:root {
    --navy-950: #07111f;
    --navy-900: #0b1728;
    --navy-800: #132238;
    --blue-600: #2563eb;
    --blue-500: #3b82f6;
    --teal-500: #14b8a6;
    --slate-900: #0f172a;
    --slate-700: #334155;
    --slate-500: #64748b;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --page: #f6f8fb;
    --panel: #ffffff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--page);
    color: var(--slate-900);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.sidebar {
    width: 264px;
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px 18px;
    overflow-y: auto;
    color: white;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, .22), transparent 34%),
        linear-gradient(180deg, var(--navy-900), var(--navy-950));
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 12px;
}

.epsilon-symbol {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: white;
    font-family: Georgia, serif;
    font-size: 30px;
    line-height: 1;
    background: linear-gradient(135deg, var(--blue-600), var(--teal-500));
    box-shadow: 0 8px 24px rgba(37, 99, 235, .3);
}

.brand-name {
    font-size: 18px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.brand-subtitle {
    margin-top: 2px;
    color: #94a3b8;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.nav-section-label {
    margin: 28px 11px 8px;
    color: #64748b;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .15em;
}

.sidebar nav a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 11px;
    min-height: 42px;
    margin-bottom: 4px;
    padding: 9px 11px;
    border-radius: 9px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    transition: .18s ease;
}

.sidebar nav a:hover {
    color: white;
    background: rgba(255, 255, 255, .07);
}

.nav-icon {
    width: 21px;
    color: #7dd3fc;
    font-size: 16px;
    text-align: center;
}

.disabled-link {
    opacity: .62;
    pointer-events: none;
}

.coming-soon {
    margin-left: auto;
    padding: 2px 6px;
    border-radius: 10px;
    color: #94a3b8;
    background: rgba(255,255,255,.07);
    font-size: 9px;
    text-transform: uppercase;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.user-avatar {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #1e3a5f;
    color: #bfdbfe;
    font-weight: 700;
}

.user-details {
    display: grid;
    min-width: 0;
}

.user-details strong {
    overflow: hidden;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-details small {
    color: #94a3b8;
    font-size: 11px;
}

.user-details a {
    margin-top: 2px;
    color: #7dd3fc;
    font-size: 11px;
    text-decoration: none;
}

.main-content {
    width: calc(100% - 264px);
    margin-left: 264px;
}

.topbar {
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    border-bottom: 1px solid var(--slate-200);
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(12px);
    color: var(--slate-700);
    font-size: 13px;
    font-weight: 600;
}

.environment-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34,197,94,.1);
}

.topbar-right {
    color: var(--slate-500);
    font-weight: 500;
}

.content-wrap {
    padding: 30px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-end;
    margin-bottom: 26px;
}

.page-header h1 {
    margin: 5px 0 3px;
    font-size: 29px;
    font-weight: 750;
    letter-spacing: -.035em;
}

.page-header p {
    margin: 0;
    color: var(--slate-500);
}

.eyebrow {
    color: var(--blue-600);
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: .13em;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.metric-card,
.panel {
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    background: var(--panel);
    box-shadow: 0 6px 22px rgba(15, 23, 42, .045);
}

.metric-card {
    min-height: 145px;
    padding: 22px;
}

.metric-label {
    color: var(--slate-500);
    font-size: 13px;
    font-weight: 600;
}

.metric-value {
    margin-top: 8px;
    font-size: 34px;
    font-weight: 760;
    letter-spacing: -.04em;
}

.metric-note {
    margin-top: 9px;
    color: #94a3b8;
    font-size: 11px;
}

.panel {
    padding: 21px;
}

.panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.panel-title {
    font-size: 16px;
    font-weight: 730;
}

.panel-subtitle {
    margin-top: 3px;
    color: var(--slate-500);
    font-size: 12px;
}

.panel-header a {
    color: var(--blue-600);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
}

