/* Auth decoration only: card metrics and existing auth transitions stay intact. */
#login{isolation:isolate;--accent:#f07818;--accent-soft:#fff0e3}
#login .login-card .primary{background:#f07818;color:#2b170b}
#login .login-card .primary:hover{background:#e96d0c;color:#2b170b}
#login .login-card{position:relative;z-index:1}
.auth-background{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.auth-art-controls{position:fixed;left:50%;bottom:max(7px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:4;color:#686868;font:12px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.auth-art-controls button{color:inherit}
.auth-art-trigger{display:grid;place-items:center;width:44px;height:32px;margin:auto;background:transparent;border:0;border-radius:12px}
.auth-art-trigger svg{width:17px;height:12px;animation:auth-chevron 4s ease-in-out infinite}
.auth-art-trigger[aria-expanded=true] svg{transform:rotate(180deg);animation:none}
.auth-art-trigger:hover{background:#e8e8e880}
.auth-art-controls button:focus-visible,.auth-art-controls input:focus-visible{outline:1px solid #727272;outline-offset:3px}
.auth-art-popover{position:absolute;bottom:38px;left:50%;transform:translateX(-50%);width:252px;max-width:calc(100vw - 28px);max-height:min(430px,65dvh);overflow:auto;padding:12px;background:#fffffff5;border:1px solid #dedede;border-radius:12px;box-shadow:0 5px 24px #0000000c;animation:auth-popover .16s ease-out}
.auth-art-popover[hidden],.auth-art-settings[hidden]{display:none}
.auth-art-settings{margin:0;padding:3px 4px 0;border:0}
.auth-art-setting{display:grid;grid-template-columns:1fr auto;gap:0 8px;font-size:11px;margin:8px 0;color:#656565}
.auth-art-setting output{font-variant-numeric:tabular-nums;color:#777}
.auth-art-setting input{grid-column:1/-1;width:100%;height:22px;margin:1px 0 0;accent-color:#777;cursor:pointer}
.auth-art-reset{display:block;margin:5px auto 0;font-size:11px;min-height:30px}
@keyframes auth-chevron{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(-2px);opacity:.9}}
@keyframes auth-popover{from{opacity:0;translate:0 4px}to{opacity:1;translate:0 0}}
html.auth-art-paused .auth-art-trigger svg{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.auth-art-trigger svg,.auth-art-popover{animation:none}}
@media(forced-colors:active){.auth-background{display:none}.auth-art-popover{background:Canvas;border-color:CanvasText}}

/* Integrate with the current app appearance without changing the auth card. */
body.dark .auth-art-controls{color:#c4c4c4}
body.dark .auth-art-popover{background:#29292df5;border-color:#414148;box-shadow:0 5px 24px #00000026}
body.dark .auth-art-setting,body.dark .auth-art-setting output{color:#c4c4c4}
body.dark .auth-art-setting input{accent-color:#aaa}
body.dark .auth-art-trigger:hover{background:#ffffff0d}

/* Frosted material: the panel keeps its light/dark tint and opaque content. */
#login .login-card{--auth-glass-rgb:255,255,255;--auth-glass-alpha:.65;--auth-frost:16px;--auth-sheen:.35;background:rgba(var(--auth-glass-rgb),var(--auth-glass-alpha));backdrop-filter:blur(var(--auth-frost)) saturate(115%);-webkit-backdrop-filter:blur(var(--auth-frost)) saturate(115%);border-color:rgba(255,255,255,var(--auth-border-alpha,.144));box-shadow:0 var(--auth-shadow-distance,18px) var(--auth-shadow-blur,55px) rgba(0,0,0,var(--auth-shadow-alpha,.07)),inset 0 1px 0 rgba(255,255,255,var(--auth-edge-alpha,.09))}
#login .login-card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,#ffffff9c,transparent 35%,transparent 70%,#ffffff28);opacity:var(--auth-sheen);z-index:0}
#login .login-card>*{position:relative;z-index:1}
body.dark #login .login-card{--auth-glass-rgb:41,41,45}
.auth-art-popover{width:980px;max-width:calc(100vw - 28px);max-height:min(520px,75dvh);padding:20px;border-radius:18px;box-sizing:border-box}
.auth-art-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:13px}
.auth-art-mode{font-size:11px;padding:3px 9px;background:#80808015;border-radius:20px}
.auth-art-appearance{display:flex;width:max-content;gap:3px;background:#80808012;padding:3px;border-radius:8px;margin-bottom:20px}
.auth-art-appearance button{font-size:11px;padding:5px 14px;border-radius:5px;min-height:28px}
.auth-art-appearance button[aria-pressed=true]{background:var(--panel,#fff);box-shadow:0 1px 4px #00000012}
.auth-art-settings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:0}
.auth-art-settings fieldset{min-width:0;margin:0;padding:0;border:0}
.auth-art-settings legend{font-size:11px;font-weight:600;letter-spacing:.02em;margin:0 0 6px;padding:0}
.auth-art-setting{margin:10px 0;font-size:11px}

.auth-art-reset{margin:0;font-size:11px;white-space:nowrap}
@media(max-width:900px){.auth-art-settings{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.auth-art-settings fieldset:last-child{grid-column:auto}.auth-art-settings fieldset:last-child .auth-art-setting{max-width:100%}.auth-art-popover{padding:16px}}
@media(max-width:420px){.auth-art-settings{gap:14px}.auth-art-setting{font-size:10px}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){#login .login-card{background:var(--panel)}}
@media(prefers-reduced-transparency:reduce){#login .login-card{background:var(--panel);backdrop-filter:none;-webkit-backdrop-filter:none}#login .login-card::before{display:none}}
@media(forced-colors:active){#login .login-card{background:Canvas;backdrop-filter:none;-webkit-backdrop-filter:none;border:1px solid CanvasText}#login .login-card::before{display:none}.auth-art-appearance button[aria-pressed=true]{outline:1px solid Highlight}}

/* One static composited vignette above the drawing, below the glass card. */
.auth-vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse farthest-corner at var(--auth-vignette-x,50%) var(--auth-vignette-y,50%),transparent 22%,rgba(0,0,0,.12) 55%,rgba(0,0,0,.5) 79%,#000 100%);opacity:var(--auth-vignette-strength,.08)}
#login .login-card{z-index:2}
.auth-art-heading{justify-content:flex-start;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.auth-art-heading strong{margin-right:auto}
.auth-art-heading .auth-art-appearance{margin:0;gap:2px;padding:2px;flex-shrink:0}
.auth-art-heading .auth-art-appearance button{font-size:10px;padding:4px 10px;min-height:26px}
.auth-art-heading .auth-art-mode{font-size:10px;margin-right:4px}
@media(max-width:420px){.auth-art-heading .auth-art-appearance{margin-left:auto}.auth-art-heading{row-gap:10px}}
@media(forced-colors:active){.auth-vignette{display:none}}

.auth-art-heading .auth-art-reset{margin:0 8px 0 0;padding:4px 8px;min-height:26px;font-size:10px;white-space:nowrap}