:root {
    color-scheme: light;
    --color-primary: #155eef;
    --color-primary-dark: #004eeb;
    --color-success: #067647;
    --color-warning: #b54708;
    --color-danger: #b42318;
    --color-info: #175cd3;
    --color-text: #182230;
    --color-muted: #667085;
    --color-border: #e4e7ec;
    --color-surface: #ffffff;
    --color-background: #f7f9fc;
    --sidebar-width: 280px;
    --topbar-height: 76px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgb(16 24 40 / 10%);
    --shadow-md: 0 8px 24px rgb(16 24 40 / 12%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--color-background);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
    font-size: 14px;
    line-height: 1.5;
}

button,
input,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

[hidden] {
    display: none !important;
}

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

.app {
    min-height: 100vh;
}

.main {
    min-width: 0;
    margin-left: var(--sidebar-width);
}

.page-content {
    width: min(100%, 1440px);
    min-height: calc(100vh - var(--topbar-height));
    margin: 0 auto;
    padding: 28px;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    display: flex;
    width: var(--sidebar-width);
    flex-direction: column;
    overflow-y: auto;
    color: #e6edf7;
    background: #101828;
    border-right: 1px solid #1d2939;
    transition: transform 180ms ease;
}

.sidebar__header,
.sidebar__footer {
    flex: none;
    padding: 20px;
}

.sidebar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.sidebar__brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-md);
}

.sidebar__nav {
    flex: 1;
    padding: 8px 14px;
}

.sidebar__list,
.sidebar__submenu {
    padding: 0;
    margin: 0;
    list-style: none;
}

.sidebar__item {
    margin: 3px 0;
}

.sidebar__link,
.sidebar__submenu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 10px 12px;
    color: #cbd5e1;
    border-radius: var(--radius-md);
    transition: color 150ms ease, background 150ms ease;
}

.sidebar__link:hover,
.sidebar__submenu-link:hover,
.sidebar__item.is-active > .sidebar__link,
.sidebar__submenu-link.is-active {
    color: #fff;
    background: #1d2939;
}

.sidebar__submenu {
    padding: 4px 0 4px 36px;
}

.sidebar__submenu-link {
    min-height: 38px;
    font-size: 13px;
}

.sidebar__toggle,
.sidebar__submenu-toggle,
.sidebar__close {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    padding: 0;
    margin-left: auto;
    color: #98a2b3;
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.sidebar__submenu-toggle:hover,
.sidebar__close:hover {
    color: #fff;
    background: #344054;
}

.sidebar__profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid #344054;
}

.sidebar__overlay,
.sidebar-overlay {
    display: none;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(260px, 520px) minmax(180px, 1fr);
    align-items: center;
    min-height: var(--topbar-height);
    gap: 20px;
    padding: 12px 28px;
    background: rgb(255 255 255 / 96%);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.topbar__left,
.topbar__right,
.topbar__actions,
.topbar__profile-button,
.topbar__quick-action {
    display: flex;
    align-items: center;
}

.topbar__left,
.topbar__right {
    gap: 14px;
}

.topbar__right {
    justify-content: flex-end;
}

.topbar__title {
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
}

.topbar__subtitle {
    margin: 2px 0 0;
    color: var(--color-muted);
    font-size: 12px;
}

.topbar__menu-toggle,
.topbar__icon-button {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    color: #475467;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.topbar__menu-toggle {
    display: none;
}

.topbar__search {
    position: relative;
    display: flex;
    align-items: center;
}

.topbar__search-icon {
    position: absolute;
    left: 12px;
    display: grid;
    color: #98a2b3;
}

.topbar__search-input {
    width: 100%;
    height: 42px;
    padding: 0 74px 0 42px;
    color: var(--color-text);
    background: #f9fafb;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
}

.topbar__search-input:focus {
    background: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(21 94 239 / 12%);
}

.topbar__search-shortcut {
    position: absolute;
    right: 10px;
    padding: 2px 6px;
    color: #667085;
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: 4px;
    font-size: 11px;
}

.topbar__quick-action {
    min-height: 40px;
    gap: 7px;
    padding: 0 14px;
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.topbar__actions {
    gap: 8px;
}

.topbar__icon-button {
    position: relative;
}

.topbar__notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 18px;
    padding: 1px 5px;
    color: #fff;
    background: var(--color-danger);
    border: 2px solid #fff;
    border-radius: 999px;
    font-size: 10px;
    line-height: 14px;
}

.topbar__profile {
    position: relative;
}

.topbar__profile-button {
    gap: 9px;
    padding: 4px;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.topbar__avatar,
.avatar {
    display: inline-grid;
    width: 38px;
    height: 38px;
    flex: none;
    place-items: center;
    overflow: hidden;
    color: #175cd3;
    background: #eff8ff;
    border-radius: 50%;
    font-weight: 700;
}

.topbar__profile-details {
    display: grid;
    text-align: left;
}

.topbar__profile-details small {
    color: var(--color-muted);
}

.topbar__profile-menu,
.dropdown__menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 60;
    min-width: 220px;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.topbar__profile-menu-header {
    display: grid;
    padding: 10px;
    border-bottom: 1px solid var(--color-border);
}

.topbar__profile-menu nav a,
.topbar__logout-form button {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    padding: 8px 10px;
    color: #344054;
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.topbar__profile-menu nav a:hover,
.topbar__logout-form button:hover {
    background: #f2f4f7;
}

.container {
    width: min(100%, 1200px);
    margin-inline: auto;
}

.grid {
    display: grid;
    gap: 20px;
}

.dashboard__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 24px;
}

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

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

.stat-card__value {
    display: block;
    margin: 16px 0 8px;
    font-size: 32px;
    line-height: 1;
}

