:root {
  color-scheme: dark;
  --bg: #2a2a31;
  --surface: #35353e;
  --surface-strong: #41414c;
  --line: rgba(255, 255, 255, .12);
  --text: #f4f7fa;
  --muted: #aeb3c1;
  --theme: #00e6e6;
  --red: #ff6464;
  --blue: #76d6e1;
  --yellow: #fcecbD;
  font-family: ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { min-width: 320px; min-height: 100dvh; margin: 0; background: var(--bg); color: var(--text); }
button, input { font: inherit; }
button { color: inherit; cursor: pointer; }
button:disabled, input:disabled, select:disabled { cursor: default; pointer-events: none; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.app-shell { height: 100dvh; min-height: 600px; display: grid; grid-template-rows: auto auto minmax(0, 1fr); overflow: hidden; }
.app-shell[hidden] { display: none; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px clamp(12px, 2vw, 28px); border-bottom: 1px solid var(--line); background: rgba(42,42,49,.98); }
.brand { display: flex; align-items: center; gap: 9px; min-width: max-content; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand strong { display: block; font-size: 15px; letter-spacing: .02em; }
.brand span, .eyebrow { display: block; color: var(--muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.toolbar { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.user-menu { position: relative; }
.user-menu-trigger { display: inline-flex; align-items: center; gap: 6px; }
.account-icon-button { width: 42px; justify-content: center; padding: 0 7px; }
.account-icon-button svg { width: 21px; height: 21px; fill: #f4f7fa; stroke: none; }
.user-menu-panel { position: absolute; z-index: 90; top: calc(100% + 7px); right: 0; display: grid; min-width: 220px; overflow: hidden; border: 1px solid rgba(0,230,230,.3); border-radius: 9px; background: #373741; box-shadow: 0 14px 38px rgba(0,0,0,.42); }
.user-menu-identity { padding: 11px 12px; border-bottom: 1px solid var(--line); color: white; font-size: 12px; font-weight: 650; line-height: 1.45; white-space: pre-line; overflow-wrap: anywhere; }
.user-menu-identity::first-line { color: white; }
.user-menu-item { min-height: 38px; padding: 8px 12px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: #e7e9ed; font-size: 12px; text-align: left; }
.feedback-menu-item { display: flex; align-items: center; text-decoration: none; }
.user-menu-item:last-child { border-bottom: 0; }
.user-menu-item:hover, .user-menu-item:focus-visible { background: rgba(0,230,230,.1); }
.user-menu-item.danger { color: #ffaaaa; }
.user-menu-separator { height: 1px; background: var(--line); }
.tool-button, .icon-button, .mode-tabs button { border: 1px solid var(--line); border-radius: 8px; background: #3b3b45; min-height: 34px; padding: 7px 11px; font-size: 13px; transition: background .15s, border-color .15s, color .15s; }
.tool-button:hover:not(:disabled), .icon-button:hover:not(:disabled), .mode-tabs button:hover:not(:disabled) { background: var(--surface-strong); }
.tool-button.primary { color: #102b2b; background: var(--theme); border-color: var(--theme); font-weight: 700; }
.icon-button { width: 34px; padding: 0; font-size: 19px; line-height: 1; }
#settingsButton { display: none; }
.language-picker select { min-height: 34px; padding: 0 7px; border: 1px solid var(--line); border-radius: 8px; background: #3b3b45; color: white; font-size: 12px; font-weight: 700; }

.mode-tabs { display: flex; align-items: stretch; justify-content: center; gap: 4px; overflow-x: auto; padding: 8px 12px; border-bottom: 1px solid var(--line); background: #303039; scrollbar-width: none; }
.mode-tabs::-webkit-scrollbar { display: none; }
.mode-tabs button { flex: 0 0 auto; min-width: 78px; border: 0; background: transparent; color: var(--muted); border-radius: 6px; }
.mode-tabs button.active { color: var(--theme); background: rgba(0, 230, 230, .1); box-shadow: inset 0 -2px 0 var(--theme); }

.workspace { position: relative; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); }
.image-stage { position: relative; min-width: 0; min-height: 0; overflow: hidden; background: #202026; }
#plannerCanvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.readouts { position: absolute; z-index: 2; top: 15px; left: 15px; display: grid; gap: 7px; pointer-events: none; max-width: 180px; }
.readout { padding: 7px 9px; border: 1px solid rgba(255,255,255,.22); border-radius: 6px; background: rgba(36,36,42,.75); color: white; font-size: 12px; line-height: 1.22; box-shadow: 0 2px 10px rgba(0,0,0,.12); backdrop-filter: blur(3px); }
.readout strong { display: block; color: var(--muted); font-weight: 500; font-size: 10px; }
.readout.warning, .abnormal-angle { color: var(--red) !important; }
.readout.warning strong { color: #ffb1b1; }
.stage-badges { position: absolute; top: 15px; right: 15px; display: flex; gap: 7px; pointer-events: none; }
.stage-badges span { padding: 5px 8px; border-radius: 5px; background: rgba(36,36,42,.74); border: 1px solid rgba(255,255,255,.2); font-size: 12px; font-weight: 700; }
.stage-badges #sideBadge { color: var(--red); }
.stage-badges .muted { color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .08em; }
.empty-message { position: absolute; z-index: 3; inset: auto 20px 50%; transform: translateY(50%); display: grid; justify-items: center; gap: 8px; text-align: center; color: var(--muted); pointer-events: none; }
.empty-message strong { color: white; font-size: clamp(16px, 3vw, 22px); }
.empty-message span { font-size: 13px; }
.empty-message.hidden { display: none; }
.axis-confirm { position: absolute; z-index: 5; left: 50%; bottom: 20px; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; width: max-content; max-width: calc(100% - 24px); padding: 10px 13px; border: 1px solid rgba(0,230,230,.4); border-radius: 9px; background: rgba(36,36,42,.94); box-shadow: 0 8px 26px rgba(0,0,0,.3); font-size: 12px; }
.axis-confirm p { margin: 0; }
.axis-confirm label { display: flex; align-items: center; gap: 5px; color: var(--muted); white-space: nowrap; }
.axis-confirm input { accent-color: var(--theme); width: 75px; }
.axis-confirm button { border: 0; border-radius: 6px; padding: 7px 10px; background: var(--theme); color: #102b2b; font-size: 12px; font-weight: 700; white-space: nowrap; }
.hidden { display: none !important; }

.control-panel { z-index: 10; display: flex; flex-direction: column; overflow-y: auto; padding: 18px; background: var(--surface); border-left: 1px solid var(--line); scrollbar-color: #5b5b65 transparent; }
.panel-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.panel-head h1 { margin: 3px 0 0; font-size: 18px; font-weight: 650; }
.panel-close { display: none; }
.settings-section { padding: 15px 0; border-bottom: 1px solid var(--line); }
.settings-section h2 { margin: 0 0 10px; color: #d8dce4; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.toggle-row, .number-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 34px; color: #e7e9ed; font-size: 13px; }
.toggle-row input { width: 36px; accent-color: var(--theme); }
.choice-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 32px; color: #e7e9ed; font-size: 13px; }
.choice-row > span { min-width: 0; }
.osteotomy-subsection, #singleOsteotomySettings { display: grid; gap: 9px; padding: 2px 0 14px; }
.osteotomy-subsection + .osteotomy-subsection { padding-top: 14px; border-top: 1px solid var(--line); }
.osteotomy-subsection h3 { margin: 0 0 2px; color: white; font-size: 14px; font-weight: 650; }
.osteotomy-type { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0 0 8px; padding: 7px 9px; border: 1px solid rgba(0,230,230,.27); border-radius: 6px; background: rgba(0,230,230,.07); color: var(--muted); font-size: 12px; }
.osteotomy-type strong { color: var(--theme); font-size: 13px; letter-spacing: .06em; }
.segmented-control { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 108px; flex: 0 0 108px; overflow: hidden; border: 1px solid var(--theme); border-radius: 999px; background: rgba(0,0,0,.08); }
.segmented-control button { min-width: 0; min-height: 26px; border: 0; background: transparent; color: #f4f7fa; font-size: 10px; font-weight: 650; }
.segmented-control button.selected { background: #787882; color: white; border-radius: 999px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.number-row input { width: 86px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 5px; background: #292932; color: white; text-align: right; }
