/* Shared glass material. Keep behavior and layout primitives in the page styles. */
:root {
    --glass-fill: rgba(255, 255, 255, .56);
    --glass-edge: rgba(255, 255, 255, .88);
    --glass-input: rgba(255, 255, 255, .56);
    --glass-shine: rgba(255, 255, 255, .76);
    --glass-glow-a: rgba(249, 169, 203, .48);
    --glass-glow-b: rgba(153, 204, 235, .48);
    --glass-shadow: 0 12px 40px rgba(81, 67, 104, .065), inset 0 1px 0 var(--glass-shine);
    --glass-blur: 22px;
    --glass-orb: #efa8cd;
    --glass-orb-deep: #a42d73;
    --muted: #776775;
    --positive: #14764c;
    --radius-lg: 24px;
    --radius-xl: 28px;
}

:root[data-theme="minimal"] {
    --page-bg: #edf3fa;
    --page: #edf3fa;
    --surface: rgba(255, 255, 255, .54);
    --surface-soft: rgba(235, 243, 252, .64);
    --surface-raised: rgba(255, 255, 255, .86);
    --surface-blur: rgba(247, 251, 255, .88);
    --text: #20334e;
    --text-soft: #4b6079;
    --muted: #5d7088;
    --accent: #2864d9;
    --accent-hover: #1e51bc;
    --accent-strong: #2156bb;
    --accent-soft: rgba(222, 235, 255, .8);
    --border: rgba(95, 128, 171, .17);
    --border-strong: rgba(77, 114, 164, .3);
    --glass-glow-a: rgba(152, 193, 251, .62);
    --glass-glow-b: rgba(143, 222, 228, .5);
    --glass-shadow: 0 12px 40px rgba(49, 85, 135, .065), inset 0 1px 0 var(--glass-shine);
    --glass-orb: #a5d9fa;
    --glass-orb-deep: #3868b9;
    --positive: #14764c;
    --warning: #925b0b;
}

:root[data-theme="dark"] {
    --glass-fill: rgba(35, 27, 46, .65);
    --glass-edge: rgba(222, 202, 245, .14);
    --glass-input: rgba(29, 21, 40, .48);
    --glass-shine: rgba(255, 255, 255, .1);
    --glass-glow-a: rgba(164, 56, 123, .27);
    --glass-glow-b: rgba(70, 127, 158, .25);
    --glass-shadow: 0 16px 44px rgba(0, 0, 0, .17), inset 0 1px 0 var(--glass-shine);
    --muted: #b9a7bd;
    --positive: #6de0ad;
}

@media (prefers-color-scheme: dark) {
    :root[data-theme="minimal"] {
        --page-bg: #101b2b;
        --page: #101b2b;
        --surface: rgba(28, 45, 67, .62);
        --surface-soft: rgba(29, 49, 73, .6);
        --surface-raised: rgba(30, 49, 73, .92);
        --surface-blur: rgba(23, 40, 61, .92);
        --text: #e4efff;
        --text-soft: #b1c5df;
        --muted: #9bafc9;
        --accent: #86b5ff;
        --accent-hover: #a8caff;
        --accent-strong: #a5c9ff;
        --accent-soft: rgba(54, 90, 142, .35);
        --positive: #6de0ad;
        --warning: #f0c169;
        --glass-fill: rgba(27, 45, 67, .62);
        --glass-edge: rgba(181, 215, 255, .16);
        --glass-input: rgba(19, 35, 54, .48);
        --glass-shine: rgba(218, 239, 255, .12);
        --glass-glow-a: rgba(53, 109, 189, .32);
        --glass-glow-b: rgba(44, 150, 165, .24);
        --glass-shadow: 0 16px 44px rgba(0, 0, 0, .17), inset 0 1px 0 var(--glass-shine);
    }
}

/* Fixed, static light fields make transparency visible without continuous animation. */
:root body,
:root[data-theme] body {
    background: var(--page-bg, var(--page));
    position: relative;
    isolation: isolate;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 12% 8%, var(--glass-glow-a), transparent 48%),
        radial-gradient(ellipse at 94% 32%, var(--glass-glow-b), transparent 45%),
        radial-gradient(ellipse at 45% 100%, var(--glass-glow-a), transparent 52%),
        linear-gradient(125deg, transparent 38%, var(--glass-shine) 50%, transparent 62%);
}

