:root {
    --bg: #eef2f6;
    --surface: #ffffff;
    --surface-soft: #f7f9fc;
    --surface-strong: #111317;
    --line: #dde3ea;
    --text: #151922;
    --muted: #697386;
    --blue: #2563eb;
    --blue-soft: #dbeafe;
    --green: #16a34a;
    --green-soft: #dcfce7;
    --amber: #b7791f;
    --amber-soft: #fef3c7;
    --red: #dc2626;
    --red-soft: #fee2e2;
    --shadow: 0 18px 42px rgba(22, 30, 46, .08);
    --shadow-tight: 0 10px 28px rgba(22, 30, 46, .07);
    --radius: 8px;
    --glass: rgba(255, 255, 255, .72);
    --glass-strong: rgba(255, 255, 255, .86);
    --glow-blue: rgba(37, 99, 235, .22);
    --glow-cyan: rgba(34, 211, 238, .16);
    --glow-violet: rgba(139, 92, 246, .14);
}

@property --glow-angle {
    syntax: "<angle>";
    inherits: false;
    initial-value: 0deg;
}

:root[data-theme="dark"] {
    --bg: #0d1016;
    --surface: #161a22;
    --surface-soft: #202632;
    --surface-strong: #050609;
    --line: #2d3543;
    --text: #eef2f8;
    --muted: #9aa6b6;
    --blue: #60a5fa;
    --blue-soft: #172b4d;
    --green: #4ade80;
    --green-soft: #153823;
    --amber: #facc15;
    --amber-soft: #3a2e12;
    --red: #f87171;
    --red-soft: #3a171b;
    --shadow: 0 20px 44px rgba(0, 0, 0, .32);
    --shadow-tight: 0 12px 28px rgba(0, 0, 0, .24);
    --glass: rgba(15, 23, 42, .66);
    --glass-strong: rgba(15, 23, 42, .82);
    --glow-blue: rgba(96, 165, 250, .22);
    --glow-cyan: rgba(34, 211, 238, .18);
    --glow-violet: rgba(139, 92, 246, .18);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 18% 8%, var(--glow-blue), transparent 32%),
        radial-gradient(circle at 86% 76%, var(--glow-cyan), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.08), transparent 34%),
        var(--bg);
    color: var(--text);
    overflow-x: hidden;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    opacity: .62;
    background-image:
        linear-gradient(rgba(100,116,139,.105) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100,116,139,.105) 1px, transparent 1px),
        linear-gradient(118deg, transparent 0 38%, rgba(96,165,250,.08) 39%, transparent 40%);
    background-size: 58px 58px, 58px 58px, 340px 340px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.92), transparent 86%);
}
:root[data-theme="dark"] body {
    background:
        radial-gradient(circle at 16% 8%, rgba(99,102,241,.25), transparent 32%),
        radial-gradient(circle at 86% 78%, rgba(34,211,238,.16), transparent 30%),
        radial-gradient(circle at 50% 106%, rgba(236,72,153,.08), transparent 34%),
        #020617;
}
:root[data-theme="dark"] body::before {
    opacity: .52;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(118deg, transparent 0 38%, rgba(34,211,238,.08) 39%, transparent 40%);
}
a { color: inherit; text-decoration: none; }
button, .button, input, select { font: inherit; }

button, .button {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    min-height: 40px;
    padding: 9px 14px;
    background: var(--surface);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
    white-space: nowrap;
}
button:hover, .button:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, .45);
    box-shadow: var(--shadow-tight);
}
.button-icon, .field-icon, .nav-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    fill: currentColor;
}
.button-icon { width: 17px; height: 17px; }
.field-icon { color: var(--muted); }
.primary {
    background: linear-gradient(135deg, #0f172a, #1d4ed8 52%, #22d3ee) !important;
    border-color: rgba(96,165,250,.48) !important;
    color: #fff !important;
    box-shadow: 0 12px 24px rgba(37,99,235,.18);
}
:root[data-theme="dark"] .primary {
    background: linear-gradient(135deg, #f8fafc, #dbeafe 52%, #a5f3fc) !important;
    border-color: rgba(255,255,255,.74) !important;
    color: #07111f !important;
    box-shadow: 0 16px 34px rgba(34,211,238,.16);
}
.danger { background: var(--red) !important; border-color: var(--red) !important; color: #fff !important; }
.ghost { background: transparent; }
.small { padding: 6px 10px; min-height: 32px; font-size: 13px; }
.full { width: 100%; }

