:root{--bg-light: #fafafa;--bg-light-alt: #f5f5f7;--bg-light-elevated: #ffffff;--text-on-light: #1d1d1f;--text-on-light-2: #6e6e73;--text-on-light-3: #86868b;--border-light: #d2d2d7;--bg-dark: #1d1d1f;--bg-dark-deep: #000000;--bg-dark-elevated: #2d2d2f;--text-on-dark: #f5f5f7;--text-on-dark-2: #a1a1a6;--text-on-dark-3: #6e6e73;--border-dark: #424245;--accent: #7EC8E3;--accent-hover: #5BA3C9;--accent-subtle: rgba(126, 200, 227, .1);--accent-glow: rgba(126, 200, 227, .25);--module-1: #7EC8E3;--module-2: #B8B8E8;--module-3: #95D5B2;--module-4: #F0B27A;--data-blue: #7EC8E3;--data-green: #95D5B2;--data-purple: #B8B8E8;--data-orange: #F0B27A;--data-red: #E07A7A;--data-yellow: #F0D264;--data-pink: #E8A0BF;--data-teal: #6BC5D2;--color-success: #34C759;--color-warning: #FF9500;--color-error: #FF3B30;--font-display: "Playfair Display", "Noto Serif SC", Georgia, serif;--font-heading: "Inter", "Noto Sans SC", -apple-system, sans-serif;--font-body: "Noto Sans SC", "Inter", -apple-system, sans-serif;--font-code: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--text-hero: clamp(3rem, 6vw, 5rem);--text-display: clamp(2.5rem, 5vw, 4.5rem);--text-title: clamp(1.75rem, 3vw, 2.5rem);--text-heading: clamp(1.25rem, 2vw, 1.75rem);--text-body: clamp(1rem, 1.2vw, 1.25rem);--text-small: .875rem;--text-caption: .75rem;--text-stat: clamp(3rem, 8vw, 7rem);--w-reading: 680px;--w-content: 960px;--w-full: 1200px;--space-xs: 8px;--space-sm: 16px;--space-md: 24px;--space-lg: 48px;--space-xl: 80px;--space-2xl: 120px;--space-3xl: 200px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.08);--shadow-lg: 0 12px 40px rgba(0,0,0,.12);--shadow-hover: 0 20px 60px rgba(0,0,0,.15);--shadow-glow: 0 4px 24px var(--accent-glow);--shadow-dark: 0 4px 16px rgba(0,0,0,.4);--ease-apple: cubic-bezier(.25, .46, .45, .94);--ease-out: cubic-bezier(.16, 1, .3, 1);--t-fast: .2s var(--ease-apple);--t-base: .35s var(--ease-apple);--t-slow: .6s var(--ease-apple)}@media(max-width:768px){:root{--space-xl: 48px;--space-2xl: 64px;--space-3xl: 80px}}@media(max-width:480px){:root{--space-xl: 32px;--space-2xl: 48px;--space-3xl: 56px}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--font-body);font-size:var(--text-body);font-weight:400;line-height:1.8;color:var(--text-on-light);background:var(--bg-light);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}@media(max-width:768px){body{font-size:16px;line-height:1.6}}.page-scroll{overflow-x:hidden;width:100%}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.1;letter-spacing:-.02em}h1{font-size:var(--text-display)}h2{font-size:var(--text-title)}h3{font-size:var(--text-heading)}h4{font-size:var(--text-body);font-weight:600}h5{font-size:var(--text-small);font-weight:600}h6{font-size:var(--text-caption);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.subtitle{font-family:var(--font-heading);font-weight:300;line-height:1.4;color:var(--text-on-light-2)}.section-dark .subtitle{color:var(--text-on-dark-2)}.stat-number{font-family:var(--font-display);font-size:var(--text-stat);font-weight:700;line-height:1.1;letter-spacing:-.02em}p{max-width:var(--w-reading)}.section-dark p{color:var(--text-on-dark-2)}a{color:var(--accent);text-decoration:none;transition:color var(--t-fast)}a:hover{color:var(--accent-hover)}strong{font-weight:600}img,svg{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}hr{border:none;height:1px;background:var(--border-light);margin:var(--space-lg) 0}.section-dark hr{background:var(--border-dark)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-on-light-3);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-on-light-2)}::selection{background:#7ec8e34d;color:var(--text-on-light)}.section-dark ::selection{color:var(--text-on-dark)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:14px 32px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-full);font-family:var(--font-heading);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--t-base);box-shadow:0 2px 12px var(--accent-glow);min-height:44px;min-width:44px}.btn-primary:hover{transform:scale(1.03);box-shadow:0 6px 24px var(--accent-glow);background:var(--accent-hover)}.btn-primary:active{transform:scale(.97)}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:14px 32px;background:transparent;color:var(--accent);border:1.5px solid var(--accent);border-radius:var(--radius-full);font-family:var(--font-heading);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--t-base);min-height:44px;min-width:44px}.btn-ghost:hover{background:var(--accent-subtle)}.btn-ghost:active{background:var(--accent-subtle);transform:scale(.97)}.btn-outline-light{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:14px 32px;background:transparent;color:var(--text-on-dark-2);border:1.5px solid