:root {
  --mimosa: #6b7142;
  --g-fill: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.045));
  --g-fill-hover: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.07));
  --g-fill-press: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  --g-rim: rgba(255, 255, 255, 0.16);
  --g-rim-strong: rgba(255, 255, 255, 0.26);
  --g-hi: rgba(255, 255, 255, 0.20);
  --g-lo: rgba(0, 0, 0, 0.35);
  --g-sheet: rgba(36, 28, 26, 0.72);
  --g-sheet-strong: rgba(45, 36, 34, 0.86);
  --g-well: rgba(0, 0, 0, 0.28);
  --g-track: rgba(255, 255, 255, 0.10);
  --g-active: linear-gradient(180deg, rgba(122, 200, 245, 0.30), rgba(122, 200, 245, 0.14));
  --g-primary: linear-gradient(180deg, #95dbff, #5fb4e6);
  --g-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 4px 10px rgba(0, 0, 0, 0.22);
  --g-shadow-lift: 0 2px 4px rgba(0, 0, 0, 0.35), 0 10px 22px rgba(0, 0, 0, 0.30);
  --g-atmo: radial-gradient(120% 80% at 85% -10%, rgba(122, 200, 245, 0.10), transparent 60%),
            radial-gradient(90% 70% at 0% 100%, rgba(200, 102, 78, 0.10), transparent 60%);
}
html[data-theme="light"] {
  --g-fill: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.42));
  --g-fill-hover: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.60));
  --g-fill-press: linear-gradient(180deg, rgba(255, 255, 255, 0.40), rgba(255, 255, 255, 0.30));
  --g-rim: rgba(60, 40, 20, 0.42);
  --g-rim-strong: rgba(60, 40, 20, 0.58);
  --g-hi: rgba(255, 255, 255, 0.95);
  --g-lo: rgba(60, 40, 20, 0.10);
  --g-sheet: rgba(253, 251, 247, 0.66);
  --g-sheet-strong: rgba(253, 251, 247, 0.84);
  --g-well: rgba(60, 40, 20, 0.06);
  --g-track: rgba(60, 40, 20, 0.12);
  --g-active: linear-gradient(180deg, rgba(0, 101, 161, 0.16), rgba(0, 101, 161, 0.08));
  --g-primary: linear-gradient(180deg, #2a8fd0, #0065a1);
  --g-shadow: 0 1px 1px rgba(60, 40, 20, 0.10), 0 2px 6px rgba(60, 40, 20, 0.13);
  --g-shadow-lift: 0 2px 3px rgba(60, 40, 20, 0.08), 0 10px 22px rgba(60, 40, 20, 0.14);
  --g-atmo: radial-gradient(120% 80% at 85% -10%, rgba(0, 101, 161, 0.09), transparent 60%),
            radial-gradient(90% 70% at 0% 100%, rgba(153, 60, 37, 0.07), transparent 60%);
}

body { background: var(--g-atmo), var(--bg-0); background-attachment: fixed; }

.pane, .side-panel, .cut-toolbar, .stat-box, .design-row {
  background: var(--g-sheet);
  border: 1px solid var(--g-rim);
  box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow);
}
.pane, .side-panel, .cut-toolbar { border-radius: 14px; }
.stat-box, .design-row { border-radius: 10px; }
.pane-head, .side-panel-head, .modal-head, .modal-foot { border-color: var(--g-rim); }
.app-header {
  background: var(--g-sheet);
  border-bottom: 1px solid var(--g-rim);
  box-shadow: inset 0 -1px 0 var(--g-lo);
  -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4);
}
.status-bar { background: transparent; border-top: 1px solid var(--g-rim); }
.menu-dropdown, .modal, .toast {
  background: var(--g-sheet-strong);
  border: 1px solid var(--g-rim-strong);
  box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow-lift), 0 24px 60px rgba(0, 0, 0, 0.18);
  -webkit-backdrop-filter: blur(28px) saturate(1.5); backdrop-filter: blur(28px) saturate(1.5);
}
.menu-dropdown { border-radius: 12px; padding: 6px; }
.modal { border-radius: 18px; }
.modal-overlay { background: rgba(20, 12, 10, 0.42); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }

