:root{--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--bg-base: #0a0d14;--bg-surface: rgba(18, 24, 38, .75);--bg-surface-hover: rgba(28, 36, 56, .85);--bg-card: #111726;--border-color: rgba(255, 255, 255, .08);--border-focus: rgba(139, 92, 246, .5);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #8b5cf6;--accent-hover: #7c3aed;--accent-glow: rgba(139, 92, 246, .35);--current-glow-color: #8b5cf6;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 8px 24px -4px rgba(0, 0, 0, .35);--shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, .5);--shadow-glow: 0 0 35px var(--accent-glow);--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.16, 1, .3, 1);--transition-bounce: .35s cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;color-scheme:dark;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:#1e293b;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#334155}input,button,select,textarea{font-family:inherit}code,pre,kbd{font-family:var(--font-mono)}kbd{display:inline-block;padding:2px 6px;font-size:.75rem;font-weight:600;color:#cbd5e1;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:4px;box-shadow:0 1px #0003}.app-layout{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:space-between;padding:2.5rem 1.5rem 2rem;max-width:1400px;margin:0 auto}.ambient-background{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:0;overflow:hidden}.glow-sphere{position:absolute;border-radius:50%;filter:blur(120px);opacity:.18;transition:background .8s ease,transform 1s ease}.glow-sphere-1{top:-10%;left:20%;width:600px;height:600px;background:radial-gradient(circle,var(--current-glow-color, #8b5cf6),transparent 70%)}.glow-sphere-2{bottom:5%;right:15%;width:500px;height:500px;background:radial-gradient(circle,var(--current-glow-color, #8b5cf6),transparent 70%);opacity:.12}.app-container{position:relative;z-index:1;width:100%}.hero-header{text-align:center;margin-bottom:2rem}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#8b5cf61f;border:1px solid rgba(139,92,246,.25);border-radius:var(--radius-full);font-size:.8rem;font-weight:600;color:#c4b5fd;margin-bottom:1rem;letter-spacing:.02em}.pulse-dot{width:7px;height:7px;background-color:#a78bfa;border-radius:50%;box-shadow:0 0 10px #a78bfa;animation:pulseDot 2s infinite ease-in-out}@keyframes pulseDot{0%,to{opacity:.4;transform:scale(.9)}50%{opacity:1;transform:scale(1.2)}}.hero-title{font-size:3.25rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;color:var(--text-primary);margin-bottom:.6rem}.gradient-text{background:linear-gradient(135deg,#a78bfa,#ec4899,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:580px;margin:0 auto;font-weight:400}.form-color-container{max-width:840px;margin:0 auto 2.5rem}.color-form-main{display:flex;flex-direction:column;align-items:center;gap:1.25rem}.input-group-unified{display:flex;align-items:center;width:100%;background:var(--bg-surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:6px 8px;box-shadow:var(--shadow-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input-group-unified:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 3px #8b5cf633,var(--shadow-md)}.color-picker-wrapper{position:relative;width:44px;height:44px;flex-shrink:0;border-radius:var(--radius-md);overflow:hidden;cursor:pointer;box-shadow:0 2px 6px #0000004d}.native-color-picker-input{position:absolute;top:-10px;left:-10px;width:64px;height:64px;opacity:0;cursor:pointer}.color-picker-preview{display:block;width:100%;height:100%;border-radius:inherit;border:2px solid rgba(255,255,255,.2);transition:transform var(--transition-fast)}.color-picker-wrapper:hover .color-picker-preview{transform:scale(1.05)}.text-input-wrapper{flex:1;padding:0 12px}.color-text-input{width:100%;background:transparent;border:none;outline:none;font-size:1.05rem;font-weight:600;color:var(--text-primary);font-family:var(--font-mono)}.color-text-input::placeholder{color:var(--text-muted);font-family:var(--font-sans);font-weight:400;font-size:.95rem}.btn-generate{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-lg);font-weight:600;font-size:.95rem;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);box-shadow:0 4px 14px #8b5cf666}.btn-generate:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px #8b5cf68c}.btn-generate:active{transform:translateY(0)}.btn-random{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;background:#ffffff0f;color:var(--text-primary);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);font-weight:600;font-size:.95rem;cursor:pointer;margin-left:6px;transition:all var(--transition-fast)}.btn-random:hover{background:#ffffff1f;border-color:#fff3;transform:translateY(-1px)}.btn-random:active{transform:translateY(0)}.form-settings-row{display:flex;align-items:center;gap:16px}.step-selector-wrap{display:flex;align-items:center;gap:10px;background:#ffffff08;padding:4px 10px;border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.05)}.setting-label{font-size:.82rem;color:var(--text-secondary);font-weight:500}.step-pill-group{display:flex;gap:4px}.step-pill{padding:3px 10px;background:transparent;border:none;border-radius:var(--radius-full);font-size:.8rem;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}.step-pill:hover{color:var(--text-primary)}.step-pill.active{background:#8b5cf640;color:#c4b5fd;border:1px