rgba(255,255,255,.25);border-radius:var(--radius-full);font-family:var(--font-heading);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--t-base);min-height:44px;min-width:44px}.btn-outline-light:hover{border-color:#fff9;color:var(--text-on-dark);background:#ffffff0f}.btn-outline-light:active{transform:scale(.97)}.btn-small{padding:8px 20px;font-size:var(--text-small);min-height:36px}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border-radius:var(--radius-sm);color:var(--text-on-light-2);transition:all var(--t-fast)}.btn-icon:hover{background:var(--bg-light-alt);color:var(--text-on-light)}.section-dark .btn-icon{color:var(--text-on-dark-2)}.section-dark .btn-icon:hover{background:var(--bg-dark-elevated);color:var(--text-on-dark)}.btn-primary:disabled,.btn-ghost:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.tag{display:inline-block;padding:4px 12px;font-size:var(--text-caption);font-weight:500;border-radius:var(--radius-full);background:var(--accent-subtle);color:var(--accent);line-height:1.4}.tag-m1{background:#7ec8e326;color:var(--module-1)}.tag-m2{background:#b8b8e826;color:var(--module-2)}.tag-m3{background:#95d5b226;color:var(--module-3)}.tag-m4{background:#f0b27a26;color:var(--module-4)}.tag-success{background:#34c7591f;color:var(--color-success)}.tag-warning{background:#ff95001f;color:var(--color-warning)}.tag-error{background:#ff3b301f;color:var(--color-error)}pre{font-family:var(--font-code);font-size:14px;line-height:1.6;background:var(--bg-dark);color:var(--text-on-dark);padding:var(--space-md);border-radius:var(--radius-md);overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word;max-width:100%}code{font-family:var(--font-code);font-size:.9em;background:var(--accent-subtle);color:var(--accent-hover);padding:2px 6px;border-radius:4px}pre code{background:none;color:inherit;padding:0}.section-dark code{background:#7ec8e326;color:var(--accent)}.section-dark pre code{background:none;color:inherit}@media(max-width:768px){pre,.cm-editor{font-size:13px;overflow-x:auto;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word}}.input{display:block;width:100%;padding:10px 16px;font-size:1rem;border:1.5px solid var(--border-light);border-radius:var(--radius-sm);background:var(--bg-light-elevated);color:var(--text-on-light);transition:border-color var(--t-fast),box-shadow var(--t-fast);min-height:44px}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}.input::placeholder{color:var(--text-on-light-3)}.section-dark .input{background:var(--bg-dark-elevated);border-color:var(--border-dark);color:var(--text-on-dark)}.section-dark .input::placeholder{color:var(--text-on-dark-3)}.section-dark .input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}textarea.input{min-height:120px;resize:vertical;line-height:1.6}.input-number{-moz-appearance:textfield}.input-number::-webkit-outer-spin-button,.input-number::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.select{display:block;width:100%;padding:10px 40px 10px 16px;font-size:1rem;border:1.5px solid var(--border-light);border-radius:var(--radius-sm);background:var(--bg-light-elevated) url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2386868b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 16px center;color:var(--text-on-light);appearance:none;-webkit-appearance:none;cursor:pointer;transition:border-color var(--t-fast);min-height:44px}.select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}.section-dark .select{background-color:var(--bg-dark-elevated);border-color:var(--border-dark);color:var(--text-on-dark);background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}.range{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:var(--border-light);border-radius:var(--radius-full);outline:none;cursor:pointer}.range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;background:var(--accent);border-radius:50%;border:none;box-shadow:0 1px 4px #0003;cursor:pointer;transition:transform var(--t-fast),box-shadow var(--t-fast)}.range::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 2px 8px var(--accent-glow)}.range::-moz-range-thumb{width:20px;height:20px;background:var(--accent);border-radius:50%;border:none;box-shadow:0 1px 4px #0003;cursor:pointer}.section-dark .range{background-color:var(--border-dark)}@media(max-width:768px){.range{height:6px;min-height:32px}.range::-webkit-slider-thumb{width:24px;height:24px}.range::-moz-range-thumb{width:24px;height:24px}}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-md);border:1px solid var(--border-light)}.section-dark .table-wrapper{border-color:var(--border-dark)}table{width:100%;border-collapse:collapse;font-size:var(--text-small)}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-light)}th{font-weight:600;color:var(--text-on-light-2);font-size:var(--text-caption);text-transform:uppercase;letter-spacing:.05em;background:var(--bg-light-alt)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg-light-alt)}.section-dark