:root {
  --font-main: 'Oswald', sans-serif;
  --bg-color: #F8F9FA;
  --text-color: #111111;
  --border-color: #E0E0E0;
  --primary-color: #111111;
  --primary-hover: #333333;
  --accent-color: #73AFC3;
  --panel-bg: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body, h1, h2, h3, h4, h5, h6, p, a, button, input, textarea, select, code, pre, label, span, div, ul, ol, li, table, th, td, form, fieldset, legend, details, summary, figure, figcaption, blockquote, cite, em, strong, small, sub, sup, abbr, bdi, bdo, data, dfn, kbd, mark, q, s, samp, time, u, var, wbr, del, ins, b, i, u, s { font-family: var(--font-main); }
body { font-family: var(--font-main); background-color: var(--bg-color); color: var(--text-color); line-height: 1.5; letter-spacing: 0.5px; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 20px; }
.site-header { background-color: #FFFFFF; color: #111111; padding: 20px; border: 1px solid var(--border-color); border-radius: 6px; margin-bottom: 35px; box-shadow: var(--shadow-sm); }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.brand-logo { display: flex; align-items: center; gap: 12px; }
.brand-logo img { height: 96px; width: auto; }
.brand-title { font-size: 1.8rem; font-weight: 700; letter-spacing: 1.5px; }
.brand-tagline { font-size: 0.95rem; font-weight: 300; color: #666666; text-transform: uppercase; }
.intro-section { margin: 100px 0 25px 0; }
.main-title { font-size: 2.4rem; font-weight: 700; text-transform: uppercase; margin-bottom: 10px; letter-spacing: 1px; }
.intro-text { font-size: 1.1rem; font-weight: 300; color: #444444; max-width: 900px; }
.preview-section { background: var(--panel-bg); border: 1px solid var(--border-color); border-radius: 6px; padding: 20px; margin-bottom: 35px; box-shadow: var(--shadow-sm); }
.preview-header-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; }
.preview-header-bar h2 { font-size: 1.3rem; text-transform: uppercase; }
.active-palette-badge { background: transparent; border: 1px solid #E5E5E5; padding: 6px 12px; font-family: var(--font-main); font-size: 16px; font-weight: 300; border-radius: 4px; }
.mockup-window { border: 1px solid #D0D0D0; border-radius: 6px; overflow: hidden; transition: all 0.3s ease; }
.mockup-header { background-color: #73AFC3; color: #FFFFFF; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; }
.mockup-brand { font-weight: 700; font-size: 1.1rem; }
.mockup-nav span { margin-left: 15px; font-size: 0.85rem; cursor: pointer; }
.mockup-hero { background-color: #FFFFFF; color: #111111; padding: 40px 20px; text-align: center; }
.mockup-hero-title { font-size: 1.8rem; margin-bottom: 10px; }
.mockup-hero-text { font-size: 1rem; max-width: 600px; margin: 0 auto 20px auto; font-weight: 300; }
.mockup-button { background-color: #73AFC3; color: #FFFFFF; border: none; padding: 10px 24px; font-family: var(--font-main); font-size: 0.95rem; cursor: pointer; text-transform: uppercase; border-radius: 4px; }
.mockup-body { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 25px 20px; background-color: #FFFFFF; }
.mockup-card { border: 1px solid var(--border-color); padding: 15px; border-radius: 4px; background-color: #FAFAFA; }
.mockup-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.mockup-card p { font-size: 16px; font-weight: 300; color: #555555; }
.mockup-footer { background-color: #91C4D5; color: #FFFFFF; text-align: center; padding: 12px 20px; font-size: 16px; font-weight: 300; }
.preview-actions { margin-top: 15px; text-align: right; }
.content-grid { display: grid; grid-template-columns: 1fr 25%; gap: 0; align-items: stretch; }
.content-grid .left-column { min-width: 0; padding-right: 30px; }
.content-grid .right-column { min-width: 0; align-self: stretch; }
.content-grid .palettes-section { margin-top: 0; border-top: none; padding-top: 0; }
.filter-section { margin-bottom: 25px; }