.table {
    --bs-table-bg: transparent;
}

.table thead th {
    padding-top: 11px;
    padding-bottom: 11px;
    color: var(--slate-500);
    border-bottom-color: var(--slate-200);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.table tbody td {
    padding-top: 14px;
    padding-bottom: 14px;
    border-bottom-color: var(--slate-100);
    font-size: 13px;
}

.account-code {
    color: var(--slate-700);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    text-transform: capitalize;
}

.status-active {
    color: #166534;
    background: #dcfce7;
}

.empty-state {
    padding: 28px !important;
    color: var(--slate-500) !important;
    text-align: center;
}

.progress-list {
    display: grid;
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--slate-200);
    border-radius: 10px;
    background: var(--slate-200);
}

.progress-list div {
    display: flex;
    justify-content: space-between;
    padding: 12px 13px;
    background: white;
    font-size: 12px;
}

.progress-list strong {
    color: #15803d;
    font-size: 11px;
}

.progress-list .muted strong {
    color: var(--blue-600);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px;
    background:
        radial-gradient(circle at 20% 20%, rgba(37,99,235,.22), transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(20,184,166,.14), transparent 25%),
        var(--navy-950);
}

.login-layout {
    width: min(980px, 100%);
    min-height: 590px;
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 22px;
    background: rgba(255,255,255,.04);
    box-shadow: 0 30px 80px rgba(0,0,0,.28);
}

.login-intro {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 42px;
    color: white;
}

.login-brand .brand-subtitle {
    color: #94a3b8;
}

.login-message {
    max-width: 520px;
    padding-bottom: 30px;
}

.login-message h1 {
    margin: 12px 0 18px;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.04;
    letter-spacing: -.05em;
}

.login-message p {
    max-width: 500px;
    color: #cbd5e1;
    font-size: 16px;
    line-height: 1.6;
}

.login-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 46px;
    background: white;
}

.login-card h2 {
    margin: 8px 0 4px;
    font-size: 28px;
    font-weight: 750;
}

.form-control,
.form-select {
    border-color: var(--slate-300);
    border-radius: 9px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 .2rem rgba(37,99,235,.12);
}

.btn {
    border-radius: 9px;
    font-weight: 650;
}

.btn-primary {
    border-color: var(--blue-600);
    background: var(--blue-600);
}

.btn-primary:hover {
    border-color: #1d4ed8;
    background: #1d4ed8;
}

@media (max-width: 920px) {
    .sidebar { width: 220px; }
    .main-content {
        width: calc(100% - 220px);
        margin-left: 220px;
    }
    .login-layout { grid-template-columns: 1fr; }
    .login-intro { min-height: 320px; }
}

@media (max-width: 720px) {
    .sidebar {
        position: static;
        width: 100%;
        min-height: auto;
    }
    .app-shell { display: block; }
    .main-content {
        width: 100%;
        margin-left: 0;
    }
    .page-header {
        align-items: flex-start;
        flex-direction: column;
    }
    .content-wrap { padding: 18px; }
    .topbar { padding: 0 18px; }
}


.brand-logo-full {
    display: block;
    width: 178px;
    max-height: 52px;
    object-fit: contain;
    object-position: left center;
}

.brand-logo-compact {
    display: none;
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.login-logo {
    width: min(320px, 90%);
    max-height: 110px;
    object-fit: contain;
    object-position: left center;
}

.sidebar-toggle {
    width: 34px;
    height: 34px;
    margin-right: 12px;
    border: 1px solid var(--slate-200);
    border-radius: 8px;
    color: var(--slate-700);
    background: white;
    font-size: 17px;
    line-height: 1;
}

.sidebar-toggle:hover {
    background: var(--slate-100);
}

.topbar {
    justify-content: flex-start;
}

.topbar-right {
    margin-left: auto;
}

.app-shell.sidebar-collapsed .sidebar {
    width: 82px;
    padding-left: 14px;
    padding-right: 14px;
}

.app-shell.sidebar-collapsed .main-content {
    width: calc(100% - 82px);
    margin-left: 82px;
}