.btn, .view-chip, .pane-chip, .tool-chip, .side-toggle button, .design-browse-btn, .cut-material-btn,
.icon-btn, .header-auth, .step-nav-btn, .tp-fmt-opt, .rs-preset, .ri-sort-btn, .gear-dial-btn {
  position: relative;
  background: var(--g-fill);
  border: 1px solid var(--g-rim);
  color: var(--text-0);
  box-shadow: inset 0 1px 0 var(--g-hi), inset 0 -1px 0 var(--g-lo), var(--g-shadow);
  transition: background 150ms ease, border-color 150ms ease, box-shadow 150ms ease, transform 120ms ease, color 150ms ease;
}
.btn, .side-toggle button, .design-browse-btn, .cut-material-btn, .header-auth, .step-nav-btn, .tp-fmt-opt, .rs-preset, .ri-sort-btn { border-radius: 999px; }
.icon-btn { border-radius: 50%; }
.btn { padding: 8px 16px; }
.btn.small { padding: 5px 11px; }
.btn.ghost { background: transparent; border-color: transparent; box-shadow: none; color: var(--text-1); }
.btn.ghost:hover { background: var(--g-fill); border-color: var(--g-rim); }
.side-toggle { border: 0; background: var(--g-well); border-radius: 999px; padding: 3px; gap: 2px; box-shadow: inset 0 1px 2px var(--g-lo); overflow: visible; }
.side-toggle button { background: transparent; border-color: transparent; box-shadow: none; color: var(--text-2); padding: 6px 13px; }
.side-toggle button.active { background: var(--g-fill); border-color: var(--g-rim); color: var(--accent); box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow); }

.view-chip, .pane-chip, .tool-chip {
  -webkit-backdrop-filter: blur(10px) saturate(1.5); backdrop-filter: blur(10px) saturate(1.5);
  color: var(--text-0);
}

.btn:hover, .view-chip:hover, .pane-chip:hover, .tool-chip:hover, .design-browse-btn:hover, .cut-material-btn:hover,
.icon-btn:hover, .header-auth:hover, .step-nav-btn:hover, .tp-fmt-opt:hover, .rs-preset:hover, .ri-sort-btn:hover, .gear-dial-btn:hover {
  background: var(--g-fill-hover);
  border-color: var(--g-rim-strong);
  color: var(--text-0);
  box-shadow: inset 0 1px 0 var(--g-hi), inset 0 -1px 0 var(--g-lo), var(--g-shadow-lift);
  transform: translateY(-1px);
}
.btn:active, .view-chip:active, .pane-chip:active, .tool-chip:active, .side-toggle button:active, .design-browse-btn:active,
.cut-material-btn:active, .icon-btn:active, .header-auth:active, .step-nav-btn:active, .mode-pill:active {
  transform: scale(0.97);
  background: var(--g-fill-press);
  box-shadow: inset 0 1px 2px var(--g-lo);
}
.view-chip.active, .pane-chip.active, .tool-chip.active, .btn.small.ghost.on, .rs-preset.active, .ri-sort-btn.active, [data-cutting-maximize].active, [data-catalog-maximize].active {
  background: var(--g-active);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--g-rim));
  color: var(--accent);
  box-shadow: inset 0 1px 0 var(--g-hi), 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent), var(--g-shadow);
}
.btn.primary, .cut-export-go {
  background: var(--g-primary);
  border-color: color-mix(in srgb, var(--accent) 70%, white);
  color: var(--accent-ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), inset 0 -1px 0 rgba(0, 0, 0, 0.18), 0 2px 6px color-mix(in srgb, var(--accent) 35%, transparent), var(--g-shadow);
}
.btn.primary:hover { filter: none; background: var(--g-primary); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), inset 0 -1px 0 rgba(0, 0, 0, 0.18), 0 4px 14px color-mix(in srgb, var(--accent) 45%, transparent), var(--g-shadow-lift); transform: translateY(-1px); }
.btn.danger { color: var(--danger); }
.btn:disabled, .btn[disabled] { opacity: 0.45; transform: none; box-shadow: none; }
:is(.btn, .view-chip, .pane-chip, .tool-chip, .icon-btn, .mode-pill, .side-toggle button, .design-browse-btn, .cut-material-btn):focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent);
}