input, select {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    min-height: 40px;
    padding: 10px 12px;
    background: var(--surface);
    color: var(--text);
    outline: none;
}
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }

.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 92px 1fr;
}
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    background:
        linear-gradient(145deg, rgba(255,255,255,.045), transparent 22%, rgba(96,165,250,.09) 48%, transparent 70%),
        repeating-linear-gradient(116deg, rgba(255,255,255,.04) 0 1px, transparent 1px 18px),
        radial-gradient(circle at 24% 16%, rgba(147,197,253,.12), transparent 30%),
        #050914;
    color: #fff;
    padding: 18px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    border-right: 1px solid rgba(255,255,255,.08);
    box-shadow: 18px 0 44px rgba(2,6,23,.18);
}
.brand-mark {
    width: 60px;
    height: 60px;
    border-radius: 0;
    display: grid;
    place-items: center;
    background: transparent;
    box-shadow: none;
    transition: transform .18s ease, filter .18s ease;
}
.brand-mark:hover {
    transform: translateY(-1px);
    filter: drop-shadow(0 12px 20px rgba(96,165,250,.28));
}
.brand-mark img {
    width: 56px;
    height: 56px;
    display: block;
}
.brand-mark.big {
    width: 72px;
    height: 72px;
    font-size: 32px;
    background: var(--surface-strong);
    color: #fff;
}
.rail-nav {
    width: 100%;
    display: grid;
    gap: 12px;
    margin-top: 10px;
}
.rail-nav a, .rail-logout {
    position: relative;
    min-height: 60px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 7px;
    color: rgba(255,255,255,.72);
    font-size: 13px;
    line-height: 1;
    border: 1px solid transparent;
    transition: background .18s ease, color .18s ease, transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.rail-nav a:hover, .rail-logout:hover {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.1);
    color: #fff;
}
.rail-nav a.active {
    background:
        linear-gradient(180deg, rgba(255,255,255,.15), rgba(255,255,255,.08)),
        radial-gradient(circle at 50% 0, rgba(96,165,250,.42), transparent 58%);
    color: #fff;
    border-color: rgba(147,197,253,.42);
    box-shadow: 0 16px 32px rgba(37,99,235,.22), inset 0 1px 0 rgba(255,255,255,.18);
    transform: translateY(-1px);
}
.rail-nav a.active::before {
    content: "";
    position: absolute;
    left: -10px;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, #60a5fa, #22d3ee);
    box-shadow: 0 0 16px rgba(34,211,238,.8);
}
.rail-nav a.active::after {
    content: "";
    position: absolute;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e0f2fe;
    box-shadow: 0 0 18px rgba(34,211,238,.9);
}
.rail-nav a.active .nav-icon { margin-top: 4px; }
.rail-nav span, .rail-logout span { display: block; }
.rail-logout {
    margin-top: auto;
    width: 100%;
}

.main {
    min-width: 0;
    padding: 18px clamp(16px, 2.5vw, 34px) 32px;
}
.topbar {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    padding: 10px 0;
}
.topbar.no-search {
    justify-content: space-between;
}
.topbar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.topbar-logo {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    filter: drop-shadow(0 8px 16px rgba(96,165,250,.18));
    display: none;
}
.topbar-title > div {
    display: grid;
    gap: 3px;
    min-width: 0;
}
.topbar-title span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}
.topbar-title strong {
    font-size: 18px;
    line-height: 1.18;
}
.topbar-search {
    width: min(430px, 48vw);
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 13px;
    color: var(--muted);
    box-shadow: 0 10px 24px rgba(22,30,46,.04);
}
.topbar-search input {
    flex: 1;
    border: 0;
    box-shadow: none;
    background: transparent;
    min-height: 38px;
    padding: 0;
}
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.theme-toggle {
    width: 42px;
    min-width: 42px;
    min-height: 42px;
    padding: 5px;
    border-color: rgba(148, 163, 184, .22);
    background: linear-gradient(180deg, var(--glass-strong), var(--glass));
