:root {
    --ink: #0f172a;
    --muted: #64748b;
    --accent: #0090a8;
    --accent-alt: #0ea5e9;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --background-alt: #f1f5f9;
    --border: #e2e8f0;
    --border-08: rgba(15, 23, 42, 0.06);
    --border-10: rgba(15, 23, 42, 0.08);
    --border-18: rgba(15, 23, 42, 0.12);
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
    --hover: rgba(15, 23, 42, 0.04);

    --glass-55: rgba(255, 255, 255, 0.55);
    --glass-60: rgba(255, 255, 255, 0.60);
    --glass-72: rgba(255, 255, 255, 0.72);
    --glass-78: rgba(255, 255, 255, 0.78);
    --glass-86: rgba(255, 255, 255, 0.86);
    --glass-92: rgba(255, 255, 255, 0.92);

    --tag-bg: rgba(14, 165, 233, 0.1);
    --tag-fg: #0369a1;
    --error-bg: rgba(239, 68, 68, 0.1);
    --error-border: rgba(239, 68, 68, 0.2);
    --focus-border: rgba(0, 144, 168, 0.40);
    --focus-ring: rgba(0, 144, 168, 0.15);
    --page-bg: #fafafa;
}

@media (prefers-color-scheme: dark) {
    :root {
        --ink: #f1f5f9;
        --muted: #94a3b8;
        --surface: #0f172a;
        --surface-muted: #1e293b;
        --background-alt: #1e293b;
        --border: #334155;
        --border-08: rgba(226, 232, 240, 0.06);
        --border-10: rgba(226, 232, 240, 0.08);
        --border-18: rgba(226, 232, 240, 0.12);
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
        --hover: rgba(226, 232, 240, 0.04);

        --glass-55: rgba(15, 23, 42, 0.35);
        --glass-60: rgba(15, 23, 42, 0.42);
        --glass-72: rgba(15, 23, 42, 0.55);
        --glass-78: rgba(15, 23, 42, 0.62);
        --glass-86: rgba(15, 23, 42, 0.72);
        --glass-92: rgba(15, 23, 42, 0.78);

        --tag-bg: rgba(14, 165, 233, 0.15);
        --tag-fg: #7dd3fc;
        --error-bg: rgba(239, 68, 68, 0.15);
        --error-border: rgba(239, 68, 68, 0.25);
        --focus-border: rgba(0, 144, 168, 0.50);
        --focus-ring: rgba(0, 144, 168, 0.20);
        --page-bg: #0a0f1a;
    }
}

:root[data-theme="light"] {
    color-scheme: light;
    --ink: #0f172a;
    --muted: #64748b;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --background-alt: #f1f5f9;
    --border: #e2e8f0;
    --border-08: rgba(15, 23, 42, 0.06);
    --border-10: rgba(15, 23, 42, 0.08);
    --border-18: rgba(15, 23, 42, 0.12);
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
    --hover: rgba(15, 23, 42, 0.04);

    --glass-55: rgba(255, 255, 255, 0.55);
    --glass-60: rgba(255, 255, 255, 0.60);
    --glass-72: rgba(255, 255, 255, 0.72);
    --glass-78: rgba(255, 255, 255, 0.78);
    --glass-86: rgba(255, 255, 255, 0.86);
    --glass-92: rgba(255, 255, 255, 0.92);

    --tag-bg: rgba(14, 165, 233, 0.1);
    --tag-fg: #0369a1;
    --error-bg: rgba(239, 68, 68, 0.1);
    --error-border: rgba(239, 68, 68, 0.2);
    --focus-border: rgba(0, 144, 168, 0.40);
    --focus-ring: rgba(0, 144, 168, 0.15);
    --page-bg: #fafafa;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --ink: #f1f5f9;
    --muted: #94a3b8;
    --surface: #0f172a;
    --surface-muted: #1e293b;
    --background-alt: #1e293b;
    --border: #334155;
    --border-08: rgba(226, 232, 240, 0.06);
    --border-10: rgba(226, 232, 240, 0.08);
    --border-18: rgba(226, 232, 240, 0.12);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --hover: rgba(226, 232, 240, 0.04);

    --glass-55: rgba(15, 23, 42, 0.35);
    --glass-60: rgba(15, 23, 42, 0.42);
    --glass-72: rgba(15, 23, 42, 0.55);
    --glass-78: rgba(15, 23, 42, 0.62);
    --glass-86: rgba(15, 23, 42, 0.72);
    --glass-92: rgba(15, 23, 42, 0.78);

    --tag-bg: rgba(14, 165, 233, 0.15);
    --tag-fg: #7dd3fc;
    --error-bg: rgba(239, 68, 68, 0.15);
    --error-border: rgba(239, 68, 68, 0.25);
    --focus-border: rgba(0, 144, 168, 0.50);
    --focus-ring: rgba(0, 144, 168, 0.20);
    --page-bg: #0a0f1a;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: "Space Grotesk", "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: var(--page-bg);
    min-height: 100%;
}

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

a:hover {
    color: var(--accent);
}

h1, h2, h3 {
    margin: 0 0 0.6rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--ink);
}

h1 {
    font-size: clamp(1.7rem, 2.6vw, 2.2rem);
}

p {
    margin: 0 0 1rem;
    color: var(--muted);
    line-height: 1.65;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.28rem;
    font-size: 0.7rem;
    color: var(--accent-alt);
    font-weight: 700;
}