solid rgba(139,92,246,.4)}.error-alert{display:flex;align-items:center;justify-content:center;gap:8px;background:#ef44441f;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:8px 16px;border-radius:var(--radius-md);margin-top:1rem;font-size:.85rem;text-align:center;animation:shake .4s ease-in-out}.error-alert code{background:#00000040;padding:1px 5px;border-radius:4px;font-weight:600;color:#fff}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}.preset-swatches-section{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:1.5rem}.presets-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:600}.preset-chips-container{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:760px}.preset-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-full);color:var(--text-secondary);font-size:.82rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.preset-chip:hover{background:#ffffff17;color:var(--text-primary);border-color:#fff3;transform:translateY(-1px)}.preset-chip.active{background:#ffffff24;border-color:#ffffff59;color:#fff;font-weight:600}.preset-color-dot{width:10px;height:10px;border-radius:50%;border:1px solid rgba(255,255,255,.3)}.display-color-section{width:100%}.palette-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);padding:10px 16px;border-radius:var(--radius-lg);margin-bottom:1.75rem;box-shadow:var(--shadow-sm)}.toolbar-left,.toolbar-right{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.filter-segmented-group{display:flex;background:#0000004d;padding:3px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05)}.filter-btn{padding:6px 12px;background:transparent;border:none;border-radius:var(--radius-sm);font-size:.82rem;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}.filter-btn:hover{color:var(--text-primary)}.filter-btn.active{background:#ffffff1f;color:#fff;box-shadow:0 2px 6px #0003}.format-toggle-group{display:flex;align-items:center;gap:4px;background:#00000040;padding:3px 6px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05)}.format-label{font-size:.75rem;color:var(--text-muted);margin-right:4px;padding-left:4px;font-weight:600}.format-btn{padding:4px 8px;background:transparent;border:none;border-radius:4px;font-size:.75rem;font-weight:700;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-mono)}.format-btn:hover{color:var(--text-primary)}.format-btn.active{background:#8b5cf64d;color:#d8b4fe}.btn-toolbar-action{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);font-size:.85rem;font-weight:600;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.btn-toolbar-action:hover{background:#ffffff1f;border-color:#fff3}.btn-toolbar-action.active{background:#8b5cf640;border-color:#8b5cf680;color:#c4b5fd}.btn-export-highlight{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff;box-shadow:0 3px 10px #8b5cf659}.btn-export-highlight:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.colors-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.single-card{height:190px;border-radius:var(--radius-lg);padding:14px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;position:relative;transition:transform var(--transition-normal),box-shadow var(--transition-normal);box-shadow:0 4px 12px #00000026;overflow:hidden;border:1px solid rgba(255,255,255,.08)}.single-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 16px 30px -8px var(--card-color),0 8px 16px #0000004d;z-index:2}.card-base-highlight{outline:3px solid #ffffff;outline-offset:-3px}.card-top-bar{display:flex;justify-content:space-between;align-items:center}.card-badge{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:3px 8px;border-radius:var(--radius-full);border:1px solid transparent}.badge-base{font-weight:800}.card-action-btn{border:none;background:transparent;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform var(--transition-fast),background var(--transition-fast)}.card-action-btn:hover{transform:scale(1.15)}.card-content-center{text-align:center;margin:auto 0}.card-hex-value{font-size:1.35rem;font-weight:800;font-family:var(--font-mono);letter-spacing:-.02em}.card-rgb-value{font-size:.78rem;font-family:var(--font-mono);margin-top:2px}.card-footer{display:flex;justify-content:center}.card-copy-pill{font-size:.75rem;font-weight:700;padding:5px 12px;border-radius:var(--radius-full);transition:transform var(--transition-fast)}.single-card:hover .card-copy-pill{transform:scale(1.04)}.copy-feedback-text{display:inline-flex;align-items:center;gap:5px}.ui-preview-section{background:var(--bg-surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:24px;margin-bottom:2rem;box-shadow:var(--shadow-lg);animation:slideDown .3s cubic-bezier(.16,1,.3,1)}@keyframes slideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.ui-preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.08)}.ui-preview-title{display:flex;align-items:center;gap:10px;color:var(--text-primary)}.ui-preview-title h3{font-size:1.15rem;font-weight:700}.ui-preview-close{background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:var(--text-secondary);padding:4px 