.number-row span { color: var(--muted); margin-left: -7px; font-size: 12px; }
.about p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.zoom-row { display: grid; grid-template-columns: 34px minmax(0, 1fr) 34px auto; align-items: center; gap: 7px; }
.zoom-row button { min-height: 32px; border: 1px solid var(--line); border-radius: 6px; background: #41414c; color: white; font-weight: 700; }
.zoom-row label { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 8px; color: #e7e9ed; font-size: 12px; }
.zoom-row label b { color: var(--theme); font-size: 11px; }
.zoom-row input { grid-column: 1 / -1; width: 100%; accent-color: var(--theme); }
.zoom-row .reset-zoom { padding: 0 8px; font-size: 11px; font-weight: 600; }
.magnifier-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 8px; margin-top: 11px; color: #e7e9ed; font-size: 12px; }
.magnifier-row b { color: var(--theme); font-size: 11px; }
.magnifier-value { display: inline-flex; align-items: center; gap: 7px; }
.magnifier-row .reset-zoom { min-height: 25px; padding: 0 8px; border: 1px solid var(--line); border-radius: 5px; background: #41414c; color: white; font-size: 11px; font-weight: 600; }
.magnifier-row input { grid-column: 1 / -1; width: 100%; accent-color: var(--theme); }
.zoom-section .subtle { margin: 9px 0 0; color: var(--muted); font-size: 11px; line-height: 1.4; }

.parameter-card { display: grid; gap: 12px; padding: 15px 0 3px; }
.parameter-card label { display: grid; grid-template-columns: minmax(0, 1fr) 78px; align-items: center; gap: 10px; color: #dde0e6; font-size: 13px; }
.parameter-card .driver-row { display: flex; flex-direction: column; align-items: stretch; gap: 6px; min-width: 0; }
.parameter-card .driver-row > span { display: block; min-width: 0; overflow-wrap: anywhere; }
.parameter-card .driver-row select { display: block; width: 100%; max-width: 100%; min-width: 0; min-height: 40px; font-size: 14px; }
.parameter-card .value-row { display: flex; flex-direction: column; align-items: stretch; gap: 6px; min-width: 0; }
.parameter-card .value-row input { display: block; width: 100%; max-width: 100%; min-width: 0; min-height: 39px; font-size: 14px; }
.parameter-card select, .parameter-card input[type="number"] { width: 100%; padding: 7px; border: 1px solid var(--line); border-radius: 6px; background: #292932; color: white; }
.parameter-card input[type="range"] { grid-column: 1 / -1; width: 100%; margin: -4px 0 1px; accent-color: var(--theme); }
.parameter-card .parameter-label { display: flex; justify-content: space-between; gap: 5px; }
.parameter-card .parameter-label b { color: var(--theme); font-weight: 650; }
.parameter-card .subtle { color: var(--muted); font-size: 11px; line-height: 1.4; }
.length-actions { display: flex; gap: 8px; }
.length-actions button, .clear-button { border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; background: #41414c; font-size: 12px; }
.length-list { display: grid; gap: 6px; margin-top: 3px; }
.length-list div { display: flex; justify-content: space-between; gap: 8px; padding: 7px 8px; border-radius: 5px; background: rgba(0,0,0,.13); font-size: 12px; }
.length-list button { border: 0; background: transparent; color: var(--red); font-size: 16px; line-height: .8; }
.length-list label { display: flex; align-items: center; gap: 8px; min-width: 0; cursor: pointer; }
.length-list input { width: 15px; height: 15px; accent-color: var(--theme); }
.simulation-status { padding: 9px; border-left: 3px solid var(--theme); background: rgba(0,230,230,.08); color: #c8fafa; font-size: 11px; line-height: 1.45; }
.simulation-actions { display: flex; gap: 8px; }
.simulation-actions button { flex: 1; min-height: 36px; border: 1px solid rgba(0,230,230,.55); border-radius: 7px; background: rgba(0,230,230,.1); color: var(--theme); font-size: 12px; font-weight: 700; }
.simulation-actions button.secondary { border-color: var(--line); background: #41414c; color: #e7e9ed; }
.planning-actions { display: grid; gap: 7px; }