.mode-pill-toggle { background: var(--g-well); border: 1px solid transparent; box-shadow: inset 0 1px 2px var(--g-lo), 0 0 0 1px var(--g-rim); padding: 3px; }
.mode-pill { color: var(--text-2); border: 1px solid transparent; transition: color 150ms ease, background 150ms ease, box-shadow 150ms ease; }
.mode-pill:not(.active):hover { color: var(--text-0); }
.mode-pill.active {
  background: var(--g-fill-hover);
  color: var(--accent);
  border-color: var(--g-rim-strong);
  box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow);
}

.menu-btn { border-radius: 999px; }
.menu-btn:hover, .menu-root.open .menu-btn { background: var(--g-fill); color: var(--text-0); box-shadow: inset 0 1px 0 var(--g-hi); }
.menu-item { border-radius: 8px; }
.menu-item:hover { background: var(--g-active); color: var(--accent); }
.menu-sep { background: var(--g-rim); }

.modal-input, .ri-search, .design-search-input, .design-sort-select, .gem-search, .cut-export-sel, .rs-sel, .rs-num, .rs-numxs, .rs-hex, .meas-input, .tier-inline-input, .tier-comment-text, .save-design-field, .gemdb-select {
  background: var(--g-well);
  border: 1px solid transparent;
  border-radius: 9px;
  box-shadow: inset 0 1px 2px var(--g-lo), inset 0 0 0 1px var(--g-rim);
  color: var(--text-0);
  transition: box-shadow 150ms ease;
}
.modal-input:focus, .ri-search:focus, .design-search-input:focus, .gem-search:focus, .meas-input:focus, .tier-inline-input:focus, .tier-comment-text:focus, .rs-num:focus, .rs-sel:focus {
  border-color: transparent;
  box-shadow: inset 0 1px 2px var(--g-lo), 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent);
  outline: none;
}
.num-field { color: var(--text-0); }
.num-field:focus { background: var(--g-well); border-radius: 6px; outline: 2px solid var(--accent); outline-offset: 1px; }

input[type="range"]::-webkit-slider-runnable-track { height: 4px; background: var(--g-track); border-radius: 2px; box-shadow: inset 0 1px 1px var(--g-lo); }
input[type="range"]::-webkit-slider-thumb {
  width: 15px; height: 15px; margin-top: -6px;
  background: var(--g-fill-hover);
  border: 1px solid var(--accent);
  box-shadow: inset 0 1px 0 var(--g-hi), 0 1px 3px rgba(0, 0, 0, 0.25), 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
input[type="range"]::-moz-range-track { height: 4px; background: var(--g-track); border-radius: 2px; }
input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--g-fill-hover);
  border: 1px solid var(--accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
input[type="range"]:active::-webkit-slider-thumb { box-shadow: inset 0 1px 0 var(--g-hi), 0 1px 3px rgba(0, 0, 0, 0.25), 0 0 0 6px color-mix(in srgb, var(--accent) 28%, transparent); }

.cutting-steps-list .cut-step-item.current { background: var(--g-active); border-color: color-mix(in srgb, var(--accent) 55%, var(--g-rim)); box-shadow: inset 0 1px 0 var(--g-hi), 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent), var(--g-shadow); border-radius: 10px; }
.tier-row.selected, .cut-step-item.selected, .design-row.active { background: var(--g-active); border-color: color-mix(in srgb, var(--accent) 55%, var(--g-rim)); }
.design-row:hover, .cut-step-item:hover { background: var(--g-fill); border-color: var(--g-rim-strong); }
.gem-card { background: var(--g-sheet); border-color: var(--g-rim); border-radius: 12px; box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow); }
.gem-card:hover, .gem-card.selected { border-color: color-mix(in srgb, var(--accent) 55%, var(--g-rim)); }