.app-header {
    width: min(calc(100% - 40px), 1440px);
    top: 16px;
    margin: 16px auto 0;
    border: 1px solid var(--glass-edge);
    border-radius: 22px;
    background: var(--glass-fill);
    box-shadow: var(--glass-shadow);
}

.header-inner {
    width: auto;
    min-height: 76px;
    margin: 0;
    padding: 12px 20px;
    gap: 16px;
    flex-wrap: wrap;
}

.brand { flex-shrink: 0; }
.brand-mark { width: 42px; height: 42px; border: 2px solid var(--glass-edge); border-radius: 14px; }
.brand-copy strong { font-size: 14px; letter-spacing: .01em; }
.brand-copy small { color: var(--muted); letter-spacing: .08em; }
.header-actions { flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.connection-pill, .online-pill { background: var(--glass-input); border-color: var(--border); }

.button, .icon-button { min-height: 44px; font-weight: 600; }
.button-primary { border-color: rgba(255, 255, 255, .2); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 5px 14px var(--accent-ring-shadow); }
.button-primary:hover:not(:disabled) { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3), 0 8px 22px var(--accent-ring-shadow); }
:root[data-theme="minimal"] .button-primary { color: #fff; background: #2864d9; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .26), 0 5px 15px rgba(40, 100, 217, .18); }
:root[data-theme="minimal"] .button-primary:hover:not(:disabled) { background: #2156bb; }
:root[data-theme="minimal"] .send-button { color: #fff; background: #2864d9; }
:root[data-theme="minimal"] .send-button:hover:not(:disabled) { background: #2156bb; }
.button-secondary, .button-quiet { background: var(--glass-input); }
.header-actions .button-quiet { background: transparent; }
.header-actions .button-quiet:hover:not(:disabled) { background: var(--glass-input); }

.page { padding-top: 36px; }
.page-heading { align-items: center; padding: clamp(20px, 2.8vw, 36px); border: 1px solid var(--glass-edge); border-radius: 28px; background: var(--glass-fill); box-shadow: var(--glass-shadow); }
.page-heading > div { min-width: 0; }
:root[data-theme] .page-heading .eyebrow { display: flex; align-items: center; gap: 8px; color: var(--accent-strong); background: none; animation: none; letter-spacing: .18em; font-size: 10px; }
.page-heading .eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.page-nav { gap: 8px; align-items: center; margin-top: 14px; }
.page-heading .page-nav h1, .page-nav-link { font-size: clamp(22px, 2.8vw, 32px); letter-spacing: -.04em; }
.page-nav a { padding: 7px 16px; min-height: 52px; border: 1px solid transparent; border-radius: 16px; }
.page-nav a[aria-current="page"] { background: var(--glass-input); border-color: var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-shine), 0 4px 14px rgba(36, 65, 110, .04); }
.page-nav a[aria-current="page"]::after { display: none; }
.page-nav-link { font-weight: 500; }
.page-description { margin-top: 16px; max-width: 660px; line-height: 1.8; font-size: 13px; }
.last-sync { padding-left: 20px; border-left: 1px solid var(--border-strong); font-size: 11px; }
.last-sync time { margin-top: 6px; font-size: 13px; }

.metric-card, .panel, .dialog-surface, .login-shell { border-color: var(--glass-edge); background: var(--glass-fill); box-shadow: var(--glass-shadow); }
:root[data-theme] :is(.app-header, .page-heading, .metric-card, .panel, .login-shell) { backdrop-filter: blur(var(--glass-blur)) saturate(145%); -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(145%); }
.metric-card { position: relative; min-height: 148px; padding: 22px 24px; overflow: hidden; transition: transform 200ms ease, box-shadow 200ms ease; }
.metric-card::after { content: ""; position: absolute; width: 64px; height: 64px; right: -16px; bottom: -24px; border-radius: 50%; border: 12px solid var(--glass-shine); opacity: .5; pointer-events: none; }
.metric-label { font-size: 12px; font-weight: 500; }
.metric-value { margin-top: 16px; font-size: clamp(30px, 3vw, 38px); font-weight: 600; }
.metric-note { font-size: 11px; }
.metric-card:first-child { background: linear-gradient(135deg, var(--accent-soft), var(--glass-fill)); }
.panel-header h2 { font-size: 17px; font-weight: 650; }
.task-panel, .client-panel { padding: 24px; }
.client-panel { top: 120px; }

