.lumina-stage{width:100%;display:flex;justify-content:center;padding:22px 12px 8px;font-family:ui-rounded,"Segoe UI",system-ui,sans-serif}.lumina-card{--l-app:#09090b;--l-card:#121215;--l-card-border:rgba(255,255,255,.08);--l-display:rgba(255,255,255,.025);--l-text:#fafafa;--l-muted:#a3a3a3;--l-dim:#737373;--l-num:#171719;--l-num-hover:#262629;--l-func:#252529;--l-func-hover:#35353a;--l-accent:#f59e0b;--l-accent-soft:rgba(245,158,11,.12);--l-op:rgba(255,255,255,.045);--l-equals:linear-gradient(135deg,#fbbf24,#f59e0b 58%,#d97706);position:relative;width:min(420px,100%);min-height:580px;display:flex;flex-direction:column;gap:12px;padding:16px;border:1px solid var(--l-card-border);border-radius:26px;background:var(--l-card);color:var(--l-text);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 34px color-mix(in srgb,var(--l-accent) 7%,transparent);transition:background .25s,border-color .25s,box-shadow .25s}.lumina-card[data-theme="titanium"]{--l-card:#111622;--l-card-border:rgba(6,182,212,.17);--l-display:rgba(8,145,178,.1);--l-muted:#94a3b8;--l-dim:#64748b;--l-num:#111b2a;--l-num-hover:#1d2b3e;--l-func:#1b293a;--l-func-hover:#26384d;--l-accent:#22d3ee;--l-accent-soft:rgba(6,182,212,.14);--l-op:rgba(8,145,178,.13);--l-equals:linear-gradient(135deg,#22d3ee,#0ea5e9 62%,#2563eb)}.lumina-card[data-theme="ceramic"]{--l-app:#f4f4f6;--l-card:#fff;--l-card-border:rgba(148,163,184,.35);--l-display:#f5f6f8;--l-text:#0f172a;--l-muted:#64748b;--l-dim:#94a3b8;--l-num:#f1f2f4;--l-num-hover:#e2e4e8;--l-func:#e9eaed;--l-func-hover:#d9dbe0;--l-accent:#ea580c;--l-accent-soft:rgba(249,115,22,.12);--l-op:#fff7ed;--l-equals:linear-gradient(135deg,#f97316,#f43f5e 65%,#ea580c);box-shadow:0 20px 45px rgba(15,23,42,.12)}.lumina-card[data-theme="emerald"]{--l-card:#0a1f19;--l-card-border:rgba(16,185,129,.2);--l-display:rgba(6,78,59,.3);--l-text:#ecfdf5;--l-muted:#a7f3d0;--l-dim:rgba(52,211,153,.55);--l-num:#0c261f;--l-num-hover:#11382d;--l-func:#104032;--l-func-hover:#15543f;--l-accent:#34d399;--l-accent-soft:rgba(16,185,129,.13);--l-op:rgba(6,78,59,.5);--l-equals:linear-gradient(135deg,#34d399,#14b8a6 60%,#059669);box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 35px rgba(16,185,129,.1)}.lumina-card *{box-sizing:border-box}.lumina-card button,.lumina-card input,.lumina-card select{font:inherit}.lumina-card button{cursor:pointer;color:inherit}.lumina-header{display:flex;align-items:center;justify-content:space-between;gap:7px;min-height:38px;padding:0 2px}.lumina-brand{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:16px;font-weight:650;letter-spacing:-.035em}.lumina-logo{width:27px;height:27px;display:grid;place-items:center;border-radius:9px;background:var(--l-accent);color:#141414;font-size:13px;font-weight:850;box-shadow:0 3px 12px color-mix(in srgb,var(--l-accent) 30%,transparent)}.lumina-modes{display:flex;align-items:center;gap:1px;padding:3px;border:1px solid rgba(255,255,255,.08);border-radius:11px;background:rgba(0,0,0,.3);font-size:11px}.lumina-card[data-theme="ceramic"] .lumina-modes{border-color:#e2e8f0;background:#f1f2f4}.lumina-modes button{padding:6px 8px;border:0;border-radius:8px;background:transparent;color:var(--l-muted);font-size:11px;font-weight:550;transition:background .16s,color .16s}.lumina-modes button.active{background:rgba(255,255,255,.14);color:var(--l-text);font-weight:700}.lumina-card[data-theme="ceramic"] .lumina-modes button.active{background:#fff;box-shadow:0 1px 4px #0001}.lumina-tools{display:flex;align-items:center;gap:4px}.tool-button{position:relative;width:31px;height:31px;display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.09);border-radius:10px;background:rgba(255,255,255,.045);color:var(--l-muted)!important;font-size:14px}.lumina-card[data-theme="ceramic"] .tool-button{border-color:#e2e8f0;background:#f7f8fa}.tool-button:hover{border-color:color-mix(in srgb,var(--l-accent) 48%,transparent);color:var(--l-text)!important}.tool-button i{position:absolute;top:-4px;right:-4px;min-width:14px;height:14px;padding:0 3px;border-radius:99px;background:var(--l-accent);color:#151515;font-size:8px;font-style:normal;font-weight:850}.theme-picker{position:relative}.theme-menu{position:absolute;z-index:5;top:38px;right:0;width:164px;display:grid;gap:3px;padding:7px;border:1px solid var(--l-card-border);border-radius:14px;background:var(--l-card);box-shadow:0 12px 36px rgba(0,0,0,.4)}.theme-menu[hidden]{display:none!important}.theme-menu button{display:flex;align-items:center;gap:8px;padding:8px;border:0;border-radius:9px;background:transparent;color:var(--l-text);text-align:left;font-size:11px}.theme-menu button:hover{background:var(--l-func)}.theme-menu i{width:12px;height:12px;border-radius:50%;background:#f59e0b}.theme-menu button[data-theme="titanium"] i{background:#06b6d4}.theme-menu button[data-theme="ceramic"] i{background:#f97316}.theme-menu button[data-theme="emerald"] i{background:#10b981}.lumina-mode-panel[hidden],.scientific-grid[hidden],.history-overlay[hidden]{display:none!important}.lumina-mode-panel{display:flex;flex-direction:column;gap:11px;margin-top:2px}.lumina-display{min-height:132px;display:flex;flex-direction:column;justify-content:flex-end;padding:14px 15px 13px;border:1px solid var(--l-card-border);border-radius:17px;background:var(--l-display)}.display-meta{display:flex;align-items:center;justify-content:space-between;min-height:18px;margin-bottom:5px}.display-meta>span{display:flex;align-items:center;gap:6px}.display-meta button{padding:3px 7px;border:1px solid rgba(255,255,255,.1);border-radius:5px;background:rgba(255,255,255,.04);color:var(--l-muted);font-family:ui-monospace,monospace;font-size:10px}.display-meta button[hidden],.display-meta b[hidden]{display:none}.display-meta b{padding:2px 5px;border:1px solid color-mix(in srgb,var(--l-accent) 40%,transparent);border-radius:4px;background:var(--l-accent-soft);color:var(--l-accent);font-family:ui-monospace,monospace;font-size:9px}.display-meta>button{border:0;background:transparent;color:var(--l-muted);font-size:10px}.display-expression{height:23px;overflow-x:auto;color:var(--l-muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;text-align:right;white-space:nowrap}.display-value{display:block;width:100%;overflow-x:auto;color:var(--l-text);font-size:clamp(36px,10vw,54px);font-weight:300;letter-spacing:-.06em;line-height:1.1;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.lumina-keypad-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:27px;padding:0 2px}.memory-keys{display:flex;align-items:center;gap:0}.memory-keys button{padding:5px 7px;border:0;background:transparent;color:var(--l-muted);font-family:ui-monospace,monospace;font-size:10px}.memory-keys button:hover{color:var(--l-text)}.scientific-toggle{padding:5px 9px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:transparent;color:var(--l-muted);font-size:10px}.scientific-toggle.active{border-color:color-mix(in srgb,var(--l-accent) 45%,transparent);background:var(--l-accent-soft);color:var(--l-accent)}.scientific-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:8px;border:1px solid rgba(255,255,255,.055);border-radius:12px;background:rgba(0,0,0,.24)}.scientific-grid