.app-shell.sidebar-collapsed .brand-logo-full,
.app-shell.sidebar-collapsed .nav-section-label,
.app-shell.sidebar-collapsed .sidebar nav a:not(.disabled-link) {
    font-size: 0;
}

.app-shell.sidebar-collapsed .brand-logo-full {
    display: none;
}

.app-shell.sidebar-collapsed .brand-logo-compact {
    display: block;
    margin: 0 auto;
}

.app-shell.sidebar-collapsed .sidebar nav a {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.app-shell.sidebar-collapsed .nav-icon {
    width: auto;
    margin: 0;
    font-size: 19px;
}

.app-shell.sidebar-collapsed .coming-soon,
.app-shell.sidebar-collapsed .user-details {
    display: none;
}

.app-shell.sidebar-collapsed .sidebar-footer {
    justify-content: center;
}

@media (max-width: 720px) {
    .sidebar-toggle { display: none; }
    .brand-logo-full { width: 150px; }
}


.table-link {
    color: var(--slate-900);
    font-weight: 650;
    text-decoration: none;
}
.table-link:hover { color: var(--blue-600); }
.back-link {
    display: block;
    margin-bottom: 12px;
    color: var(--slate-500);
    font-size: 12px;
    font-weight: 650;
    text-decoration: none;
}
.back-link:hover { color: var(--blue-600); }
.cell-note { margin-top: 2px; color: var(--slate-500); font-size: 11px; }
.metric-card.compact { min-height: 112px; }
.metric-card.compact .metric-value { font-size: 29px; }
.status-pending { color: #92400e; background: #fef3c7; }
.status-suspended, .status-cancelled { color: #991b1b; background: #fee2e2; }
.status-available { color: #166534; background: #dcfce7; }
.status-pill.large { padding: 7px 13px; font-size: 11px; }
.detail-list { margin: 0; }
.detail-list > div {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--slate-100);
}
.detail-list > div:last-child { border-bottom: 0; }
.detail-list dt { color: var(--slate-500); font-size: 12px; font-weight: 550; }
.detail-list dd { margin: 0; color: var(--slate-900); font-size: 13px; font-weight: 650; }
.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--slate-200);
    border-radius: 11px;
    background: var(--slate-200);
}
.detail-grid > div { min-height: 94px; padding: 17px; background: white; }
.detail-grid span, .notes-box > span {
    display: block;
    margin-bottom: 8px;
    color: var(--slate-500);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.detail-grid strong { font-size: 13px; overflow-wrap: anywhere; }
.notes-box {
    margin-top: 16px;
    padding: 17px;
    border-radius: 10px;
    background: var(--slate-100);
}
.notes-box p { margin: 0; color: var(--slate-700); white-space: pre-wrap; }
.location-card {
    padding: 20px;
    border: 1px solid var(--slate-200);
    border-radius: 12px;
    background: linear-gradient(145deg, #f8fafc, #eef6ff);
}
.location-code {
    color: var(--blue-600);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
}
.location-card h3 { margin: 7px 0 3px; font-size: 24px; }
.location-card p { margin: 0; color: var(--slate-500); font-size: 12px; }
.rack-position {
    margin-top: 18px;
    padding: 12px;
    border-radius: 8px;
    color: white;
    background: var(--navy-900);
    font-size: 18px;
    font-weight: 750;
    text-align: center;
}
.power-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.power-pair > div {
    padding: 18px;
    border: 1px solid var(--slate-200);
    border-radius: 10px;
}
.power-pair span { display: block; color: var(--slate-500); font-size: 11px; }
.power-pair strong { display: block; margin-top: 6px; font-size: 25px; }
.form-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--slate-200);
}
.form-section:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.form-section h3 { margin-bottom: 15px; font-size: 15px; }
.modal-title { margin-top: 3px; font-size: 21px; }
@media (max-width: 900px) {
    .detail-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .detail-grid { grid-template-columns: 1fr; }
    .detail-list > div { grid-template-columns: 1fr; gap: 4px; }
}