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-tight);
}
.theme-icon-wrap {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: var(--surface-strong);
    color: #fff;
    overflow: hidden;
}
:root[data-theme="dark"] .theme-icon-wrap {
    background: #f8fafc;
    color: #0d1016;
}
.theme-icon {
    grid-area: 1 / 1;
    width: 17px;
    height: 17px;
    fill: currentColor;
    transition: opacity .18s ease, transform .18s ease;
}
.theme-icon-sun {
    opacity: 0;
    transform: scale(.72) rotate(-20deg);
}
:root[data-theme="dark"] .theme-icon-moon {
    opacity: 0;
    transform: scale(.72) rotate(20deg);
}
:root[data-theme="dark"] .theme-icon-sun {
    opacity: 1;
    transform: scale(1) rotate(0);
}
.theme-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}
.theme-floating {
    background: var(--surface);
    box-shadow: var(--shadow-tight);
}
.theme-floating {
    position: fixed;
    top: 16px;
    right: 18px;
    z-index: 30;
}
.user-menu {
    position: relative;
}
.user-menu summary {
    list-style: none;
}
.user-menu summary::-webkit-details-marker {
    display: none;
}
.user-chip {
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid rgba(148,163,184,.24);
    border-radius: var(--radius);
    background: linear-gradient(180deg, var(--glass-strong), var(--glass));
    padding: 5px 10px 5px 6px;
    cursor: pointer;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-tight);
}
.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.avatar img {
    width: 100%;
    height: 100%;
    display: block;
}
.avatar-orbit { animation: avatar-float 4.5s ease-in-out infinite; }
.avatar-pulse { animation: avatar-pulse 2.4s ease-in-out infinite; }
.avatar-prism { animation: avatar-sweep-soft 3.2s ease-in-out infinite; }
.avatar-wave { animation: avatar-drift 4s ease-in-out infinite alternate; }
.avatar-nova { animation: avatar-glow 2.2s ease-in-out infinite; }
.avatar-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 292px;
    z-index: 60;
    border: 1px solid rgba(148,163,184,.26);
    border-radius: 14px;
    background: var(--glass-strong);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    padding: 14px;
    display: grid;
    gap: 12px;
}
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}
.avatar-grid label {
    border: 1px solid rgba(148,163,184,.24);
    border-radius: 12px;
    padding: 8px 4px;
    display: grid;
    justify-items: center;
    gap: 6px;
    cursor: pointer;
    background: rgba(148,163,184,.08);
}
.avatar-grid label.selected {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.avatar-grid input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.avatar-grid .avatar {
    width: 34px;
    height: 34px;
}
.avatar-grid small {
    color: var(--muted);
    font-size: 11px;
}
.user-chip strong, .user-chip small { display: block; line-height: 1.1; }
.user-chip small { color: var(--muted); margin-top: 3px; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}
.page-header.compact { margin-bottom: 14px; }
.eyebrow {
    margin: 0 0 8px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .02em;
}
.page-header h2 {
    margin: 0 0 7px;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.1;
    text-wrap: balance;
}
.page-header p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.dashboard-layout {
    width: min(1280px, 100%);
    margin: 0 auto;
    display: block;
}
.summary-card, .panel-card, .system-card, .server-observer, .metric-card {
    background: var(--glass);
    border: 1px solid rgba(148,163,184,.24);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}
.summary-card {
    min-height: 124px;
    padding: 17px;
    display: grid;
    align-content: space-between;
}
.summary-card span, .metric-card span {
    color: var(--muted);
    font-size: 13px;
}
.summary-card strong {
    font-size: 28px;
    line-height: 1.1;
}
.summary-card small, .metric-card small {
    color: var(--muted);
}

.server-observer {
    padding: clamp(14px, 1.8vw, 20px);
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background:
        linear-gradient(145deg, var(--glass-strong), var(--glass)),
