h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}
/* ---- Theme (dark default, html[data-theme="light"] overrides) ---- */

:root {
    color-scheme: dark;
    --bg: #070c18;
    --bg-alt: #0d1726;
    --fg: #ecf3ff;
    --surface: #111f33;
    --surface-elevated: #172943;
    --border: #2f4968;
    --border-strong: #4f6b8c;
    --muted: #93aac7;
    --link: #75d5ff;
    --accent: #2dc4ff;
    --accent-strong: #48f6c2;
    --error: #ff7f87;
    --chart-bg: #111f33;
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    --input-bg: #0c1728;
    --focus-ring: rgba(72, 246, 194, 0.4);
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #eff5fb;
    --bg-alt: #dce9f7;
    --fg: #14243a;
    --surface: #ffffff;
    --surface-elevated: #f5faff;
    --border: #bfd2e6;
    --border-strong: #8faecc;
    --muted: #53708e;
    --link: #0059b3;
    --accent: #0084d6;
    --accent-strong: #0ea57f;
    --error: #b70b1b;
    --chart-bg: #ffffff;
    --shadow: 0 10px 26px rgba(20, 40, 66, 0.12);
    --input-bg: #ffffff;
    --focus-ring: rgba(0, 132, 214, 0.22);
}

body {
    background: radial-gradient(140% 100% at 0% 0%, var(--bg-alt) 0%, var(--bg) 60%);
    color: var(--fg);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    margin: 0;
    min-height: 100vh;
}

a {
    color: var(--link);
}

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

input, select, button, textarea {
    background: var(--input-bg);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.38em 0.62em;
}

input:focus, select:focus, button:focus, textarea:focus {
    border-color: var(--border-strong);
    box-shadow: 0 0 0 0.2rem var(--focus-ring);
    outline: 0;
}

button {
    cursor: pointer;
}

button:hover {
    filter: brightness(1.08);
}

table {
    border-color: var(--border);
}

th, td {
    border-color: var(--border);
}

small, figcaption, .muted {
    color: var(--muted);
}

.error-text {
    color: var(--error);
}

/* ---- Top navigation ---- */

.top-nav {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(120deg, var(--surface) 20%, var(--surface-elevated) 100%);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

.top-nav .brand {
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-right: 0.25rem;
}

.top-nav a {
    text-decoration: none;
    color: var(--fg);
    opacity: 0.92;
    padding: 0.2rem 0.05rem;
}

.top-nav a:hover {
    opacity: 1;
}

.top-nav a.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    opacity: 1;
    padding: 0;
}

.brand-logo {
    height: 2rem;
    width: auto;
    display: block;
}

.top-nav .theme-toggle {
    margin-left: auto;
    border-color: var(--border-strong);
    background: linear-gradient(125deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #03131f;
    font-weight: 600;
}

.page-body {
    padding: 1.1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.device-card {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-elevated) 100%);
    padding: 0.9em;
    min-width: 20em;
    border-radius: 0.65rem;
    box-shadow: var(--shadow);
}

.connect-row {
    display: flex;
    gap: 0.5em;
    flex-wrap: wrap;
    align-items: center;
}

/* ---- Auth-aware nav + user administration ---- */
.top-nav .nav-spacer {
    flex: 1 1 auto;
}

.top-nav .nav-logout {
    display: inline;
    margin: 0;
}

.nav-link-button {
    background: none;
    border: none;
    color: var(--fg);
    opacity: 0.92;
    cursor: pointer;
    font: inherit;
    padding: 0.2rem 0.05rem;
    text-decoration: none;
}

.nav-link-button:hover {
    opacity: 1;
    color: var(--accent);
}

.admin-note {
    border: 1px solid var(--border-strong);
    border-left-width: 4px;
    background: var(--surface);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin: 1rem 0;
}

.admin-note-ok {
    border-left-color: var(--accent-strong);
}

.admin-note-warn {
    border-left-color: var(--accent);
}

.admin-note-error {
    border-left-color: var(--error);
    color: var(--error);
}

.admin-link {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.5rem;
    margin: 0.5rem 0 0;
    white-space: pre-wrap;
    word-break: break-all;
    user-select: all;
    font-size: 0.85rem;
}

.admin-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.admin-form input[type="text"],
.admin-form input[type="email"] {
    min-width: 18em;
}

.admin-check {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.admin-table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 0.5rem;
}

.admin-table th,
.admin-table td {
    border: 1px solid var(--border);
    padding: 0.45rem 0.6rem;
    text-align: left;
    vertical-align: middle;
}

.admin-table th {
    background: var(--surface-elevated);
}

.admin-row-disabled td {
    opacity: 0.55;
}

.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.admin-danger {
    border-color: var(--error);
    color: var(--error);
}

/* ---- Scale management ---- */

.scale-licences {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    padding: 0.7rem 1rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.scale-licence-edit {
    margin-left: auto;
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.scale-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    overflow: hidden;
}

.scale-table th, .scale-table td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.6rem;
    text-align: left;
    vertical-align: top;
}

.scale-table thead th {
    background: var(--surface-elevated);
}

.scale-actions {
    white-space: nowrap;
}

.scale-actions button {
    margin-right: 0.3rem;
}

.scale-substatus {
    color: var(--muted);
    font-size: 0.78em;
}

.scale-weight {
    font-size: 1.25em;
    font-weight: 600;
}

.scale-read-row td {
    background: var(--surface-elevated);
    font-size: 0.88em;
}

.scale-badge {
    display: inline-block;
    padding: 0 0.45em;
    border-radius: 0.3rem;
    font-size: 0.7em;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
    vertical-align: middle;
}

.scale-badge-online { background: #2a7d5f; }
.scale-badge-stale { background: #b8791b; }
.scale-badge-offline { background: #b0303c; }
.scale-badge-off { background: #64748b; }

.scale-editor {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 0.6rem;
    padding: 1rem;
    margin: 1.2rem 0;
    box-shadow: var(--shadow);
}

.scale-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 0.7rem 1rem;
}

.scale-form-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85em;
    color: var(--muted);
}

.scale-form-grid input, .scale-form-grid select {
    font-size: 1rem;
}

.scale-inline-form {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.8rem;
}

.scale-workstations {
    margin-top: 2rem;
}