.lead {
    font-size: 1.05rem;
}

.shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1.1rem;
    background: var(--glass-60);
    border-bottom: 1px solid var(--border-08);
    backdrop-filter: blur(14px);
}

.topbar-right {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.settings {
    position: relative;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--glass-72);
    color: var(--ink);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.icon-button:hover {
    background: var(--glass-92);
    border-color: var(--border);
}

.icon {
    display: block;
}

.settings-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 0.55rem);
    width: 220px;
    padding: 0.5rem;
    border-radius: 1rem;
    background: var(--glass-92);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.settings-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.6rem 0.75rem;
    border-radius: 0.75rem;
    color: var(--ink);
    font-weight: 700;
    background: transparent;
    border: 0;
    text-align: left;
}

.settings-item:hover {
    background: var(--hover);
    color: var(--ink);
}

.settings-item.danger {
    color: var(--accent);
}

.settings-sep {
    height: 1px;
    margin: 0.4rem 0.2rem;
    background: var(--border);
}

.brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    white-space: nowrap;
    line-height: 1.1;
}

.brand-mark {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand-sub {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.85rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--glass-72);
    font-size: 0.8rem;
    color: var(--muted);
}

.nav {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.nav-link {
    display: inline-flex;
    padding: 0.42rem 0.75rem;
    border-radius: 999px;
    border: 1px solid transparent;
    color: var(--muted);
    font-weight: 650;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
    color: var(--ink);
    background: var(--glass-55);
    border-color: var(--border-08);
}

.nav-link.active {
    color: var(--ink);
    background: var(--glass-92);
    border-color: var(--border-10);
}

.content {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.25rem 0 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.62rem 1.2rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn.primary {
    background: var(--ink);
    color: var(--surface);
    border-color: var(--ink);
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn.ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--ink);
}

.btn.ghost:hover {
    background: var(--glass-55);
}

.section {
    margin-top: 3rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.card {
    background: var(--glass-86);
    border-radius: 1.25rem;
    padding: 1.4rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-08);
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
}

.card-meta {
    font-size: 0.9rem;
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: var(--glass-72);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink);
    text-transform: lowercase;
}

.tag {
    display: inline-flex;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: var(--tag-bg);
    color: var(--tag-fg);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16rem;
    font-weight: 700;
}

.split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 0.9rem;
    background: var(--glass-72);
    border: 1px solid var(--border-08);
    color: var(--ink);
}

.list-item > span {
    color: var(--ink);
}

.list-item > span:first-child {
    color: var(--muted);
    font-weight: 600;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: center;
}

.hero-panel {
    background: var(--glass-72);
    border-radius: 1.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-08);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.form-grid {
    display: grid;
    gap: 1rem;
}

.input-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 650;
    color: var(--ink);
}

.input {
    padding: 0.65rem 0.85rem;
    border-radius: 0.8rem;
    border: 1px solid var(--border-18);
    background: var(--glass-92);
    color: var(--ink);
    outline: none;
}

.input option {
    background: var(--surface);
    color: var(--ink);
}

.input:focus {
    border-color: var(--focus-border);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.check {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--muted);
    font-weight: 600;
}

.form-error {
    padding: 0.75rem 0.9rem;
    border-radius: 0.9rem;
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--ink);
}

.auth-shell {
    min-height: calc(100vh - 5rem);
    display: grid;
    place-items: center;
    padding: 1.5rem 0;
}

.auth-card {
    width: min(560px, 100%);
    background: var(--glass-78);
    border-radius: 1.6rem;
    padding: 1.75rem;
    border: 1px solid var(--border-08);
    box-shadow: var(--shadow);
}

.auth-foot {
    margin-top: 1.25rem;
    display: flex;
    justify-content: flex-start;
}

.auth-required {
    padding: 1.6rem;
    border-radius: 1.4rem;
    background: var(--glass-72);
    border: 1px solid var(--border-08);
}

.validation-message {
    color: var(--accent);
    font-weight: 650;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface) !important;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--border-08);
}

.table thead {
    background: var(--surface) !important;
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--muted) !important;
    border-bottom: 1px solid var(--border-08);
    background: var(--surface) !important;
}

.table th:last-child {
    text-align: right;
}

.table tbody {
    background: var(--surface) !important;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-08);
    transition: background 0.2s ease;
    background: var(--surface) !important;
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table tbody tr:hover {
    background: var(--hover) !important;
}

.table td {
    padding: 1rem;
    color: var(--ink) !important;
    background: var(--surface) !important;
}

.table td:last-child {
    text-align: right;
}

#blazor-error-ui {
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
    background: var(--glass-92);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
}

#blazor-error-ui .reload {
    margin-left: 0.75rem;
    font-weight: 700;
}

#blazor-error-ui .dismiss {
    float: right;
    cursor: pointer;
}

@media (max-width: 860px) {
    .topbar {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .nav {
        justify-content: flex-start;
        order: 3;
        flex-basis: 100%;
    }
}

/* Additional utility classes */
.card-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card.clickable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.card.clickable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent-alt);
}

.background-alt {
    background: var(--surface-muted);
}

@media (max-width: 640px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .card-grid-2 {
        grid-template-columns: 1fr;
    }
}