        radial-gradient(circle at 14% 12%, var(--glow-blue), transparent 28%),
        radial-gradient(circle at 88% 20%, var(--glow-cyan), transparent 24%);
}
.server-observer::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: .72;
    background:
        linear-gradient(90deg, transparent, rgba(34,211,238,.1), transparent),
        repeating-linear-gradient(90deg, rgba(148,163,184,.12) 0 1px, transparent 1px 22px);
    transform: translateX(-40%);
    animation: observer-scan 7s ease-in-out infinite;
}
.observer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.observer-head > div {
    display: flex;
    align-items: center;
    gap: 9px;
}
.observer-head small { color: var(--muted); }
.status-light {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 0 4px var(--amber-soft);
}
.status-light.online {
    background: var(--green);
    box-shadow: 0 0 0 4px var(--green-soft);
}
.observer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    gap: 12px;
}
.metric-card {
    box-shadow: none;
    background:
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04)),
        rgba(148,163,184,.08);
    padding: 15px;
    display: grid;
    gap: 8px;
    min-height: 104px;
    border-color: rgba(148,163,184,.18);
    position: relative;
    overflow: hidden;
}
.metric-card::after {
    content: "";
    position: absolute;
    inset: auto 12px 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34,211,238,.72), transparent);
    opacity: .62;
}
.metric-card strong {
    font-size: 22px;
    line-height: 1.1;
}
.meter {
    height: 7px;
    border-radius: 999px;
    background: rgba(100, 116, 139, .22);
    overflow: hidden;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}
.meter i {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #60a5fa, #22d3ee, #a78bfa);
    box-shadow: 0 0 14px rgba(34,211,238,.38);
    transition: width .28s ease;
}

.system-grid.clean {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 16px;
    align-items: stretch;
}
.system-card {
    padding: 18px;
    display: grid;
    gap: 14px;
    min-height: 224px;
    align-content: space-between;
    box-shadow: var(--shadow-tight), inset 0 1px 0 rgba(255,255,255,.12);
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background:
        linear-gradient(150deg, rgba(255,255,255,.74), rgba(255,255,255,.42)),
        radial-gradient(circle at 86% 16%, rgba(96,165,250,.28), transparent 34%),
        radial-gradient(circle at 18% 92%, rgba(37,99,235,.12), transparent 42%),
        var(--surface);
    border-color: rgba(148,163,184,.22);
    backdrop-filter: blur(18px);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
:root[data-theme="dark"] .system-card {
    background:
        linear-gradient(150deg, rgba(22,26,34,.72), rgba(22,26,34,.46)),
        radial-gradient(circle at 86% 16%, rgba(96,165,250,.16), transparent 34%),
        radial-gradient(circle at 18% 92%, rgba(37,99,235,.16), transparent 42%),
        var(--surface);
}
.system-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    opacity: .72;
    background:
        linear-gradient(120deg, transparent 0 26%, rgba(255,255,255,.18) 27%, transparent 28% 54%, rgba(255,255,255,.1) 55%, transparent 56%),
        repeating-linear-gradient(112deg, rgba(148,163,184,.16) 0 1px, transparent 1px 18px);
}
.system-card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    opacity: 0;
    z-index: -1;
    background: conic-gradient(from var(--glow-angle, 0deg), transparent, rgba(96,165,250,.95), transparent 32%, rgba(255,255,255,.75), transparent 62%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: opacity .2s ease;
}
.system-card:hover {
    transform: translateY(-2px);
    border-color: rgba(96,165,250,.48);
    box-shadow: 0 22px 44px rgba(15,23,42,.16), inset 0 1px 0 rgba(255,255,255,.16);
}
.system-card:hover::after,
.system-card:focus-within::after {
    opacity: 1;
    animation: border-flow 2.8s linear infinite;
}
.system-card:nth-child(1)::before {
    background:
        radial-gradient(circle at 74% 22%, rgba(96,165,250,.28), transparent 28%),
