:root {
  --color-blue-dk: #0f3d73;
  --color-blue: #1c5fa8;
  --color-blue-lt: #4a90d9;
  --color-blue-pale: #eaf2fb;
  --color-orange: #ff8c00;
  --color-orange-lt: #ffb347;
  --color-orange-dk: #cc6f00;
  --color-paper: #ffffff;
  --color-ink: #2b2b2b;
  --color-link: #1a5fa8;
  --color-visited: #6a3d9a;
  --color-price: #cc3300;
  --color-stock: #2e8b2e;
  --color-maroon: #b3392b;
  --color-silver: #d8dee6;
  --color-silver-dk: #8a95a3;
  --color-border: #b9c7d6;
  --font-sans: "Trebuchet MS", Verdana, Arial, sans-serif;
  --font-display: "Trebuchet MS", Arial, Helvetica, sans-serif;
  --font-mono: "Courier New", Courier, monospace;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 2px 6px rgba(15, 61, 115, 0.18);
  --shadow-lg: 0 4px 14px rgba(15, 61, 115, 0.25);
}

* {
  box-sizing: border-box;
}

button:not(:disabled),
[role="button"]:not(:disabled) {
  cursor: pointer;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--color-ink);
  background-color: #dce8f7;
  background-image: linear-gradient(180deg, #eef4fb 0%, #cddfef 45%, #b9d3ea 100%);
  background-attachment: fixed;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--color-link);
  text-decoration: none;
}
a:visited {
  color: var(--color-visited);
}
a:hover,
a:focus-visible {
  text-decoration: underline;
  color: var(--color-orange-dk);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.25;
  color: var(--color-blue-dk);
  margin: 0 0 0.5em;
}
h1 {
  font-size: 1.5rem;
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--color-border);
  text-shadow: 0 1px 0 #fff;
}
h2 {
  font-size: 1.15rem;
  background: linear-gradient(180deg, var(--color-blue-lt) 0%, var(--color-blue) 55%, var(--color-blue-dk) 100%);
  color: #fff;
  padding: 8px 12px;
  margin: 1.2em 0 0.7em;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
}
h3 {
  font-size: 1.02rem;
  margin-top: 0.9em;
  color: var(--color-blue);
}
p {
  margin: 0 0 0.8em;
}
img {
  max-width: 100%;
  height: auto;
}
table {
  border-collapse: collapse;
}
input,
textarea,
select {
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  color: var(--color-ink);
  font: 16px var(--font-sans);
  padding: 9px 10px;
  width: 100%;
  box-sizing: border-box;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 3px rgba(15, 61, 115, 0.15);
}
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-blue-lt);
  box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.3);
}
fieldset {
  border: 1px solid var(--color-border);
  padding: 14px;
  margin: 0 0 1em;
  border-radius: var(--radius);
  background: var(--color-paper);
  box-shadow: var(--shadow);
}
legend {
  font-weight: bold;
  color: var(--color-blue-dk);
  padding: 0 8px;
}

/* skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-orange);
  color: #fff;
  padding: 8px 12px;
  z-index: 20;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip:focus {
  left: 0;
  top: 0;
}

/* page chrome */
.page {
  max-width: 52rem;
  margin: 0 auto;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  min-height: 100dvh;
  box-shadow: var(--shadow-lg);
}
.inner {
  padding: 10px 12px 18px;
}
@media (min-width: 640px) {
  body {
    font-size: 13px;
    padding: 16px 0;
  }
  .page {
    margin: 0 auto;
    min-height: auto;
    border-radius: var(--radius);
    overflow: hidden;
  }
  .inner {
    padding: 14px 18px 24px;
  }
  h1 {
    font-size: 1.65rem;
  }
}

