:root {
    --bg: #eff6ff;
    --panel: rgba(255, 255, 255, 0.82);
    --panel-strong: #ffffff;
    --line: rgba(133, 164, 223, 0.28);
    --text: #10203f;
    --muted: #63759a;
    --primary: #1969ff;
    --primary-2: #32a4ff;
    --primary-3: #0f3fbf;
    --danger: #dc4c64;
    --success: #1f8f5f;
    --warning: #e59a17;
    --shadow: 0 24px 60px rgba(18, 57, 143, 0.15);
    --radius: 20px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(50, 164, 255, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(25, 105, 255, 0.12), transparent 26%),
        linear-gradient(180deg, #f5f9ff 0%, #e9f2ff 100%);
}

body.drawer-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(8, 24, 64, 0.48);
    z-index: 80;
}

.sidebar {
    padding: 24px;
    border-right: 1px solid rgba(157, 183, 232, 0.32);
    background: rgba(10, 34, 93, 0.92);
    color: #eef5ff;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.brand {
    display: grid;
    gap: 8px;
    align-items: start;
}

.brand-logo {
    width: 168px;
    max-width: 100%;
    height: auto;
    display: block;
}

.brand h1,
.topbar h2,
.panel h3,
.hero-card h3,
.metric-card h3 {
    margin: 0;
}

.brand p,
.hero-card p,
.muted,
table td,
table th,
label,
.pill,
.user-chip span {
    color: var(--muted);
}

.brand p,
.brand-slogan,
.metric-card p,
.hero-card p,
.subtitle,
.pill,
.user-chip span {
    margin: 4px 0 0;
    font-size: 0.92rem;
}

.sidebar .brand p,
.sidebar .brand-slogan,
.sidebar .user-chip span {
    color: rgba(221, 232, 255, 0.76);
}

.brand-slogan {
    margin: 0;
    line-height: 1.35;
}

.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(182, 208, 255, 0.32);
    background: rgba(10, 34, 93, 0.92);
    color: #eef5ff;
    box-shadow: 0 10px 24px rgba(12, 42, 109, 0.3);
    padding: 0;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    font-size: 0;
    line-height: 1;
}

.mobile-menu-toggle::before {
    content: "☰";
    font-size: 1.05rem;
}

.mobile-menu-toggle[aria-expanded="true"] {
    background: linear-gradient(135deg, rgba(68, 184, 255, 0.34), rgba(31, 109, 255, 0.45));
}

.nav {
    display: grid;
    gap: 8px;
}

.nav-link,
.ghost-button {
    padding: 12px 14px;
    border-radius: 14px;
    transition: 0.2s ease;
}

.nav-link:hover,
.ghost-button:hover {
    background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(68, 184, 255, 0.24), rgba(31, 109, 255, 0.38));
    color: #ffffff;
}

.sidebar-footer {
    margin-top: auto;
    display: grid;
    gap: 12px;
}

.user-chip {
    padding: 14px;
    border: 1px solid rgba(182, 208, 255, 0.16);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
}

.content {
    padding: 24px;
    display: grid;
    gap: 20px;
}

.topbar,
.hero,
.grid,
.panel,
.split {
    width: 100%;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.topbar > div:first-child {
    text-align: right;
    margin-left: auto;
}

.topbar-info {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.eyebrow {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pill {
    color: var(--primary-3);
    background: rgba(25, 105, 255, 0.1);
    border: 1px solid rgba(25, 105, 255, 0.14);
    padding: 10px 14px;
    border-radius: 999px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    gap: 18px;
}

.hero-card,
.panel,
.metric-card {
    background: var(--panel);
    backdrop-filter: blur(18px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 28px;
    background:
        linear-gradient(135deg, rgba(8, 49, 137, 0.94), rgba(32, 115, 255, 0.9)),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
    color: #ffffff;
}

.hero-card p {
    color: rgba(241, 246, 255, 0.8);
    max-width: 60ch;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.hero-stat {
    min-width: 148px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat strong,
.metric-value {
    display: block;
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.grid {
    display: grid;
    gap: 18px;
}

.grid.metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card,
.panel {
    padding: 20px;
}

.metric-card .status {
    margin-top: 16px;
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.9rem;
    background: rgba(25, 105, 255, 0.1);
    color: var(--primary-3);
}

.status.warning {
    background: rgba(229, 154, 23, 0.16);
    color: var(--warning);
}

.status.danger {
    background: rgba(220, 76, 100, 0.14);
    color: var(--danger);
}

.status.success {
    background: rgba(31, 143, 95, 0.16);
    color: var(--success);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    display: inline-block;
    margin-right: 8px;
}

.status-dot.online {
    background: #2dc56f;
}

.status-dot.offline {
    background: #dc4c64;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}