button{height:34px;border:1px solid rgba(255,255,255,.035);border-radius:8px;background:rgba(255,255,255,.045);color:var(--l-muted);font-family:ui-monospace,monospace;font-size:11px}.scientific-grid button:hover{background:var(--l-func-hover);color:var(--l-text)}.scientific-grid button:nth-child(9),.scientific-grid button:nth-child(10){color:var(--l-accent)}.basic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.basic-grid button{height:57px;border:1px solid rgba(255,255,255,.055);border-radius:15px;background:var(--l-num);color:var(--l-text);font-size:22px;font-weight:450;transition:transform .08s cubic-bezier(.16,1,.3,1),background .15s,border-color .15s,box-shadow .15s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.basic-grid button:hover{background:var(--l-num-hover)}.basic-grid button:active,.scientific-grid button:active{transform:scale(.94) translateY(1px)}.basic-grid button.key-function{border-color:rgba(255,255,255,.07);background:var(--l-func);color:var(--l-accent);font-size:19px}.basic-grid button.key-function:hover{background:var(--l-func-hover)}.basic-grid button.key-operator{border-color:rgba(255,255,255,.06);background:var(--l-op);color:var(--l-accent);font-size:25px;font-weight:300}.basic-grid button.key-operator.active{background:var(--l-accent);color:#171717;box-shadow:0 0 14px color-mix(in srgb,var(--l-accent) 45%,transparent)}.lumina-card[data-theme="ceramic"] .basic-grid button{border-color:#e5e7eb}.basic-grid button.key-equals{background:var(--l-equals);color:#171717;font-size:24px;font-weight:750;box-shadow:0 4px 18px color-mix(in srgb,var(--l-accent) 30%,transparent)}.converter-panel{gap:12px}.converter-categories{display:flex;gap:5px;overflow-x:auto;padding:2px 0 4px;scrollbar-width:thin}.converter-categories button{padding:7px 10px;border:1px solid var(--l-card-border);border-radius:9px;background:rgba(255,255,255,.035);color:var(--l-muted);font-size:10px;text-transform:capitalize}.converter-categories button.active{border-color:var(--l-accent);background:var(--l-accent);color:#111;font-weight:750}.converter-box{display:grid;grid-template-columns:1fr auto;gap:7px;padding:13px;border:1px solid var(--l-card-border);border-radius:16px;background:var(--l-display)}.converter-box label{align-self:center;color:var(--l-muted);font-size:11px}.converter-box select{max-width:205px;padding:6px 8px;border:1px solid var(--l-card-border);border-radius:8px;background:var(--l-card);color:var(--l-text);font-size:11px}.converter-box input,.converter-box output{grid-column:1/-1;width:100%;padding:3px 0;border:0;background:transparent;color:var(--l-text);font-size:28px;font-weight:300;outline:0}.converter-box output{color:var(--l-accent)}.convert-swap{align-self:center;width:34px;height:28px;margin:-13px auto;border:1px solid var(--l-card-border);border-radius:9px;background:var(--l-card);color:var(--l-accent);font-size:18px;z-index:1}.converter-note{margin:0;color:var(--l-dim);font-size:9px;line-height:1.5}.split-panel{gap:12px}.split-label,.tip-title{display:flex;align-items:center;justify-content:space-between;color:var(--l-muted);font-size:11px}.bill-input{width:100%;margin-top:-8px;padding:2px 0 8px;border:0;border-bottom:1px solid var(--l-card-border);outline:0;background:transparent;color:var(--l-text);font-size:32px;font-weight:300}.tip-title{margin-top:3px}.tip-title strong{color:var(--l-accent);font-size:13px}.tip-presets{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.tip-presets button{padding:8px 2px;border:1px solid