:root {
    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-border: #e2e5ea;
    --color-text: #16181d;
    --color-text-muted: #6b7280;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-received-bg: #dcfce7;
    --color-nav-bg: #12172b;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
    --shadow-md: 0 4px 10px -2px rgba(16, 24, 40, 0.12), 0 2px 4px -2px rgba(16, 24, 40, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
}

h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 1.25rem;
}

h1:focus {
    outline: none;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.85rem 1.5rem;
    background: var(--color-nav-bg);
    box-shadow: var(--shadow-sm);
}

.top-nav a {
    color: #cbd3e1;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.3rem 0;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.top-nav a:hover {
    color: #ffffff;
    border-bottom-color: var(--color-primary);
}

.top-nav .lang-select {
    width: auto;
    margin-left: auto;
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd3e1;
    border-color: rgba(255, 255, 255, 0.2);
}

.top-nav .lang-select:focus {
    box-shadow: none;
    border-color: var(--color-primary);
}

.top-nav .logout-link {
    opacity: 0.8;
}

.lang-switcher {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.lang-switcher a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.lang-switcher a:hover {
    color: var(--color-primary);
}

.content {
    padding: 2rem 1.5rem;
    max-width: 95vw;
    margin: 0 auto;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.toolbar label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.search-input {
    width: auto;
    min-width: 16rem;
}

.toolbar .btn {
    margin-left: auto;
}

.edit-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 48rem;
    max-width: 95vw;
}

.edit-form label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-actions {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.25rem;
}

.error-message {
    color: var(--color-danger);
    font-weight: 600;
}

.success-message {
    color: #16803c;
    font-weight: 600;
}

.backup-section {
    max-width: 40rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.backup-section h2 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
}

.backup-section p {
    color: var(--color-text-muted);
    margin: 0 0 1rem;
}

.backup-section input[type="file"] {
    margin-bottom: 1rem;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 100;
}

.modal-content {
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content .edit-form {
    margin-bottom: 0;
}

.table-wrapper {
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.25rem;
}

.pager-status {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

table {
    width: 100%;
    min-width: 80vw;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.9rem;
    white-space: nowrap;
}

.product-thumbnail {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    display: block;
}

.product-picture-preview {
    max-width: 100%;
    max-height: 150px;
    object-fit: contain;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    display: block;
    margin-bottom: 0.5rem;
}

thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    background: #f9fafb;
    border-bottom: 1px solid var(--color-border);
}

tbody tr:not(:last-child) td {
    border-bottom: 1px solid var(--color-border);
}

th.sortable {
    cursor: pointer;
    user-select: none;
}

th.sortable:hover {
    color: var(--color-text);
}

tbody tr.row-received {
    background: var(--color-received-bg);
}

.preserve-lines {
    white-space: pre-line;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font: inherit;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
}

.btn:hover {
    background: #f3f4f6;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

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

.btn-danger {
    color: var(--color-danger);
    border-color: #f3d0d0;
}

.btn-danger:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: #ffffff;
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

button:not(.btn) {
    font: inherit;
}

/* Inputs. Blazor's InputText renders <input> with no type attribute at all
   (defaults to text), so this can't be a type=".." allow-list - exclude checkbox instead. */
input:not([type="checkbox"]),
textarea,
select {
    font: inherit;
    font-size: 0.9rem;
    width: 100%;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

input[type="checkbox"] {
    width: 1.05rem;
    height: 1.05rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.date-input {
    position: relative;
    display: block;
}

.date-input input[type="text"] {
    padding-right: 2.2rem;
}

.date-input::after {
    content: "\1F4C5";
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    pointer-events: none;
}

.date-input .date-input-native {
    position: absolute;
    inset: 0;
    left: auto;
    width: 2.2rem;
    padding: 0;
    border: none;
    background: transparent;
    opacity: 0;
    cursor: pointer;
}

.login-page {
    max-width: 20rem;
    margin: 5rem auto;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.login-page h1 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.login-page form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-page label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-align: left;
}

input.valid.modified:not([type=checkbox]), textarea.valid.modified {
    border-color: #22a35d;
}

input.invalid, textarea.invalid {
    border-color: var(--color-danger);
}

.validation-message {
    color: var(--color-danger);
    font-size: 0.825rem;
}

.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;
    border-radius: var(--radius);
}

    .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;
}