/* Project management stays beside practice; only playback choices enter fullscreen. */
.player-card,mt-project-controls,mt-bookmarks{-webkit-user-select:none;user-select:none}
.player-card :is(input:not([type=range]):not([type=checkbox]),textarea,[contenteditable=true]){-webkit-user-select:text;user-select:text}
mt-project-controls{display:block;margin:0;min-width:0}mt-project-controls[hidden],mt-practice-options[hidden]{display:none}
.project-controls{padding:20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.project-controls>.eyebrow{font-size:9px}.project-heading{display:flex;align-items:center;gap:8px;margin:6px 0 10px}
.project-heading h2{font-size:16px;font-weight:500;line-height:1.5;margin:0;overflow-wrap:anywhere;flex:1;min-width:0}
.project-heading .icon-button{flex:none;color:var(--muted)}.item-controls{display:flex;align-items:end;gap:4px;margin:12px 0}
.item-controls label{display:grid;gap:6px;min-width:0;flex:1;font-size:10px;color:var(--muted)}
.item-selector{width:100%;min-width:0;min-height:40px;padding:8px;border:1px solid var(--border);border-radius:7px;background:var(--surface-2);font-size:12px;text-overflow:ellipsis}
.practice-items{margin:12px 0}.practice-items-label{display:block;font-size:10px;color:var(--muted);margin-bottom:7px}.practice-item-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}.practice-item-button{display:flex;align-items:center;gap:9px;width:100%;min-height:42px;text-align:left;padding:8px 10px;border:1px solid transparent;border-radius:7px;font-size:12px;color:var(--muted)}.practice-item-button:hover{background:var(--surface-hover);color:var(--text)}.practice-item-button[aria-current=true]{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent-strong) 30%,var(--border));color:var(--text)}.practice-item-button>span{flex:1;min-width:0;overflow-wrap:anywhere}.practice-item-button>mt-icon{width:16px;height:17px;flex:none;color:var(--muted)}.practice-item-button>mt-icon[name=check]{width:13px;color:var(--accent-strong)}
.project-actions{display:flex;flex-wrap:wrap;gap:0 14px}.project-actions .text-button,.project-export{font-size:11px;min-height:38px;gap:6px;color:var(--muted)}
.project-actions .sync-prompt{color:var(--accent-strong)}.project-export{border-top:1px solid var(--border);width:100%;justify-content:start;margin-top:9px;padding-top:10px}
.new-project-button{gap:6px}.details-form{display:flex;flex-direction:column;gap:20px;padding:28px;min-width:min(340px,80vw)}
.details-form h2{margin:0;font-family:Georgia,serif;font-weight:400}.details-form label{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted)}
.details-form input{border:1px solid var(--border);border-radius:8px;background:var(--surface-2);padding:12px;font-size:14px;min-width:0}

.app-header{position:sticky;top:0;z-index:40}
.header-nav{margin-left:auto;margin-right:14px;gap:20px}.new-project-button{gap:7px;font-size:12px;font-weight:500;padding:0 4px;min-height:44px}
.new-project-button mt-icon{width:16px;height:16px}
.player-card{overflow:visible}.player-topline{gap:12px;flex-wrap:wrap;padding:12px 18px;min-height:58px}
.video-title{min-width:0;flex:1}.video-title h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.video-title .item-rename{width:28px;min-width:28px;height:30px;min-height:30px;color:var(--muted);flex:none}.video-title .item-rename mt-icon{width:13px;height:13px}
.video-meta{font-size:8px;letter-spacing:1px;white-space:nowrap;margin-left:auto;display:block}
mt-practice-options{display:block;position:relative;z-index:9;flex:none}.practice-options{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px}
.compact-choice{display:flex;align-items:center;gap:5px}.compact-choice select{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;font-size:11px;max-width:155px;min-height:32px;padding:5px 24px 5px 8px}
select option{background:var(--surface);color:var(--text)}
.display-menu{position:relative}.display-menu summary{display:flex;align-items:center;gap:6px;cursor:pointer;min-height:34px;list-style:none;color:var(--text);font-size:11px;padding:4px 0}
.display-menu summary::-webkit-details-marker{display:none}.display-menu summary:after{content:none}.display-menu summary mt-icon{width:15px;height:15px}.display-menu summary mt-icon[name=chevron-down]{width:13px;height:13px;transition:transform .15s}.display-menu[open] summary mt-icon[name=chevron-down]{transform:rotate(180deg)}