var(--l-card-border);border-radius:9px;background:rgba(255,255,255,.035);color:var(--l-muted);font-size:10px}.tip-presets button.active{border-color:transparent;background:var(--l-accent);color:#171717;font-weight:800}.tip-slider{width:100%;margin:-5px 0 0;accent-color:var(--l-accent)}.split-control{display:flex;align-items:center;justify-content:space-between;padding:10px 11px;border:1px solid var(--l-card-border);border-radius:13px;background:rgba(255,255,255,.025);color:var(--l-muted);font-size:11px}.split-control>div{display:flex;align-items:center;gap:12px;color:var(--l-text)}.split-control button{width:29px;height:29px;border:1px solid var(--l-card-border);border-radius:8px;background:rgba(255,255,255,.04);font-size:16px;font-weight:700}.round-toggle{display:flex;align-items:center;gap:8px;color:var(--l-muted);font-size:10px}.round-toggle input{accent-color:var(--l-accent)}.split-results{display:grid;grid-template-columns:1fr 1fr;gap:8px}.split-results>div{display:flex;flex-direction:column;gap:4px;padding:11px;border:1px solid var(--l-card-border);border-radius:14px;background:rgba(255,255,255,.025)}.split-results span{color:var(--l-muted);font-size:10px}.split-results strong{color:var(--l-text);font-size:19px}.split-results small{color:var(--l-dim);font-size:9px}.split-results .pays-card{border-color:color-mix(in srgb,var(--l-accent) 35%,transparent);background:var(--l-accent-soft)}.split-results .pays-card span,.split-results .pays-card small{color:var(--l-accent)}.split-results .pays-card strong{color:var(--l-accent);font-size:23px}.history-overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:flex-end;padding:12px;border-radius:26px;background:rgba(0,0,0,.75);backdrop-filter:blur(8px)}.history-dialog{width:100%;max-height:85%;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--l-card-border);border-radius:20px;background:var(--l-card);box-shadow:0 20px 60px rgba(0,0,0,.55)}.history-dialog>header{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:13px;border-bottom:1px solid var(--l-card-border)}.history-dialog h2{margin:0;font-size:13px;font-weight:650}.history-dialog header>div{display:flex;align-items:center;gap:5px}.history-dialog header button{padding:6px 8px;border:0;border-radius:7px;background:rgba(255,255,255,.05);color:var(--l-muted);font-size:10px}.history-dialog header button[data-tape-clear]{color:#fb7185}.history-dialog header button[hidden]{display:none}.history-items{display:grid;gap:7px;overflow-y:auto;padding:11px}.history-entry{display:grid;gap:4px;padding:10px;border:1px solid rgba(255,255,255,.05);border-radius:11px;background:rgba(255,255,255,.025);text-align:right}.history-entry:hover{background:rgba(255,255,255,.065)}.history-entry time{color:var(--l-dim);font-size:9px}.history-entry span{color:var(--l-muted);font-family:ui-monospace,monospace;font-size:10px}.history-entry strong{color:var(--l-accent);font-size:16px}.history-empty{padding:32px 8px;color:var(--l-dim);font-size:11px;text-align:center}.lumina-card button:focus-visible,.lumina-card input:focus-visible,.lumina-card select:focus-visible{outline:2px solid var(--l-accent);outline-offset:2px}

.lumina-stage{padding:12px 0;display:flex;justify-content:center}
.lumina-card{box-sizing:border-box;width:min(390px,100%);min-height:0;padding:12px;gap:8px;border-radius:22px;overflow:hidden;--l-card:var(--surface,#142036);--l-card-border:var(--line,#2b3b54);--l-text:var(--text,#f4f7fc);--l-muted:var(--muted,#a7b4c8);--l-dim:var(--muted,#a7b4c8);--l-num:#24344c;--l-num-hover:#314663;--l-func:#34445d;--l-func-hover:#435672;--l-op:#203e50;--l-accent:var(--accent,#61d7ff);--l-accent-soft:color-mix(in srgb,var(--l-accent) 12%,var(--l-card));--l-equals:var(--l-accent);background:var(--l-card);border-color:var(--l-card-border);color:var(--l-text);box-shadow:0 16px 44px #0003;color-scheme:dark}
