.login-page {
    font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.login-card {
    background: #111827;
    padding: 40px;
    border-radius: 20px;
    width: min(400px, 90vw);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.6);
}

.login-card h1 {
    margin-top: 0;
    font-size: 1.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #93c5fd;
}

.login-card label {
    display: block;
    margin: 20px 0 6px;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #cbd5f5;
}

.login-card input[type="email"],
.login-card input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #1f2937;
    background: #0b1120;
    color: #e2e8f0;
    font-size: 1rem;
}

.login-card button {
    width: 100%;
    margin-top: 24px;
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(120deg, #6366f1, #8b5cf6);
    color: #fff;
    font-size: 1rem;
    letter-spacing: 0.05em;
    cursor: pointer;
}

.login-error {
    margin-top: 10px;
    padding: 12px;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.15);
    color: #fecaca;
    font-size: 0.95rem;
}

.login-card form {
    margin: 0;
}

:root {
    color-scheme: light dark;
    font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
    --page-bg: #f9f9fb;
    --text-color: #1c1f2b;
    --muted-text: #6a6f85;
    --table-bg: #ffffff;
    --border-color: #d8dae3;
    --table-shadow: 0 10px 30px rgba(20, 23, 38, 0.08);
    --header-gradient-start: #eceffc;
    --header-gradient-end: #dfe5ff;
    --header-text: #111527;
    --input-bg: #ffffff;
    --input-border: #cfd2e4;
    --input-shadow: inset 0 1px 3px rgba(20, 20, 20, 0.08);
    --card-bg: #ffffff;
    --card-shadow: 0 4px 16px rgba(20, 23, 38, 0.08);
    --mobile-label: #6a6f85;
    --checkbox-color: #4a63ff;
    --nav-bg: #0e1425;
    --nav-text: #eef2ff;
    --nav-accent: #94a3ff;
    --nav-border: rgba(255, 255, 255, 0.08);
}

@media print {
    @page {
        size: A4 portrait;
        margin: 12mm;
    }

    body.inventory-page {
        background: #fff !important;
        color: #000 !important;
        margin: 0;
        font-size: 11pt;
    }

    .app-header,
    .nav-actions,
    .controls,
    .modal-backdrop,
    .hamburger {
        display: none !important;
    }

    .app-shell,
    .app-main,
    .table-wrapper {
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        box-shadow: none !important;
        background: none !important;
    }

    table#inventoryTable {
        width: 100% !important;
        border-collapse: collapse !important;
        border: 1px solid #000 !important;
        table-layout: fixed !important;
        background: #fff !important;
        font-size: 11pt !important;
        box-shadow: none !important;
        page-break-inside: auto;
    }

    table#inventoryTable thead {
        display: table-header-group !important;
        border: 1px solid #000 !important;
        visibility: visible !important;
        position: static !important;
        width: auto !important;
        height: auto !important;
        clip: auto !important;
        overflow: visible !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    table#inventoryTable tbody {
        display: table-row-group !important;
    }

    table#inventoryTable tr {
        page-break-inside: avoid !important;
        border: 1px solid #000 !important;
        break-inside: avoid !important;
        background: none !important;
        box-shadow: none !important;
    }

    table#inventoryTable th,
    table#inventoryTable td {
        border: 1px solid #000 !important;
        padding: 6px 8px !important;
        background: none !important;
        color: #000 !important;
        white-space: nowrap !important;
        box-shadow: none !important;
    }

    table#inventoryTable td.description-cell {
        white-space: normal !important;
        border: 1px solid #000 !important;
    }

    table#inventoryTable th {
        border: 1px solid #000 !important;
        font-weight: bold !important;
        text-align: left !important;
    }

    td::before {
        border: 1px solid #000 !important;
        display: none !important;
        content: none !important;
    }
}

@page {
    size: A4 portrait;
    margin: 12mm;
}

body.inventory-page {
    font-family: inherit;
    background-color: var(--page-bg);
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

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

.app-main {
    padding: 24px;
    flex: 1;
}

.app-header {
    background: var(--nav-bg);
    color: var(--nav-text);
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    border-bottom: 1px solid var(--nav-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.app-title {
    font-size: 1.4rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0;
    color: var(--nav-accent);
}

.app-title a {
    color: inherit;
    text-decoration: none;
}

.app-title a:hover,
.app-title a:focus-visible {
    text-decoration: underline;
}

.nav-actions {
    position: relative;
}

.hamburger {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--nav-border);
    background: transparent;
    color: var(--nav-text);
    display: grid;
    place-items: center;
    cursor: pointer;
}

.hamburger span {
    width: 18px;
    height: 2px;
    background: currentColor;
    position: relative;
}

.hamburger span::before,
.hamburger span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: currentColor;
}