.search-box input { width: 100%; padding: 12px 15px; font-family: var(--font-main); font-size: 1rem; border: 1px solid var(--border-color); border-radius: 4px; margin-bottom: 12px; }
.filter-categories { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-btn { background: #FFFFFF; border: 1px solid #E0E0E0; padding: 6px 12px; font-family: var(--font-main); font-size: 0.85rem; cursor: pointer; border-radius: 4px; transition: background 0.2s, border-color 0.2s, color 0.2s; flex: 1; min-width: calc(8.333% - 6px); text-align: center; }
.filter-btn.active, .filter-btn:hover { background: #73AFC3; border-color: #111111; color: #FFFFFF; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.section-header h2 { font-size: 1.5rem; text-transform: uppercase; }
.colors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 15px; margin-bottom: 40px; }
.color-card { background: var(--panel-bg); border: 1px solid var(--border-color); border-radius: 6px; overflow: hidden; cursor: pointer; position: relative; transition: transform 0.15s, box-shadow 0.15s; }
.color-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.color-card.selected { border: 3px solid #111111; }
.color-swatch-large { width: 100%; aspect-ratio: 1 / 1; position: relative; border: 7px 7px 4px 7px solid #FFFFFF; }
.color-tooltip { display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,0.9); color: #FFFFFF; padding: 10px 12px; border-radius: 6px; width: calc(100% - 20px); z-index: 100; font-size: 0.75rem; line-height: 1.4; }
.color-tooltip strong { display: block; margin-bottom: 4px; font-size: 0.85rem; }
.color-tooltip span { display: block; font-weight: 300; }
.color-swatch-large:hover .color-tooltip { display: block; }
.selected-indicator { position: absolute; top: 6px; right: 6px; background: #111111; color: #FFFFFF; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: bold; }
.color-info { padding: 8px 10px; }
.color-name { font-size: 0.85rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.color-hex-row { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }
.color-hex { font-size: 0.8rem; color: #666666; }
.btn-copy { background: none; border: none; font-size: 0.7rem; color: #888888; cursor: pointer; text-decoration: underline; }
.btn-copy:hover { color: #111111; }
.copy-toast { background: #111111; color: #FFFFFF; padding: 4px 10px; font-size: 0.8rem; border-radius: 4px; }
.palettes-section { margin-top: 30px; border-top: 2px solid var(--border-color); padding-top: 30px; }
.palettes-intro { font-size: 1rem; font-weight: 300; color: #555555; margin-bottom: 20px; }
.palettes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.palette-card { background: var(--panel-bg); border: 1px solid var(--border-color); border-radius: 6px; padding: 15px; display: flex; flex-direction: column; justify-content: space-between; }
.palette-card.active-palette { border: 2px solid #111111; box-shadow: var(--shadow-sm); }
.palette-title { font-size: 1.3rem; font-weight: 600; margin-bottom: 6px; }
.palette-desc { font-size: 0.85rem; font-weight: 300; color: #666666; margin-bottom: 12px; min-height: 38px; }
.palette-swatches { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-bottom: 12px; }
.palette-swatch-item { height: 45px; border-radius: 3px; border: 1px solid rgba(0,0,0,0.1); position: relative; }
.palette-swatch-hex { font-size: 0.65rem; text-align: center; color: #555555; margin-top: 2px; }
.btn-apply-palette { width: 100%; background: #FFFFFF; border: 1px solid #E5E5E5; padding: 8px; font-family: var(--font-main); font-size: 0.85rem; cursor: pointer; border-radius: 4px; text-transform: uppercase; margin-top: 8px; transition: all 0.2s; }
.btn-apply-palette:hover { background: #73AFC3; border-color: transparent; color: #FFFFFF; }
.palette-card.active-palette .btn-apply-palette { background: #73AFC3; border-color: #73AFC3; color: #FFFFFF; }