        linear-gradient(120deg, transparent 0 28%, rgba(255,255,255,.16) 29%, transparent 30%),
        repeating-linear-gradient(90deg, rgba(96,165,250,.12) 0 2px, transparent 2px 18px);
}
.system-card:nth-child(2)::before {
    background:
        radial-gradient(circle at 78% 24%, rgba(34,197,94,.2), transparent 30%),
        repeating-linear-gradient(0deg, rgba(148,163,184,.15) 0 1px, transparent 1px 14px),
        repeating-linear-gradient(90deg, rgba(96,165,250,.13) 0 1px, transparent 1px 22px);
}
.system-card:nth-child(3)::before {
    background:
        radial-gradient(circle at 80% 20%, rgba(20,184,166,.24), transparent 30%),
        linear-gradient(135deg, transparent 0 42%, rgba(96,165,250,.16) 43%, transparent 44%),
        repeating-linear-gradient(116deg, rgba(148,163,184,.16) 0 1px, transparent 1px 18px);
}
.system-card:nth-child(4)::before {
    background:
        radial-gradient(circle at 82% 18%, rgba(168,85,247,.2), transparent 32%),
        repeating-linear-gradient(90deg, rgba(96,165,250,.12) 0 1px, transparent 1px 16px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.09) 0 1px, transparent 1px 16px);
}
.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.system-icon {
    width: 50px;
    height: 50px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.28), transparent 32%),
        linear-gradient(135deg, #0f172a, #1d4ed8 58%, #22d3ee);
    color: #fff;
    font-weight: 900;
    font-size: 19px;
    box-shadow: 0 12px 24px rgba(37,99,235,.18);
    position: relative;
    overflow: hidden;
}
.system-icon::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: radial-gradient(circle at 28% 18%, rgba(255,255,255,.42), transparent 34%);
    pointer-events: none;
}
.system-icon svg {
    width: 28px;
    height: 28px;
    position: relative;
    z-index: 1;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.1;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.system-icon-mail {
    background:
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.38), transparent 32%),
        linear-gradient(135deg, #0f172a, #2563eb 55%, #38bdf8);
    color: #eef8ff;
}
.system-icon-ledger {
    background:
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.36), transparent 32%),
        linear-gradient(135deg, #10231b, #16a34a 56%, #84cc16);
    color: #f4fff3;
}
.system-icon-coin {
    background:
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.38), transparent 32%),
        linear-gradient(135deg, #0f172a, #0f766e 54%, #22d3ee);
    color: #ecfeff;
}
.system-icon-sheet {
    background:
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.38), transparent 32%),
        linear-gradient(135deg, #1e1b4b, #7c3aed 52%, #c084fc);
    color: #faf5ff;
}
.system-icon-generic {
    font-weight: 900;
}
:root[data-theme="dark"] .system-icon {
    background:
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.34), transparent 32%),
        linear-gradient(135deg, #e0f2fe, #93c5fd 56%, #818cf8);
    color: #07111f;
}
:root[data-theme="dark"] .system-icon-mail {
    background: linear-gradient(135deg, #dbeafe, #93c5fd 56%, #38bdf8);
    color: #062038;
}
:root[data-theme="dark"] .system-icon-ledger {
    background: linear-gradient(135deg, #dcfce7, #86efac 56%, #22c55e);
    color: #052e16;
}
:root[data-theme="dark"] .system-icon-coin {
    background: linear-gradient(135deg, #ccfbf1, #5eead4 54%, #22d3ee);
    color: #042f2e;
}
:root[data-theme="dark"] .system-icon-sheet {
    background: linear-gradient(135deg, #ede9fe, #c4b5fd 52%, #a78bfa);
    color: #1e1b4b;
}
.system-card h3 {
    margin: 0 0 6px;
    font-size: 19px;
}
.system-card p {
    margin: 0;
    color: var(--muted);
    min-height: 0;
    line-height: 1.55;
}
.system-host {
    color: var(--muted);
    font-size: 13px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 10px;
    width: fit-content;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.status-dot {
    border-radius: 999px;
    padding: 5px 9px;
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
}
.status-dot.checking { background: var(--amber-soft); color: var(--amber); }
.status-dot.online { background: var(--green-soft); color: var(--green); }
