:root{color-scheme:dark;font-family:DM Sans,Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#e2e8f0;background-color:#0a0a0f;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg-deep:#050508;--bg-base:#0a0a0f;--bg-elevated:#12121a;--bg-surface:#16161f;--bg-surface-hover:#1a1a25;--border-subtle:rgba(255,255,255,0.06);--border-glow:rgba(255,255,255,0.1);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#eab308;--accent-dim:#a16207;--accent-glow:rgba(234,179,8,0.25);--glass-bg:rgba(22,22,31,0.7);--glass-border:rgba(255,255,255,0.08)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse 120% 80% at 50% -20%,rgba(234,179,8,.08),transparent 50%),radial-gradient(ellipse 80% 50% at 80% 100%,rgba(99,102,241,.04),transparent 40%),linear-gradient(180deg,#0a0a0f,#050508)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.app{max-width:1200px;margin:0 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1;min-width:0}.app-tab-panel>.lesson-section:first-child{padding-top:0}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:20px;gap:20px}.card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:28px;border-radius:18px;border:1px solid var(--glass-border);box-shadow:inset 0 0 0 1px rgba(255,255,255,.03),0 20px 40px -16px rgba(0,0,0,.4)}.card-title{font-size:20px;font-weight:600;margin:0;color:var(--text-primary)}.card-subtitle{color:var(--text-secondary);margin:0}.practice-plan-card{display:flex;flex-direction:column;gap:20px}.practice-plan-guest-copy{margin:0;line-height:1.5}.practice-plan-section{display:flex;flex-direction:column;gap:4px}.practice-plan-match-count{margin:0;font-size:.95rem;line-height:1.5;color:var(--text-secondary)}.practice-plan-match-count 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12px;border-radius:999px;background:var(--bg-surface);color:var(--text-primary);font-size:12px;font-weight:600;border:1px solid var(--glass-border)}.pill-muted{background:rgba(255,255,255,.08);color:var(--text-secondary)}.auth-dropdown{position:relative}.auth-dropdown-trigger{display:inline-flex;align-items:center;padding:8px 14px;font-size:13px}@keyframes auth-dropdown-guest-pulse{0%,to{box-shadow:0 4px 16px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.2),0 0 0 0 rgba(234,179,8,.25)}50%{box-shadow:0 6px 24px rgba(234,179,8,.42),inset 0 1px 0 rgba(255,255,255,.22),0 0 0 4px rgba(234,179,8,.35),0 0 32px rgba(234,179,8,.5)}}.auth-dropdown--guest-prompt .auth-dropdown-trigger.primary-button{animation:auth-dropdown-guest-pulse 2.2s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.auth-dropdown--guest-prompt .auth-dropdown-trigger.primary-button{animation:none;box-shadow:0 4px 16px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.2),0 0 0 2px rgba(234,179,8,.4)}}.auth-dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:160px;padding:8px;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:12px;border:1px solid var(--glass-border);box-shadow:inset 0 0 0 1px rgba(255,255,255,.03),0 12px 24px -8px rgba(0,0,0,.5);z-index:50}.auth-dropdown-item{display:block;width:100%;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-primary);background:none;border:none;cursor:pointer;text-align:left;text-decoration:none;transition:background .15s}.auth-dropdown-item:hover{background:var(--bg-surface-hover)}.ghost-button,.primary-button{border:none;padding:10px 18px;border-radius:12px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.primary-button{background:linear-gradient(145deg,var(--accent),var(--accent-dim));color:#0a0a0f;border:1px solid rgba(234,179,8,.3);box-shadow:0 4px 16px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.2)}.ghost-button{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--glass-border);box-shadow:inset 0 0 0 1px rgba(255,255,255,.02)}.ghost-button:hover,.primary-button:hover{transform:translateY(-1px)}.ghost-button:hover{border-color:rgba(255,255,255,.15);background:var(--bg-surface-hover)}.primary-button:hover{box-shadow:0 6px 