12px;border-radius:var(--radius-md);font-size:.8rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.ui-preview-close:hover{background:#ffffff1f;color:var(--text-primary)}.ui-preview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.ui-mockup-card{padding:20px;border-radius:var(--radius-lg);border:1px solid transparent;display:flex;flex-direction:column;justify-content:space-between}.ui-mockup-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;width:fit-content;margin-bottom:12px}.ui-mockup-badge .dot{width:6px;height:6px;border-radius:50%}.ui-mockup-card h4{font-size:1.1rem;margin-bottom:6px}.ui-mockup-card p{font-size:.85rem;line-height:1.45;margin-bottom:16px}.ui-mockup-buttons{display:flex;gap:10px}.ui-btn-filled{padding:8px 16px;border-radius:var(--radius-md);border:none;font-weight:600;font-size:.85rem;cursor:pointer;transition:transform var(--transition-fast)}.ui-btn-filled:hover{transform:translateY(-1px)}.ui-btn-outlined{padding:8px 14px;border-radius:var(--radius-md);background:transparent;border:1px solid;font-weight:600;font-size:.85rem;cursor:pointer}.ui-stats-header{display:flex;justify-content:space-between;align-items:center}.ui-trend-badge{padding:2px 8px;border-radius:var(--radius-full);font-size:.75rem;font-weight:700}.ui-stat-value{font-size:1.8rem;font-weight:800;font-family:var(--font-mono);margin:10px 0}.ui-progress-bar-bg{width:100%;height:8px;background:#ffffff14;border-radius:var(--radius-full);overflow:hidden;margin-bottom:14px}.ui-progress-bar-fill{height:100%;border-radius:var(--radius-full)}.ui-pills-row{display:flex;gap:8px;flex-wrap:wrap}.ui-pill{padding:3px 8px;border-radius:6px;font-size:.75rem;font-family:var(--font-mono)}.ui-alert-header{display:flex;gap:12px;align-items:flex-start}.ui-alert-icon{width:32px;height:32px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:999;padding:1.5rem}.modal-card{background:#111728;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-xl);width:100%;max-width:650px;box-shadow:0 25px 50px -12px #000000b3;overflow:hidden;animation:modalPop .25s cubic-bezier(.16,1,.3,1)}@keyframes modalPop{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.modal-title-wrap{display:flex;align-items:center;gap:14px}.modal-icon-badge{width:40px;height:40px;border-radius:var(--radius-md);background:#8b5cf626;color:#a78bfa;display:flex;align-items:center;justify-content:center}.modal-title-wrap h3{font-size:1.2rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}.modal-title-wrap p{font-size:.82rem;color:var(--text-secondary)}.modal-close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.modal-close-btn:hover{background:#ffffff14;color:var(--text-primary)}.modal-tabs{display:flex;padding:12px 24px 0;gap:8px;border-bottom:1px solid rgba(255,255,255,.06)}.modal-tab{padding:8px 16px;background:transparent;border:none;border-bottom:2px solid transparent;font-size:.88rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.modal-tab:hover{color:var(--text-primary)}.modal-tab.active{color:#c4b5fd;border-bottom-color:var(--accent-primary)}.modal-code-wrapper{padding:18px 24px;background:#090d16}.modal-code{max-height:280px;overflow-y:auto;font-size:.85rem;line-height:1.55;color:#e2e8f0;background:#00000059;padding:16px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05)}.modal-actions{display:flex;justify-content:flex-end;gap:12px;padding:16px 24px;border-top:1px solid rgba(255,255,255,.08);background:#00000026}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;background:#ffffff0f;color:var(--text-primary);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);font-weight:600;font-size:.88rem;cursor:pointer;transition:all var(--transition-fast)}.btn-secondary:hover{background:#ffffff1f}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;font-size:.88rem;cursor:pointer;transition:background var(--transition-fast)}.btn-primary:hover{background:var(--accent-hover)}.toast-container{position:fixed;bottom:28px;left:50%;transform:translate(-50%) translateY(20px);opacity:0;pointer-events:none;z-index:1000;transition:transform var(--transition-bounce),opacity var(--transition-fast)}.toast-container.toast-show{opacity:1;transform:translate(-50%) translateY(0);pointer-events:auto}.toast-card{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#1e293b;color:#f8fafc;border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.15);box-shadow:var(--shadow-lg),0 0 20px #0006}.toast-color-dot{width:14px;height:14px;border-radius:50%;border:2px solid #ffffff;flex-shrink:0}.toast-content{display:flex;align-items:center;gap:6px}.toast-icon{color:#34d399}.toast-message{font-size:.88rem;font-weight:600}.app-footer{text-align:center;margin-top:3.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.05);color:var(--text-muted);font-size:.85rem}.app-footer strong{color:var(--text-secondary)}@media (max-width: 768px){.hero-title{font-size:2.3rem}.input-group-unified{flex-wrap:wrap;gap:8px}.text-input-wrapper{width:calc(100% - 60px)}.btn-generate,.btn-random{flex:1;justify-content:center;margin-left:0}.palette-toolbar{flex-direction:column;align-items:stretch}.toolbar-left,.toolbar-right{justify-content:center}.colors-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.single-card{height:165px}}