:root{--color-bg: #f8f9fa;--color-text: #212529;--color-header-bg: #ffffff;--color-panel-bg: #ffffff;--color-panel-shadow: rgba(0, 0, 0, .1);--color-accent: #6200ee;--color-toggle-text: #6200ee;--color-status-ok: #2e7d32;--color-status-fail: #c62828;--color-input-bg: #ffffff;--color-input-border: #ced4da;--color-input-text: #212529;--color-formula-bg: #f1f3f5;--bg-primary: var(--color-bg);--bg-secondary: var(--color-header-bg);--bg-tertiary: var(--color-panel-bg);--text-primary: var(--color-text);--text-secondary: color-mix(in srgb, var(--color-text) 70%, transparent);--text-tertiary: color-mix(in srgb, var(--color-text) 50%, transparent);--accent-primary: var(--color-accent);--accent-secondary: color-mix(in srgb, var(--color-accent) 80%, black);--success: var(--color-status-ok);--danger: var(--color-status-fail);--border-color: var(--color-input-border);--card-bg: var(--color-panel-bg);--input-bg: var(--color-input-bg);--button-bg: var(--color-accent);--button-hover: color-mix(in srgb, var(--color-accent) 90%, black);--success-bg: rgba(46, 125, 50, .1);--success-border: var(--color-status-ok);--failure-bg: rgba(198, 40, 40, .1);--failure-border: var(--color-status-fail);--failure-text: var(--color-status-fail);--warning: #ffc107;--warning-text: #d7a207;--warning-bg: rgba(255, 193, 7, .15);--warning-border: #ffc107;--color-link: #0056b3;--color-link-hover: #004494}.dark-mode{--color-bg: #121212;--color-text: #e0e0e0;--color-header-bg: #1f1f1f;--color-panel-bg: #1e1e1e;--color-panel-shadow: rgba(0, 0, 0, .6);--color-accent: #bb86fc;--color-toggle-text: #bb86fc;--color-status-ok: #66bb6a;--color-status-fail: #ef5350;--color-input-bg: #2c2c2c;--color-input-border: #444444;--color-input-text: #e0e0e0;--color-formula-bg: #2a2a2a;--bg-primary: var(--color-bg);--bg-secondary: var(--color-header-bg);--bg-tertiary: var(--color-panel-bg);--text-primary: var(--color-text);--text-secondary: color-mix(in srgb, var(--color-text) 70%, transparent);--text-tertiary: color-mix(in srgb, var(--color-text) 50%, transparent);--accent-primary: var(--color-accent);--accent-secondary: color-mix(in srgb, var(--color-accent) 80%, black);--success: var(--color-status-ok);--danger: var(--color-status-fail);--border-color: var(--color-input-border);--card-bg: var(--color-panel-bg);--input-bg: var(--color-input-bg);--button-bg: var(--color-accent);--button-hover: color-mix(in srgb, var(--color-accent) 90%, black);--success-bg: rgba(102, 187, 106, .1);--success-border: var(--color-status-ok);--failure-bg: rgba(239, 83, 80, .1);--failure-border: var(--color-status-fail);--failure-text: var(--color-status-fail);--color-link: #90caf9;--color-link-hover: #bbdefb}.dark-mode .btn-icon{color:var(--text-tertiary)}.dark-mode .btn-icon:hover{color:var(--color-text)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.site-header{background-color:var(--bg-secondary);padding:1rem 0;border-bottom:1px solid var(--border-color);box-shadow:0 2px 4px var(--color-panel-shadow)}.site-header .container{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.25rem;font-weight:600;color:var(--text-primary);text-decoration:none}.main-content{flex-grow:1;padding:2rem 0}.site-footer{background-color:var(--bg-secondary);padding:1rem 0;border-top:1px solid var(--border-color);margin-top:auto;font-size:.875rem;color:var(--text-tertiary);text-align:center}.btn-icon{background:none;border:none;padding:.25rem;cursor:pointer;color:var(--text-tertiary);line-height:0}.btn-icon svg{stroke:currentColor;width:16px;height:16px}.btn-icon:hover{color:var(--text-primary)}.btn-toggle-advanced{background:var(--color-accent);color:#fff;border:none;cursor:pointer}.btn-toggle-advanced:hover{opacity:.9}.btn-toggle-advanced .chevron{transition:transform .3s ease-in-out}.btn-toggle-advanced .chevron.rotated{transform:rotate(180deg)}.result-section,.advanced-card,.advanced-section{background:var(--color-panel-bg);box-shadow:0 1px 3px var(--color-panel-shadow)}.advanced-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:.375rem;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.advanced-card h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;border-bottom:1px solid var(--border-color);padding-bottom:.75rem}.calc-row{display:flex;justify-content:space-between;font-size:.9rem;padding:.4rem 0;border-bottom:1px dashed var(--border-color)}.calc-row:last-child{border-bottom:none}.calc-row span:first-child{color:var(--text-tertiary)}.calc-row span:last-child{font-weight:500}.calc-row.total{font-weight:600;font-size:1rem;border-top:1px solid var(--border-color);margin-top:.5rem;padding-top:.75rem;border-bottom:none}.calc-row.verdict span:last-child.success{color:var(--success);font-weight:700}.calc-row.verdict span:last-child.failure{color:var(--failure-text);font-weight:700}.calc-row.verdict span:last-child.warning{color:var(--warning);font-weight:700}input,select{background:var(--color-input-bg);border:1px