.stat-box .v { font-variant-numeric: tabular-nums slashed-zero; }

@media (prefers-reduced-transparency: reduce) {
  :root, html[data-theme="light"] { --g-sheet: var(--bg-1); --g-sheet-strong: var(--bg-2); --g-fill: var(--bg-3); --g-fill-hover: var(--bg-4); }
  .app-header, .menu-dropdown, .modal, .toast, .view-chip, .pane-chip, .tool-chip { -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@supports not (backdrop-filter: blur(1px)) {
  :root, html[data-theme="light"] { --g-sheet: var(--bg-1); --g-sheet-strong: var(--bg-2); }
  .view-chip, .pane-chip, .tool-chip { background: var(--chip-float-bg); }
}
@media (prefers-reduced-motion: reduce) {
  .btn, .view-chip, .pane-chip, .tool-chip, .icon-btn, .mode-pill, .side-toggle button { transition: none; }
  .btn:hover, .view-chip:hover, .pane-chip:hover, .tool-chip:hover, .icon-btn:hover { transform: none; }
}

:root { --g-divider: rgba(255, 255, 255, 0.09); --g-modal: rgba(45, 36, 34, 0.95); --g-chip-label: rgba(36, 28, 26, 0.92); }
html[data-theme="light"] { --g-divider: rgba(60, 40, 20, 0.12); --g-modal: rgba(253, 251, 247, 0.96); --g-chip-label: rgba(253, 251, 247, 0.94); }

.pane-head, .side-panel-head, .modal-head, .modal-foot, .profile-topbar { border-color: var(--g-divider); }
.menu-sep { background: var(--g-divider); }
.cut-section-heading { border-bottom-color: var(--g-divider); }

.cut-steps-modechips { display: none; }

.facet-label {
  color: var(--text-0);
  background: var(--g-chip-label);
  border: 1px solid var(--g-rim);
  box-shadow: inset 0 1px 0 var(--g-hi), 0 1px 3px rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  padding: 1px 7px;
}
.facet-number-label:hover { background: var(--g-active); border-color: color-mix(in srgb, var(--accent) 55%, var(--g-rim)); color: var(--accent); }
.marker-label { color: var(--accent); background: var(--g-chip-label); border-color: color-mix(in srgb, var(--accent) 45%, var(--g-rim)); }

.side-toggle.side-toggle-stack { border-radius: 12px; padding: 3px; gap: 3px; }
.side-toggle.side-toggle-stack button { border-radius: 9px; width: 100%; text-align: center; }
.side-toggle.side-toggle-stack button + button { border-top: 1px solid transparent; }
.side-toggle.side-toggle-inline { padding: 2px; gap: 2px; }
.side-toggle.side-toggle-inline button { border-radius: 999px; }
.side-toggle.side-toggle-inline button + button { border-left: 1px solid transparent; }

.modal { background: var(--g-modal); }
.profile-topbar { background: transparent; }
.profile-identity, .profile-card, .cut-example, .designer-link-btn { background: var(--g-fill); border-color: var(--g-rim); box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow); border-radius: 12px; }
.designer-link-btn { border-radius: 999px; }
.designer-link-btn:hover { background: var(--g-fill-hover); border-color: var(--g-rim-strong); }
.designer-link-btn svg { color: var(--accent); }
.designer-photo-frame { background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 70%, white) 0%, var(--accent) 100%); }
.designer-tagline, .cut-example-fig figcaption, .ex-meta-k { color: var(--text-2); }
.designer-link, .cutter-link { color: var(--accent); border-bottom-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.designer-link:hover, .designer-link:focus-visible, .cutter-link:hover, .cutter-link:focus-visible { color: var(--accent-hover); border-bottom-color: var(--accent-hover); }
.designer-photo-missing { color: var(--accent); background: var(--g-well); }

