:root {
    --color-page: #f5f7f9;
    --color-surface: #ffffff;
    --color-surface-muted: #edf2f5;
    --color-border: #dfe7ed;
    --color-border-strong: #bfccd7;
    --color-text: #16202a;
    --color-muted: #667684;
    --color-heading-muted: #516272;
    --color-primary: #1f6f4a;
    --color-link: #245f8f;
    --color-secondary: #324252;
    --color-danger: #9a2d2d;
    --color-warning-border: #e1c76d;
    --color-warning-bg: #fff3c4;
    --color-warning-text: #72560d;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 32px;
    --radius: 8px;
    --shadow: 0 8px 22px rgba(21, 33, 46, 0.05);
    --shadow-raised: 0 12px 30px rgba(21, 33, 46, 0.08);
    --header-height: 64px;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-page);
    color: var(--color-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.45;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    font-size: clamp(1.625rem, 1.35rem + 0.9vw, 2.25rem);
    line-height: 1.15;
    margin-bottom: var(--space-3);
}

h2 {
    font-size: 1.25rem;
    line-height: 1.25;
}

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
    border: 0;
    border-radius: 6px;
    padding: 10px 14px;
    background: var(--color-primary);
    color: #ffffff;
    font: inherit;
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    text-align: center;
}

.button:hover {
    color: #ffffff;
    text-decoration: none;
}

button.secondary,
.button.secondary {
    background: var(--color-secondary);
}

.button.ghost,
button.ghost {
    color: #263646;
    background: #eef3f6;
}

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

.button.small,
button.small {
    min-height: 36px;
    padding: 7px 10px;
    font-size: 0.9rem;
}

button:focus-visible,
.button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(36, 95, 143, 0.35);
    outline-offset: 2px;
}

label {
    display: grid;
    gap: 6px;
    min-width: 0;
    font-weight: 650;
}

input,
select {
    width: 100%;
    min-height: 44px;
    min-width: 0;
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    padding: 11px 12px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
}

select {
    text-overflow: ellipsis;
}

.auth-shell,
.dashboard-shell {
    width: min(100% - 32px, 960px);
    margin: 0 auto;
    padding: 56px 0;
}

.auth-panel,
.summary {
    max-width: 440px;
    background: var(--color-surface);
    border: 1px solid #dde4ea;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-raised);
}

.auth-panel .language-switcher {
    margin-bottom: var(--space-4);
}

.form-stack {
    display: grid;
    gap: 10px;
}

.alert {
    border-radius: 6px;
    padding: 10px 12px;
}

.field-error {
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: var(--space-1);
    display: block;
    border: 1px solid rgba(143, 29, 29, 0.2);
}

.error,
.field-error {
    background: #ffe9e9;
    color: #8f1d1d;
}

.success {
    background: #e7f6ed;
    color: var(--color-primary);
}

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

.eyebrow {
    margin-bottom: var(--space-2);
    font-weight: 700;
}

.help-text {
    display: block;
    color: var(--color-muted);
    font-size: 0.86rem;
    font-weight: 500;
    margin-top: 2px;
}

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

th.numeric {
    text-align: right;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: var(--header-height);
    height: var(--header-height);
    padding: 0 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.brand {
    color: var(--color-text);
    font-size: 1.1rem;
    font-weight: 800;
    margin-right: auto;
    white-space: nowrap;
}

.user-chip {
    display: grid;
    gap: 2px;
    max-width: 240px;
    text-align: right;
}

.user-chip span,
.user-chip small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-chip small {
    color: var(--color-muted);
}

.mobile-menu-button {
    display: none;
    flex: 0 0 auto;
    width: 44px;
    padding: 0;
    background: #eef3f6;
    color: var(--color-text);
}

.mobile-menu-button span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.app-shell {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    min-height: calc(100vh - 64px);
}

.sidebar {
    display: grid;
    align-content: start;
    gap: var(--space-1);
    padding: var(--space-6) 14px;
    background: var(--color-surface-muted);
    border-right: 1px solid var(--color-border);
}

.sidebar a {
    color: #263646;
    border-radius: 6px;
    padding: 10px 12px;
    font-weight: 700;
}

.sidebar a.active,
.sidebar a:hover {
    background: var(--color-surface);
    color: var(--color-primary);
    text-decoration: none;
}

.sidebar-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-3) 0;
}

.sidebar-section-header {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 800;
    color: var(--color-muted);
    padding: 0 12px;
    margin-top: var(--space-2);
    margin-bottom: var(--space-1);
}

.content {
    width: min(100% - 32px, 1180px);
    margin: 0 auto;
    padding: 28px 0 48px;
}

.page-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: var(--space-5);
}

.page-heading h1 {
    margin-bottom: 0;
}

.actions,
.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
}

.actions form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
}

.inline-option {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
}

.inline-option input {
    width: auto;
}

.panel,
.metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.panel + .panel,
.panel + .charts-grid,
.charts-grid + .two-column {
    margin-top: 18px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.metric-card {
    display: grid;
    gap: var(--space-2);
    min-width: 0;
}