solid var(--color-input-border);color:var(--color-input-text)}input::placeholder{color:var(--color-input-border)}input:focus,select:focus{outline:2px solid var(--color-accent);outline-offset:1px;border-color:transparent}.form-group{display:flex;flex-direction:column;gap:.5rem;position:relative}.form-group label{font-size:.875rem;color:var(--text-secondary);font-weight:500}.form-group input[type=number],.form-group .select-container select{width:100%;padding:.65rem .75rem;background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:.375rem;color:var(--text-primary);font-size:.875rem}.form-group .select-container{position:relative}.form-group .select-container select{appearance:none;padding-right:2rem;cursor:pointer}.form-group .select-container:after{content:"";position:absolute;right:.75rem;top:50%;transform:translateY(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid var(--text-tertiary);pointer-events:none}#apple-controls,#standard-controls{display:flex;flex-direction:column;gap:1rem;width:100%}.advanced-card .form-group:has(#platform-select){margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px dashed var(--border-color)}.gpu-search-container{position:relative}#gpu-search-input{width:100%;padding:.5rem;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-color);border-radius:4px;font-size:1rem;box-sizing:border-box}#gpu-search-results{position:absolute;top:100%;left:0;right:0;background-color:var(--input-bg);border:1px solid var(--border-color);border-top:none;border-radius:0 0 4px 4px;max-height:200px;overflow-y:auto;z-index:1000;display:none;box-shadow:0 4px 6px #0000001a;box-sizing:border-box}.search-result-item{padding:.5rem;cursor:pointer;color:var(--text-color);border-bottom:1px solid var(--border-color-light)}.search-result-item:last-child{border-bottom:none}.search-result-item:hover{background-color:var(--accent-color);color:var(--bg-color)}.result-message.success{color:var(--color-status-ok)}.result-message.failure{color:var(--color-status-fail)}.btn-toggle-advanced{color:var(--color-toggle-text);display:flex;align-items:center;gap:.5rem;background-color:var(--bg-tertiary);border-radius:.375rem;padding:.5rem 1rem;font-size:.875rem;transition:background-color .2s;background:var(--bg-tertiary);color:var(--text-primary)}.btn-toggle-advanced:hover{background-color:var(--border-color);opacity:1}.model-checker-container{display:flex;flex-direction:column;gap:1.5rem}.page-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.page-header h1{font-size:1.75rem;font-weight:600}.result-section{background-color:var(--bg-secondary);border-radius:.5rem;padding:2rem 1.5rem;display:flex;justify-content:center;align-items:center;text-align:center;min-height:200px;flex-grow:1}.result-message{display:flex;align-items:center;gap:1rem;font-size:1.25rem;font-weight:500;padding:1rem 1.5rem;border-radius:.375rem;border:1px solid transparent}.result-message.success{color:var(--success);background-color:var(--success-bg);border-color:var(--success-border)}.result-message.warning{color:var(--warning-text, var(--warning));background-color:var(--warning-bg);border-color:var(--warning-border)}.result-message.failure{color:var(--failure-text);background-color:var(--failure-bg);border-color:var(--failure-border)}.result-message svg{width:28px;height:28px;flex-shrink:0}.advanced-section{background-color:var(--bg-secondary);border-radius:.5rem;padding:1.5rem;overflow:hidden;transition:max-height .5s ease-in-out,padding .5s ease-in-out,opacity .3s ease-in-out;max-height:0;opacity:0;padding-top:0;padding-bottom:0;border:1px solid var(--border-color)}.advanced-section:not(.collapsed){max-height:2000px;opacity:1;padding:1.5rem}.advanced-section.collapsed{border:none}.advanced-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.result-message a{color:var(--color-link);text-decoration:underline}.result-message a:hover{color:var(--color-link-hover)}.result-message .warning-details{font-size:.9em;margin-top:.5rem;text-align:left}.result-message .warning-details ul{list-style-position:inside;padding-left:0;margin-top:.25rem}.result-message .warning-details li{margin-bottom:.25rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hidden{display:none!important}@media (max-width: 1024px){.advanced-grid{grid-template-columns:1fr 1fr}}@media (max-width: 768px){.page-header{flex-direction:column;align-items:flex-start;gap:.75rem}.page-header h1{font-size:1.5rem}.result-message{font-size:1.1rem;flex-direction:column;gap:.5rem}.result-message svg{width:24px;height:24px}.advanced-grid{grid-template-columns:1fr}}@media (max-width: 480px){body{font-size:15px}.container{padding:0 1rem}.page-header h1{font-size:1.3rem}.btn-toggle-advanced{width:100%;justify-content:center}.result-section{padding:1.5rem 1rem;min-height:150px}.result-message{font-size:1rem}.advanced-card{padding:1rem}.advanced-card h3{font-size:1rem}}