.display-popover{position:absolute;right:0;left:auto;top:calc(100% + 10px);z-index:20;width:430px;max-width:calc(100vw - 32px);border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:16px;box-shadow:0 12px 44px #0003;color:var(--text)}
.display-menu-heading strong{display:block;font-size:13px;font-weight:550}.display-menu-heading>span{display:block;font-size:10px;color:var(--muted);margin:4px 0 14px}
.layout-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}.layout-column{border:1px solid var(--border);border-radius:8px;padding:7px 4px;min-width:0;min-height:100px;background:var(--surface-2)}.layout-column>.eyebrow{display:block;font-size:8px;padding:3px 7px 6px}
.display-row{display:flex;align-items:center;min-height:45px;position:relative;border-radius:5px}.display-row:hover{background:var(--surface-hover)}.display-row label{display:flex;gap:7px;align-items:center;flex:1;min-width:0;cursor:pointer;font-size:11px}.display-row label span{overflow-wrap:anywhere}.display-row input{width:16px;height:16px;flex:none;accent-color:var(--accent-strong)}
.display-drag{display:flex;align-items:center;justify-content:center;width:28px;min-width:28px;height:40px;touch-action:none;cursor:grab;color:var(--muted);padding:3px}.display-drag:active{cursor:grabbing}.display-drag mt-icon{width:15px;height:18px}.column-empty{display:none;font-size:10px;color:var(--muted);padding:15px 6px;text-align:center}.layout-column:not(:has(.display-row)) .column-empty{display:block}.layout-column.drop-target{border-color:var(--accent-strong);background:var(--accent-soft)}.drop-before:before{content:'';position:absolute;top:0;left:4px;right:4px;height:2px;background:var(--accent-strong)}
.display-settings{display:flex;gap:12px;border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.display-settings label{display:grid;gap:6px;font-size:10px;flex:1;min-width:0;color:var(--muted)}.display-settings select{background:var(--surface-2);color:var(--text);border:1px solid var(--border);padding:8px;border-radius:6px;font-size:11px;min-height:36px;width:100%}.display-note{font-size:10px;line-height:1.6;margin-top:12px;color:var(--muted)}.display-save-note{display:block;margin-top:12px;color:var(--muted);font-size:9px}
.practice-displays{display:block;min-width:0;background:var(--surface)}.practice-displays>mt-music-views{display:block;min-width:0}
.practice-displays mt-video-player{display:block;min-width:0}.practice-displays mt-video-player[hidden]{display:none}.practice-displays .video-stage{height:auto;min-height:200px;aspect-ratio:16/9;width:100%}
.practice-displays mt-video-player.youtube-mini .video-stage{height:200px;min-height:200px;aspect-ratio:auto}.youtube-mini .youtube-container,.youtube-mini iframe{min-height:200px}
.player-card:is(:fullscreen,.expanded-player){overflow:hidden;background:var(--surface);justify-content:start}
.player-card:is(:fullscreen,.expanded-player) .player-topline{display:flex;min-height:62px;padding:10px 140px 10px 18px;flex:none}.player-card:is(:fullscreen,.expanded-player) .player-topline .video-title{max-width:36%}
.player-card:is(:fullscreen,.expanded-player) .practice-displays{overflow:auto;flex:1 1 0;min-height:0;display:flex;align-items:safe center}.player-card:is(:fullscreen,.expanded-player) .practice-displays>mt-music-views{width:100%;flex:1;min-height:0}
.player-card:is(:fullscreen,.expanded-player) .video-stage{min-height:200px;max-height:calc(100dvh - 260px);aspect-ratio:16/9;height:auto;flex:none}
.player-card:is(:fullscreen,.expanded-player)>mt-transport{flex:none;position:relative;z-index:5;background:var(--surface)}.player-card .fullscreen-indicator{z-index:8}
.player-card>mt-transport{padding-top:9px}.scrub-wrap{height:44px}.scrub-wrap:not(:has(.timeline-marker)):not(.has-loop-markers){height:33px}.timeline-marker{top:-12px}.scrub-wrap.has-loop-markers{height:84px}
@media(any-pointer:coarse){.scrub-wrap{height:50px}.scrub-wrap.has-loop-markers{height:98px}.timeline-marker{top:-8px}}
.music-tools-dialog{width:min(820px,calc(100% - 32px));max-height:88dvh;overflow:auto}