.metric-card span,
.detail-grid span {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.metric-card strong {
    min-width: 0;
    overflow-wrap: anywhere;
    font-size: 1.45rem;
    line-height: 1.2;
}

.warning {
    border-color: var(--color-warning-border);
}

.warning-panel {
    margin-bottom: 18px;
    border-color: var(--color-warning-border);
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1.35;
}

.warning-badge {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
}

.warning-text {
    color: #8f1d1d;
    font-weight: 700;
}

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 18px;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

.chart-panel {
    display: grid;
    align-content: start;
    gap: var(--space-3);
    min-height: 320px;
}

.chart-container {
    position: relative;
    width: 100%;
    min-height: 260px;
}

.chart-container canvas {
    width: 100% !important;
    height: 260px !important;
}

.chart-empty {
    display: none;
}

.account-holding-groups {
    display: grid;
    gap: 18px;
}

.holding-group {
    min-width: 0;
    border: 1px solid #edf2f5;
    border-radius: var(--radius);
    padding: 14px;
}

.holding-group-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    justify-content: space-between;
    margin-bottom: 10px;
}

.holding-group-header h2 {
    margin: 0 auto 0 0;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
    font-size: 0.95rem;
}

th,
td {
    padding: 10px 8px;
    border-bottom: 1px solid #edf2f5;
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--color-heading-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
}

td {
    overflow-wrap: anywhere;
}

.filters,
.form-grid {
    display: grid;
    gap: 14px;
}

.filters {
    grid-template-columns: 180px minmax(180px, 1fr) max-content max-content;
    align-items: center;
    margin-bottom: 18px;
}

.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid > .alert,
.form-grid > .field-error,
.form-grid > .actions,
.form-grid > .leg-fieldset {
    grid-column: 1 / -1;
}

.form-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.check input {
    width: auto;
    min-height: auto;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: 18px;
}

.detail-grid div {
    display: grid;
    gap: var(--space-1);
    min-width: 0;
}

.detail-grid strong {
    overflow-wrap: anywhere;
}

.leg-fieldset {
    display: grid;
    gap: 14px;
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px;
}

.empty {
    margin: 0;
    color: var(--color-muted);
}

.help-term {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
}

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

.help-icon {
    width: 24px;
    min-height: 24px;
    height: 24px;
    padding: 0;
    border-radius: 50%;
    background: #dbe8ef;
    color: #263646;
    font-size: 0.78rem;
    line-height: 1;
}

.help-icon:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.help-tooltip {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    z-index: 40;
    display: none;
    width: min(280px, calc(100vw - 32px));
    transform: translateX(-50%);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    padding: 10px 12px;
    background: var(--color-surface);
    box-shadow: 0 12px 30px rgba(21, 33, 46, 0.16);
    color: #263646;
    font-size: 0.88rem;
    font-weight: 500;
    text-transform: none;
    white-space: normal;
}

.help-tooltip strong,
.help-tooltip span,
.help-tooltip em {
    display: block;
}

.help-tooltip strong {
    margin-bottom: 4px;
    color: var(--color-text);
}

.help-tooltip em {
    margin-top: 6px;
    color: var(--color-heading-muted);
    font-style: normal;
}

.help-wrap:hover .help-tooltip,
.help-icon:focus + .help-tooltip,
.help-icon:focus-visible + .help-tooltip {
    display: block;
}

.language-switcher {
    display: inline-flex;
    gap: var(--space-1);
    align-items: center;
}

.language-switcher a {
    min-height: 36px;
    border-radius: 6px;
    padding: 7px 8px;
    color: #263646;
    font-size: 0.9rem;
    font-weight: 800;
}

.language-switcher a.active,
.language-switcher a:hover {
    background: #eef3f6;
    color: var(--color-primary);
    text-decoration: none;
}

/* Responsive visibility utilities */
.show-mobile {
    display: none !important;
}
.hide-mobile {
    /* Display normally on desktop */
}

@media (min-width: 768px) and (max-width: 1199px) {
    .app-shell {
        grid-template-columns: 176px minmax(0, 1fr);
    }

    .sidebar {
        padding-inline: 10px;
    }

    .sidebar a {
        padding-inline: 10px;
        font-size: 0.95rem;
    }

    .content {
        width: min(100% - 28px, 980px);
    }

    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filters {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1200px) {
    .content {
        padding-top: 32px;
    }
}

@media (max-width: 767px) {
    body {
        font-size: 16px;
    }

    body.mobile-nav-open {
        overflow: hidden !important;
    }

    .auth-shell,
    .dashboard-shell {
        width: min(100% - 24px, 440px);
        padding: 28px 0;
    }

    .auth-panel,
    .summary {
        padding: 20px;
    }

    .app-topbar {
        min-height: var(--header-height);
        height: var(--header-height);
        padding: 0 12px;
        gap: 8px;
        flex-wrap: nowrap;
    }