.stat-card__link {
    color: var(--color-primary);
    font-weight: 600;
}

.stat-card__meta,
.page-header p,
.card__header p {
    color: var(--color-muted);
}

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

.atlas-search__controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.atlas-search__results {
    margin-top: 24px;
}

.atlas-search__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.panel,
.stat-card,
.profile-card,
.user-card,
.metric,
.media-object,
.comment,
.data-list {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card__header,
.card__body,
.card__footer,
.panel__header,
.panel__content,
.panel__footer,
.stat-card,
.profile-card,
.user-card,
.metric,
.media-object,
.comment,
.data-list {
    padding: 20px;
}

.card__header,
.card__footer,
.panel__header,
.panel__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.card__header,
.panel__header {
    border-bottom: 1px solid var(--color-border);
}

.card__footer,
.panel__footer {
    border-top: 1px solid var(--color-border);
}

.page-header,
.hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.page-header h1,
.hero h1 {
    margin: 0;
}

.breadcrumbs,
.breadcrumbs__list,
.tabs__list,
.navbar__list,
.menu__list,
.list-group {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.breadcrumbs {
    margin-bottom: 16px;
    color: var(--color-muted);
}

.tabs {
    overflow-x: auto;
    border-bottom: 1px solid var(--color-border);
}

.tabs__link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 12px 4px;
    color: var(--color-muted);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.tabs__link.is-active {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.button,
.empty-state__action,
.page-header__action {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 14px;
    color: #344054;
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
}

.button--primary {
    color: #fff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.button:disabled,
.is-disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.badge,
.tabs__badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    color: #344054;
    background: #f2f4f7;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge--primary,
.badge--info {
    color: var(--color-info);
    background: #eff8ff;
}

.badge--success {
    color: var(--color-success);
    background: #ecfdf3;
}

.badge--warning {
    color: var(--color-warning);
    background: #fffaeb;
}

.badge--danger {
    color: var(--color-danger);
    background: #fef3f2;
}

.alert,
.toast {
    padding: 14px 16px;
    background: #f9fafb;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.alert--success,
.toast--success {
    color: var(--color-success);
    background: #ecfdf3;
    border-color: #abefc6;
}

.alert--warning,
.toast--warning {
    color: var(--color-warning);
    background: #fffaeb;
    border-color: #fedf89;
}

.alert--danger,
.toast--error {
    color: var(--color-danger);
    background: #fef3f2;
    border-color: #fecdca;
}

.form-field {
    display: grid;
    gap: 6px;
}

.form-field__label {
    color: #344054;
    font-weight: 600;
}

.input,
.textarea {
    width: 100%;
    padding: 10px 12px;
    color: var(--color-text);
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: var(--radius-md);
    outline: none;
}

.input:focus,
.textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(21 94 239 / 12%);
}

.textarea {
    min-height: 120px;
    resize: vertical;
}

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

.form-field__help {
    color: var(--color-muted);
}

.form-field__error {
    color: var(--color-danger);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    color: #475467;
    background: #f9fafb;
    font-size: 12px;
    text-transform: uppercase;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.pagination a,
.pagination span {
    display: grid;
    min-width: 36px;
    height: 36px;
    place-items: center;
    border-radius: var(--radius-sm);
}

.pagination .is-active {
    color: #fff;
    background: var(--color-primary);
}

.progress {
    display: grid;
    gap: 7px;
}

.progress__track {
    height: 8px;
    overflow: hidden;
    background: #eaecf0;
    border-radius: 999px;
}

.progress__bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: inherit;
}

.divider {
    border: 0;
    border-top: 1px solid var(--color-border);
}

.empty-state {
    padding: 48px 24px;
    text-align: center;
    background: #fff;
    border: 1px dashed #d0d5dd;
    border-radius: var(--radius-lg);
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgb(16 24 40 / 55%);
}

.modal__dialog {
    width: min(100%, 620px);
    max-height: calc(100vh - 40px);
    overflow: auto;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.tooltip {
    position: relative;
    display: inline-flex;
}

.tooltip__bubble {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    z-index: 80;
    padding: 6px 9px;
    color: #fff;
    background: #101828;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    transform: translateX(-50%);
}

.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid #d0d5dd;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 700ms linear infinite;
}

.skeleton {
    display: block;
    background: linear-gradient(90deg, #eaecf0 25%, #f9fafb 50%, #eaecf0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-sm);
    animation: shimmer 1.4s infinite;
}

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

@keyframes shimmer {
    to {
        background-position: -200% 0;
    }
}

@media (max-width: 1100px) {
    .topbar {
        grid-template-columns: 1fr auto;
    }

    .topbar__center {
        display: none;
    }

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

@media (max-width: 860px) {
    .main {
        margin-left: 0;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .sidebar__overlay.is-visible,
    .sidebar-overlay.is-visible {
        position: fixed;
        inset: 0;
        z-index: 35;
        display: block;
        background: rgb(16 24 40 / 50%);
    }

    .topbar__menu-toggle {
        display: grid;
    }

    .page-content,
    .topbar {
        padding-right: 18px;
        padding-left: 18px;
    }

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

@media (max-width: 620px) {
    .topbar__quick-action,
    .topbar__profile-details,
    .topbar__profile-chevron {
        display: none;
    }

    .page-content {
        padding: 18px 14px;
    }

    .page-header,
    .hero {
        flex-direction: column;
    }

    .dashboard__metrics,
    .dashboard__modules,
    .atlas-search__grid,
    .journey-builder__dates,
    .journey-builder__options {
        grid-template-columns: 1fr;
    }

    .atlas-search__controls {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}