:root, html[data-theme="light"] { --gold: var(--accent); --gold-soft: var(--accent-soft); }
:root, html[data-theme="light"] { --cream: var(--text-0); --cream-dim: var(--text-1); --tan: var(--text-2); }
.cut-section-heading, .cut-breakdown-heading, .cut-design-title { color: var(--text-2); }
.stat-box .v, .cut-stats-grid .stat-box .v, .analyse-ct b, .rough-vol-readout b { color: var(--text-0); }
.ri-bar { background: linear-gradient(to right, var(--accent), var(--accent-hover)); }
.facet-group-row { background: var(--g-fill); border: 1px solid var(--g-rim); border-radius: 10px; box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow); }
.facet-group-row:hover { background: var(--g-fill-hover); border-color: var(--g-rim-strong); }
.facet-group-row.active { background: var(--g-active); border-color: color-mix(in srgb, var(--accent) 55%, var(--g-rim)); }
.facet-group-row .fg-diagram { background: var(--g-well); border-color: transparent; border-radius: 8px; }

.header-avatar, .profile-avatar-lg { background: var(--g-fill); border-color: var(--g-rim); box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow); }

.man-toc { background: transparent; border-right-color: var(--g-divider); }
.man-toc-link:hover { background: var(--g-fill); }
.man-fig, .man-ex-note, .man-shot-ph { background: var(--g-fill); border-color: var(--g-rim); box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow); border-radius: 12px; }
.man-ex-note { border-left: 3px solid var(--accent); }
.man-shot-img { border-color: var(--g-rim); box-shadow: var(--g-shadow); border-radius: 12px; }
.man-kbrow .kbd, .shortcut-row .kbd, .man-ex-set span { background: var(--g-fill); border-color: var(--g-rim); box-shadow: inset 0 1px 0 var(--g-hi), 0 1px 0 var(--g-lo); color: var(--text-0); }
.man-sec h4, .man-gloss dt { color: var(--text-0); }
.man-x { color: var(--accent); border-bottom-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.gemdb-title, .lap-row .ri-col-name { color: var(--text-0); }
.lap-mohs { color: var(--text-1); }
.ri-search { background: var(--g-well); border-color: transparent; box-shadow: inset 0 1px 2px var(--g-lo), inset 0 0 0 1px var(--g-rim); border-radius: 9px; }
.ri-track { background: var(--g-well); }

.modal select, .settings-row select, .field select, .modal input[type="text"], .modal input[type="number"], .modal textarea {
  background: var(--g-well); border: 1px solid transparent; border-radius: 9px; color: var(--text-0);
  box-shadow: inset 0 1px 2px var(--g-lo), inset 0 0 0 1px var(--g-rim);
}
.modal select:focus, .modal input:focus, .modal textarea:focus { outline: none; box-shadow: inset 0 1px 2px var(--g-lo), 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent); }
.modal-body .field-label, .settings-note { color: var(--text-2); }

.convert-index-menu { background: var(--g-modal); border: 1px solid var(--g-rim-strong); border-radius: 12px; box-shadow: inset 0 1px 0 var(--g-hi), var(--g-shadow-lift); -webkit-backdrop-filter: blur(20px) saturate(1.4); backdrop-filter: blur(20px) saturate(1.4); }
.convert-index-item { border-radius: 8px; }
.convert-index-item:hover { background: var(--g-active); color: var(--accent); }
.convert-index-item.convert-index-original { color: var(--accent); }
.convert-index-flag { color: var(--text-3); }
.convert-index-item.warn .convert-index-flag { color: var(--text-2); font-style: italic; }
.convert-index-flag.ok { color: var(--ok); }

@font-face { font-family: "Archivo"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%; src: url(../assets/fonts/archivo-latin-ext-wdth-normal.woff2) format("woff2-variations"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Archivo"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%; src: url(../assets/fonts/archivo-latin-wdth-normal.woff2) format("woff2-variations"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
.brand-name, #printSheet .ps-brand-name, .ps-brand-name {
  font-family: "Archivo", "Inter", system-ui, sans-serif; font-variation-settings: "wdth" 105, "wght" 560; font-weight: 560;
  letter-spacing: -0.01em; color: var(--text-0);
}
.brand-name small, #printSheet .ps-brand-name small, .ps-brand-name small {
  font-family: var(--font-mono); font-variation-settings: normal; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3);
}
#printSheet .ps2corner { font-family: "Archivo", "Inter", system-ui, sans-serif; font-variation-settings: "wdth" 105, "wght" 560; }

.mast-dark, .gear-disc { fill: #1a1412; stroke: #3d312e; }