    .mobile-menu-button {
        display: inline-grid;
        place-items: center;
        align-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--color-surface-muted);
        color: var(--color-text);
        border: none;
        cursor: pointer;
        padding: 0;
        transition: background-color 0.2s;
    }
    .mobile-menu-button:hover,
    .mobile-menu-button:active {
        background-color: var(--color-border);
    }

    .brand {
        font-size: 1.05rem;
    }

    .user-chip {
        display: none !important;
    }

    .app-shell {
        display: block;
        min-height: 0;
    }

    .sidebar {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 25;
        background: var(--color-surface);
        padding: var(--space-5) var(--space-4);
        grid-template-columns: 1fr;
        grid-auto-rows: max-content;
        gap: 2px;
        overflow-y: auto;
        border-right: none;
        border-bottom: none;
        box-shadow: none;
        animation: fadeInMobileNav 0.2s ease-out;
    }

    .sidebar.is-open {
        display: grid;
    }

    .sidebar a {
        min-height: 48px;
        display: flex;
        align-items: center;
        padding: 12px var(--space-4);
        font-size: 1.05rem;
        border-left: 4px solid transparent;
        border-radius: 0;
        background: transparent;
        transition: all 0.2s ease-in-out;
    }

    .sidebar a.active,
    .sidebar a:hover {
        background: var(--color-surface-muted);
        color: var(--color-primary);
        border-left-color: var(--color-primary);
        text-decoration: none;
    }

    .content {
        width: min(100% - 24px, 100%);
        padding: 22px 0 36px;
    }

    .page-heading,
    .topbar {
        display: grid;
        gap: 12px;
    }

    .actions {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)) !important;
        gap: 8px !important;
        width: 100% !important;
    }

    .actions > *,
    .actions form > *,
    .inline-actions > * {
        flex: unset !important;
        width: 100% !important;
        margin: 0 !important;
    }

    .actions .button,
    .actions button,
    .inline-actions .button,
    .inline-actions button {
        width: 100% !important;
        padding: 10px 8px !important;
        font-size: 0.9rem !important;
        min-height: 40px !important;
    }

    .inline-actions {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }

    .two-column,
    .charts-grid,
    .detail-grid,
    .filters,
    .form-grid,
    .form-grid.compact {
        grid-template-columns: 1fr;
    }

    .metric-card strong {
        font-size: 1.15rem !important;
    }

    .metric-card span {
        font-size: 0.8rem !important;
    }

    .panel,
    .metric-card {
        padding: 12px 14px !important;
    }

    .chart-panel {
        min-height: 280px;
    }

    .chart-container {
        min-height: 230px;
    }

    .chart-container canvas {
        height: 230px !important;
    }

    table {
        min-width: auto !important;
        width: 100% !important;
        table-layout: auto;
        font-size: 0.9rem;
    }

    th,
    td {
        padding: 8px 6px;
    }

    .holding-group {
        padding: 12px;
    }

    .holding-group-header {
        display: grid;
        justify-items: start;
        gap: 4px;
    }

    .help-tooltip {
        left: 0;
        right: auto;
        bottom: calc(100% + 8px);
        top: auto;
        transform: none;
    }

    /* Responsive visibility utilities */
    .hide-mobile {
        display: none !important;
    }
    .show-mobile {
        display: block !important;
    }
    .show-mobile.flex {
        display: flex !important;
    }
    .show-mobile.grid {
        display: grid !important;
    }

    /* Mobile settings & drawer profile elements styling */
    .sidebar-divider {
        height: 1px;
        background: var(--color-border);
        margin: var(--space-4) 0;
    }
    .user-chip-mobile {
        display: grid;
        gap: 4px;
        padding: 0 var(--space-4);
    }
    .user-chip-mobile span {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--color-text);
    }
    .user-chip-mobile small {
        font-size: 0.85rem;
        color: var(--color-muted);
    }
    .lang-label {
        font-size: 0.8rem;
        text-transform: uppercase;
        font-weight: 700;
        color: var(--color-heading-muted);
        padding: 0 var(--space-4);
        margin-bottom: var(--space-2);
    }
    .language-switcher-mobile {
        display: flex;
        gap: var(--space-2);
        padding: 0 var(--space-4);
    }
    .language-switcher-mobile a {
        flex: 1;
        text-align: center;
        border: 1px solid var(--color-border-strong);
        border-radius: 6px;
        padding: 8px 12px !important;
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--color-text);
    }
    .language-switcher-mobile a.active {
        background: var(--color-surface-muted);
        color: var(--color-primary);
        border-color: var(--color-primary);
    }
    .logout-form-mobile {
        padding: 0 var(--space-4);
    }
    .logout-form-mobile button {
        width: 100%;
        min-height: 44px;
        background: transparent;
        color: var(--color-danger);
        border: 1px solid var(--color-danger);
        font-weight: 700;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.2s;
    }
    .logout-form-mobile button:hover,
    .logout-form-mobile button:active {
        background: #ffe9e9;
    }
}

@keyframes fadeInMobileNav {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}