:root{--hmac-primary:var(--main-primary);--hmac-bg:var(--main-white,#fff);--hmac-bg-secondary:var(--main-gray-50,#f8fafc);--hmac-bg-hover:var(--main-gray-100,#f1f5f9);--hmac-text:var(--main-gray-800,#1e293b);--hmac-text-muted:var(--main-gray-500,#64748b);--hmac-border:var(--main-border-color,#e2e8f0);--hmac-border-focus:var(--main-primary);--hmac-shadow:0 1px 3px #0000000f;--hmac-radius:var(--main-radius);--hmac-radius-lg:var(--main-radius-lg);--hmac-success:#10b981;--hmac-error:#ef4444;--hmac-warning:#f59e0b;--hmac-info:#0ea5e9;--hmac-tint-key:#6366f11a;--hmac-tint-msg:#0ea5e91a;--hmac-tint-output:#10b9811a;--hmac-tint-warning:#f59e0b14;--hmac-focus-ring:#6366f126;--hmac-tint-match:#10b9811a;--hmac-tint-mismatch:#ef44441a}._hmac-container{gap:var(--main-space-3);max-width:1300px;min-height:500px;padding-left:var(--main-space-2);padding-right:var(--main-space-2);flex-direction:column;margin-left:auto;margin-right:auto;display:flex}._hmac-hidden{display:none!important}._hmac-panels{gap:var(--main-space-3);flex:1;grid-template-columns:1fr 1fr;min-height:450px;display:grid}._hmac-panel{background:var(--hmac-bg);border-radius:var(--hmac-radius-lg);border-style:solid;border-width:1px;border-color:var(--hmac-border);box-shadow:var(--hmac-shadow);flex-direction:column;display:flex;overflow:hidden}._hmac-panel-header{padding:var(--main-space-2) var(--main-space-3);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--hmac-border);background:var(--hmac-bg-secondary);justify-content:space-between;align-items:center;display:flex}._hmac-panel-title{font-size:var(--main-text-xs);color:var(--hmac-text-muted);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:.375rem;font-weight:600;display:inline-flex}._hmac-title-icon{border-radius:var(--hmac-radius);flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}._hmac-title-icon svg{width:12px;height:12px}._hmac-title-icon-key{background:var(--hmac-tint-key);color:var(--hmac-primary)}._hmac-title-icon-msg{background:var(--hmac-tint-msg);color:var(--hmac-info)}._hmac-title-icon-output{background:var(--hmac-tint-output);color:var(--hmac-success)}@media (max-width:768px){._hmac-container{padding-left:var(--main-space-2);padding-right:var(--main-space-2);gap:var(--main-space-2)}._hmac-panels{gap:var(--main-space-2);grid-template-columns:1fr;min-height:auto}._hmac-panel{min-height:240px}}@media (max-width:480px){._hmac-container{padding-left:var(--main-space-1);padding-right:var(--main-space-1)}}._hmac-toolbar{justify-content:space-between;align-items:center;gap:var(--main-space-3);padding:var(--main-space-2) var(--main-space-3);background:var(--hmac-bg);border-radius:var(--hmac-radius-lg);border-style:solid;border-width:1px;border-color:var(--hmac-border);box-shadow:var(--hmac-shadow);flex-wrap:wrap;display:flex}._hmac-toolbar-left,._hmac-toolbar-right{align-items:center;gap:var(--main-space-2);flex-wrap:wrap;display:flex}._hmac-algo-group{align-items:center;gap:var(--main-space-2);display:flex}._hmac-select{font-size:var(--main-text-xs);background:var(--hmac-bg);color:var(--hmac-text);border-style:solid;border-width:1px;border-color:var(--hmac-border);border-radius:var(--hmac-radius);cursor:pointer;outline:none;padding:.3125rem .625rem;font-family:inherit;font-weight:500}._hmac-select:focus-visible{border-color:var(--hmac-border-focus);box-shadow:0 0 0 2px var(--hmac-focus-ring)}._hmac-algo-badge{text-transform:uppercase;letter-spacing:.03em;color:var(--hmac-warning);background:var(--hmac-tint-warning);border-radius:var(--main-radius-full);align-items:center;gap:.25rem;padding:.125rem .5rem;font-size:.625rem;font-weight:600;display:inline-flex}._hmac-algo-badge