/* ============================================================
   Roof Estimator — design system
   Palette, type scale and component styles. Class/id names that
   are toggled from JS (field-hidden, visible, open, active, hidden,
   toast-*) are preserved so behavior is untouched.
   ============================================================ */

:root {
    /* Surfaces */
    --bg-deep: #0a0e17;
    --bg-mid: #0f1420;
    --surface: #131a29;
    --surface-2: #182135;
    --surface-3: #1c273c;
    --panel: rgba(19, 26, 41, 0.82);
    --border: rgba(148, 163, 184, 0.14);
    --border-strong: rgba(148, 163, 184, 0.26);
    --border-soft: rgba(148, 163, 184, 0.09);

    /* Text */
    --text-main: #eef2f8;
    --text-soft: #9aa7bd;
    --text-muted: #6b7690;

    /* Brand / accents */
    --accent: #5b8cff;
    --accent-dim: #3f6bd6;
    --accent-2: #8b7cff;
    --success: #34d399;
    --success-dim: #1f8f6d;
    --danger: #f87171;
    --danger-dim: #dc4b4b;
    --warning: #fbbf24;

    /* Radii */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 20px rgba(2, 6, 16, 0.45);
    --shadow-lg: 0 20px 45px rgba(2, 6, 16, 0.55);
    --shadow-focus: 0 0 0 3px rgba(91, 140, 255, 0.22);

    --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    padding: 24px;
    margin: 0;
    color: var(--text-main);
    background:
        radial-gradient(720px 420px at 12% -8%, rgba(91, 140, 255, 0.10), transparent 60%),
        radial-gradient(640px 420px at 100% 0%, rgba(139, 124, 255, 0.08), transparent 55%),
        var(--bg-deep);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body.centered {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.page-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 1180px;
    margin: 8px auto;
}

.page-stack > .container {
    margin: 0;
}

.container {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 24px;
    margin: 14px auto;
    max-width: 1180px;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.head-container {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 8px 24px;
    margin: 14px auto;
    max-width: 1180px;
    width: 100%;
    box-shadow: var(--shadow-md);
}

/* ---- Header / brand / nav ---- */

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    border-radius: var(--r-sm);
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
}

.page-header h2,
.page-header h3,
.page-header h4 {
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #ffffff;
}

.page-header h2 {
    font-size: 1.5rem;
}

.page-header h3 {
    font-size: 1.2rem;
}

.page-header h4 {
    font-size: 1.15rem;
}

.top-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: var(--r-sm);
    font-weight: 600;
    font-size: 0.86rem;
    text-decoration: none;
    color: var(--text-soft);
    background: transparent;
    border: 1px solid transparent;
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
    color: var(--text-main);
    background: rgba(148, 163, 184, 0.08);
}

.nav-link[aria-current="page"] {
    color: #ffffff;
    background: rgba(91, 140, 255, 0.14);
    border-color: rgba(91, 140, 255, 0.35);
}

[hidden] {
    display: none !important;
}

.top-nav > a.nav-link,
.top-nav > button.nav-link {
    width: auto;
    max-width: max-content;
    margin-top: 0;
    flex: 0 0 auto;
}

.top-nav > button.nav-link {
    padding: 9px 12px;
    font-size: 0.86rem;
    font-weight: 600;
    letter-spacing: 0.2px;
    box-shadow: none;
}

/* Icon-only logout button */
#btnLogout {
    padding: 9px 12px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.3) !important;
    background: rgba(248, 113, 113, 0.08) !important;
    box-shadow: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
}

#btnLogout:hover {
    border-color: rgba(248, 113, 113, 0.55) !important;
    background: rgba(248, 113, 113, 0.16) !important;
    transform: none;
}

.error-banner {
    display: none;
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: var(--r-md);
    border: 1px solid rgba(248, 113, 113, 0.35);
    background: rgba(248, 113, 113, 0.08);
    color: #ffd9d9;
    font-size: 0.9rem;
}