th{color:var(--text-on-dark-2);background:var(--bg-dark-elevated);border-bottom-color:var(--border-dark)}.section-dark td{color:var(--text-on-dark);border-bottom-color:var(--border-dark)}.section-dark tr:hover td{background:var(--bg-dark-elevated)}.divider{height:1px;background:var(--border-light);margin:var(--space-lg) 0;border:none}.section-dark .divider{background:var(--border-dark)}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:600;color:#fff;background:var(--accent);border-radius:var(--radius-full);line-height:1}.color-swatch{display:inline-block;width:48px;height:48px;border-radius:var(--radius-sm);border:1px solid rgba(0,0,0,.1);flex-shrink:0}.color-swatch-lg{width:80px;height:80px;border-radius:var(--radius-md)}.copy-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;font-size:var(--text-small);font-family:var(--font-heading);font-weight:500;color:var(--text-on-dark-2);background:var(--bg-dark-elevated);border:1px solid var(--border-dark);border-radius:var(--radius-full);cursor:pointer;transition:all var(--t-fast);min-height:36px;white-space:nowrap}.copy-btn:hover{color:var(--text-on-dark);border-color:var(--accent);background:#7ec8e31a}.copy-btn:active{transform:scale(.95)}.copy-btn.copy-success{color:var(--color-success, #34c759);border-color:var(--color-success, #34c759);background:#34c7591a}.copy-btn.copy-error{color:var(--color-error, #ff3b30);border-color:var(--color-error, #ff3b30);background:#ff3b301a}.section-light .copy-btn{color:var(--text-on-light-2);background:var(--bg-light-elevated);border-color:var(--border-light)}.section-light .copy-btn:hover{color:var(--text-on-light);border-color:var(--accent);background:var(--accent-subtle)}.code-editor-wrapper{position:relative;border-radius:12px;overflow:hidden}.code-editor-readonly-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0000004d;z-index:10;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.code-editor-readonly-overlay .edit-btn{padding:10px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-full);font-size:var(--text-small);font-family:var(--font-heading);font-weight:500;cursor:pointer;min-height:44px;transition:all var(--t-fast)}.code-editor-readonly-overlay .edit-btn:active{transform:scale(.95)}.chart-preview-wrapper{border-radius:12px;overflow:hidden}.chart-svg{display:block}.lang-switch.active{background:var(--accent);color:#fff;border-color:var(--accent)}.lang-switch.active:hover{background:var(--accent-hover)}.tab-switcher{display:inline-flex;position:relative;gap:0;background:var(--bg-dark-elevated);border-radius:var(--radius-sm);padding:3px;border:1px solid var(--border-dark)}.section-light .tab-switcher{background:var(--bg-light-alt);border-color:var(--border-light)}.tab-switcher__tab{position:relative;z-index:1;padding:8px 20px;border:none;background:none;font-family:var(--font-heading);font-size:var(--text-small);font-weight:500;color:var(--text-on-dark-3);cursor:pointer;transition:color var(--t-fast);min-height:36px;border-radius:6px;white-space:nowrap}.section-light .tab-switcher__tab{color:var(--text-on-light-3)}.tab-switcher__tab.active{color:var(--text-on-dark)}.section-light .tab-switcher__tab.active{color:var(--text-on-light)}.tab-switcher__tab:hover:not(.active){color:var(--text-on-dark-2)}.section-light .tab-switcher__tab:hover:not(.active){color:var(--text-on-light-2)}.tab-switcher__indicator{position:absolute;top:3px;bottom:3px;background:var(--accent);border-radius:6px;transition:all .3s cubic-bezier(.16,1,.3,1);z-index:0;opacity:.15}.tab-switcher--pill{border-radius:var(--radius-full);padding:4px}.tab-switcher--pill .tab-switcher__tab{border-radius:var(--radius-full);padding:8px 24px}.tab-switcher--pill .tab-switcher__indicator{border-radius:var(--radius-full);top:4px;bottom:4px}@media(max-width:768px){.tab-switcher{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;max-width:100%}.tab-switcher::-webkit-scrollbar{display:none}.tab-switcher__tab{flex-shrink:0;padding:8px 14px;font-size:.8rem}.tab-switcher--pill .tab-switcher__tab{padding:8px 16px}}.modal-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--space-md)}.modal-container{background:var(--bg-dark-elevated);border-radius:var(--radius-lg);max-width:560px;width:100%;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 24px 80px #00000080;border:1px solid var(--border-dark)}.modal-container--large{max-width:800px}.modal-container--fullscreen{max-width:none;max-height:none;width:100%;height:100%;border-radius:0}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-md) 