svg{width:12px;height:12px}._hmac-toggle-label{font-size:var(--main-text-xs);color:var(--hmac-text-muted);cursor:pointer;white-space:nowrap;align-items:center;gap:.375rem;font-weight:500;display:inline-flex}._hmac-toggle-label input[type=checkbox]{width:1rem;height:1rem;accent-color:var(--hmac-primary);cursor:pointer}._hmac-btn{border-radius:var(--hmac-radius);cursor:pointer;white-space:nowrap;border:none;align-items:center;gap:.375rem;font-family:inherit;display:inline-flex}._hmac-btn:focus-visible{outline:2px solid var(--hmac-primary);outline-offset:2px}._hmac-btn-icon{color:var(--hmac-text-muted);background:0 0;padding:.4375rem;transition:background-color .15s,color .15s}._hmac-btn-icon:hover{background:var(--hmac-bg-hover);color:var(--hmac-text)}._hmac-btn-danger:hover{color:var(--hmac-error)}@media (max-width:768px){._hmac-toolbar{padding:var(--main-space-2);gap:var(--main-space-2)}._hmac-toolbar-left,._hmac-toolbar-right{gap:var(--main-space-2)}._hmac-select{font-size:var(--main-text-sm);padding:.5rem .625rem}._hmac-btn-icon{justify-content:center;min-width:2.5rem;min-height:2.5rem;padding:.625rem}._hmac-toggle-label{font-size:var(--main-text-sm);padding:.25rem 0}._hmac-toggle-label input[type=checkbox]{width:1.125rem;height:1.125rem}}@media (max-width:480px){._hmac-toolbar{flex-direction:column;align-items:stretch}._hmac-toolbar-left,._hmac-toolbar-right{justify-content:space-between;width:100%}._hmac-algo-group,._hmac-select{flex:1;min-width:0}}._hmac-input-panel{gap:0}._hmac-input-section{border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--hmac-border);flex-direction:column;display:flex}._hmac-input-section:last-child{border-bottom:none}._hmac-input-section-grow{flex:1}._hmac-section-header{padding:var(--main-space-2) var(--main-space-3);background:var(--hmac-bg-secondary);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--hmac-border);justify-content:space-between;align-items:center;display:flex}._hmac-section-title{font-size:var(--main-text-xs);color:var(--hmac-text-muted);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:.375rem;font-weight:600;display:inline-flex}._hmac-type-select{font-size:.6875rem;font-weight:500;font-family:var(--main-font-mono);background:var(--hmac-bg);color:var(--hmac-text-muted);border-style:solid;border-width:1px;border-color:var(--hmac-border);border-radius:var(--hmac-radius);cursor:pointer;outline:none;padding:.1875rem .5rem}._hmac-type-select:focus-visible{border-color:var(--hmac-border-focus);box-shadow:0 0 0 2px var(--hmac-focus-ring)}._hmac-textarea{width:100%;padding:var(--main-space-3);resize:none;font-family:var(--main-font-mono);font-size:var(--main-text-sm);color:var(--hmac-text);background:var(--hmac-bg);-moz-tab-size:4;tab-size:4;white-space:pre;overflow-wrap:normal;-webkit-appearance:none;appearance:none;border:none;outline:none;line-height:1.6;overflow-x:auto}._hmac-textarea::placeholder{color:var(--hmac-text-muted)}._hmac-textarea:focus{outline:none}._hmac-textarea-grow{flex:1;min-height:120px}@media (max-width:768px){._hmac-section-header{padding:var(--main-space-2);gap:var(--main-space-2)}._hmac-section-title{font-size:var(--main-text-xs);min-width:0}._hmac-type-select{min-height:2rem;padding:.375rem .5rem;font-size:.75rem}._hmac-textarea{padding:var(--main-space-2) var(--main-space-3);white-space:pre-wrap;overflow-wrap:anywhere;font-size:1rem;overflow-x:hidden}._hmac-textarea-grow{min-height:140px}}._hmac-output-content{flex-direction:column;flex:1;display:flex;overflow:auto}._hmac-empty-state{justify-content:center;align-items:center;gap:var(--main-space-3);height:100%;color:var(--hmac-text-muted);padding:var(--main-space-6);text-align:center;flex-direction:column;display:flex}._hmac-empty-state svg{opacity:.3}._hmac-empty-state