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

.error-banner strong {
    color: #fff;
}

.error-banner ul {
    margin: 8px 0 0 18px;
    padding: 0;
}

/* ---- Estimator layout ---- */

.layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.layout.estimator-layout {
    grid-template-columns: 1fr 1fr;
}

.column {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 18px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease;
}

.column:hover {
    border-color: var(--border-strong);
}

.login-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

label {
    display: block;
    margin-top: 14px;
    font-weight: 600;
    color: var(--text-main);
    width: 100%;
    text-align: left;
    font-size: 0.86rem;
    letter-spacing: 0.1px;
}

label:first-of-type {
    margin-top: 0;
}

label.hint,
span.hint {
    display: block;
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

input,
select,
textarea,
button {
    width: 100%;
    margin-top: 7px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-strong);
    font-size: 0.92rem;
    font-family: inherit;
    text-align: left;
}

input,
select,
textarea {
    padding: 10px 12px;
    color: var(--text-main);
    background: var(--surface-2);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea {
    min-height: 4.5rem;
    line-height: 1.45;
    resize: vertical;
    vertical-align: top;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select {
    color-scheme: dark;
}

select option {
    color: var(--text-main);
    background-color: #182135;
}

select option:checked {
    background-color: var(--accent-dim);
    color: #ffffff;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: var(--shadow-focus);
}

.field-hidden {
    display: none !important;
}

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.9rem;
    color: var(--text-main);
    cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--accent);
}

/* ---- Buttons ---- */

.buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.buttons button {
    flex: 1;
    min-width: 120px;
    margin-top: 0;
}

button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    padding: 11px 14px;
    text-align: center;
    border: 1px solid transparent;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.1px;
    cursor: pointer;
    background: var(--accent);
    box-shadow: var(--shadow-sm);
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

button:hover {
    background: var(--accent-dim);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
    pointer-events: none;
}

button.secondary {
    background: var(--surface-3);
    border-color: var(--border-strong);
    color: var(--text-main);
}

button.secondary:hover {
    background: #22304a;
    border-color: var(--accent);
}

button.tertiary {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-soft);
    box-shadow: none;
}

button.tertiary:hover {
    color: var(--text-main);
    border-color: var(--accent);
    background: rgba(91, 140, 255, 0.08);
}

.copy-btn {
    margin-top: 10px;
    background: var(--accent-2);
}

.copy-btn:hover {
    background: #7566e6;
}

.copy-btn[hidden] {
    display: none;
}

button.danger {
    background: var(--danger-dim);
}

button.danger:hover {
    background: #c53d3d;
}

/* Small button utility — used for save/submit actions that shouldn't
   stretch full-width (modal footers, page-level form actions). */
.btn-sm {
    width: auto;
    flex: 0 0 auto;
    margin-top: 0;
    padding: 8px 16px;
    font-size: 0.84rem;
    min-height: 0;
}

/* Footer row for modal forms — primary action(s) right-aligned. */
.modal-form-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

/* Action row for page-level (non-modal) forms — primary action left-aligned. */
.page-form-actions {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.column h3 {
    margin: 2px 0 12px;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 700;
}

pre#result {
    margin: 0;
    height: 100%;
    min-height: 380px;
    background: #070a12;
    color: var(--success);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
    font-size: 0.8rem;
}

/* ---- Result summary (estimator + dashboard detail modal) ---- */

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

.result-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.result-actions button {
    width: auto !important;
    margin-top: 0 !important;
    flex: 0 0 auto;
}

.result-summary {
    margin-top: 10px;
}

.result-summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 900px) {
    .result-summary-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "kpi kpi"
            "materials pricing";
        align-items: start;
    }
}

.result-kpi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    grid-area: kpi;
}

@media (min-width: 1100px) {
    .result-kpi-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.result-kpi-grid--three {
    grid-template-columns: 1fr;
}

@media (min-width: 900px) {
    .result-kpi-grid--three {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.main-waste-panel {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.main-waste-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
    margin: 8px 0;
}

