:root {
--bg-color: #0f172a;--card-bg: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #3b82f6;--accent-hover: #2563eb;--danger-color: #ef4444;--success-color: #10b981;--warning-color: #f59e0b;--border-color: #334155;--input-bg: #020617;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);--radius-md: 0.75rem;--radius-lg: 1rem;--font-sans: 'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;justify-content:center;padding:40px 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}
.app-container{width:100%;max-width:550px;display:flex;flex-direction:column;gap:2.5rem}
header{text-align:center;margin-bottom:0.5rem}
header h1{font-size:2.25rem;font-weight:800;letter-spacing:-0.05em;background:linear-gradient(135deg,#60a5fa 0%,#a78bfa 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:0.5rem}
.subtitle{color:var(--text-secondary);font-size:1rem;opacity:0.8}
.input-section{position:relative;z-index:10}
.input-wrapper{position:relative;background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);transition:all 0.3s cubic-bezier(0.4,0,0.2,1);overflow:hidden}
.input-wrapper:focus-within{border-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 20px 25px -5px rgb(0 0 0 / 0.1),0 8px 10px -6px rgb(0 0 0 / 0.1)}
textarea{width:100%;min-height:260px;background:transparent;border:none;padding:1.5rem;color:var(--text-primary);font-size:1.125rem;font-family:inherit;resize:none;outline:none;line-height:1.6}
textarea::placeholder{color:var(--text-secondary);opacity:0.5}
.input-actions{position:absolute;bottom:1rem;right:1rem;display:flex;justify-content:flex-end}
.icon-btn{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);color:var(--text-secondary);cursor:pointer;padding:0.5rem;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all 0.2s;backdrop-filter:blur(4px)}
.icon-btn:hover{color:var(--text-primary);background:rgba(255,255,255,0.1);transform:scale(1.05)}
.endpoints-section{display:flex;flex-direction:column;gap:1.25rem}
.section-header{display:flex;justify-content:space-between;align-items:center;padding:0 0.5rem;margin-top:15px}
.section-header h2{font-size:0.875rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-secondary);font-weight:600}
.webhook-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}
.webhook-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.25rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;cursor:pointer;position:relative;transition:all 0.2s cubic-bezier(0.4,0,0.2,1);user-select:none;box-shadow:var(--shadow-sm)}
.webhook-card:hover{border-color:var(--accent-color);transform:translateY(-4px);box-shadow:var(--shadow-lg);background:#243045}
.webhook-card:active{transform:translateY(-1px)}
.webhook-card svg{color:var(--accent-color);transition:transform 0.3s ease}
.webhook-card:hover svg{transform:scale(1.1)}
.webhook-name{font-weight:600;text-align:center;font-size:0.95rem;color:var(--text-primary);width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.delete-webhook-btn{position:absolute;top:8px;right:8px;width:24px;height:24px;background:rgba(239,68,68,0.1);color:var(--danger-color);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:all 0.2s;transform:scale(0.8)}
.edit-webhook-btn{position:absolute;top:8px;right:38px;width:24px;height:24px;background:rgba(245,158,11,0.1);color:var(--warning-color);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:all 0.2s;transform:scale(0.8)}
.webhook-card:hover .delete-webhook-btn,.webhook-card:hover .edit-webhook-btn{opacity:1;transform:scale(1)}
.delete-webhook-btn:hover{background:var(--danger-color);color:#fff}
.edit-webhook-btn:hover{background:var(--warning-color);color:#fff}
.empty-state{grid-column:1/-1;text-align:center;padding:3rem 1rem;color:var(--text-secondary);border:2px dashed var(--border-color);border-radius:var(--radius-lg);background:rgba(30,41,59,0.3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.625rem 1.25rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;border:none;transition:all 0.2s;font-size:0.875rem;letter-spacing:0.02em}