.planning-actions button { min-height: 38px; border: 1px solid rgba(0,230,230,.72); border-radius: 7px; background: var(--theme); color: #102a2d; font-size: 13px; font-weight: 750; }
.planning-actions button:disabled { opacity: .55; cursor: wait; }
.planning-status { color: var(--muted); font-size: 11px; line-height: 1.35; }
.planning-call-count { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; }
.planning-call-count b { color: var(--theme); }
.planning-call-count button { border: 0; border-bottom: 1px solid var(--line); padding: 1px 0; background: transparent; color: #d9e0e6; font-size: 11px; }

.report-modal { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; padding: 18px; background: rgba(11,12,17,.72); backdrop-filter: blur(5px); }
.report-dialog { width: min(720px, 100%); max-height: min(760px, calc(100dvh - 36px)); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; overflow: hidden; border: 1px solid rgba(0,230,230,.32); border-radius: 14px; background: #34343e; box-shadow: 0 22px 70px rgba(0,0,0,.5); }
.report-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 17px 18px 14px; border-bottom: 1px solid var(--line); }
.report-dialog-head h2 { margin: 3px 0 0; font-size: 20px; }
.report-dialog-body { display: grid; align-content: start; gap: 12px; overflow: auto; padding: 18px; }
.report-dialog-body > label { display: grid; grid-template-columns: 136px minmax(0, 1fr); align-items: center; gap: 10px; color: #e7e9ed; font-size: 13px; }
.report-watermark-block { display: grid; gap: 10px; padding: 11px; border: 1px solid rgba(0,230,230,.22); border-radius: 8px; background: rgba(0,230,230,.035); }
.report-watermark-block > label, .report-watermark-advanced > label { display: grid; grid-template-columns: 136px minmax(0, 1fr); align-items: center; gap: 10px; color: #e7e9ed; font-size: 13px; }
.report-watermark-advanced { display: grid; gap: 10px; }
.report-watermark-range-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.report-watermark-range-grid > label { display: grid; grid-template-columns: auto minmax(70px, 1fr); align-items: center; gap: 7px; color: #e7e9ed; font-size: 12px; }
.report-dialog-body > label.report-option { grid-template-columns: auto minmax(0, 1fr); justify-content: start; gap: 9px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; background: rgba(0,0,0,.1); }
.report-dialog-body > label.report-option > input[type="checkbox"], .report-compare-select > input[type="checkbox"] { appearance: none; display: grid; place-content: center; width: 20px; height: 20px; min-height: 20px; margin: 0; padding: 0; border: 2px solid #7d8591; border-radius: 5px; background: #24262d; cursor: pointer; }
.report-dialog-body > label.report-option > input[type="checkbox"]:checked, .report-compare-select > input[type="checkbox"]:checked { border-color: var(--theme); background-color: var(--theme); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M4 10.5 8 14l8-8' fill='none' stroke='%2310222b' stroke-linecap='round' stroke-linejoin='round' stroke-width='3'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; background-size: 80%; }
.report-dialog-body > label.report-option > input[type="checkbox"]:focus-visible, .report-compare-select > input[type="checkbox"]:focus-visible { outline: 3px solid rgba(0,230,230,.35); outline-offset: 2px; }
.report-range-control { display: grid; grid-template-columns: minmax(54px, 1fr) 38px; align-items: center; gap: 7px; }
.report-range-control input[type="range"] { width: 100%; min-height: 26px; padding: 0; accent-color: var(--theme); }
.report-range-control output { color: var(--theme); font-variant-numeric: tabular-nums; text-align: right; font-weight: 700; }
.report-dialog select, .report-dialog input { width: 100%; min-width: 0; min-height: 38px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; background: #292932; color: white; }
.report-dialog input:disabled { color: var(--muted); opacity: .72; }
.report-add-button { min-height: 39px; border: 1px solid rgba(0,230,230,.55); border-radius: 7px; background: rgba(0,230,230,.11); color: var(--theme); font-size: 13px; font-weight: 700; }