mt-music-workspace{margin:0!important}.music-tools-dialog .music-workspace-card{border:0;border-radius:0;padding:24px}
.music-tools-dialog .music-heading{margin-bottom:14px}.music-tools-dialog .music-heading h2{font-size:24px}.music-tools-dialog .music-heading p{margin:7px 0 0}
.music-tools-dialog .music-source-info{padding:10px 0}.music-tools-dialog .music-note-dialog{max-height:80dvh}

@media(max-width:900px){.assistant-column{display:flex;flex-direction:column}.assistant-column>mt-practice-assistant{display:none}.player-card .player-topline{min-height:124px;padding-right:130px;align-items:flex-start}.player-card .fullscreen-indicator{top:12px}.player-card:has(.fullscreen-indicator mt-gesture-status:not([hidden])) .player-topline{min-height:152px}.video-title{flex-basis:100%}.video-meta{margin-left:0}.player-card:is(:fullscreen,.expanded-player) .player-topline{min-height:124px;align-content:start}.player-card:is(:fullscreen,.expanded-player) .player-topline .video-title{display:none}}
@media(max-width:650px){.app-header{padding-inline:14px;gap:10px}.brand>span{display:none}.header-nav{gap:12px;margin-right:0}.header-nav .nav-button{width:44px;min-height:44px;justify-content:center;font-size:0;gap:0;padding:0}.header-nav .nav-button span{display:none}.new-project-button mt-icon{width:18px;height:18px}.header-tools .icon-button{width:44px}.brand img{width:30px;height:30px}.display-popover{width:380px;padding:12px;right:-2px}.display-settings{gap:8px}.display-row label{font-size:10px}.display-drag{width:24px;min-width:24px}.practice-options{gap:7px}.compact-choice select{max-width:130px}.video-meta{font-size:7px}.music-tools-dialog .music-workspace-card{padding:18px}}
@media(max-width:360px){.app-header{padding-inline:10px;gap:6px}.header-nav{gap:4px}.display-popover{width:288px}}
.player-card.expanded-player{position:fixed;inset:0;z-index:90;width:100vw;height:100dvh}
.player-card:fullscreen{height:100dvh;width:100vw}

/* Keep header controls above the practice panes in either fullscreen mode. */
.player-topline{position:relative;z-index:10;background:var(--surface);border-radius:var(--radius) var(--radius) 0 0}
.player-card:is(:fullscreen,.expanded-player) .player-topline{border-radius:0}
.player-card:is(:fullscreen,.expanded-player) .player-topline .video-title{display:flex;max-width:40%;flex:1;flex-basis:auto}
.player-card .fullscreen-indicator{z-index:12}
/* Center the playback island; loop modes and utility controls share the bottom edge. */
mt-transport{container-type:inline-size}
.transport-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 12px;align-items:center;margin:7px 0 12px}
.playback-island{grid-column:1/-1;justify-self:center;display:flex;align-items:center;gap:10px;max-width:100%;padding:7px 10px;background:var(--surface-2);border:1px solid var(--border);border-radius:16px}
.playback-island .transport-primary{gap:4px;flex:none}.playback-island .transport-primary .icon-button{width:34px;min-width:34px;padding:4px}.playback-island .transport-primary .icon-button mt-icon{width:27px;height:25px}
.playback-island .play-button{width:43px;height:43px;flex:none}
.playback-island .transport-bookmarks{border-left:1px solid var(--border);padding-left:8px;gap:2px;flex:none}
.playback-island .transport-bookmarks .icon-button{width:34px;min-width:34px;padding:4px}.playback-island .transport-bookmarks .icon-button mt-icon{width:27px;height:25px}.playback-island .transport-bookmarks [data-command=bookmark]{margin-left:0}
.transport-row .loop-strip{grid-column:1;grid-row:2;display:flex;align-items:center;justify-content:flex-start;gap:6px 10px;border:0;min-height:38px;flex-wrap:wrap;padding:0;margin:0}
.loop-mode{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);padding:2px;gap:2px}
.loop-mode .loop-toggle,.loop-mode .bookmark-loop-toggle{display:flex;align-items:center;gap:5px;min-height:32px;margin:0;padding:5px 8px;border:0;border-radius:5px;font-size:10px;text-decoration:none;flex-basis:auto;white-space:nowrap;text-align:center;font-weight:500;color:var(--muted)}
.loop-mode mt-icon{width:13px;height:13px}.loop-mode [aria-pressed=true]{background:var(--accent-soft);color:var(--accent-strong);box-shadow:0 1px 3px #0001}