.status-dot.offline { background: var(--red-soft); color: var(--red); }
.card-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 9px;
    align-items: center;
}

.panel-card {
    padding: 18px;
    margin-bottom: 18px;
    overflow: auto;
    background:
        linear-gradient(145deg, var(--glass-strong), var(--glass)),
        radial-gradient(circle at 90% 0, var(--glow-blue), transparent 26%);
}
.panel-card h3 { margin: 0 0 14px; }
table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}
th, td {
    text-align: left;
    border-bottom: 1px solid rgba(148,163,184,.18);
    padding: 12px 14px;
    font-size: 14px;
    vertical-align: middle;
}
th {
    color: var(--muted);
    background: rgba(148,163,184,.08);
}
.mono { font-family: Consolas, "Courier New", monospace; }
.row-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.system-form, .user-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 12px;
}
.access-box {
    grid-column: 1 / -1;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}
.access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
    margin: 12px 0;
}
.access-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
}
.access-grid input { min-height: auto; }
.notice {
    padding: 13px 15px;
    border-radius: var(--radius);
    background: var(--surface-soft);
    color: var(--muted);
    margin-top: 14px;
}
.empty {
    text-align: center;
    color: var(--muted);
    padding: 28px;
}
.muted { color: var(--muted); }
.tag, .mini-tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 12px;
    font-weight: 800;
    margin: 2px;
}
.tag.owner { background: var(--amber-soft); color: var(--amber); }
.tag.employee { background: var(--blue-soft); color: var(--blue); }
.mini-tag { background: var(--surface-soft); color: var(--text); border: 1px solid var(--line); }
.mini-tag {
    background: rgba(148,163,184,.1);
    border-color: rgba(148,163,184,.22);
}
.flash-stack {
    position: fixed;
    top: 16px;
    right: 18px;
    display: grid;
    gap: 8px;
    z-index: 50;
}
.flash {
    background: var(--surface-strong);
    color: white;
    border-radius: var(--radius);
    padding: 10px 14px;
    box-shadow: var(--shadow);
}
.flash.success { background: var(--green); }
.flash.error { background: var(--red); }

.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 560px) minmax(340px, 430px);
    gap: 28px;
    align-items: center;
    justify-content: center;
    padding: 26px;
}
.login-hero {
    min-height: 420px;
    border-radius: 16px;
    padding: 42px;
    color: white;
    background:
        linear-gradient(135deg, rgba(255,255,255,.08), transparent 22%, rgba(96,165,250,.11) 46%, transparent 70%),
        repeating-linear-gradient(118deg, rgba(255,255,255,.055) 0 1px, transparent 1px 20px),
        radial-gradient(circle at 18% 18%, rgba(96,165,250,.18), transparent 28%),
        radial-gradient(circle at 80% 88%, rgba(255,255,255,.08), transparent 32%),
        #05070b;
    box-shadow: var(--shadow);
    display: grid;
    align-content: center;
    position: relative;
    overflow: hidden;
}
.login-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(104deg, transparent 0 20%, rgba(255,255,255,.16) 21%, transparent 22% 49%, rgba(255,255,255,.08) 50%, transparent 51%),
        linear-gradient(24deg, transparent 0 38%, rgba(147,197,253,.16) 39%, transparent 40%);
    opacity: .55;
    pointer-events: none;
}
.login-hero > * {
    position: relative;
}
.hero-orb { display: none; }
.login-logo {
    width: 88px;
    height: 88px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    filter: drop-shadow(0 18px 30px rgba(96,165,250,.26));
}
.login-logo img {
    width: 82px;
    height: 82px;
}
.login-hero h1 {
    font-size: 44px;
    margin: 24px 0 12px;
    line-height: 1.08;
}
.login-hero p {
    max-width: 450px;
    color: rgba(255,255,255,.74);
    line-height: 1.8;
}
.hero-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 26px;
}
.hero-pills span {
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.08);
    border-radius: 999px;
    padding: 8px 12px;