.report-dialog-foot button { min-height: 39px; border: 1px solid rgba(255,255,255,.25); border-radius: 7px; background: #454550; color: white; font-size: 13px; font-weight: 700; }
.report-plan-list { display: grid; gap: 8px; }
.report-combo-targets { display: grid; gap: 12px; }
.report-combo-targets > label { display: grid; grid-template-columns: 136px minmax(0, 1fr); align-items: center; gap: 10px; color: #e7e9ed; font-size: 13px; }
.report-plan-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: rgba(0,0,0,.12); }
.report-plan-entry.comparison-entry { grid-template-columns: auto minmax(0, 1fr) auto; }
.report-compare-select { display: grid; justify-items: center; gap: 4px; color: var(--muted); font-size: 10px; text-align: center; cursor: pointer; }
.report-plan-entry.comparison-entry:has(.report-compare-select > input:checked) { border-color: rgba(0,230,230,.56); background: rgba(0,230,230,.075); }
.report-plan-entry strong { display: block; color: white; font-size: 13px; }
.report-plan-entry span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.report-plan-entry button { min-height: 30px; padding: 0 9px; border: 1px solid rgba(255,100,100,.45); border-radius: 5px; background: rgba(255,100,100,.08); color: #ffaaaa; font-size: 12px; }
.report-plan-list .empty-report-plans { padding: 13px; border: 1px dashed rgba(255,255,255,.22); border-radius: 7px; color: var(--muted); font-size: 12px; text-align: center; }
.report-dialog-foot { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; padding: 14px 18px 18px; border-top: 1px solid var(--line); }

/* v1.2 local account administration */
.auth-modal { position: fixed; z-index: 120; inset: 0; display: grid; place-items: center; padding: 18px; background: radial-gradient(circle at 50% 15%, rgba(0,230,230,.11), transparent 35%), #202027; }
.auth-dialog { width: min(440px, 100%); overflow: hidden; border: 1px solid rgba(0,230,230,.34); border-radius: 15px; background: #34343e; box-shadow: 0 24px 80px rgba(0,0,0,.5); }
.auth-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px; border-bottom: 1px solid var(--line); }
.auth-dialog-body { display: grid; gap: 16px; padding: 22px 20px 20px; }
.auth-heading h1 { margin: 3px 0 7px; color: white; font-size: 22px; }
.auth-heading p, .auth-notice, .auth-hint { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.auth-form { display: grid; gap: 12px; }
.auth-form label { display: grid; gap: 6px; color: #e7e9ed; font-size: 12px; }
.auth-form input { width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: #292932; color: white; font-size: 14px; }
.auth-submit { min-height: 42px; margin-top: 2px; border: 1px solid var(--theme); border-radius: 7px; background: var(--theme); color: #102b2b; font-size: 13px; font-weight: 750; }
.auth-submit:disabled { cursor: wait; opacity: .7; }
.auth-secondary-action { min-height: 38px; border: 1px solid var(--line); border-radius: 7px; background: #454550; color: white; font-size: 12px; font-weight: 700; }
.auth-error { padding: 10px 12px; border: 1px solid rgba(255,100,100,.45); border-radius: 7px; background: rgba(255,100,100,.08); color: #ffb2b2; font-size: 12px; line-height: 1.4; }
.auth-success { padding: 10px 12px; border: 1px solid rgba(104,226,158,.4); border-radius: 7px; background: rgba(104,226,158,.08); color: #a7ebc4; font-size: 12px; line-height: 1.4; }
.account-password-modal { z-index: 130; }
.account-admin-modal { position: fixed; z-index: 110; inset: 0; display: grid; place-items: center; padding: 18px; background: rgba(11,12,17,.78); backdrop-filter: blur(5px); }
.account-admin-dialog { width: min(1080px, 100%); max-height: min(820px, calc(100dvh - 36px)); display: grid; grid-template-rows: auto minmax(0, 1fr); overflow: hidden; border: 1px solid rgba(0,230,230,.32); border-radius: 14px; background: #34343e; box-shadow: 0 22px 70px rgba(0,0,0,.5); }
.account-admin-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 17px 18px 14px; border-bottom: 1px solid var(--line); }
.account-admin-head h2 { margin: 3px 0 0; font-size: 20px; }
.account-admin-body { overflow: auto; padding: 18px; }