.panel-header p {
    margin: 4px 0 0;
}

.panel {
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: 14px 8px;
    border-bottom: 1px solid rgba(157, 183, 232, 0.2);
    vertical-align: top;
}

th {
    color: var(--text);
    font-size: 0.92rem;
}

form {
    display: grid;
    gap: 14px;
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.inline-grid {
    display: grid;
    grid-template-columns: 2fr 120px 140px 50px;
    gap: 10px;
    align-items: end;
}

label {
    display: grid;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text);
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid rgba(127, 163, 233, 0.24);
    background: rgba(255, 255, 255, 0.92);
    border-radius: 14px;
    padding: 12px 14px;
    color: var(--text);
    outline: none;
}

textarea {
    min-height: 96px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(25, 105, 255, 0.52);
    box-shadow: 0 0 0 4px rgba(25, 105, 255, 0.09);
}

.button,
button {
    border: 0;
    cursor: pointer;
    color: #ffffff;
    padding: 12px 16px;
    border-radius: 14px;
    background: linear-gradient(135deg, #41c1ff 0%, #1969ff 55%, #154ad2 100%);
    box-shadow: 0 16px 36px rgba(25, 105, 255, 0.24);
}

.button.secondary {
    background: rgba(16, 32, 63, 0.06);
    color: var(--text);
    box-shadow: none;
}

.button.danger {
    background: linear-gradient(135deg, #ff7c93 0%, #dc4c64 100%);
}

.stack {
    display: grid;
    gap: 14px;
}

.accordion-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.accordion-summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.accordion-summary::-webkit-details-marker {
    display: none;
}

.accordion-main {
    display: grid;
    gap: 4px;
}

.accordion-body {
    padding: 0 20px 20px;
    display: grid;
    gap: 14px;
    border-top: 1px solid rgba(157, 183, 232, 0.2);
}

.split {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 18px;
}

.alert {
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid transparent;
}

.alert.success {
    background: rgba(31, 143, 95, 0.12);
    border-color: rgba(31, 143, 95, 0.2);
    color: #14563a;
}

.alert.error {
    background: rgba(220, 76, 100, 0.12);
    border-color: rgba(220, 76, 100, 0.2);
    color: #87253a;
}

.login-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(100%, 1080px);
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(17, 48, 118, 0.24);
    background: #ffffff;
}

.login-showcase {
    padding: 42px;
    color: #ffffff;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.16), transparent 25%),
        linear-gradient(135deg, #0f338f 0%, #1969ff 55%, #45bfff 100%);
}

.login-brand-logo {
    width: min(100%, 360px);
    height: auto;
    display: block;
    margin-bottom: 18px;
}

.login-form {
    padding: 42px;
    background: #ffffff;
}

.tag-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.tag {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.12);
}

.empty {
    padding: 24px 0;
    color: var(--muted);
}

.install-floating {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 90;
}

.install-floating-button {
    border-radius: 999px;
    padding: 12px 16px;
    box-shadow: 0 14px 30px rgba(25, 105, 255, 0.28);
}

@media (max-width: 1200px) {
    .grid.metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero,
    .split {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 960px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: min(86vw, 320px);
        height: 100vh;
        border-right: 1px solid rgba(157, 183, 232, 0.18);
        border-bottom: 0;
        gap: 14px;
        z-index: 100;
        transform: translateX(-102%);
        transition: transform 0.22s ease;
        overflow-y: auto;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        position: fixed;
        top: 12px;
        left: 12px;
        z-index: 110;
    }

    .sidebar .nav,
    .sidebar .sidebar-footer,
    .sidebar .brand-logo,
    .sidebar h1,
    .sidebar .brand-slogan {
        opacity: 0;
        pointer-events: none;
    }

    .sidebar.menu-open {
        transform: translateX(0);
    }

    .sidebar.menu-open .nav,
    .sidebar.menu-open .sidebar-footer,
    .sidebar.menu-open .brand-logo,
    .sidebar.menu-open h1,
    .sidebar.menu-open .brand-slogan {
        opacity: 1;
        pointer-events: auto;
    }

    .content {
        padding-top: 68px;
    }

    .grid.two,
    .grid.three,
    .grid-form {
        grid-template-columns: 1fr;
    }

    .login-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .content,
    .sidebar {
        padding: 18px;
    }

    .grid.metrics {
        grid-template-columns: 1fr;
    }

    .topbar {
        flex-direction: column;
    }

    .inline-grid {
        grid-template-columns: 1fr;
    }

    .accordion-summary {
        flex-direction: column;
        align-items: flex-start;
    }

    th:nth-child(n + 4),
    td:nth-child(n + 4) {
        display: none;
    }
}

@media (min-width: 961px) {
    .install-floating {
        display: none !important;
    }
}