24px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.25)}.checklist{margin:0;padding-left:18px;color:var(--text-secondary);display:flex;flex-direction:column;gap:8px}.footer{text-align:center;color:var(--text-muted);font-weight:500}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.modal-overlay.modal-overlay-portal{z-index:10000}.modal-content{position:relative;background:var(--bg-surface);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:20px;padding:32px;max-width:420px;width:100%;border:1px solid var(--glass-border);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04),0 24px 48px -12px rgba(0,0,0,.6);text-align:center}.modal-content h2{margin:0 0 12px;font-size:24px;color:var(--text-primary)}.modal-description{color:var(--text-secondary);margin:0 0 16px;line-height:1.5}.modal-bpm{font-size:18px;font-weight:700;color:var(--accent);margin:0 0 24px}.modal-countdown-wrapper{position:relative;padding-bottom:140px;margin-top:8px}.modal-countdown{font-size:28px;font-weight:700;color:var(--text-primary);margin:0}.modal-countdown-diamond{position:absolute;bottom:0;left:50%;transform:translate(-50%,65%) rotate(45deg);width:88px;height:88px;background:#000;border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 24px rgba(0,0,0,.6)}.modal-countdown-diamond .modal-countdown-number{transform:rotate(-45deg)}.modal-countdown-number{display:block;min-width:2ch;text-align:center;font-size:48px;font-weight:800;line-height:1;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--accent);text-shadow:0 0 24px var(--accent-glow);animation:countdown-pulse 1s ease-in-out infinite}@keyframes countdown-pulse{0%,to{transform:rotate(-45deg) scale(1);opacity:1}50%{transform:rotate(-45deg) scale(1.15);opacity:.9}}.modal-key .modal-iteration{font-size:14px;color:var(--text-muted);margin:0 0 8px}.modal-key .modal-key-display{font-size:32px;font-weight:700;color:var(--accent);margin:0 0 16px}.modal-rating h2{margin-bottom:24px}.modal-rating-options{display:flex;flex-direction:column;gap:12px}.modal-rating-options .ghost-button,.modal-rating-options .primary-button{width:100%}.modal-settings{text-align:left}.modal-settings h2{margin-bottom:24px}.modal-song-dialog{max-width:min(520px,100%);max-height:min(90vh,900px);overflow-y:auto}.modal-song-dialog .settings-field input[type=text],.modal-song-dialog .settings-field input[type=url]{padding:10px 14px;border-radius:10px;border:1px solid var(--glass-border);background:var(--bg-elevated);color:var(--text-primary);font-size:16px}.modal-song-dialog .songs-dialog-form-actions{margin-top:8px}.modal-tag-dialog{max-width:min(440px,100%);max-height:min(90vh,820px);overflow-y:auto}.modal-tag-dialog .settings-field input[type=text]{padding:10px 14px;border-radius:10px;border:1px solid var(--glass-border);background:var(--bg-elevated);color:var(--text-primary);font-size:16px}.modal-tag-dialog .tags-dialog-form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.tags-dialog-cancel-btn{border-color:rgba(255,255,255,.15)}.songs-library-toolbar,.tags-library-toolbar{display:flex;flex-wrap:wrap;justify-content:flex-end;margin-bottom:16px}.songs-add-open-btn,.tags-add-open-btn{white-space:nowrap;background:linear-gradient(145deg,#22c55e,#15803d);border-color:rgba(34,197,94,.5);color:#f0fdf4}.songs-add-open-btn:focus-visible:not(:disabled),.songs-add-open-btn:hover:not(:disabled),.tags-add-open-btn:focus-visible:not(:disabled),.tags-add-open-btn:hover:not(:disabled){border-color:rgba(134,239,172,.75);color:#fff}.settings-form{gap:20px}.settings-field,.settings-form{display:flex;flex-direction:column}.settings-field{gap:8px}.settings-field label{font-weight:600;color:var(--text-primary)}.settings-field input[type=number],.settings-field select{padding:10px 14px;border-radius:10px;border:1px solid var(--glass-border);background:var(--bg-elevated);color:var(--text-primary);font-size:16px}.settings-field select{min-width:180px}.settings-field input[type=number]{max-width:120px}.settings-hint{font-size:13px;color:var(--text-muted);margin:0;line-height:1.4}.settings-actions{margin-top:8px}.practise-status{margin:10px 0 0;padding:14px 18px;background:rgba(234,179,8,.12);border-radius:12px;color:var(--accent);font-weight:600;border:1px solid