.transport-row .loop-points{gap:6px}.transport-row .loop-points button:not(.icon-button){font-size:10px;min-height:34px}.transport-row .loop-dash{font-size:9px}.transport-row .clear-loop{width:25px;min-width:25px;min-height:32px}
.transport-row .transport-secondary{grid-column:2;grid-row:2;justify-self:end;align-self:end;margin:0;gap:3px;display:flex}.transport-secondary .mute-button{display:flex}.transport-secondary .icon-button{width:33px;min-width:33px}.transport-secondary .speed-select select{min-height:34px;padding:7px 20px 7px 8px;background:var(--surface-2);color:var(--text)}
@container(max-width:600px){.transport-row .loop-strip{flex-direction:column;align-items:flex-start;gap:3px}.transport-row .transport-secondary{align-self:start}.loop-mode .loop-toggle,.loop-mode .bookmark-loop-toggle{font-size:9px;padding:5px 6px}.transport-row .loop-points button:not(.icon-button){font-size:9px}}
@container(max-width:370px){.playback-island{gap:5px;padding:6px}.playback-island .transport-primary{gap:2px}.playback-island .transport-primary .icon-button{width:27px;min-width:27px;padding:2px}.playback-island .play-button{width:38px;height:38px}.playback-island .transport-bookmarks{padding-left:4px;gap:0}.playback-island .transport-bookmarks .icon-button{width:27px;min-width:27px;padding:2px}.playback-island .transport-bookmarks .icon-button mt-icon,.playback-island .transport-primary .icon-button mt-icon{width:25px;height:23px}.transport-secondary .icon-button{width:28px;min-width:28px}.transport-secondary .speed-select select{font-size:10px;width:60px}.transport-row{column-gap:5px}.loop-mode .loop-toggle,.loop-mode .bookmark-loop-toggle{font-size:9px;gap:3px;padding-inline:4px}.loop-mode mt-icon{width:11px}}
@media(max-width:900px){.player-card:is(:fullscreen,.expanded-player) .player-topline{min-height:124px}.player-card:is(:fullscreen,.expanded-player) .player-topline .video-title{max-width:100%;flex-basis:100%}}
@media(max-width:360px){.player-card>mt-transport{padding-inline:8px}}

/* Quiet controls, with room between actions instead of a surrounding capsule. */
.transport-row{row-gap:2px;margin:2px 0 5px}
.playback-island{background:none;border:0;border-radius:0;padding:0;gap:16px}
.playback-island .transport-primary{gap:12px}
.playback-island .transport-bookmarks{border:0;padding-left:8px;gap:10px}
.playback-island [data-command=previous]{margin-right:8px}
.playback-island [data-command=next]{margin-left:8px}
.loop-prefix{display:inline-flex;align-items:center;gap:5px;font-size:10px;color:var(--muted);white-space:nowrap}
.loop-prefix mt-icon{width:14px;height:14px}
.loop-mode{border:0;background:none;padding:0;gap:3px}
.loop-mode [aria-pressed=true]{box-shadow:none;background:none;color:var(--accent-strong);text-decoration:underline;text-underline-offset:5px}
.transport-row .loop-strip{gap:5px;min-height:32px}
.transport-row .loop-points{margin-left:8px}
.transport-row .loop-points[hidden]{display:none}
.player-card>mt-transport{padding-top:3px}
.player-card:is(:fullscreen,.expanded-player) .practice-displays{align-items:stretch}
.player-card:is(:fullscreen,.expanded-player) .practice-displays>mt-music-views{height:100%}
@container(max-width:600px){.transport-row .loop-strip{flex-direction:row;align-items:center}.transport-row .loop-points{flex-basis:100%;margin-left:0}.playback-island{gap:8px}.playback-island .transport-primary{gap:7px}.playback-island .transport-bookmarks{gap:3px;padding-left:3px}}
@container(max-width:370px){.playback-island{gap:4px;padding:0}.playback-island .transport-primary{gap:3px}.playback-island [data-command=previous]{margin-right:3px}.playback-island [data-command=next]{margin-left:3px}.playback-island .transport-bookmarks{gap:0;padding:0}.loop-prefix{font-size:9px;gap:3px}.loop-prefix mt-icon{width:12px}.transport-row .loop-strip{gap:2px}}
.display-popover{position:fixed;inset:auto;margin:0;max-height:calc(100dvh - 24px);overflow:auto;overscroll-behavior:contain}
.display-popover[hidden]{display:none}
.fullscreen-dialog-shade{position:absolute;inset:0;z-index:199;background:#0b141b70;backdrop-filter:blur(5px)}
.choice-dialog.fullscreen-dialog[open]{position:absolute;inset:auto;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;z-index:200;max-height:calc(100% - 32px);overflow:auto}