.main-waste-table td {
    padding: 7px 8px;
    border-bottom: 1px solid var(--border-soft);
}

.main-waste-table td:first-child {
    color: var(--text-soft);
    font-weight: 600;
    width: 58%;
}

.result-kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px;
}

.result-kpi-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    margin-top: 8px;
}

.result-kpi-unit {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.82rem;
    margin-top: 6px;
}

.result-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.result-summary-grid > .result-section:first-of-type {
    grid-area: materials;
}

.result-summary-grid > .result-section.result-pricing {
    grid-area: pricing;
}

.result-section-title {
    font-weight: 700;
    font-size: 0.98rem;
    color: #ffffff;
    margin-bottom: 12px;
}

.result-material-table,
.result-breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
}

.result-material-table th,
.result-material-table td,
.result-breakdown-table td,
.result-breakdown-table th {
    border: 1px solid var(--border);
    padding: 8px 10px;
    text-align: left;
    vertical-align: top;
}

.result-material-table th,
.result-breakdown-table th {
    background: var(--surface-2);
    color: var(--text-soft);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.result-table-item {
    font-weight: 600;
    color: var(--text-main);
}

.result-table-qty {
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
}

.result-table-unit {
    color: var(--text-soft);
    font-weight: 500;
    white-space: nowrap;
}

.result-row-extra {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 6px;
}

.result-pricing-total {
    margin-bottom: 10px;
}

.result-pricing-total-val {
    font-size: 1.55rem;
    font-weight: 800;
    color: #ffffff;
    margin-top: 6px;
}

.result-pricing-subhint {
    color: var(--text-soft);
    font-size: 0.87rem;
    margin-top: 8px;
}

.result-breakdown-table .result-money-td {
    font-weight: 700;
    white-space: nowrap;
}

.json-panel #result {
    min-height: 260px;
    height: auto;
    max-height: 420px;
}

.json-panel-title {
    margin-bottom: 6px;
}

.json-pre {
    margin: 0;
    background: #070a12;
    color: var(--success);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
    font-size: 0.8rem;
    min-height: 260px;
    max-height: 420px;
}

.mfr-detail-actions,
.product-row-actions {
    text-align: right;
    white-space: nowrap;
}

/* ---- Result modal (estimator + dashboard) ---- */

.result-modal-box {
    width: 90vw;
    max-width: none;
    height: 98vh;
    max-height: 98vh;
    display: flex;
    flex-direction: column;
    padding: 18px;
}

.result-modal-header {
    margin-bottom: 10px;
}

.result-modal-content {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    padding-right: 2px;
}

.result-modal-footer {
    position: sticky;
    bottom: 0;
    z-index: 2;
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(15, 20, 32, 0.6), rgba(15, 20, 32, 0.96));
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.result-modal-footer button {
    width: 100%;
    margin-top: 0;
}

@media (max-width: 1100px) {
    .result-modal-footer {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .result-modal-box {
        width: 96vw;
        height: 96vh;
        max-height: 96vh;
        padding: 14px;
    }
    .result-modal-footer {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ---- Guide page ---- */

.guide-content {
    position: relative;
    z-index: 1;
    color: var(--text-main);
    line-height: 1.7;
}

.guide-content h1 {
    font-size: 1.6rem;
    color: #fff;
    font-weight: 700;
    margin-top: 0;
}

.guide-content h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 1.9rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.guide-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-soft);
    margin-top: 1.3rem;
}

.guide-content p,
.guide-content li {
    font-size: 0.93rem;
    color: var(--text-soft);
}

.guide-content ul,
.guide-content ol {
    padding-left: 1.4rem;
}

.guide-content code,
.guide-content pre {
    font-family: "SF Mono", Consolas, "Courier New", monospace;
    font-size: 0.83rem;
}

.guide-content code {
    background: var(--surface-2);
    padding: 2px 6px;
    border-radius: 6px;
    color: #7ee8c1;
}

.guide-content pre {
    background: #070a12;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px;
    overflow-x: auto;
    color: #a5f3d0;
    line-height: 1.5;
}