rgba(61,60,59,.2)}.tags-intro{margin:0;color:var(--text-secondary);max-width:52ch}.tags-empty,.tags-status{margin:0;color:var(--text-muted)}.tags-form-error{margin:0;font-size:14px;color:#f87171}.tags-table .tags-level-col{width:5rem;text-align:center}.tags-name-code{font-family:ui-monospace,Cascadia Code,Segoe UI Mono,monospace;font-size:.95em;padding:2px 8px;border-radius:8px;background:rgba(0,0,0,.25);border:1px solid var(--border-subtle)}.songs-intro{margin:0;color:var(--text-secondary);max-width:56ch}.songs-inline-link{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.songs-inline-link:hover{color:#86efac}.songs-status{margin:0;color:var(--text-muted)}.songs-form{max-width:520px}.songs-tag-fieldset{margin:0;padding:16px 18px 14px;border:1px solid var(--glass-border);border-radius:14px;background:rgba(0,0,0,.12)}.songs-tag-fieldset legend{padding:0 8px;font-weight:600;color:var(--text-primary)}.songs-tags-empty-hint{margin:0;font-size:14px;color:var(--text-muted)}.songs-tag-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 18px}.songs-tag-choice{display:inline-flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-secondary);font-size:.95rem}.songs-tag-choice input{width:1rem;height:1rem;accent-color:#22c55e}.songs-tag-level{font-size:.85em;color:var(--text-muted)}.songs-form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}.songs-cancel-btn{border-color:rgba(255,255,255,.15)}.songs-empty-msg,.songs-empty-state{margin-top:8px}.songs-empty-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.songs-import-starters-btn{border-color:rgba(255,200,87,.45)}.songs-import-error{margin-top:10px}.songs-table .songs-artist-col{max-width:160px;min-width:100px}.songs-artist-cell{max-width:180px}.songs-artist-text{color:var(--text-secondary);font-size:.94rem}.songs-table .songs-status-col{min-width:7.5rem;max-width:10rem}.songs-status-cell{vertical-align:middle}.songs-status-text{font-size:.9rem;color:var(--text-secondary)}.songs-table .songs-links-col{min-width:8.5rem}.songs-links-cell{vertical-align:middle}.songs-resource-links{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center}.songs-resource-link{font-size:.9rem;font-weight:500;color:#86efac;text-decoration:none;border-bottom:1px solid rgba(34,197,94,.45)}.songs-resource-link:not(.songs-resource-link--disabled):hover{color:#bbf7d0;border-bottom-color:rgba(134,239,172,.8)}.songs-resource-link--disabled{color:var(--text-muted);border-bottom-color:transparent;cursor:not-allowed;opacity:.5;font-weight:400}.songs-table .songs-tags-col{min-width:120px}.songs-title-plain{color:var(--text-primary);font-weight:600}.songs-tags-badges{display:flex;flex-wrap:wrap;gap:6px}.songs-tag-badge{font-family:ui-monospace,Cascadia Code,Segoe UI Mono,monospace;font-size:.82rem;padding:2px 8px;border-radius:8px;background:rgba(0,0,0,.25);border:1px solid var(--border-subtle)}.songs-no-tags{color:var(--text-muted)}.songs-row-actions,.tags-row-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.songs-action-icon-btn,.tags-action-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:2.35rem;height:2.35rem;min-width:2.35rem;padding:0;border-radius:10px}.songs-action-icon-btn svg,.tags-action-icon-btn svg{width:1.125rem;height:1.125rem;flex-shrink:0}.songs-action-edit-btn{border-color:rgba(255,255,255,.18);color:var(--text-secondary)}.songs-action-edit-btn:focus-visible:not(:disabled),.songs-action-edit-btn:hover:not(:disabled){color:var(--text-primary);border-color:rgba(255,255,255,.35)}.songs-action-delete-btn,.tags-action-delete-btn{border-color:rgba(248,113,113,.45);color:#fecaca}.songs-action-delete-btn:focus-visible:not(:disabled),.songs-action-delete-btn:hover:not(:disabled),.tags-action-delete-btn:focus-visible:not(:disabled),.tags-action-delete-btn:hover:not(:disabled){border-color:rgba(248,113,113,.85);color:#fef2f2}.songs-delete-spinner,.tags-delete-spinner{animation:songs-spin .7s linear infinite}@keyframes songs-spin{to{transform:rotate(1turn)}}.hero h1,.page-header h1{color:var(--text-primary);margin:12px 0 0;font-size:clamp(1.5rem,4vw,2rem);font-weight:700}@media (max-width:720px){.hero{padding:24px}}