.submission-panel { background: var(--panel-bg); border: 1px solid var(--border-color); border-radius: 6px; padding: 20px; position: sticky; top: 20px; max-height: calc(100vh - 40px); overflow-y: auto; box-shadow: var(--shadow-sm); margin-top: 118px; }
.contacts-panel { position: sticky; top: calc(100vh - 110px); max-height: none; overflow: visible; margin-top: 20px; }
.contacts-logo { width: 120px; max-width: 100%; display: block; margin: 0 auto 12px auto; }
.contact-list { display: flex; flex-direction: column; gap: 8px; }
.contact-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; background: #FFFFFF; padding: 8px 12px; border-radius: 4px; text-decoration: none; color: #111111; font-size: 0.85rem; transition: background 0.2s, border-color 0.2s; border: 1px solid #E0E0E0; }
.contact-item:hover { background: #C7DCE4; border-color: transparent; }
.contact-label { font-weight: 600; text-transform: uppercase; font-size: 0.75rem; color: #666666; }
.contact-value { font-weight: 300; }
.submission-panel h2 { font-size: 1.3rem; text-transform: uppercase; margin-bottom: 5px; }
.panel-desc { font-size: 16px; font-weight: 300; color: #666666; margin-bottom: 15px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.form-group input { width: 100%; padding: 10px; font-family: var(--font-main); font-size: 0.95rem; border: 1px solid var(--border-color); border-radius: 4px; }
.selection-summary-box, .palette-summary-box { background: #F4F4F4; padding: 12px; border-radius: 4px; margin-bottom: 12px; }
.selection-summary-box h3, .palette-summary-box h3 { font-size: 0.9rem; text-transform: uppercase; margin-bottom: 8px; }
.selected-tags-list { max-height: 120px; overflow-y: auto; display: flex; flex-wrap: wrap; gap: 6px; }
.selected-tag { background: #FFFFFF; border: 1px solid #D0D0D0; padding: 3px 8px; border-radius: 3px; font-size: 0.75rem; display: flex; align-items: center; gap: 6px; }
.tag-dot { width: 12px; height: 12px; border-radius: 2px; border: 1px solid #CCCCCC; }
.tag-remove { cursor: pointer; font-weight: bold; color: #999999; }
.tag-remove:hover { color: #111111; }
.empty-msg { font-size: 0.8rem; color: #888888; font-style: italic; }
.btn-primary, .btn-secondary { width: 100%; padding: 12px; font-family: var(--font-main); font-size: 0.95rem; font-weight: 600; text-transform: uppercase; border: none; border-radius: 4px; cursor: pointer; margin-bottom: 12px; transition: background 0.2s; }
.btn-primary { background: #111111; color: #FFFFFF; }
.btn-primary:hover { background: #333333; }
.btn-secondary { background: var(--accent-color); color: #FFFFFF; }
.btn-secondary:hover { background: #1B4F72; }
.btn-secondary-outline, .btn-clear { background: transparent; border: 1px solid #E5E5E5; padding: 6px 12px; font-family: var(--font-main); font-size: 16px; font-weight: 300; cursor: pointer; border-radius: 4px; margin-top: 6px; }
.btn-secondary-outline:hover { background: #91C4D5; border-color: transparent; color: #FFFFFF; }
.form-feedback { padding: 10px; border-radius: 4px; font-size: 0.85rem; margin-top: 10px; }
.form-feedback.success { background: #D4EDDA; color: #155724; border: 1px solid #C3E6CB; }
.form-feedback.error { background: #F8D7DA; color: #721C24; border: 1px solid #F5C6CB; }
.hidden { display: none !important; }
.no-results { text-align: center; padding: 30px; color: #666666; font-style: italic; }
.site-footer { margin-top: 60px; padding: 25px 0; background: #73AFC3; color: #FFFFFF; text-align: center; font-size: 0.85rem; }
.site-footer a { color: #FFFFFF; text-decoration: none; }
@media (min-width: 993px) { .content-grid .right-column { margin-bottom: 40px; } }
@media (max-width: 992px) { .content-grid { grid-template-columns: 1fr; gap: 30px; } .content-grid .left-column { padding-right: 0; } .submission-panel { position: static; max-height: none; overflow-y: visible; } }
@media (max-width: 600px) { .colors-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); } .mockup-body { grid-template-columns: 1fr; } }