.guide-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    margin: 14px 0;
}

.guide-content th,
.guide-content td {
    border: 1px solid var(--border);
    padding: 9px 10px;
    text-align: left;
}

.guide-content th {
    background: var(--surface-2);
    color: var(--text-soft);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.guide-content td {
    color: var(--text-soft);
}

.guide-content .callout {
    border-left: 3px solid var(--accent);
    padding: 14px 16px;
    margin: 18px 0;
    background: rgba(91, 140, 255, 0.06);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    color: var(--text-main);
}

@media (max-width: 1000px) {
    .layout,
    .layout.estimator-layout {
        grid-template-columns: 1fr;
    }

    pre#result {
        min-height: 260px;
    }
}

/* ---- Dashboard tabs (underline style) ---- */

.dash-tabs {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 4px;
    margin: 22px 0 0;
    padding: 0;
    position: relative;
    z-index: 1;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    border-bottom: 1px solid var(--border);
}

.dash-tabs button.dash-tab-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: auto;
    min-width: 0;
    max-width: none;
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 11px 16px;
    border-radius: 0;
    border: none;
    border-bottom: 2px solid transparent;
    margin-top: 0;
    margin-bottom: -1px;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.87rem;
    letter-spacing: 0.1px;
    cursor: pointer;
    box-shadow: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.dash-tabs button.dash-tab-btn:hover {
    color: var(--text-main);
    transform: none;
    box-shadow: none;
}

.dash-tabs button.dash-tab-btn.active {
    color: #ffffff;
    border-bottom-color: var(--accent);
}

.dash-tabs button.dash-tab-btn:active {
    transform: none;
}

.dash-tab-panel {
    display: none;
    position: relative;
    z-index: 1;
    padding-top: 20px;
}

.dash-tab-panel.active {
    display: block;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
    width: 100%;
}

@media (max-width: 980px) {
    .stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 16px;
}

.stat-card .hint {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--text-muted);
}

.stat-card .val {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 6px;
}

.stats-latest-title {
    margin: 22px 0 8px;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 700;
}

.stats-latest-table {
    margin-top: 8px;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: stretch;
    margin-top: 10px;
}

.profile-card {
    min-width: 0;
}

.profile-password-heading {
    margin: 0 0 12px;
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 700;
}

.profile-password-form > label:first-of-type {
    margin-top: 0;
}

/* Filters + search card — kept visually separate from the results table. */
.filters-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px 16px;
    margin-top: 12px;
}

.history-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-top: 0;
}

.history-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
}

.toolbar-actions-group {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 10px;
}

/* ---- Filter dropdown (Manufacturers / Products toolbars) ---- */

.filter-dropdown-wrap {
    position: relative;
    display: inline-flex;
}

.filter-toggle-btn {
    box-sizing: border-box;
    flex: 0 0 auto;
    width: auto;
    min-width: 0;
    min-height: 40px;
    margin-top: 0;
    padding: 9px 16px;
    font-size: 0.84rem;
    font-weight: 600;
}

.filter-toggle-btn[aria-expanded="true"] {
    color: var(--text-main);
    border-color: var(--accent);
    background: rgba(91, 140, 255, 0.1);
}

.filter-dropdown-panel {
    display: none;
    flex-direction: column;
    gap: 14px;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 30;
    width: min(460px, 90vw);
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    padding: 16px;
}

.filter-dropdown-panel.open {
    display: flex;
}

.filter-dropdown-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 14px;
}

.filter-dropdown-fields .history-filter-field {
    align-items: stretch;
}

.filter-dropdown-footer {
    display: flex;
    justify-content: flex-end;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.active-filter-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.active-filter-badges[hidden] {
    display: none !important;
}

.filter-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 100%;
    padding: 5px 8px 5px 10px;
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    background: rgba(91, 140, 255, 0.1);
    color: var(--text-main);
    font-size: 0.78rem;
    font-weight: 550;
    line-height: 1.2;
}