/* Fullscreen feedback sits below transport, never over the score or seeker. */
.player-card:is(:fullscreen,.expanded-player)>.toast-region{position:relative;inset:auto;transform:none;align-self:center;flex:none;margin:0 auto 6px;max-width:calc(100% - 24px)}
.player-card:is(:fullscreen,.expanded-player)>.toast-region:empty{display:none}

/* Account has its own dropdown; practice preferences stay in Settings. */
mt-account-menu{display:block;position:relative}
.account-menu>summary{list-style:none;cursor:pointer;min-width:44px;min-height:44px;justify-content:center;border-radius:8px;padding:0 9px;gap:7px}
.account-menu>summary::-webkit-details-marker{display:none}
.account-menu>summary:focus-visible{outline:2px solid var(--accent-strong);outline-offset:4px}
.account-menu[open]>summary,.account-menu>summary:hover{background:var(--surface-2);color:var(--text)}
.account-button.is-signed-in>mt-icon:first-child{color:var(--accent-strong)}
.account-button>mt-icon[name=chevron-down]{width:11px;height:11px}
.account-dropdown{position:absolute;top:calc(100% + 12px);right:0;width:310px;max-width:calc(100vw - 28px);max-height:calc(100dvh - 100px);overflow:auto;overscroll-behavior:contain;padding:20px;border:1px solid var(--border);border-radius:12px;background:var(--surface);box-shadow:0 12px 40px #0002;color:var(--text);text-align:left}
.account-dropdown h2{font-size:14px;letter-spacing:0}
.account-status{font-size:12px;margin-top:10px;overflow-wrap:anywhere;font-weight:550}
.account-description{font-size:12px;line-height:1.65;color:var(--muted);margin-top:7px}
.account-actions{display:grid;gap:7px;margin-top:16px}.account-actions:has(>button:not([hidden])){border-top:1px solid var(--border);padding-top:16px}
.account-actions .button{width:100%;white-space:normal}.account-actions [data-action=sign-in]{gap:10px}.account-actions mt-icon[name=google]{width:18px;height:18px}
@media(max-width:650px){.account-button>span,.account-button>mt-icon[name=chevron-down]{display:none}.account-menu>summary{padding:0}.account-button>mt-icon:first-child{width:19px;height:19px}.account-dropdown{position:fixed;top:80px;right:14px}}

/* Welcome content determines its height instead of being clipped to 16:9. */
.practice-displays mt-video-player:not(.has-video) .video-stage:has(.player-empty:not([hidden])){aspect-ratio:auto;height:auto;min-height:360px;max-height:none}
.practice-displays .player-empty:not([hidden]){position:relative;inset:auto;min-height:inherit;padding:32px 20px}
.player-empty>.piano-art,.player-empty>.button,.player-empty>.demo-link{flex-shrink:0}
.player-empty .piano-art{max-width:100%}
@media(max-width:650px){.practice-displays mt-video-player:not(.has-video) .video-stage:has(.player-empty:not([hidden])){min-height:340px}.practice-displays .player-empty:not([hidden]){padding:28px 16px}.player-empty h2{font-size:clamp(20px,5.5vw,25px);max-width:100%}.player-empty p{max-width:100%;line-height:1.6}.player-empty .piano-art{width:225px;height:80px;margin-bottom:20px;transform:none}.player-empty .keyboard-art{height:48px}.stage-eyebrow{font-size:7px;letter-spacing:1.6px}.player-empty .demo-link{min-height:44px;margin-top:4px}}


/* Mobile playback keeps full-size controls, with bookmark actions on their own row. */
@container(max-width:600px){
  .playback-island{width:100%;flex-wrap:wrap;justify-content:center;gap:4px;padding:0}
  .playback-island .transport-primary{width:100%;justify-content:center;gap:4px}
  .playback-island .transport-primary .icon-button{width:44px;min-width:44px;height:46px;padding:5px}
  .playback-island .transport-primary .icon-button mt-icon{width:30px;height:28px}
  .playback-island .play-button{width:52px;height:52px}
  .playback-island [data-command=previous],.playback-island [data-command=next]{margin:0}
  .playback-island .transport-bookmarks{justify-content:center;gap:8px;padding:0}
  .playback-island .transport-bookmarks .icon-button{width:44px;min-width:44px;height:44px;padding:5px}
  .playback-island .transport-bookmarks .icon-button mt-icon{width:30px;height:28px}
}
@container(max-width:320px){
  .playback-island .transport-primary{gap:2px}
  .playback-island .transport-primary .icon-button{width:40px;min-width:40px}
  .playback-island .play-button{width:48px;height:48px}
}