:root{--color-primary: #1a73e8;--color-secondary: #5f6368;--color-accent: #1967d2;--color-bg: #f8f9fa;--color-surface: #ffffff;--color-text: #202124;--color-text-light: #5f6368;--color-error: #d93025;--color-success: #1e8e3e;--color-warning: #f9ab00;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;width:100%}body{font-family:var(--font-family);color:var(--color-text);background-color:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{margin:0 0 .5em;font-weight:600;line-height:1.2;color:var(--color-text)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1rem}p{margin:0 0 1em;color:var(--color-text)}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-accent);text-decoration:underline}input,textarea,select{font-family:var(--font-family);font-size:1rem;color:var(--color-text);background-color:var(--color-surface);border:1px solid var(--color-secondary);border-radius:var(--border-radius-sm);padding:.5rem .75rem;outline:none;transition:border-color .2s ease,box-shadow .2s ease}input:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #1a73e826}button{font-family:var(--font-family);font-size:1rem;cursor:pointer;border:none;border-radius:var(--border-radius-sm);padding:.5rem 1rem;background-color:var(--color-primary);color:#fff;transition:background-color .2s ease,box-shadow .2s ease}button:hover{background-color:var(--color-accent)}button:disabled{opacity:.6;cursor:not-allowed}.text-error{color:var(--color-error)}.text-success{color:var(--color-success)}.text-light{color:var(--color-text-light)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--color-text-light);border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}