/* Blur only the outer material: nested rows remain inexpensive to render. */
:root[data-theme] :is(.task-card, .client-item, .svg-link-card, .state-card, .info-card) {
    background: var(--glass-input);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: inset 0 1px 0 var(--glass-shine);
}
.task-card, .svg-link-card { border-radius: 18px; }
.task-list { grid-template-columns: minmax(0, 1fr); }
.task-card, .task-heading { min-width: 0; max-width: 100%; }
.task-title-row .task-title { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; font-weight: 650; }
.task-run-note { overflow-wrap: anywhere; }
.svg-link-grid.is-list .svg-link-card { border-radius: 0; }
.svg-link-card.is-active { border-color: var(--accent-border-soft); }
.svg-share { background: linear-gradient(110deg, var(--accent-soft), var(--glass-fill) 65%); }
.svg-view-toggle { border-color: var(--glass-edge); background: var(--glass-input); border-radius: 999px; }
.svg-panel { padding: 24px; }
.svg-jumper-page .svg-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.svg-jumper-page .svg-metrics .metric-card { min-width: 0; }

.dialog { border-radius: 28px; box-shadow: 0 24px 90px rgba(14, 34, 66, .2); }
:root[data-theme] .dialog-surface { background: var(--surface-raised); }
.dialog-header, .dialog-footer { background: var(--glass-fill); }
.dialog-header { border-bottom: 1px solid var(--border); }
.field :is(input[type="text"], input[type="password"], input[type="url"], input[type="number"], input[type="datetime-local"], select, textarea),
.search-box, .filter-control select { background: var(--glass-input); border-radius: 12px; }
.field :is(input[type="text"], input[type="password"], input[type="url"], input[type="number"], input[type="datetime-local"], select) { min-height: 46px; }
.field .link-input-with-numbers textarea { background: transparent; border-radius: 0; }
.app-footer { flex-wrap: wrap; row-gap: 4px; color: var(--muted); }

/* Login's sculptural glass rings are decorative, never part of the form. */
.login-page { padding: 40px 24px 20px; }
.login-shell { width: min(100%, 1000px); min-height: 580px; border-radius: 32px; }
.login-intro { overflow: hidden; padding: 48px; color: var(--text); background: linear-gradient(150deg, var(--accent-soft), var(--glass-fill)); border-right: 1px solid var(--glass-edge); }
.login-intro::after { display: none; }
.login-brand small { color: var(--muted); }
.login-message { margin: 64px 0 100px; }
.login-message .eyebrow { color: var(--accent-strong); font-size: 10px; }
:root[data-theme] #login-product-title { max-width: 370px; color: var(--text); background: none; font-size: clamp(32px, 4vw, 46px); line-height: 1.3; letter-spacing: -.04em; }
#login-product-title span { display: block; }
.login-message p { color: var(--text-soft); line-height: 1.85; }
.login-footnote { margin-top: auto; color: var(--text-soft); font-size: 11px; }
.login-form-panel { padding: 48px; background: var(--glass-input); }
.login-form-panel h2 { font-size: 28px; font-weight: 650; }
.login-form-panel > p, .login-security-note { color: var(--muted); font-size: 12px; }
.login-form-panel > p { margin-bottom: 34px; }
.login-submit { min-height: 50px; margin-top: 12px; }
.password-toggle { min-height: 44px; }
.glass-orbit { position: absolute; right: -64px; bottom: -80px; width: 300px; height: 300px; transform: rotate(-25deg); pointer-events: none; opacity: .8; }
.glass-orbit span { position: absolute; inset: 0; border: 1px solid var(--glass-edge); border-radius: 50%; background: linear-gradient(140deg, var(--glass-shine), transparent 46%, var(--glass-orb)); box-shadow: inset 12px 14px 24px var(--glass-shine), inset -10px -10px 24px var(--glass-orb-deep), 0 14px 32px rgba(40, 70, 120, .1); }
.glass-orbit span:nth-child(2) { inset: 36px; background: var(--glass-fill); box-shadow: inset 0 2px 12px var(--glass-shine), 0 0 24px var(--glass-shine); }
.glass-orbit span:nth-child(3) { inset: 72px; background: linear-gradient(145deg, var(--glass-orb), var(--glass-fill)); box-shadow: inset 0 2px 16px var(--glass-shine); }