.hamburger span::before {
    top: -6px;
}

.hamburger span::after {
    top: 6px;
}

.nav-menu {
    position: absolute;
    left: 0;
    top: calc(100% + 10px);
    background: #0b1120;
    border: 1px solid var(--nav-border);
    border-radius: 12px;
    min-width: 250px;
    padding: 12px 0;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.6);
    display: none;
}

.nav-menu.open {
    display: block;
}

.nav-menu button {
    width: 100%;
    background: none;
    border: none;
    color: var(--nav-text);
    padding: 10px 20px;
    text-align: left;
    font-size: 0.95rem;
    cursor: pointer;
    white-space: nowrap;
}

.nav-menu-toggle {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--nav-text);
    padding: 10px 20px;
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.nav-menu-toggle:hover {
    background: rgba(148, 163, 184, 0.15);
}

.nav-menu-toggle input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--checkbox-color);
}

.nav-menu button:hover {
    background: rgba(148, 163, 184, 0.15);
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-backdrop.open {
    display: flex;
}

.modal-card {
    background: #0f172a;
    border-radius: 20px;
    padding: 28px;
    width: min(420px, 90vw);
    color: #e2e8f0;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.modal-card h2 {
    margin-top: 0;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 1.1rem;
    color: #93c5fd;
}

.modal-card label {
    display: block;
    margin: 18px 0 6px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #cbd5f5;
}

.modal-card input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: #0b1120;
    color: inherit;
    font-size: 1rem;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.modal-actions button {
    padding: 10px 18px;
    border-radius: 10px;
    border: none;
    font-size: 0.95rem;
    cursor: pointer;
}

.modal-actions .secondary {
    background: rgba(148, 163, 184, 0.15);
    color: #cbd5f5;
}

.modal-actions .primary {
    background: linear-gradient(120deg, #6366f1, #8b5cf6);
    color: #fff;
}

.page-actions {
    margin-bottom: 18px;
}

.page-link-button {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 10px;
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
}

.page-link-button:hover,
.page-link-button:focus-visible {
    background: rgba(148, 163, 184, 0.25);
}

.page-link-button-primary {
    background: linear-gradient(120deg, #2563eb, #0f766e);
    border-color: transparent;
    color: #ffffff;
}

.page-link-button-primary:hover,
.page-link-button-primary:focus-visible {
    background: linear-gradient(120deg, #1d4ed8, #0f766e);
}

.inline-action-form {
    margin: 0;
}

.inline-action-form button {
    cursor: pointer;
}

.inline-message {
    margin: 16px 0;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.inline-message-error {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.28);
    color: #b91c1c;
}

.purchase-form-card {
    margin: 18px 0 24px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--table-bg);
    box-shadow: var(--table-shadow);
}

.purchase-form-card-compact {
    display: inline-block;
    width: fit-content;
    max-width: 100%;
}

.purchase-entry-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.purchase-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.purchase-item-grid {
    grid-template-columns: repeat(3, 200px);
}

.purchase-form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.purchase-form-field label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted-text);
}

.purchase-form-field input,
.purchase-form-field select {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--input-border);
    box-shadow: var(--input-shadow);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
}

.purchase-form-actions,
.purchase-detail-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.purchase-item-quantity {
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.purchase-item-cost {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.modal-error {
    background: rgba(239, 68, 68, 0.15);
    color: #fecaca;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-top: 16px;
    display: none;
}

.modal-error.visible {
    display: block;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 15px;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 18px;
}

.table-count {
    margin-top: 12px;
    padding: 0 4px 4px;
    color: var(--muted-text);
    font-size: 0.95rem;
    font-weight: 600;
}

table {
    border-collapse: collapse;
    margin-top: 10px;
    background-color: var(--table-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--table-shadow);
    table-layout: fixed;
}

th,
td {
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    text-align: left;
    overflow-wrap: anywhere;
}

th {
    background: linear-gradient(120deg, var(--header-gradient-start), var(--header-gradient-end));
    color: var(--header-text);
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

#search {
    flex: 1;
    min-width: 220px;
    max-width: 420px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    font-size: 1rem;
    box-shadow: var(--input-shadow);
    background-color: var(--input-bg);
    color: var(--text-color);
}

.sort-label {
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 600;
}

#sortOrder,
#purchaseFilter {
    min-width: 180px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    font-size: 1rem;
    box-shadow: var(--input-shadow);
    background-color: var(--input-bg);
    color: var(--text-color);
}

.filter-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-color);
    cursor: pointer;
    user-select: none;
}

.filter-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--checkbox-color);
}