.account-admin-notice { display: flex; align-items: flex-start; gap: 9px; margin-bottom: 16px; padding: 11px 12px; border: 1px solid rgba(252,236,189,.33); border-radius: 8px; background: rgba(252,236,189,.06); color: #f7edc7; font-size: 12px; line-height: 1.5; }
.account-admin-notice strong { color: var(--yellow); }
.account-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.account-summary-card { min-height: 88px; padding: 13px; border: 1px solid var(--line); border-radius: 8px; background: rgba(0,0,0,.11); }
.account-summary-card span { display: block; color: var(--muted); font-size: 11px; }
.account-summary-card strong { display: block; margin-top: 6px; color: white; font-size: 26px; font-variant-numeric: tabular-nums; }
.account-summary-card.accent { border-color: rgba(0,230,230,.35); background: rgba(0,230,230,.06); }
.account-summary-card.accent strong { color: var(--theme); }
.account-admin-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.account-admin-filters { display: flex; flex: 1 1 480px; flex-wrap: wrap; gap: 8px; }
.account-admin-filters input, .account-admin-filters select, .account-form input, .account-form select { min-height: 38px; border: 1px solid var(--line); border-radius: 7px; background: #292932; color: white; font-size: 13px; }
.account-admin-filters input { flex: 1 1 230px; min-width: 0; padding: 7px 10px; }
.account-admin-filters select { flex: 0 1 165px; min-width: 130px; padding: 7px 8px; }
.account-action, .account-secondary-action, .account-danger-action { min-height: 38px; padding: 7px 11px; border-radius: 7px; font-size: 12px; font-weight: 700; }
.account-action { border: 1px solid var(--theme); background: var(--theme); color: #102b2b; }
.account-secondary-action { border: 1px solid var(--line); background: #454550; color: white; }
.account-danger-action { border: 1px solid rgba(255,100,100,.48); background: rgba(255,100,100,.08); color: #ffaaaa; }
.account-grid { width: 100%; border-collapse: collapse; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: rgba(0,0,0,.08); }
.account-grid th, .account-grid td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.account-grid tr:last-child td { border-bottom: 0; }
.account-grid th { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.account-grid td { color: #e7e9ed; font-size: 12px; }
.account-person { display: grid; gap: 3px; min-width: 155px; }
.account-person strong { color: white; font-size: 13px; }
.account-person span, .account-access-detail, .account-updated { color: var(--muted); font-size: 11px; }
.account-type-badge, .account-status-badge { display: inline-flex; width: max-content; align-items: center; min-height: 23px; padding: 3px 7px; border: 1px solid var(--line); border-radius: 999px; font-size: 10px; font-weight: 700; }
.account-type-badge.internal { border-color: rgba(118,214,225,.5); color: var(--blue); background: rgba(118,214,225,.08); }
.account-type-badge.trial { border-color: rgba(252,236,189,.5); color: var(--yellow); background: rgba(252,236,189,.08); }
.account-type-badge.paid { border-color: rgba(0,230,230,.5); color: var(--theme); background: rgba(0,230,230,.08); }
.account-role-badge { display: inline-flex; width: max-content; align-items: center; min-height: 20px; padding: 2px 6px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.account-role-badge.admin { border-color: rgba(0,230,230,.45); color: var(--theme); background: rgba(0,230,230,.07); }
.account-status-badge.active { border-color: rgba(104,226,158,.4); color: #8de4b3; background: rgba(104,226,158,.08); }
.account-status-badge.pending { border-color: rgba(252,236,189,.4); color: var(--yellow); background: rgba(252,236,189,.08); }
.account-status-badge.suspended, .account-status-badge.expired { border-color: rgba(255,100,100,.4); color: #ffaaaa; background: rgba(255,100,100,.08); }
.account-row-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 6px; min-width: 158px; }
.account-row-actions button { min-height: 30px; padding: 5px 8px; border-radius: 5px; font-size: 11px; }
.account-protected-note { align-self: center; max-width: 132px; color: var(--muted); font-size: 10px; line-height: 1.3; text-align: right; }
.account-empty { padding: 44px 18px; border: 1px dashed rgba(255,255,255,.22); border-radius: 8px; color: var(--muted); text-align: center; font-size: 13px; line-height: 1.5; }
