:root {
--primary: #1a73e8;
--primary-hover: #1557b0;
--on-primary: #ffffff;
--primary-soft: #e8f0fe;
--on-primary-soft: #174ea6;
--bg: #f8f9fa;
--surface: #ffffff;
--text: #202124;
--text-sub: #5f6368;
--border: #dadce0;
--danger: #b3261b;
--danger-soft: #fce8e6;
--ok: #137333;
--ok-soft: #e6f4ea;
--radius: 12px;
--font: 'Lato', 'M PLUS 1', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
margin: 0;
font-family: var(--font);
background: var(--bg);
color: var(--text);
line-height: 1.7;
-webkit-text-size-adjust: 100%;
}
.ms {
font-family: 'Material Symbols Outlined';
font-weight: 400;
font-style: normal;
font-size: 22px;
line-height: 1;
letter-spacing: normal;
text-transform: none;
display: inline-block;
white-space: nowrap;
direction: ltr;
-webkit-font-feature-settings: 'liga';
font-feature-settings: 'liga';
flex: none;
width: 1em;
overflow: hidden;
}
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.35; margin: 0; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
height: 46px;
min-width: 140px;
padding: 0 22px;
border-radius: 999px;
border: 1px solid transparent;
font-family: var(--font);
font-size: 15px;
font-weight: 700;
line-height: 1;
cursor: pointer;
text-decoration: none;
white-space: nowrap;
transition: background .15s, border-color .15s;
}
.btn .ms { font-size: 20px; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { background: var(--surface); color: var(--primary-hover); border-color: var(--border); }
.btn-outline:hover { background: var(--primary-soft); border-color: var(--primary); }
.btn[disabled] { opacity: .65; cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn-col { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.btn-col .btn { width: 100%; max-width: 320px; }
.spin {
width: 18px; height: 18px; flex: none;
border: 3px solid currentColor; border-right-color: transparent;
border-radius: 50%; animation: kai-spin .8s linear infinite;
}
@keyframes kai-spin { to { transform: rotate(360deg); } }
.card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 24px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 14px; font-weight: 700; color: var(--text); }
.field input, .field textarea {
font-family: var(--font); font-size: 16px; color: var(--text);
background: var(--surface);
border: 1px solid var(--border); border-radius: 8px; padding: 11px 12px; width: 100%;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
.field textarea { min-height: 110px; resize: vertical; }
.hint { font-size: 13px; color: var(--text-sub); }
.msg { border-radius: 8px; padding: 12px 14px; font-size: 14px; display: none; }
.msg.show { display: block; }
.msg-err { background: var(--danger-soft); color: var(--danger); }
.msg-ok { background: var(--ok-soft); color: var(--ok); }
footer.site-foot { text-align: center; color: var(--text-sub); font-size: 13px; padding: 32px 20px; }
@media (prefers-reduced-motion: reduce) { .spin { animation-duration: 2s; } html { scroll-behavior: auto; } }
#kaiLoaderOverlay {
position: fixed; inset: 0; background: rgba(15, 23, 42, 0.65); backdrop-filter: blur(3px);
display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 10001;
}
#kaiLoaderOverlay.hidden { display: none; }
#kaiLoaderOverlay .burger-container {
width: 140px; height: 150px; position: relative; display: flex; flex-direction: column-reverse;
align-items: center; justify-content: flex-start; padding-bottom: 10px;
}
#kaiLoaderOverlay .ingredient { border-radius: 6px; opacity: 0; transform: translateY(-80px); animation: dropIngredient 2.2s infinite ease-in; }
#kaiLoaderOverlay .bun-bottom { width: 100px; height: 16px; background: #e09f3e; border-radius: 4px 4px 14px 14px; animation-delay: 0.1s; }
#kaiLoaderOverlay .patty { width: 106px; height: 14px; background: #5e3023; border-radius: 7px; margin-bottom: 3px; animation-delay: 0.4s; }
#kaiLoaderOverlay .cheese { width: 96px; height: 6px; background: #f4a261; border-radius: 2px; transform: rotate(-2deg); margin-bottom: 2px; animation-delay: 0.7s; }
#kaiLoaderOverlay .lettuce { width: 108px; height: 8px; background: #2a9d8f; border-radius: 8px; margin-bottom: 2px; animation-delay: 1.0s; }
#kaiLoaderOverlay .tomato { width: 98px; height: 10px; background: #e63946; border-radius: 5px; margin-bottom: 3px; animation-delay: 1.3s; }
#kaiLoaderOverlay .bun-top { width: 102px; height: 28px; background: #e09f3e; border-radius: 20px 20px 6px 6px; margin-bottom: 3px; animation-delay: 1.6s; }
@keyframes dropIngredient {
0% { opacity: 0; transform: translateY(-70px) scale(0.9); }
20% { opacity: 1; transform: translateY(0) scale(1.05); }
25% { transform: translateY(-3px) scale(1); }
30% { transform: translateY(0); }
80% { opacity: 1; transform: translateY(0); }
95% { opacity: 0; transform: translateY(10px); }
100% { opacity: 0; transform: translateY(10px); }
}
#kaiLoaderOverlay .burger-loading-text { color: #ffffff; font-size: 15px; font-weight: 600; margin-top: 18px; letter-spacing: 0.5px; }