.col-stock {
    width: 130px;
}

.col-potgrams {
    width: 130px;
}

.col-grams {
    width: 110px;
}

.col-description {
    width: clamp(220px, 48vw, 620px);
}

.col-purchase-date {
    width: 220px;
}

.col-supplier {
    width: clamp(180px, 24vw, 320px);
}

.col-itemcount {
    width: 120px;
}

.col-totalcost {
    width: 160px;
}

.col-row-action {
    width: 120px;
}

td.grams-cell,
td.potgrams-cell {
    line-height: 1.4;
    font-variant-numeric: tabular-nums;
    min-width: 90px;
}

th.purchase-itemcount-header,
td.purchase-itemcount-cell {
    text-align: center;
}

th.purchase-totalcost-header,
td.purchase-totalcost-cell {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

td.description-cell {
    line-height: 1.4;
    word-break: break-word;
}

.description-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.description-text {
    flex: 1;
    min-width: 0;
}

.description-link-button {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.description-link-button:hover,
.description-link-button:focus-visible {
    background: rgba(148, 163, 184, 0.25);
}

.grams-input {
    width: 100%;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    box-sizing: border-box;
}

.grams-input.input-error {
    border-color: #d14343;
}

.description-input {
    width: 100%;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    box-sizing: border-box;
}

tr.editing {
    outline: 2px solid rgba(74, 99, 255, 0.35);
    outline-offset: 2px;
}

tr.saving {
    opacity: 0.85;
}

.no-records td {
    text-align: center;
    font-style: italic;
}

@media (max-width: 720px) {
    .table-wrapper {
        overflow: visible;
    }

    table {
        border: 0;
        box-shadow: none;
        background-color: transparent;
    }

    thead {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        border: 0;
        padding: 0;
        clip: rect(0 0 0 0);
        overflow: hidden;
    }

    tbody {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    tr {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 14px;
        border: 1px solid var(--border-color);
        border-radius: 16px;
        padding: 14px;
        background-color: var(--card-bg);
        box-shadow: var(--card-shadow);
    }

    th,
    td {
        border: 0;
        padding: 0;
    }

    td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.7rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--mobile-label);
        margin-bottom: 2px;
    }

    td.description-cell {
        grid-column: 1 / -1;
    }

    .description-content {
        align-items: flex-start;
        flex-direction: column;
    }

    tr.no-records {
        display: block;
        text-align: center;
    }

    tr.no-records td::before {
        content: attr(data-label);
        margin-bottom: 6px;
        text-align: center;
        width: 100%;
    }

    .purchase-item-grid {
        grid-template-columns: 1fr;
    }
}

:root[data-theme="dark"] {
    --page-bg: #0f1117;
    --text-color: #f2f5ff;
    --muted-text: #a0a6c3;
    --table-bg: #181b24;
    --border-color: #2b2f3e;
    --table-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    --header-gradient-start: #1f2433;
    --header-gradient-end: #252d44;
    --header-text: #e5e9ff;
    --input-bg: #101320;
    --input-border: #353a52;
    --input-shadow: inset 0 0 0 rgba(0, 0, 0, 0);
    --card-bg: #181b24;
    --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
    --mobile-label: #9aa3c4;
    --checkbox-color: #7f8cff;
}

@media print {
    :root {
        --page-bg: #ffffff;
        --text-color: #000000;
        --muted-text: #333333;
        --table-bg: #ffffff;
        --border-color: #000000;
        --table-shadow: none;
        --header-gradient-start: #ffffff;
        --header-gradient-end: #ffffff;
        --header-text: #000000;
        --input-bg: #ffffff;
        --input-border: #000000;
        --card-bg: #ffffff;
        --card-shadow: none;
    }

    body.inventory-page {
        font-size: 11pt;
        background: #ffffff;
        color: #000000;
        margin: 0;
    }

    .app-shell,
    .app-main {
        padding: 0;
        width: 100%;
    }

    .app-header {
        position: static;
        background: #ffffff;
        color: #000000;
        border: 0;
        box-shadow: none;
        padding: 0 0 8px;
    }

    .app-title {
        color: #000000;
    }

    .nav-actions,
    .controls,
    .modal-backdrop,
    .hamburger {
        display: none !important;
    }

    .table-wrapper {
        overflow: visible;
        box-shadow: none;
        width: 100%;
    }

    table {
        width: 100%;
        box-shadow: none;
        font-size: 11pt;
        table-layout: fixed;
        border-collapse: collapse;
        display: table;
    }

    thead {
        display: table-header-group;
    }

    tbody {
        display: table-row-group;
    }

    tr {
        display: table-row;
        page-break-inside: avoid;
        break-inside: avoid;
    }

    th,
    td {
        display: table-cell;
    }

    th {
        background: #ffffff;
        color: #000000;
    }

    th,
    td {
        border-color: #000000;
        padding: 6px 8px;
    }

    .col-stock {
        width: 18%;
    }

    .col-potgrams {
        width: 17%;
    }

    .col-grams {
        width: 15%;
    }

    .col-description {
        width: 50%;
    }

    td.description-cell {
        white-space: normal;
    }

    th:not(.col-description),
    td:not(.description-cell) {
        white-space: nowrap;
    }
}