1px #fff3;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),filter var(--ease)}.btn-secondary.btn-file-replace:hover{color:#fff;filter:brightness(1.1);background:linear-gradient(135deg,var(--violet) 0%,#b794f4 100%);box-shadow:0 6px 20px #8b5cf68c,inset 0 1px #ffffff4d;transform:translateY(-1.5px)}.btn-secondary.btn-file-replace:active{transform:translateY(0) scale(.97)}.btn-file-replace-icon{font-size:16px;line-height:1;display:inline-block;transition:transform .6s cubic-bezier(.34,1.56,.64,1)}.btn-secondary.btn-file-replace:hover .btn-file-replace-icon{transform:rotate(180deg)}.edit-controls{display:flex;flex-direction:column;gap:14px}.control-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.control-line .time-display{flex:0 0 auto}.control-line #btn-preview-selection{flex:1 1 160px;white-space:nowrap}.control-line .filename-input-container{flex:1 1 200px}.time-display{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--primary);background:var(--primary-soft);padding:9px 13px;border-radius:var(--r-sm);white-space:nowrap}.time-field{width:58px;background:transparent;border:1px solid transparent;border-radius:6px;color:inherit;font:inherit;font-variant-numeric:tabular-nums;text-align:center;padding:2px 4px;cursor:text;transition:border-color var(--ease),background var(--ease),box-shadow var(--ease)}.time-field:hover{border-color:#3b97ff73}.time-field:focus{outline:none;border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 2px var(--primary-soft)}.time-sep{opacity:.7}.filename-input-container{flex:1}.filename-input{width:100%;background:var(--surface);border:1px solid var(--border-strong);color:var(--text);padding:11px 14px;border-radius:var(--r-sm);font-size:14px;transition:border-color var(--ease),box-shadow var(--ease)}.filename-input::placeholder{color:var(--text-subtle)}.filename-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.upload-zone{position:relative;overflow:hidden;cursor:pointer;width:100%;background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border-strong);border-radius:var(--r-xl);padding:52px 28px 38px;text-align:center;box-shadow:var(--shadow-lg);transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease)}.upload-zone:hover{transform:translateY(-2px);border-color:var(--primary)}.upload-zone.dragover{border-color:var(--primary);border-style:dashed;transform:scale(1.01);box-shadow:0 0 0 3px var(--primary-soft),var(--shadow-lg)}.upload-aurora{position:absolute;top:-45%;left:-10%;right:-10%;height:340px;background:radial-gradient(42% 60% at 25% 35%,rgba(59,151,255,.32),transparent 70%),radial-gradient(42% 55% at 80% 18%,rgba(139,92,246,.28),transparent 70%);filter:blur(38px);pointer-events:none;z-index:0}.upload-content{position:relative;z-index:1;user-select:none;-webkit-user-select:none;cursor:pointer}.upload-badge{position:relative;width:90px;height:90px;margin:0 auto 22px}.upload-badge-main{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:38px;border-radius:50%;background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.22),transparent 55%),linear-gradient(150deg,var(--primary),var(--violet));box-shadow:0 14px 32px #3b97ff73,inset 0 1px 1px #ffffff4d}.upload-badge-chip{position:absolute;right:-4px;bottom:-4px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:16px;border-radius:50%;background:var(--surface-3);border:2px solid var(--bg);box-shadow:var(--shadow-sm)}.upload-title{font-size:clamp(22px,5.4vw,29px);font-weight:800;line-height:1.25;letter-spacing:-.02em;background:linear-gradient(120deg,#fff,#aecbff 48%,#c7b6ff);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:22px}.btn-file-select{display:inline-flex;align-items:center;justify-content:center;gap:10px;margin:0 auto;padding:16px 32px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:#fff;border:none;border-radius:var(--r-pill);cursor:pointer;background:linear-gradient(135deg,var(--primary),var(--violet));box-shadow:0 8px 24px #3b97ff73,inset 0 1px 1px #ffffff40;transition:transform var(--ease),box-shadow var(--ease),filter var(--ease)}.btn-file-select:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 30px #3b97ff8c,inset 0 1px 1px #ffffff40}.btn-file-select:active{transform:translateY(0) scale(.98)}.btn-file-icon{font-size:20px;line-height:1}.upload-sub{color:var(--text);font-size:15px;margin-top:14px}.format-chips{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:22px 0;opacity:.78}.chip{font-size:12px;font-weight:700;letter-spacing:.02em;padding:6px 13px;border-radius:var(--r-pill);border:1px solid transparent}.chip-video{color:#aecbff;background:var(--primary-soft);border-color:#3b97ff59}.chip-audio{color:#cdbcff;background:var(--violet-soft);border-color:#8b5cf666}.chip-divider{width:1px;height:18px;background:var(--border-strong);margin:0 3px}.upload-trust{margin-top:22px;display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;background:var(--success-soft);border:1px