:root[data-theme="light"] .lumina-card{--l-num:#edf2f7;--l-num-hover:#e0e9f2;--l-func:#dce5ef;--l-func-hover:#ccd9e7;--l-op:#dcecf2;color-scheme:light}
.lumina-header{display:flex;min-height:38px;justify-content:space-between;gap:8px;padding:0;flex-shrink:0}
.lumina-modes{margin:0;gap:2px;padding:3px;border-color:var(--l-card-border);background:var(--l-num)}
.lumina-modes button{min-width:58px;padding:7px 9px;font-size:14px;color:var(--l-muted);font-weight:650}
.lumina-modes button.active{background:var(--l-accent);color:#061522}
:root[data-theme="light"] .lumina-modes button.active{color:#fff}
.lumina-tools{position:static;display:flex;gap:4px;transform:none;flex-shrink:0}
.lumina-tools .tool-button{width:30px;height:32px;border-color:var(--l-card-border);background:var(--l-num);color:var(--l-text)!important;font-size:18px}
.lumina-card .tool-button i{color:#061522}
.lumina-mode-panel{gap:8px;margin:0;flex-shrink:0;min-width:0;width:100%}
.lumina-display{min-height:94px;padding:10px 12px;border-color:#7b8c68;background:linear-gradient(#d7e1c6,#c4d1ad);box-shadow:inset 0 2px 6px #263b2329;color:#22301e;color-scheme:light}
.lumina-card .display-value,.lumina-card .display-expression{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#22301e}
.display-value{font-size:38px;line-height:1.12;font-weight:500}
.display-expression{height:20px;font-size:12px}
.lumina-card .display-meta button{color:#34472c;background:#ffffff38;border-color:#7b8c68}
.lumina-card .display-meta b{color:#34472c;background:#ffffff38;border-color:#7b8c68}
.lumina-keypad-tools{min-height:24px;padding:0}
.memory-keys button,.scientific-toggle{color:var(--l-muted)}
.scientific-toggle{border-color:var(--l-card-border)}
.scientific-toggle.active{color:var(--l-accent)}
.basic-grid{gap:6px}
.lumina-card .basic-grid button{height:44px;border:1px solid var(--l-card-border);border-radius:11px;background:var(--l-num);color:var(--l-text);font-size:21px;font-weight:550;box-shadow:0 2px 0 #0002}
.lumina-card .basic-grid button:hover{background:var(--l-num-hover)}
.lumina-card .basic-grid button.key-function{background:var(--l-func);color:var(--l-text);font-size:18px}
.lumina-card .basic-grid button.key-operator{background:var(--l-op);color:var(--l-accent)}
.lumina-card .basic-grid button.key-equals,.lumina-card .basic-grid button.key-operator.active{background:var(--l-accent);color:#061522}
:root[data-theme="light"] .lumina-card .basic-grid button.key-equals,:root[data-theme="light"] .lumina-card .basic-grid button.key-operator.active{color:#fff}
.scientific-grid{gap:4px;padding:6px;background:var(--l-num);border-color:var(--l-card-border)}
.scientific-grid button{height:28px;background:var(--l-func);color:var(--l-text);border-color:var(--l-card-border)}
.converter-categories{flex-wrap:wrap;overflow:hidden;gap:4px}
.converter-categories button,.tip-presets button,.split-control button{background:var(--l-num);color:var(--l-text)}
.converter-categories button.active,.tip-presets button.active{background:var(--l-accent);color:#061522}
:root[data-theme="light"] .converter-categories button.active,:root[data-theme="light"] .tip-presets button.active{color:#fff}
.converter-box{background:var(--l-num)}
.converter-box label{color:var(--l-muted)}
.converter-box select{max-width:190px;background:var(--l-card);color:var(--l-text)}
