:root{--bg-base: #fafaf9;--bg-surface: #ffffff;--bg-surface-hover: #f4f4f2;--border-color: rgba(10, 10, 11, .08);--border-hover: rgba(10, 10, 11, .16);--text-primary: #0a0a0b;--text-secondary: #4a4a4f;--text-muted: #737378;--accent: #c2690a;--accent-hover: #9c5408;--accent-on: #0a0a0b;--accent-subtle: rgba(194, 105, 10, .08);--success: #0a7c2e;--danger: #c43232;--warning: #9c6808;--code-bg: #f4f4f2;--code-header: #ebebe8;--code-text: #1a1a1d;--code-attr: #9c5408;--code-val: #0a7c2e;--code-comment: #737378;--skeleton-start: rgba(10, 10, 11, .04);--skeleton-mid: rgba(10, 10, 11, .08);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 2px 8px rgba(0, 0, 0, .06);--tint-server-fg: #0a6aae;--tint-server-bg: rgba(10, 106, 174, .08);--tint-spam-fg: #c43232;--tint-spam-bg: rgba(196, 50, 50, .08);--tint-webhook-fg: #9c5408;--tint-webhook-bg: rgba(156, 84, 8, .08);--tint-upload-fg: #0a7c2e;--tint-upload-bg: rgba(10, 124, 46, .08)}[data-theme=dark]{--bg-base: #0a0a0b;--bg-surface: #141416;--bg-surface-hover: #1e1e21;--border-color: rgba(255, 255, 255, .06);--border-hover: rgba(255, 255, 255, .12);--text-primary: #fafafa;--text-secondary: #a0a0a5;--text-muted: #6b6b70;--accent: #d97706;--accent-hover: #e8901a;--accent-on: #0a0a0b;--accent-subtle: rgba(217, 119, 6, .08);--success: #2d9d5a;--danger: #d14343;--warning: #c88a23;--code-bg: #0d0d10;--code-header: #111115;--code-text: #c9cdd4;--code-attr: #e2a45e;--code-val: #8dbf8b;--code-comment: #6b6b70;--skeleton-start: rgba(255, 255, 255, .03);--skeleton-mid: rgba(255, 255, 255, .08);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 2px 8px rgba(0, 0, 0, .4);--tint-server-fg: #5ba3d9;--tint-server-bg: rgba(91, 163, 217, .1);--tint-spam-fg: #e06c5c;--tint-spam-bg: rgba(224, 108, 92, .1);--tint-webhook-fg: #d99757;--tint-webhook-bg: rgba(217, 151, 87, .1);--tint-upload-fg: #6fbf8b;--tint-upload-bg: rgba(111, 191, 139, .1);color-scheme:dark}:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--sp-1: .25rem;--sp-2: .5rem;--sp-3: .75rem;--sp-4: 1rem;--sp-5: 1.25rem;--sp-6: 1.5rem;--sp-8: 2rem;--sp-10: 2.5rem;--sp-12: 3rem;--sp-16: 4rem;--sp-20: 5rem;--sp-24: 6rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--transition-fast: .12s ease;--transition-normal: .2s ease;--transition-theme: background-color .2s ease, color .2s ease, border-color .2s ease}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;min-height:100vh;background-color:var(--bg-base);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;scroll-behavior:smooth;transition:var(--transition-theme)}.form-input,.theme-toggle,.form-status,.url-code,.modal-card,.modal-overlay,.plan-header,.feature-card,.feature-icon,.footer-container,.auth-card,.empty-card,.empty-icon-wrap,.error-card,.error-pre,.modal-card>form{transition:var(--transition-theme)}.skip-link{position:absolute;top:-40px;left:0;background:var(--accent);color:var(--accent-on);padding:8px 16px;z-index:100;transition:top var(--transition-fast);text-decoration:none;font-weight:600;font-size:.875rem;border-radius:0 0 var(--radius-sm) 0}.skip-link:focus{top:0}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:600;margin:0;color:var(--text-primary);letter-spacing:-.02em;line-height:1.25}p{margin:0;color:var(--text-secondary);line-height:1.6}code,pre{font-family:var(--font-mono)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);font-family:var(--font-sans);font-weight:500;font-size:.9rem;padding:.625rem 1.25rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;line-height:1.4;white-space:nowrap}.btn-primary{background:var(--accent);color:var(--accent-on);border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-outline{background:transparent;color:var(--text-primary);border-color:var(--border-color)}.btn-outline:hover{background:var(--bg-surface-hover);border-color:var(--border-hover)}.btn-outline:active{background:var(--bg-surface-hover)}.btn-sm{padding:.4rem .875rem;font-size:.825rem;border-radius:var(--radius-sm)}.main-header{border-bottom:1px solid var(--border-color);background:var(--bg-base);position:sticky;top:0;z-index:50;width:100%;transition:var(--transition-theme)}.header-container{max-width:1120px;margin:0 auto;padding:.875rem var(--sp-8);display:flex;justify-content:space-between;align-items:center}.brand-logo{font-family:var(--font-sans);font-size:1.15rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary);text-decoration:none}.main-nav{display:flex;gap:var(--sp-6);align-items:center}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.9rem;transition:color var(--transition-fast)}.nav-link:hover{color:var(--text-primary)}.user-btn-wrapper{display:flex;align-items:center;border-left:1px solid var(--border-color);padding-left:var(--sp-5)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);padding:0}.theme-toggle:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.theme-toggle:active{transform:scale(.95)}.theme-icon{display:none}[data-theme=light] .theme-icon-sun,[data-theme=dark] .theme-icon-moon{display:block}#main-content{min-height:calc(100vh - 120px)}.main-footer{border-top:1px solid var(--border-color);padding:var(--sp-12) var(--sp-6);text-align:center;transition:var(--transition-theme)}.footer-container{max-width:1120px;margin:0 auto}.footer-container p{font-size:.8rem;color:var(--text-muted)}.card{position:relative;border:1px solid var(--border-color);background:var(--bg-surface);border-radius:var(--radius-lg);transition:border-color var(--transition-fast),background-color var(--transition-normal)}.card:hover{border-color:var(--border-hover)}.form-group{margin-bottom:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-2);text-align:left}.form-label{font-size:.825rem;font-weight:500;color:var(--text-secondary)}.form-input{width:100%;padding:.625rem .875rem;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-sans);font-size:.9rem;transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--accent);background:var(--bg-surface)}.form-input::placeholder{color:var(--text-muted)}@media(max-width:768px){.header-container{padding:.75rem var(--sp-4)}.main-nav{gap:var(--sp-4)}}