.btn-primary{background:var(--accent-color);color:#fff;box-shadow:0 4px 6px -1px rgba(59,130,246,0.3)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 6px 8px -1px rgba(59,130,246,0.4);transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--accent-color);border:1px solid rgba(59,130,246,0.2)}
.btn-secondary:hover{background:rgba(59,130,246,0.1);border-color:rgba(59,130,246,0.4)}
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.8);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;opacity:1;transition:opacity 0.2s}
.modal-overlay.hidden{opacity:0;pointer-events:none}
.modal{background:var(--card-bg);width:90%;max-width:420px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);transform:scale(1);transition:all 0.3s cubic-bezier(0.34,1.56,0.64,1)}
.modal-overlay.hidden .modal{transform:scale(0.9)}
.modal-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}
.modal-header h3{font-size:1.25rem;font-weight:700;color:var(--text-primary)}
.close-btn{background:transparent;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all 0.2s}
.close-btn:hover{background:rgba(255,255,255,0.1);color:var(--text-primary)}
.modal-body{padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}
.form-group{display:flex;flex-direction:column;gap:0.5rem}
.form-group label{font-size:0.875rem;font-weight:500;color:var(--text-secondary)}
.form-group input{background:var(--input-bg);border:1px solid var(--border-color);color:var(--text-primary);padding:0.875rem;border-radius:var(--radius-md);outline:none;transition:border-color 0.2s;font-size:1rem}
.form-group input:focus{border-color:var(--accent-color);box-shadow:0 0 0 1px var(--accent-color)}
.modal-footer{padding:1.5rem;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;background:rgba(0,0,0,0.1);border-radius:0 0 var(--radius-lg) var(--radius-lg)}
#toast-container{position:fixed;bottom:30px;right:30px;display:flex;flex-direction:column;gap:10px;z-index:200;pointer-events:none}
.toast{background:var(--card-bg);color:var(--text-primary);padding:1rem 1.25rem;border-radius:var(--radius-md);box-shadow:0 10px 15px -3px rgba(0,0,0,0.3);border-left:4px solid var(--accent-color);font-size:0.95rem;font-weight:500;animation:slideIn 0.3s cubic-bezier(0.16,1,0.3,1);display:flex;align-items:center;gap:12px;border:1px solid var(--border-color);border-left-width:4px}
.toast.success{border-left-color:var(--success-color)}
.toast.error{border-left-color:var(--danger-color)}
@keyframes slideIn{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
footer{text-align:center;color:var(--text-secondary);font-size:0.875rem;opacity:0.5;margin-top:auto}
.upload-section{display:flex;flex-direction:column;gap:1.25rem}
.upload-container{display:flex;flex-direction:column;gap:1rem}
.drop-zone{background:var(--card-bg);border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:2rem 1.5rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;cursor:pointer;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative}
.drop-zone:hover{border-color:var(--accent-color);background:rgba(59,130,246,0.05);transform:translateY(-2px)}
.drop-zone.drag-over{border-color:var(--accent-color);background:rgba(59,130,246,0.1);border-style:solid}
.drop-zone svg{color:var(--accent-color);opacity:0.8}
.drop-zone-text{font-size:1.125rem;font-weight:600;color:var(--text-primary)}
.drop-zone-hint{font-size:0.875rem;color:var(--text-secondary)}
.upload-progress{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;gap:0.75rem}
.upload-progress.hidden{display:none}
.progress-bar{width:100%;height:8px;background:var(--input-bg);border-radius:999px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-color),var(--success-color));border-radius:999px;transition:width 0.3s ease;width:0%}
.progress-text{font-size:0.875rem;color:var(--text-secondary);text-align:center}
.btn-sm{padding:0.5rem 1rem;font-size:0.8125rem}
@media(max-width:600px){body{padding:20px 15px}header h1{font-size:1.75rem}.webhook-grid{grid-template-columns:repeat(2,1fr)}#toast-container{bottom:20px;right:20px;left:20px}.toast{width:100%;justify-content:center}.drop-zone{padding:2rem 1rem}}