@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@400;500;600;700&display=swap";
:root{--primary:#2a6f77;--primary-light:#3d99a3;--primary-dark:#1d545b;--primary-gradient:linear-gradient(105deg, #1d7d84 0%, #2a8fc4 100%);--accent:#1d9e8f;--accent-light:#4db8ab;--accent-dark:#157f72;--accent-gradient:linear-gradient(135deg, #1d9e8f 0%, #4db8ab 100%);--speech:#1d9e8f;--speech-light:#4db8ab;--speech-gradient:linear-gradient(135deg, #1d9e8f 0%, #2ab3a3 100%);--swallow:#2a8fc4;--swallow-light:#5aacd6;--swallow-gradient:linear-gradient(135deg, #2a8fc4 0%, #5aacd6 100%);--purple:#7a63c9;--amber:#c98a2e;--bg:#f5f8f8;--bg-card:#fff;--bg-elevated:#fff;--bg-secondary:#eef5f5;--text-primary:#12333a;--text-secondary:#5c7276;--text-tertiary:#62787c;--border:#e2eaeb;--border-light:#edf3f3;--nav-bg:#ffffffeb;--overlay:#0d1a1d8c;--success:#1d9e8f;--warning:#c98a2e;--danger:#e05d5d;--info:#2a8fc4;--shadow-sm:0 1px 3px #050f110f;--shadow-md:0 4px 12px #050f1114;--shadow-lg:0 8px 30px #050f111f;--shadow-card:none;--shadow-button:0 4px 14px #1d7d8447;--nav-height:70px;--page-padding:20px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s cubic-bezier(.4, 0, .2, 1)}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0c1719;--bg-card:#142528;--bg-elevated:#1a3034;--bg-secondary:#112022;--text-primary:#e5efef;--text-secondary:#a7bcbe;--text-tertiary:#82989b;--border:#24393d;--border-light:#1c2f32;--nav-bg:#0d1a1deb;--overlay:#0009;--shadow-sm:0 1px 3px #00000059;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 30px #00000080;--shadow-card:0 2px 8px #00000059, 0 0 1px #00000080;--shadow-button:0 4px 14px #00000073}html[data-theme=dark] .exercise-illustration{background:linear-gradient(135deg,#1a3034 0%,#142528 100%)}html[data-theme=dark] .waveform-canvas{background:linear-gradient(#16292c 0%,#112022 100%)}html[data-theme=dark] 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