solid rgba(34,197,94,.35);font-size:14.5px;font-weight:600;color:var(--success);letter-spacing:-.01em}.btn-primary,.btn-secondary,.btn-export{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;letter-spacing:-.01em;border-radius:var(--r);transition:background var(--ease),box-shadow var(--ease),transform var(--ease);user-select:none}.btn-primary:active,.btn-secondary:active,.btn-export:active,.feature-tab:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff;padding:13px 20px;font-size:15px;box-shadow:0 2px 12px #3b97ff59}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface);color:var(--text);padding:13px 20px;font-size:15px;border:1px solid var(--border-strong);box-shadow:var(--shadow-xs)}.btn-secondary:hover{background:var(--surface-2)}.track-container{position:relative;width:100%;height:64px;background:var(--surface-3);background-size:100% 100%;border-radius:var(--r);border:1px solid var(--border);box-shadow:inset 0 1px 4px #0000004d;overflow:hidden;cursor:pointer}.selection-range{position:absolute;top:0;height:100%;background:#4f46e52e;border-left:2px solid var(--primary);border-right:2px solid var(--primary);z-index:1}.playhead{position:absolute;top:0;left:0;width:2px;height:100%;background:#fff;box-shadow:0 0 5px #000000b3;pointer-events:none;z-index:2}.playhead:before{content:"";position:absolute;top:-1px;left:50%;transform:translate(-50%);border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid #fff}.handle{position:absolute;top:0;width:18px;height:100%;background:var(--primary);border-radius:7px;cursor:ew-resize;z-index:2;box-shadow:var(--shadow-sm);transition:background var(--ease)}.handle:hover{background:var(--primary-hover)}.handle:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:3px;height:22px;background:#ffffffe6;border-radius:2px}.btn-add-clip-lg{flex:0 0 auto;padding:15px 30px;font-size:16px;font-weight:700;white-space:nowrap;box-shadow:0 4px 16px #3b97ff66}@media (max-width: 480px){.control-line #btn-preview-selection,.btn-add-clip-lg{flex:1 1 100%}}.hidden,.hidden-initially{display:none!important}#processing-overlay{position:fixed;inset:0;width:100vw;height:100vh;background:#0109129e;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:100;display:flex;justify-content:center;align-items:center;padding:20px}.progress-box{background:var(--surface);padding:32px 28px;border-radius:var(--r-xl);width:100%;max-width:380px;text-align:center;box-shadow:var(--shadow-lg)}.status-wrapper h2{font-size:18px;font-weight:700;letter-spacing:-.01em;margin:22px 0 6px;color:var(--text)}.status-sub{font-size:13px;color:var(--text-muted);margin-bottom:22px;line-height:1.5}.progress-container{width:100%;height:8px;background:var(--surface-3);border-radius:var(--r-pill);overflow:hidden}#progress-bar{width:0%;height:100%;background:var(--primary);border-radius:var(--r-pill);transition:width .15s linear}.spinner-ring{display:inline-block;position:relative;width:44px;height:44px}.spinner-ring div{box-sizing:border-box;display:block;position:absolute;width:36px;height:36px;margin:4px;border:4px solid var(--primary);border-radius:50%;animation:spinner-motion 1.2s cubic-bezier(.5,0,.5,1) infinite;border-color:var(--primary) transparent transparent transparent}.spinner-ring div:nth-child(1){animation-delay:-.45s}.spinner-ring div:nth-child(2){animation-delay:-.3s}.spinner-ring div:nth-child(3){animation-delay:-.15s}@keyframes spinner-motion{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#app-splash{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg);opacity:1;transition:opacity .35s ease;animation:splash-failsafe 0s linear 10s forwards}#app-splash.is-hidden{opacity:0;pointer-events:none}.splash-inner{display:flex;flex-direction:column;align-items:center;gap:22px}.splash-logo{width:48px;height:48px;object-fit:contain;border-radius:50%;box-shadow:var(--shadow-sm);animation:splash-pulse 1.2s ease-in-out infinite}.splash-bar{width:180px;max-width:60vw;height:4px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden}.splash-bar-fill{display:block;width:40%;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--violet));animation:splash-slide 1.1s ease-in-out infinite}@keyframes splash-slide{0%{transform:translate(-130%)}to{transform:translate(330%)}}@keyframes splash-pulse{0%,to{opacity:.65}50%{opacity:1}}@keyframes splash-failsafe{to{opacity:0;visibility:hidden}}@media (prefers-reduced-motion: reduce){.splash-logo,.splash-bar-fill{animation:none}}.info-overlay{position:fixed;inset:0;z-index:200;display:flex;justify-content:center;align-items:center;padding:20px;background:#0109129e;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.info-modal{width:100%;max-width:460px;max-height:min(80vh,640px);display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);overflow:hidden}.info-modal-head{display:flex;align-items:center;gap:8px;padding:12px 12px 12px 16px;border-bottom:1px