}
.login-card {
    background:
        linear-gradient(145deg, var(--glass-strong), var(--glass)),
        radial-gradient(circle at 0 0, var(--glow-blue), transparent 30%);
    border: 1px solid rgba(148,163,184,.24);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    display: grid;
    gap: 16px;
}
@keyframes avatar-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-1px); }
}
@keyframes avatar-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(56,189,248,.2); transform: scale(1); }
    50% { box-shadow: 0 0 0 6px rgba(56,189,248,.08); transform: scale(1.03); }
}
@keyframes avatar-sweep-soft {
    0%, 100% { filter: saturate(1); }
    50% { filter: saturate(1.25) brightness(1.05); }
}
@keyframes avatar-drift {
    from { transform: translate(-8%, -6%); }
    to { transform: translate(8%, 6%); }
}
@keyframes avatar-glow {
    0%, 100% { filter: saturate(1); }
    50% { filter: saturate(1.5) brightness(1.08); }
}
@keyframes border-flow {
    to { --glow-angle: 360deg; }
}
@keyframes observer-scan {
    0%, 100% { transform: translateX(-52%); opacity: .36; }
    45% { transform: translateX(52%); opacity: .78; }
}
.login-card h2 {
    margin: 0;
    font-size: 30px;
}
.login-card p {
    margin: 0;
    color: var(--muted);
}
.login-card label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-weight: 700;
}
.remember-line {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
}
.remember-line input {
    width: 16px;
    height: 16px;
    min-height: 16px;
    accent-color: var(--blue);
}

@media (max-width: 1100px) {
    .observer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .system-grid.clean { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
    .shell {
        display: block;
        min-height: 100vh;
    }
    .sidebar {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: 10px;
        top: auto;
        z-index: 20;
        height: 70px;
        min-height: 70px;
        flex-direction: row;
        justify-content: space-between;
        padding: 8px;
        border-radius: 18px;
        box-shadow: 0 18px 44px rgba(0,0,0,.28);
        border: 1px solid rgba(255,255,255,.1);
        backdrop-filter: blur(18px);
    }
    .brand-mark { width: 48px; height: 48px; border-radius: 13px; }
    .brand-mark img { width: 46px; height: 46px; }
    .rail-nav {
        flex: 1;
        display: flex;
        justify-content: center;
        gap: 4px;
        margin: 0;
        overflow-x: auto;
    }
    .rail-nav a {
        min-width: 54px;
        min-height: 52px;
        padding: 6px;
        font-size: 12px;
    }
    .rail-nav a.active::before, .rail-nav a.active::after { display: none; }
    .rail-logout {
        width: auto;
        min-width: 48px;
        min-height: 52px;
        margin: 0;
        padding: 0 6px;
        font-size: 12px;
    }
    .main { padding: 14px 14px 92px; }
    .topbar {
        align-items: center;
        flex-direction: row;
        gap: 10px;
        margin-bottom: 14px;
    }
    .topbar-logo { display: block; width: 36px; height: 36px; }
    .topbar-title strong { font-size: 16px; max-width: 145px; }
    .topbar-actions { justify-content: space-between; }
    .avatar-panel { right: 0; width: min(292px, calc(100vw - 28px)); }
    .theme-toggle { width: 40px; min-width: 40px; padding: 4px; }
    .page-header { flex-direction: column; align-items: stretch; }
    .observer-grid, .system-form, .user-form, .login-page {
        grid-template-columns: 1fr;
    }
    .system-grid.clean { grid-template-columns: 1fr; gap: 12px; }
    .server-observer { padding: 14px; }
    .metric-card { min-height: 94px; padding: 13px; }
    .system-card { min-height: auto; padding: 16px; gap: 12px; }
    .card-actions { grid-template-columns: 1fr; }
    .login-hero { display: none; }
}

@media (max-width: 420px) {
    .brand-mark { display: none; }
    .rail-logout span { display: none; }
    .rail-nav a { min-width: 56px; }
    .card-actions { grid-template-columns: 1fr; }
    .topbar-title strong { max-width: 130px; }
    .user-chip { padding-right: 8px; }
    .user-chip > div { display: none; }
}