p{font-size:var(--main-text-sm);margin:0}._hmac-results{gap:var(--main-space-3);padding:var(--main-space-3);flex-direction:column;flex:1;display:flex}._hmac-result-block{background:var(--hmac-bg-secondary);border-radius:var(--hmac-radius);border-style:solid;border-width:1px;border-color:var(--hmac-border);overflow:hidden}._hmac-result-header{padding:var(--main-space-1) var(--main-space-2);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--hmac-border);justify-content:space-between;align-items:center;display:flex}._hmac-result-label{text-transform:uppercase;letter-spacing:.05em;color:var(--hmac-text-muted);font-size:.625rem;font-weight:600}._hmac-btn-copy{color:var(--hmac-text-muted);background:0 0;justify-content:center;align-items:center;padding:.375rem;transition:color .15s;display:inline-flex}._hmac-btn-copy:hover{color:var(--hmac-primary)}._hmac-btn-copy.copied{color:var(--hmac-success)}._hmac-result-value{padding:var(--main-space-2) var(--main-space-3);font-family:var(--main-font-mono);font-size:var(--main-text-sm);color:var(--hmac-text);word-break:break-all;white-space:pre-wrap;min-height:2.5rem;line-height:1.6}._hmac-verify-section{gap:var(--main-space-2);padding-top:var(--main-space-2);border-top-style:dashed;border-top-width:1px;border-top-color:var(--hmac-border);flex-direction:column;display:flex}._hmac-verify-input-wrap{align-items:center;gap:var(--main-space-2);display:flex}._hmac-verify-input{font-family:var(--main-font-mono);font-size:var(--main-text-xs);color:var(--hmac-text);background:var(--hmac-bg);border-style:solid;border-width:1.5px;border-color:var(--hmac-border);border-radius:var(--hmac-radius);outline:none;flex:1;padding:.375rem .625rem}._hmac-verify-input:focus{border-color:var(--hmac-border-focus);box-shadow:0 0 0 2px var(--hmac-focus-ring)}._hmac-verify-badge{border-radius:var(--main-radius-full);white-space:nowrap;flex-shrink:0;align-items:center;gap:.25rem;padding:.25rem .625rem;font-size:.6875rem;font-weight:600;display:inline-flex}._hmac-verify-badge.match{background:var(--hmac-tint-match);color:var(--hmac-success)}._hmac-verify-badge.mismatch{background:var(--hmac-tint-mismatch);color:var(--hmac-error)}._hmac-verify-badge svg{width:14px;height:14px}@media (max-width:768px){._hmac-empty-state{padding:var(--main-space-4);gap:var(--main-space-2)}._hmac-results{padding:var(--main-space-2);gap:var(--main-space-2)}._hmac-result-header{padding:var(--main-space-1) var(--main-space-2)}._hmac-result-value{font-size:var(--main-text-xs);padding:var(--main-space-2);line-height:1.5}._hmac-btn-copy{min-width:2.25rem;min-height:2.25rem;padding:.5rem}._hmac-verify-input{min-height:2.5rem;padding:.5rem .625rem;font-size:1rem}._hmac-verify-input-wrap{flex-direction:column;align-items:stretch}._hmac-verify-badge{align-self:flex-start}}._hmac-status-bar{padding:var(--main-space-2) var(--main-space-3);background:var(--hmac-bg);border-radius:var(--hmac-radius-lg);border-style:solid;border-width:1px;border-color:var(--hmac-border);box-shadow:var(--hmac-shadow);font-size:var(--main-text-xs);font-family:var(--main-font-mono);justify-content:space-between;align-items:center;min-height:2rem;display:flex}._hmac-status-left,._hmac-status-right{align-items:center;gap:var(--main-space-2);display:flex}._hmac-status-indicator{align-items:center;gap:.375rem;font-weight:500;display:inline-flex}._hmac-status-indicator svg{width:14px;height:14px}._hmac-status-indicator.valid{color:var(--hmac-success)}._hmac-status-indicator.invalid{color:var(--hmac-error)}._hmac-status-indicator.empty,._hmac-status-item{color:var(--hmac-text-muted)}._hmac-status-sep{color:var(--hmac-border)}@media (max-width:768px){._hmac-status-bar{padding:var(--main-space-2);gap:var(--main-space-2);flex-wrap:wrap}}@media (max-width:480px){._hmac-status-bar,._hmac-status-left,._hmac-status-right{gap:var(--main-space-1);flex-wrap:wrap}}