.filter-badge-label {
    color: var(--text-muted);
    font-weight: 500;
}

.filter-badge-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.filter-badge-remove {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 22px !important;
    min-width: 22px;
    height: 22px;
    min-height: 0;
    margin: 0 !important;
    padding: 0 !important;
    gap: 0;
    border: none !important;
    border-radius: 6px;
    background: transparent !important;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0;
    cursor: pointer;
    box-shadow: none !important;
    transform: none !important;
}

.filter-badge-remove:hover,
.filter-badge-remove:active {
    background: rgba(148, 163, 184, 0.18) !important;
    color: var(--text-main);
    box-shadow: none !important;
    transform: none !important;
}

.filter-badge-remove:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

@media (max-width: 640px) {
    .filter-dropdown-panel {
        left: 0;
        right: 0;
        width: auto;
    }
    .filter-dropdown-fields {
        grid-template-columns: 1fr;
    }
}

.history-filter-field label {
    display: block;
    margin-top: 0;
    margin-bottom: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
}

.history-filter-field input.history-date-input[type="date"] {
    box-sizing: border-box;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.86rem;
    line-height: 1.25;
    color-scheme: dark;
}

.history-filter-field input.history-date-input[type="date"]::placeholder {
    color: var(--text-main);
    opacity: 1;
}

.history-filter-field input.history-date-input[type="date"]::-webkit-datetime-edit,
.history-filter-field input.history-date-input[type="date"]::-webkit-datetime-edit-fields-wrapper,
.history-filter-field input.history-date-input[type="date"]::-webkit-datetime-edit-text,
.history-filter-field input.history-date-input[type="date"]::-webkit-datetime-edit-month-field,
.history-filter-field input.history-date-input[type="date"]::-webkit-datetime-edit-day-field,
.history-filter-field input.history-date-input[type="date"]::-webkit-datetime-edit-year-field {
    color: var(--text-main);
}

.history-filter-field input.history-date-input[type="date"]::-webkit-calendar-picker-indicator,
input.history-date-input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 1;
    width: 1.125rem;
    height: 1.125rem;
    padding: 2px;
    margin: 0 0 0 0.25rem;
    filter: brightness(0) invert(1);
}

.history-filter-field input.history-date-input[type="date"]::-webkit-calendar-picker-indicator:hover,
input.history-date-input[type="date"]::-webkit-calendar-picker-indicator:hover {
    filter: brightness(0) invert(1) opacity(0.88);
}

.history-filter-field input.history-date-input[type="date"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--shadow-focus);
}

.btn-history-refresh,
.history-filter-apply {
    box-sizing: border-box;
    flex: 0 0 auto;
    width: auto;
    min-width: 0;
    min-height: 40px;
    margin-top: 0;
    padding: 9px 16px;
    font-size: 0.84rem;
    font-weight: 600;
    line-height: 1.25;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr;
    }

    .history-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .history-filters {
        width: 100%;
    }

    .btn-history-refresh {
        align-self: flex-end;
    }
}

/* Dashboard — Settings tab */
.settings-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#panel-settings .settings-form-card.column {
    width: 100%;
    max-width: none;
    align-self: stretch;
}

.settings-geometry-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 16px;
    align-items: start;
}

.settings-geometry-grid .settings-field label {
    margin-top: 0;
}

@media (max-width: 1023px) {
    .settings-geometry-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

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

.settings-fields-grid {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    align-items: stretch;
}

.settings-field-full {
    width: 100%;
}

.settings-fields-grid > .settings-field-full:first-child label {
    margin-top: 0;
}

.settings-price-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 16px;
    align-items: start;
}

.settings-price-grid .settings-field label {
    margin-top: 0;
}

.settings-form-actions {
    margin-top: 4px;
}

.settings-form-actions .buttons {
    margin-top: 12px;
}

@media (max-width: 1023px) {
    .settings-price-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

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

.modal-detail-header.page-header {
    align-items: center;
}

.modal-detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.history-th-copy,
.history-td-copy {
    width: 1%;
    white-space: nowrap;
    text-align: center;
    vertical-align: middle;
}