/* One entrance, with no looping decorative animation. */
@keyframes glass-appear { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: no-preference) {
    .page-heading { animation: glass-appear 420ms backwards; }
    .metric-card { animation: glass-appear 420ms backwards; }
    .metric-card:nth-child(2) { animation-delay: 40ms; }
    .metric-card:nth-child(3) { animation-delay: 80ms; }
    .metric-card:nth-child(4) { animation-delay: 120ms; }
    .metric-card:nth-child(5) { animation-delay: 160ms; }
}
@media (hover: hover) and (pointer: fine) {
    .metric-card:hover { transform: translateY(-3px); box-shadow: var(--glass-shadow), 0 10px 24px var(--accent-ring-shadow); }
}

@media (max-width: 1100px) {
    .header-inner { justify-content: center; }
    .header-actions { justify-content: center; }
    .client-panel { position: static; }
}
@media (max-width: 900px) {
    .login-shell { max-width: 560px; }
    .login-intro { padding: 32px; border-right: 0; border-bottom: 1px solid var(--glass-edge); }
    .login-message { margin: 32px 0 36px; }
    .login-message p { max-width: 340px; }
    .glass-orbit { right: -130px; bottom: -170px; opacity: .5; }
    .login-form-panel { padding: 36px 32px; }
}
@media (max-width: 760px) {
    .app-header { position: static; width: calc(100% - 24px); margin-top: 12px; border-radius: 20px; }
    .header-inner { width: auto; padding: 14px; gap: 12px; justify-content: space-between; }
    .header-actions { justify-content: flex-start; width: 100%; gap: 6px; }
    .brand-copy { display: flex; }
    .brand-copy small { display: block; }
    .header-button { min-height: 44px; padding: 0 12px; }
    .page { padding-top: 20px; }
    .page-heading { gap: 18px; padding: 22px; border-radius: 24px; }
    .page-nav { gap: 4px; }
    .page-nav a { padding: 6px 12px; min-height: 46px; border-radius: 13px; }
    .last-sync { padding: 0; border: 0; }
    .last-sync time { margin-top: 0; font-size: 12px; }
    .metric-card { min-height: 130px; padding: 18px; }
    .task-panel, .client-panel, .svg-panel { padding: 18px; }
    .svg-share { padding: 20px; }
    .svg-jumper-page .svg-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
    .svg-metrics .metric-card { padding: 16px 12px; }
    .svg-metrics .metric-note { line-height: 1.6; }
}
@media (max-width: 520px) {
    .brand-mark { width: 36px; height: 36px; border-radius: 12px; }
    .brand-copy strong { font-size: 13px; }
    #refresh-button, #logout-button { width: auto; color: var(--text); padding: 0 12px; }
    #refresh-button::after, #logout-button::after { display: none; }
    .page-heading { padding: 20px 16px; }
    .page-heading .page-nav h1, .page-nav-link { font-size: clamp(20px, 5.5vw, 27px); }
    .page-description { font-size: 12px; }
    .metric-grid:not(.svg-metrics) .metric-card:first-child { grid-column: 1 / -1; min-height: 120px; }
    .svg-metrics .metric-value { font-size: 28px; }
    .svg-metrics .metric-label { font-size: 11px; }
    .dialog { border-radius: 24px 24px 0 0; }
    .login-page { padding: 16px 12px; }
    .login-shell { border-radius: 24px; }
    .login-intro { padding: 26px 24px; }
    .login-message { margin: 30px 0 12px; }
    :root[data-theme] #login-product-title { font-size: 30px; }
    .login-form-panel { padding: 30px 24px 36px; }
}

/* Opaque fallback keeps text legible when background filtering is unavailable. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    :root[data-theme] :is(.app-header, .page-heading, .metric-card, .panel, .login-shell, .packet-card, .packet-header) { background: var(--page-bg, var(--page)); }
}
@media (prefers-reduced-motion: reduce) {
    .metric-card { transition: none; }
    .login-shell { transform: none; will-change: auto; }
}