/* header */
.brand-bar {
  background: linear-gradient(180deg, var(--color-blue-lt) 0%, var(--color-blue) 50%, var(--color-blue-dk) 100%);
  color: #fff;
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);
}
.brand-link {
  color: #fff !important;
  text-decoration: none !important;
  font-family: var(--font-display);
  font-weight: bold;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
.brand-link:visited {
  color: #fff !important;
}
.brand-link small {
  display: block;
  font-weight: normal;
  font-size: 0.72rem;
  color: #dceaff;
  letter-spacing: 0;
  text-shadow: none;
}
.header-meta {
  text-align: right;
  font-size: 0.72rem;
  color: #dceaff;
  font-family: var(--font-mono);
}
.led {
  display: inline-flex;
  gap: 2px;
  background: #142a3d;
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  margin-top: 4px;
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6), 0 1px 0 rgba(255, 255, 255, 0.15);
}
.led-d {
  display: inline-block;
  width: 0.85em;
  text-align: center;
  color: #5be15b;
  text-shadow: 0 0 6px rgba(91, 225, 91, 0.8);
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 0.95rem;
  line-height: 1.3;
}
.ticker {
  background: linear-gradient(180deg, var(--color-orange-lt) 0%, var(--color-orange) 60%, var(--color-orange-dk) 100%);
  color: #fff;
  font-size: 0.85rem;
  font-weight: bold;
  padding: 8px 12px;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.ticker em {
  font-style: normal;
  background: rgba(255, 255, 255, 0.25);
  padding: 2px 8px;
  margin-right: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* nav */
.site-nav {
  background: linear-gradient(180deg, #f5f9fd 0%, #e2ecf6 100%);
  border-bottom: 1px solid var(--color-border);
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.site-nav a,
.site-nav span.current {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  color: var(--color-blue-dk) !important;
  text-decoration: none !important;
  font-family: var(--font-display);
  font-weight: bold;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
}
.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--color-blue-pale);
}
.site-nav span.current {
  background: linear-gradient(180deg, var(--color-blue-lt), var(--color-blue));
  color: #fff !important;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
@media (min-width: 640px) {
  .site-nav ul {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .site-nav a,
  .site-nav span.current {
    min-height: 36px;
    padding: 7px 16px;
  }
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  background: linear-gradient(180deg, #ffffff 0%, #dfe6ee 100%);
  color: var(--color-blue-dk) !important;
  text-decoration: none !important;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: bold;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  box-sizing: border-box;
  cursor: pointer;
}
.btn:visited {
  color: var(--color-blue-dk) !important;
}
.btn:hover,
.btn:focus-visible {
  background: linear-gradient(180deg, #ffffff 0%, #cfe0f2 100%);
  text-decoration: none;
}
.btn:active {
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}
.btn-gold {
  background: linear-gradient(180deg, var(--color-orange-lt) 0%, var(--color-orange) 55%, var(--color-orange-dk) 100%);
  color: #fff !important;
  border-color: var(--color-orange-dk);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}
.btn-gold:hover,
.btn-gold:focus-visible {
  background: linear-gradient(180deg, #ffc266 0%, var(--color-orange) 60%, var(--color-orange-dk) 100%);
}
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ornaments */
.hr-bar {
  border: none;
  height: 4px;
  margin: 16px 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-blue-lt), var(--color-orange));
  box-shadow: var(--shadow);
}
.toc {
  background: var(--color-blue-pale);
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  margin: 0 0 1.2em;
  font-size: 0.92rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.toc strong {
  color: var(--color-blue-dk);
}
.toc ol {
  margin: 8px 0 0;
  padding-left: 1.3em;
}
.note {
  background: #fff8e6;
  border: 1px solid #f0d99a;
  padding: 10px 14px;
  margin: 0 0 1.2em;
  font-size: 0.92rem;
  border-radius: var(--radius);
}

/* catalog table */
.catalog-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 0 0 1.2em;
  background: var(--color-paper);
  box-shadow: var(--shadow);
}
.catalog {
  width: 100%;
  font-size: 0.9rem;
}
.catalog th {
  background: linear-gradient(180deg, var(--color-blue-lt), var(--color-blue));
  color: #fff;
  font-family: var(--font-display);
  text-align: left;
  padding: 10px 8px;
  font-weight: bold;
  white-space: nowrap;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.25);
}
.catalog td {
  padding: 8px;
  border-bottom: 1px solid var(--color-silver);
  vertical-align: middle;
  background: var(--color-paper);
}
.catalog tr:nth-child(even) td {
  background: #f4f8fc;
}
.catalog tr:hover td {
  background: var(--color-blue-pale);
}
.catalog tr.is-sale td {
  background: #fff3e0;
}
.catalog .thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  display: block;
  box-shadow: var(--shadow);
}
.price {
  color: var(--color-price);
  font-weight: bold;
  font-size: 1.08em;
  white-space: nowrap;
}
.old-price {
  display: block;
  color: var(--color-silver-dk);
  font-weight: normal;
  text-decoration: line-through;
  font-size: 0.85em;
}
.badge {
  display: inline-block;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: bold;
  font-family: var(--font-display);
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: var(--shadow);
  color: #fff;
}
.badge-yes {
  background: linear-gradient(180deg, #6cc36c, var(--color-stock));
}
.badge-no {
  background: linear-gradient(180deg, #d9695c, var(--color-maroon));
}
.badge-akce {
  background: linear-gradient(180deg, var(--color-orange-lt), var(--color-orange-dk));
  margin-left: 4px;
}
.badge-novinka {
  background: linear-gradient(180deg, var(--color-blue-lt), var(--color-blue-dk));
  margin-left: 4px;
}
@media (max-width: 639px) {
  .catalog thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }
  .catalog,
  .catalog tbody,
  .catalog tr,
  .catalog td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }
  .catalog tr {
    border-bottom: 2px solid var(--color-border);
    padding: 6px 0 10px;
  }
  .catalog td {
    border-bottom: 1px dotted var(--color-silver);
    padding: 8px 8px 8px 42%;
    position: relative;
    min-height: 40px;
  }
  .catalog td::before {
    content: attr(data-label);
    position: absolute;
    left: 8px;
    top: 8px;
    width: 38%;
    font-weight: bold;
    color: var(--color-blue-dk);
    font-family: var(--font-display);
  }
  .catalog td.col-photo {
    padding: 8px;
    text-align: center;
  }
  .catalog td.col-photo::before {
    content: none;
  }
  .catalog td.col-photo .thumb {
    width: 80px;
    height: 80px;
    margin: 0 auto;
  }
  .catalog td.col-action .btn-row {
    justify-content: flex-start;
  }
}