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.accordion__item{border-bottom-color:var(--border-light)}.accordion__item:last-child{border-bottom:none}.accordion__header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--space-sm) var(--space-md);border:none;background:none;color:var(--text-on-dark);font-family:var(--font-heading);font-size:1rem;font-weight:500;cursor:pointer;min-height:52px;text-align:left;transition:background var(--t-fast)}.section-light .accordion__header{color:var(--text-on-light)}.accordion__header:hover{background:#ffffff0a}.section-light .accordion__header:hover{background:var(--bg-light-alt)}.accordion__icon{transition:transform .3s cubic-bezier(.16,1,.3,1);flex-shrink:0;color:var(--text-on-dark-3)}.section-light .accordion__icon{color:var(--text-on-light-3)}.accordion__item.expanded .accordion__icon{transform:rotate(180deg)}.accordion__content{overflow:hidden;height:0}.accordion__inner{padding:0 var(--space-md) var(--space-md);color:var(--text-on-dark-2);line-height:1.7}.section-light .accordion__inner{color:var(--text-on-light-2)}.before-after{position:relative;overflow:hidden;border-radius:var(--radius-md);cursor:col-resize;user-select:none;-webkit-user-select:none}.before-after__after,.before-after__before{width:100%;min-height:200px}.before-after__after{position:relative}.before-after__before{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.before-after__handle{position:absolute;top:0;bottom:0;z-index:2;width:2px;transform:translate(-50%)}.before-after__handle-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;transform:translate(-50%);box-shadow:0 0 8px #0000004d}.before-after__handle-grip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px 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var(--space-lg);min-height:auto}.home-footer-brand{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:700;color:var(--text-on-dark);letter-spacing:.02em;margin-bottom:var(--space-sm)}.home-footer-slogan{font-family:var(--font-body);font-size:var(--text-body);font-weight:300;color:var(--text-on-dark-3)}.search-modal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding-top:20vh;background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .2s var(--ease-apple)}.search-modal-overlay.active{opacity:1;pointer-events:auto}.search-modal{width:560px;max-width:calc(100vw - 32px);background:var(--bg-dark-elevated);border:1px solid var(--border-dark);border-radius:var(--radius-lg);box-shadow:0 24px 80px #00000080;overflow:hidden;transform:scale(.96) translateY(-8px);transition:transform .2s var(--ease-out)}.search-modal-overlay.active 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.m1p2-palette-card{background:var(--bg-light-elevated);border-color:var(--border-light)}.m1p2-palette-card:hover{border-color:var(--accent);box-shadow:var(--shadow-glow)}.m1p2-palette-name{font-family:var(--font-heading);font-size:var(--text-small);font-weight:600;color:var(--text-on-dark)}.section-light .m1p2-palette-name{color:var(--text-on-light)}.m1p2-palette-colors{display:flex;gap:4px;border-radius:var(--radius-sm);overflow:hidden;height:40px}.m1p2-palette-color{flex:1;min-width:0;transition:flex var(--t-fast);cursor:pointer;position:relative}.m1p2-palette-color:hover{flex:2}.m1p2-palette-actions{display:flex;gap:var(--space-xs);align-items:center}.m1p2-palette-actions .copy-btn,.m1p2-palette-actions .btn-small{flex-shrink:0}.m1p2-chart-preview{max-width:var(--w-content);margin:0 auto;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-dark-elevated);border:1px solid var(--border-dark);min-height:300px;position:relative}.section-light .m1p2-chart-preview{background:var(--bg-light-elevated);border-color:var(--border-light)}.m1p2-chart-preview svg{display:block;width:100%;height:auto}@media(max-width:768px){.m1-nav-footer{flex-direction:column;gap:var(--space-sm);text-align:center}.m1-nav-link{width:100%;justify-content:center}.m1p2-harmony-section{padding:var(--space-lg) var(--space-sm)}.m1p2-wheel-area{max-width:100%}.m1p2-harmony-swatches{gap:var(--space-xs)}.m1p2-swatch{width:48px;height:48px}.m1p2-rule-section{padding:var(--space-lg) var(--space-sm)}.m1p2-rule-bars{height:60px}.m1p2-deltae-section{padding:var(--space-lg) var(--space-sm)}.m1p2-deltae-inputs{flex-direction:column;align-items:center;gap:var(--space-md)}.m1p2-deltae-result{font-size:clamp(2.5rem,6vw,4rem)}.m1p2-palette-section{padding:var(--space-lg) var(--space-sm)}.m1p2-palette-list{max-height:400px;padding-right:0}.m1p2-palette-colors{height:32px}.m1p2-palette-actions{flex-wrap:wrap}.m1p2-chart-preview{min-height:220px}}@media(max-width:480px){.m1p2-swatch{width:40px;height:40px}.m1p2-swatch-hex{font-size:10px}.m1p2-rule-bars{height:48px}.m1p2-rule-label{font-size:var(--text-caption)}.m1p2-palette-card{padding:var(--space-sm)}}