.account-form-shell { margin: 0 0 16px; padding: 15px; border: 1px solid rgba(0,230,230,.3); border-radius: 9px; background: rgba(0,230,230,.045); }
.account-form-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 13px; }
.account-form-head h3 { margin: 0; font-size: 15px; }
.account-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px 12px; }
.account-form label { display: grid; gap: 5px; color: #e7e9ed; font-size: 12px; }
.account-invitation-link { display: grid; gap: 5px; color: #e7e9ed; font-size: 12px; }
.account-invitation-link input { width: 100%; min-height: 38px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; background: #292932; color: white; font-size: 13px; }
.account-form input, .account-form select { width: 100%; padding: 7px 9px; }
.account-form .account-form-note { grid-column: 1 / -1; margin: -2px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
.account-form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; padding-top: 2px; }
.account-error { margin: 0 0 12px; padding: 10px 12px; border: 1px solid rgba(255,100,100,.45); border-radius: 7px; background: rgba(255,100,100,.08); color: #ffb2b2; font-size: 12px; }
.account-loading { padding: 36px; color: var(--muted); text-align: center; font-size: 13px; }

/* Surgical workflow: settings → scale → planning controls → image view → display. */
.osteotomy-only { order: 1; }
.scale-section { order: 2; }
#modeControls { order: 3; }
.zoom-section { order: 4; }
.display-section { order: 5; }
.about { order: 6; }

@media (max-width: 850px) {
  .app-shell { min-height: 500px; }
  .workspace { display: block; }
  .control-panel { position: absolute; inset: auto 0 0; max-height: min(78%, 560px); transform: translateY(100%); transition: transform .2s ease; border-top: 1px solid var(--line); border-left: 0; border-radius: 15px 15px 0 0; box-shadow: 0 -8px 30px rgba(0,0,0,.3); }
  .control-panel.open { transform: translateY(0); }
  .image-stage { height: 100%; }
  .tool-button:not(.primary) { display: none; }
  #exportButton, #exportReportButton, #savePlanButton, #openPlanButton, #userMenuButton { display: inline-flex; align-items: center; }
  #settingsButton { display: grid; place-items: center; }
  .language-picker select { min-height: 31px; }
  .mode-tabs { justify-content: flex-start; }
  .mode-tabs button { min-width: 68px; padding: 6px 9px; font-size: 12px; }
  .axis-confirm { flex-wrap: wrap; justify-content: center; text-align: center; }
  .report-dialog-body > label { grid-template-columns: 1fr; gap: 5px; }
  .report-watermark-block > label, .report-watermark-advanced > label { grid-template-columns: 1fr; gap: 5px; }
  .report-watermark-range-grid { grid-template-columns: 1fr; gap: 8px; }
  .report-watermark-range-grid > label { grid-template-columns: 136px minmax(0, 1fr); }
  .report-dialog-body > label.report-option { grid-template-columns: auto minmax(0, 1fr); gap: 9px; }
  .report-combo-targets > label { grid-template-columns: 1fr; gap: 5px; }
  .account-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .account-grid { display: block; overflow-x: auto; white-space: nowrap; }
  .account-grid td:last-child { white-space: normal; }
}

@media (max-width: 530px) {
  .topbar { padding: 8px 10px; }
  .brand img { width: 30px; height: 30px; }
  .brand span { display: none; }
  .tool-button, .icon-button { min-height: 31px; }
  .readouts { top: 9px; left: 9px; gap: 5px; max-width: 140px; }
  .readout { padding: 5px 7px; font-size: 10px; }
  .readout strong { font-size: 9px; }
  .stage-badges { top: 9px; right: 9px; }
  .axis-confirm { bottom: 12px; padding: 9px; }
  #userMenuButton { min-height: 31px; }
  .auth-modal { padding: 12px; }
  .auth-dialog-body { padding: 18px 16px; }
  .account-admin-modal { padding: 9px; }
  .account-admin-body { padding: 13px; }
  .account-admin-head { padding: 14px 13px 12px; }
  .account-form { grid-template-columns: 1fr; }
  .account-summary { grid-template-columns: 1fr 1fr; gap: 7px; }
  .account-summary-card { min-height: 72px; padding: 10px; }
  .account-summary-card strong { font-size: 22px; }
}