/* compare / info tables */
.info-table {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 1.2em;
  background: var(--color-paper);
  box-shadow: var(--shadow);
}
.info-table th,
.info-table td {
  border-bottom: 1px solid var(--color-silver);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}
.info-table th {
  background: linear-gradient(180deg, var(--color-blue-lt), var(--color-blue));
  color: #fff;
  font-family: var(--font-display);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.25);
}
.info-table td.lbl {
  background: var(--color-blue-pale);
  font-weight: bold;
  width: 38%;
  color: var(--color-blue-dk);
}

.why-list {
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.why-list li {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-silver);
  background: var(--color-paper);
}
.why-list li:nth-child(even) {
  background: #f4f8fc;
}
.why-list li:last-child {
  border-bottom: none;
}
.why-list b {
  color: var(--color-blue-dk);
  font-family: var(--font-display);
}

/* FAQ */
.faq details {
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  margin: 0 0 8px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.faq summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: linear-gradient(180deg, #f5f9fd, #e2ecf6);
  font-weight: bold;
  font-family: var(--font-display);
  color: var(--color-blue-dk);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3em;
  height: 1.3em;
  background: var(--color-orange);
  color: #fff;
  border-radius: 999px;
  font-family: var(--font-mono);
  flex-shrink: 0;
  box-shadow: var(--shadow);
}
.faq details[open] summary::before {
  content: "\2212";
}
.faq .faq-body {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--color-silver);
}

/* product detail */
.prod-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 1.2em;
}
.prod-photo {
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  padding: 6px;
  max-width: 280px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.prod-photo img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
}
.prod-buybox {
  background: var(--color-blue-pale);
  border: 1px solid var(--color-border);
  padding: 14px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.prod-buybox .price {
  font-size: 1.4rem;
}
@media (min-width: 640px) {
  .prod-head {
    flex-direction: row;
    align-items: flex-start;
  }
  .prod-photo {
    flex: 0 0 240px;
  }
  .prod-buybox {
    flex: 1;
  }
}

/* form */
.form-table {
  width: 100%;
}
.form-table th,
.form-table td {
  padding: 7px 0;
  text-align: left;
  vertical-align: top;
}
.form-table th {
  font-weight: bold;
  color: var(--color-blue-dk);
  padding-right: 10px;
  width: 34%;
}
@media (max-width: 639px) {
  .form-table,
  .form-table tbody,
  .form-table tr,
  .form-table th,
  .form-table td {
    display: block;
    width: 100%;
  }
  .form-table th {
    width: auto;
    padding-bottom: 3px;
    padding-right: 0;
  }
}
.req {
  color: var(--color-price);
}
.form-error {
  color: #fff;
  background: var(--color-maroon);
  font-weight: bold;
  margin: 0 0 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.confirm-box {
  background: #fff8e6;
  border: 1px solid #f0d99a;
  padding: 16px;
  margin: 0 0 1.2em;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.order-code {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  background: #142a3d;
  color: #5be15b;
  text-shadow: 0 0 6px rgba(91, 225, 91, 0.8);
  padding: 6px 10px;
  display: inline-block;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
}

/* footer */
.site-footer {
  background: linear-gradient(180deg, var(--color-blue), var(--color-blue-dk));
  color: #dceaff;
  padding: 16px 14px 20px;
  font-size: 0.82rem;
}
.site-footer a {
  color: #fff !important;
}
.site-footer a:visited {
  color: #fff !important;
}
.site-footer nav {
  margin-bottom: 10px;
}
.site-footer nav a {
  margin-right: 12px;
}
.best-viewed {
  margin-top: 10px;
  color: #a9c3e0;
  font-size: 0.75rem;
}

@media print {
  body {
    background: #fff;
  }
  .site-nav,
  .brand-bar,
  .ticker,
  .site-footer,
  .btn,
  .no-print,
  .skip {
    display: none !important;
  }
  .page {
    border: none;
    box-shadow: none;
    max-width: none;
  }
}