.converter-box input,.converter-box output{color:var(--l-text)}
.converter-note,.split-results small{color:var(--l-muted)}
.split-control,.split-results>div{background:var(--l-num)}
.split-results .pays-card{background:var(--l-accent-soft)}
.split-results .pays-card span,.split-results .pays-card small,.split-results .pays-card strong{color:var(--l-text)}
.lumina-fullscreen{overflow:hidden!important;overscroll-behavior:none}
.lumina-stage.is-maximized{position:fixed;inset:auto;left:var(--popout-left,0px);top:var(--popout-top,0px);width:var(--popout-width,100vw);height:var(--popout-height,100dvh);z-index:2147483000;padding:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#050c18b8;backdrop-filter:blur(8px);box-sizing:border-box}
.lumina-card.is-maximized{position:relative;inset:auto;width:min(520px,100%);max-width:520px;height:auto;max-height:none;min-height:0;flex:none;align-items:stretch;justify-content:flex-start;padding:14px;gap:8px;transform:scale(var(--popout-scale,1));transform-origin:center;transition:none;border-radius:22px;box-shadow:0 24px 80px #0006}
.lumina-card.is-maximized .lumina-header,.lumina-card.is-maximized .lumina-mode-panel{width:100%;max-width:none;flex-shrink:0}
.lumina-stage.is-maximized{padding-top:max(10px,env(safe-area-inset-top));padding-right:max(10px,env(safe-area-inset-right));padding-bottom:max(10px,env(safe-area-inset-bottom));padding-left:max(10px,env(safe-area-inset-left));touch-action:manipulation;overscroll-behavior:contain}
@media(pointer:coarse){.lumina-card input,.lumina-card select{font-size:16px}.lumina-card .bill-input{font-size:32px}.lumina-card .converter-box input{font-size:28px}.lumina-card.is-maximized{padding:10px}.lumina-card .converter-box select{width:100%;min-width:0;max-width:190px}}
@media(max-width:360px){.lumina-card{padding:8px}.lumina-modes button{min-width:0;padding:7px;font-size:13px}.lumina-header{gap:4px}.lumina-tools{gap:3px}.lumina-tools .tool-button{width:27px}.memory-keys button{padding:4px}.scientific-toggle{padding:4px 6px}.converter-box select{max-width:165px}}
@media(prefers-reduced-motion:reduce){.lumina-card *{transition:none!important}}

/* Keyboard presses share the pointer press appearance. */
.lumina-card .basic-grid button:is(:active,.keyboard-pressed),
.lumina-card .scientific-grid button:is(:active,.keyboard-pressed){transform:scale(.94) translateY(1px);filter:brightness(.9);box-shadow:inset 0 2px 5px #0003}
.lumina-card .lumina-display{position:relative;height:108px;min-height:108px}
.lumina-card .display-meta{position:absolute;top:10px;left:12px;right:12px;gap:8px;min-width:0}
.lumina-card .display-meta>span{flex:0 0 auto}
.lumina-card .display-meta>span:has([data-memory-indicator][hidden]):has([data-angle-toggle][hidden]){display:none}
.lumina-card .display-meta>[data-copy]{flex:0 0 auto;margin-left:auto}
.lumina-card .display-meta .display-expression{position:absolute;top:22px;left:0;right:0;min-width:0;height:20px;overflow-x:auto;overflow-y:hidden;text-overflow:clip;white-space:nowrap;text-align:right;line-height:20px;scrollbar-width:none}
.lumina-card.showing-result .display-meta .display-expression{position:static;flex:1}
.lumina-card .display-meta .display-expression::-webkit-scrollbar{display:none}
.lumina-card .display-value{position:absolute;left:12px;bottom:10px;width:calc(100% - 24px);height:43px;line-height:43px;letter-spacing:-.04em;transition:font-size .22s ease,height .22s ease,line-height .22s ease,transform .22s ease}
.lumina-card.showing-result .display-value{height:64px;line-height:64px;transform:translateY(-6px);font-weight:650}