.history-row-copy.tertiary {
    flex: 0 0 auto;
    margin-top: 0;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    min-height: 32px;
}

.table-wrap {
    width: 100%;
    margin-top: 14px;
    border-radius: var(--r-md);
    overflow: hidden;
    border: 1px solid var(--border);
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
    margin-top: 0;
}

.table-wrap .history-table th:first-child,
.table-wrap .history-table td:first-child {
    border-left: none;
}

.table-wrap .history-table th:last-child,
.table-wrap .history-table td:last-child {
    border-right: none;
}

.table-wrap .history-table tr:first-child th {
    border-top: none;
}

.table-wrap .history-table tr:last-child td {
    border-bottom: none;
}

.history-table th,
.history-table td {
    border: 1px solid var(--border);
    padding: 9px 10px;
    text-align: left;
}

.history-table th {
    background: var(--surface-2);
    color: var(--text-soft);
    font-weight: 600;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.history-table tr:nth-child(even) td {
    background: rgba(148, 163, 184, 0.03);
}

.history-table tbody tr {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.history-table tbody tr:hover td {
    background: rgba(91, 140, 255, 0.1);
}

/* ---- Pagination ---- */

.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.pagination-summary {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.pagination-btn {
    width: auto;
    flex: 0 0 auto;
    margin-top: 0;
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-soft);
    background: transparent;
    border: 1px solid var(--border-strong);
    box-shadow: none;
}

.pagination-btn:hover:not(:disabled) {
    color: var(--text-main);
    border-color: var(--accent);
    background: rgba(91, 140, 255, 0.08);
    transform: none;
}

.pagination-btn.active {
    color: #ffffff;
    background: rgba(91, 140, 255, 0.18);
    border-color: var(--accent);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-ellipsis {
    color: var(--text-muted);
    padding: 0 4px;
    font-size: 0.82rem;
}

@media (max-width: 640px) {
    .pagination {
        flex-direction: column;
        align-items: stretch;
    }
    .pagination-controls {
        justify-content: center;
    }
}

.mfr-group-table th {
    font-size: 0.76rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.mfr-group-row > td {
    vertical-align: top;
    padding-top: 14px;
    padding-bottom: 14px;
}

.mfr-group-row > td:nth-child(2) {
    width: 100%;
    max-width: 0;
}

.mfr-group-row {
    cursor: default !important;
}

.mfr-group-row:hover td {
    background: transparent !important;
}

.mfr-product-row {
    cursor: pointer;
}

.mfr-group-actions-inline {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
    white-space: nowrap;
}

.mfr-actions-small,
.action-btn-sm {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 4px 10px !important;
    min-height: 28px !important;
    font-size: 0.76rem !important;
}

.mfr-group-table th:last-child,
.mfr-group-table td:last-child {
    width: auto;
    white-space: normal;
    text-align: left;
}

.mfr-cell-strong {
    font-weight: 700;
    color: #ffffff;
}

.mfr-detail-table {
    border-radius: var(--r-sm);
    overflow: hidden;
    border: 1px solid var(--border-strong);
}

.mfr-detail-table th {
    background: var(--surface-2);
    font-size: 0.76rem;
}

.mfr-detail-table td {
    font-size: 0.83rem;
    border-color: var(--border);
}

.mfr-detail-table tbody tr:hover td {
    background: rgba(91, 140, 255, 0.12);
}

.mfr-product-active {
    text-align: center;
    font-weight: 600;
}

.mfr-category-tabs-wrap {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    margin-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.mfr-category-tabs {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 6px;
    width: max-content;
    min-width: 100%;
}

.mfr-category-tab {
    appearance: none;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text-muted);
    border-radius: var(--r-sm);
    padding: 6px 12px;
    min-width: 140px;
    flex: 0 0 140px;
    min-height: 32px;
    font-size: 0.75rem;
    line-height: 1.2;
    white-space: nowrap;
    text-align: center;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.mfr-category-tab:hover {
    color: var(--text-main);
    border-color: var(--accent);
}