solid var(--border);flex:0 0 auto}.info-modal-title{flex:1 1 auto;text-align:center;font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text)}.info-back,.info-close{flex:0 0 auto;min-width:56px;height:32px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-muted);background:none;border-radius:var(--r-sm);transition:color var(--ease),background var(--ease)}.info-close{min-width:32px;width:32px;font-size:16px}.info-back:hover,.info-close:hover{color:var(--text);background:var(--surface-3)}.info-back.hidden{display:inline-flex!important;visibility:hidden}.info-modal-body{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}.info-menu{list-style:none;padding:10px;margin:0;overflow-y:auto}.info-menu-item{width:100%;display:flex;align-items:center;gap:12px;padding:14px;border-radius:var(--r);color:var(--text);background:var(--surface-2);border:1px solid var(--border);text-align:left;transition:background var(--ease),border-color var(--ease)}.info-menu li+li{margin-top:8px}.info-menu-item:hover{background:var(--surface-3);border-color:var(--border-strong)}.info-menu-icon{font-size:20px;line-height:1}.info-menu-label{flex:1 1 auto;font-size:15px;font-weight:600}.info-menu-arrow{color:var(--text-subtle);font-size:18px}.info-frame{flex:1 1 auto;width:100%;min-height:320px;border:0;background:var(--bg)}.edit-steps{display:flex;flex-wrap:wrap;gap:8px 10px;margin:0 0 4px;padding:0;list-style:none;counter-reset:none}.edit-step{flex:1 1 160px;display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);font-size:14px;font-weight:600;color:var(--text);line-height:1.3}.edit-step-num{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--violet));color:#fff;font-size:14px;font-weight:800}.seo-info-section{max-width:var(--maxw);margin:40px auto;padding:0 16px 20px;color:var(--text);font-family:inherit}.seo-info-section.hidden{display:none}.seo-toggle-btn{display:flex;align-items:center;gap:8px;margin:0 auto;padding:8px 20px;background:transparent;border:1px solid var(--border);border-radius:20px;color:var(--text-muted);font-size:.85rem;font-family:inherit;cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}.seo-toggle-btn:hover{color:var(--text);border-color:var(--border-strong);background-color:var(--surface)}.seo-toggle-icon{display:inline-block;transition:transform .3s var(--ease);font-size:.7rem}.seo-toggle-btn[aria-expanded=true] .seo-toggle-icon{transform:rotate(180deg)}.seo-collapsible{overflow:hidden;max-height:0;opacity:0;transition:max-height .45s ease,opacity .35s ease,margin-top .3s ease;margin-top:0}.seo-collapsible.expanded{max-height:2000px;opacity:1;margin-top:32px}.seo-container{display:flex;flex-direction:column;gap:40px}.seo-section-title{font-size:1.6rem;font-weight:700;color:var(--text);text-align:center;margin:0;line-height:1.4;background:linear-gradient(135deg,var(--primary),var(--violet));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.seo-section-desc{font-size:1rem;line-height:1.7;color:var(--text-muted);text-align:center;max-width:680px;margin:0 auto}.seo-features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:10px}@media (max-width: 600px){.seo-features-grid{grid-template-columns:1fr}}.seo-feature-card{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}.seo-feature-card:hover{transform:translateY(-2px);border-color:var(--border-strong);background-color:var(--surface-2);box-shadow:var(--shadow-md)}.seo-card-icon{font-size:2rem;display:inline-block;margin-bottom:12px}.seo-feature-card h3{font-size:1.15rem;font-weight:600;margin:0 0 10px;color:var(--text)}.seo-feature-card p{font-size:.9rem;line-height:1.6;color:var(--text-muted);margin:0}.seo-faq-section{border-top:1px solid var(--border);padding-top:40px;margin-top:20px}.seo-faq-title{font-size:1.35rem;font-weight:600;text-align:center;margin:0 0 30px;color:var(--text)}.seo-faq-item{margin-bottom:24px;background-color:var(--surface-2);border-left:4px solid var(--primary);border-radius:0 var(--r) var(--r) 0;padding:20px}.seo-faq-item:nth-of-type(2n){border-left-color:var(--violet)}.seo-faq-item h4{font-size:1.05rem;font-weight:600;margin:0 0 8px;color:var(--text)}.seo-faq-item p{font-size:.9rem;line-height:1.6;color:var(--text-muted);margin:0}.seo-faq-item p strong{color:var(--primary)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}html,body{max-width:100%;overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Segoe UI,Roboto,Malgun Gothic,Helvetica Neue,Arial,sans-serif;background-color:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;align-items:center;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select{font:inherit}
/*!
 * Media Clip Kit
 * Copyright (c) 2026 dihwang. All rights reserved.
 * Proprietary and confidential. Unauthorized copying, distribution,
 * modification, or reverse engineering is strictly prohibited.
 * See the LICENSE file in the project root for full terms.
 */