.mfr-category-tab.active {
    background: rgba(91, 140, 255, 0.16);
    border-color: var(--accent);
    color: #ffffff;
}

.history-filter-search input[type="search"] {
    min-width: 320px;
    width: min(420px, 100%);
}

.products-table th:last-child,
.products-table td:last-child {
    width: 1%;
    white-space: nowrap;
    text-align: right;
    vertical-align: middle;
}

/* ---- Modals ---- */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(4, 7, 14, 0.72);
    backdrop-filter: blur(3px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

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

.modal-box {
    background: var(--bg-mid);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-lg);
    max-width: 900px;
    width: 100%;
    max-height: 85vh;
    overflow: auto;
    padding: 22px;
    box-shadow: var(--shadow-lg);
}

.mfr-modal-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 14px;
}

#mfrProductFields {
    display: contents;
}

.mfr-modal-grid .settings-field-full {
    grid-column: 1 / -1;
}

@media (max-width: 980px) {
    .mfr-modal-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .mfr-modal-grid {
        grid-template-columns: 1fr;
    }
}

.modal-box pre {
    margin: 0;
    font-size: 0.78rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.modal-box button.nav-link {
    width: auto;
    max-width: max-content;
    margin-top: 0;
    padding: 8px 14px;
    font-size: 0.85rem;
    box-shadow: none;
    color: var(--text-soft);
    border: 1px solid var(--border-strong);
}

.modal-box button.nav-link:hover {
    color: var(--text-main);
    border-color: var(--accent);
}

/* ---- Toasts ---- */

.toast {
    position: relative;
    border-radius: var(--r-md);
    padding: 12px 14px 12px 40px;
    margin-top: 10px;
    border: 1px solid var(--border-strong);
    background: #131a29;
    box-shadow: var(--shadow-lg);
    max-width: 360px;
    overflow: hidden;
}

.toast-container {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    pointer-events: none;
}

.toast-success {
    border-left: 3px solid var(--success);
}

.toast-success .toast-icon {
    color: var(--success);
}

.toast-error {
    border-left: 3px solid var(--danger);
}

.toast-error .toast-icon {
    color: var(--danger);
}

.toast-title {
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-main);
}

.toast-body {
    font-size: 0.88rem;
    line-height: 1.4;
    color: var(--text-soft);
}

.toast-icon {
    position: absolute;
    left: 14px;
    top: 14px;
}

.toast-exit {
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 250ms ease, transform 250ms ease;
}

/* Accessibility utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    white-space: nowrap;
}

.nav-link .fa,
button.nav-link .fa {
    margin-right: 0;
}

/* Product import modal */
.product-import-modal {
    max-width: 720px;
    display: flex;
    flex-direction: column;
    max-height: min(85vh, 820px);
    overflow: hidden;
}

.product-import-format-head {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    flex: 0 0 auto;
}

.product-import-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 140px;
    flex: 0 0 auto;
    padding: 28px 20px;
    border: 1.5px dashed rgba(120, 170, 255, 0.45);
    border-radius: 14px;
    background:
        linear-gradient(180deg, rgba(30, 48, 86, 0.55), rgba(16, 28, 52, 0.7));
    cursor: pointer;
    text-align: center;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.product-import-dropzone:hover,
.product-import-dropzone:focus-visible {
    border-color: rgba(120, 170, 255, 0.85);
    box-shadow: 0 0 0 3px rgba(57, 164, 255, 0.12);
    outline: none;
}

.product-import-dropzone.is-dragover {
    border-color: rgba(96, 210, 255, 0.95);
    background: linear-gradient(180deg, rgba(36, 70, 120, 0.7), rgba(20, 40, 72, 0.82));
}

.product-import-dropzone-icon {
    font-size: 1.75rem;
    color: #7eb6ff;
    margin-bottom: 4px;
}

.product-import-dropzone-title {
    font-weight: 700;
    color: #fff;
    font-size: 1rem;
}

.product-import-file-list {
    list-style: none;
    margin: 14px 0 0;
    padding: 4px 2px 4px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1 1 auto;
    min-height: 0;
    max-height: min(36vh, 320px);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(120, 170, 255, 0.45) transparent;
}

.product-import-file-list::-webkit-scrollbar {
    width: 8px;
}

.product-import-file-list::-webkit-scrollbar-thumb {
    background: rgba(120, 170, 255, 0.4);
    border-radius: 999px;
}

.product-import-file-card {
    margin: 0;
    padding: 0;
    border-radius: 12px;
    border: 1px solid rgba(120, 170, 255, 0.22);
    background: rgba(18, 28, 52, 0.55);
    overflow: hidden;
    flex: 0 0 auto;
}

.product-import-file-card.is-valid {
    border-color: rgba(52, 211, 153, 0.35);
}

.product-import-file-card.is-invalid {
    border-color: rgba(248, 113, 113, 0.45);
    background: rgba(60, 24, 32, 0.45);
}

.product-import-file-card.is-validating {
    border-color: rgba(96, 165, 250, 0.55);
    background:
        linear-gradient(120deg, rgba(30, 58, 110, 0.55), rgba(18, 28, 52, 0.72));
    box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.12);
}

.product-import-file-main {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 12px 12px 14px;
}

.product-import-file-main--loading {
    align-items: center;
}

.product-import-file-icon {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(57, 164, 255, 0.12);
    color: #8ec5ff;
    font-size: 0.95rem;
    margin-top: 1px;
}

.product-import-loader {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-import-loader-ring {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2.5px solid rgba(147, 197, 253, 0.25);
    border-top-color: #60a5fa;
    border-right-color: #93c5fd;
    animation: product-import-spin 0.75s linear infinite;
}

.product-import-loader-bar {
    margin-top: 10px;
    height: 3px;
    border-radius: 999px;
    background: rgba(96, 165, 250, 0.15);
    overflow: hidden;
}

.product-import-loader-bar > span {
    display: block;
    width: 42%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #3b82f6, #93c5fd, #3b82f6);
    background-size: 200% 100%;
    animation: product-import-shimmer 1.1s ease-in-out infinite;
}

@keyframes product-import-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes product-import-shimmer {
    0% {
        transform: translateX(-120%);
    }
    100% {
        transform: translateX(280%);
    }
}

.product-import-file-card.is-invalid .product-import-file-icon {
    background: rgba(248, 113, 113, 0.12);
    color: #fca5a5;
}

.product-import-file-meta {
    flex: 1 1 auto;
    min-width: 0;
}

.product-import-file-name {
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-import-file-sub {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.product-import-file-size {
    color: var(--text-soft, #b8c4e0);
}

.product-import-file-status {
    opacity: 0.9;
}

.product-import-file-card.is-validating .product-import-file-status {
    color: #93c5fd;
}

.product-import-file-card.is-valid .product-import-file-status {
    color: #6ee7b7;
}

.product-import-file-card.is-invalid .product-import-file-status {
    color: #fca5a5;
}

.product-import-file-error {
    margin-top: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.25);
    color: #fecaca;
    font-size: 0.78rem;
    line-height: 1.4;
}

.product-import-file-remove {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    min-height: 28px;
    margin: 0 !important;
    padding: 0 !important;
    border: 1px solid rgba(148, 163, 184, 0.28) !important;
    border-radius: 8px !important;
    background: rgba(15, 23, 42, 0.45) !important;
    color: var(--text-muted) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: none !important;
    transform: none !important;
}

.product-import-file-remove:hover {
    color: #fff !important;
    border-color: rgba(248, 113, 113, 0.55) !important;
    background: rgba(248, 113, 113, 0.15) !important;
}

.product-import-footer {
    margin-top: 16px;
    flex: 0 0 auto;
}

#btnRunProductImport:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

#btnRunProductImport.is-loading {
    opacity: 0.85;
    pointer-events: none;
}

@keyframes blink {
    50% { opacity: 0.5; }
}