:root {
    --color-brand: #f47b20;
    --color-brand-dark: #d85e0c;
    --color-ink: #172033;
    --color-muted: #687386;
    --color-surface: #ffffff;
    --color-background: #f5f6f8;
    --color-border: #e2e6eb;
    --color-success: #147d64;
    --color-danger: #c74343;

    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 26px;

    --shadow-card:
        0 14px 34px rgba(23, 32, 51, 0.08);

    --page-width: 760px;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
    background: var(--color-background);
}

body {
    margin: 0;
    min-height: 100vh;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--color-ink);
    background: var(--color-background);
}

button,
input {
    font: inherit;
}

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

button {
    cursor: pointer;
}

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

.app-shell {
    width: min(100%, var(--page-width));
    min-height: 100vh;
    margin: 0 auto;
    background: var(--color-surface);
    border-inline: 1px solid var(--color-border);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding:
        calc(14px + env(safe-area-inset-top))
        20px
        14px;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(14px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 14px;
    color: white;
    font-size: 21px;
    font-weight: 800;
    background: var(--color-brand);
}

.brand-copy {
    display: grid;
    gap: 1px;
}

.brand-copy strong {
    font-size: 18px;
}

.brand-copy small {
    color: var(--color-muted);
    font-size: 11px;
}

.icon-button {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-surface);
}

.page-content {
    padding-bottom: 102px;
}

.hero {
    padding: 24px 20px 8px;
    background:
        radial-gradient(
            circle at top right,
            rgba(244, 123, 32, 0.16),
            transparent 42%
        );
}

.location-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 6px 8px 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: white;
}

.location-pill button {
    padding: 6px 9px;
    border: 0;
    border-radius: 999px;
    color: var(--color-brand-dark);
    background: rgba(244, 123, 32, 0.1);
    font-weight: 700;
}

.hero-copy {
    margin: 28px 0 22px;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--color-brand-dark);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 580px;
    margin: 0;
    font-size: clamp(34px, 8vw, 56px);
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.hero-copy > p:last-child {
    max-width: 530px;
    margin: 17px 0 0;
    color: var(--color-muted);
    font-size: 17px;
    line-height: 1.55;
}

.search-card {
    display: grid;
    gap: 10px;
    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: white;
    box-shadow: var(--shadow-card);
}

.search-card label {
    font-weight: 750;
}

.search-field {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.search-field input {
    width: 100%;
    min-width: 0;
    min-height: 52px;
    padding: 0 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
}

.search-field input:focus {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 4px rgba(244, 123, 32, 0.13);
}

.search-field button {
    min-height: 52px;
    padding: 0 20px;
    border: 0;
    border-radius: var(--radius-md);
    color: white;
    background: var(--color-brand);
    font-weight: 800;
}

.search-field button:disabled {
    opacity: 0.58;
    cursor: wait;
}

.field-help {
    margin: 0;
    color: var(--color-muted);
    font-size: 13px;
}

.section {
    padding: 30px 20px 8px;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.section-heading h2 {
    margin: 0;
    font-size: 23px;
}

.section-heading a {
    color: var(--color-brand-dark);
    font-size: 14px;
    font-weight: 750;
}

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

.category-card {
    display: grid;
    min-height: 110px;
    place-items: center;
    gap: 9px;
    padding: 14px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    background: white;
    font-weight: 700;
}

.category-card:active {
    transform: scale(0.98);
}

.category-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 15px;
    color: var(--color-brand-dark);
    background: rgba(244, 123, 32, 0.1);
    font-size: 21px;
}

.resolution-panel {
    margin: 22px 20px 0;
    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: white;
    box-shadow: var(--shadow-card);
}

.resolution-panel h2 {
    margin: 0 0 8px;
}

.resolution-panel p {
    color: var(--color-muted);
    line-height: 1.5;
}

.plan-list {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.plan-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    background: var(--color-background);
}

.plan-step-index {
    display: grid;
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    place-items: center;
    border-radius: 50%;
    color: white;
    background: var(--color-brand);
    font-size: 13px;
    font-weight: 800;
}

.bottom-navigation {
    position: fixed;
    z-index: 30;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    width: min(100%, var(--page-width));
    margin: 0 auto;
    padding:
        9px
        8px
        calc(9px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
}

.nav-item {
    display: grid;
    place-items: center;
    gap: 4px;
    min-height: 52px;
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 650;
}

.nav-item > span:first-child {
    font-size: 21px;
}

.nav-item.is-active {
    color: var(--color-brand-dark);
}

.nav-item-primary > span:first-child {
    display: grid;
    width: 42px;
    height: 42px;
    margin-top: -22px;
    place-items: center;
    border-radius: 50%;
    color: white;
    background: var(--color-brand);
    box-shadow: 0 8px 18px rgba(244, 123, 32, 0.35);
}

.offline-banner {
    position: fixed;
    z-index: 100;
    right: 14px;
    bottom: 90px;
    left: 14px;
    max-width: 520px;
    margin: auto;
    padding: 12px 16px;
    border-radius: 14px;
    color: white;
    background: var(--color-ink);
    text-align: center;
    font-size: 14px;
}

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

@media (max-width: 560px) {
    .search-field {
        grid-template-columns: 1fr;
    }

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}

.resolution-loading {
    display: flex;
    align-items: center;
    gap: 14px;
}

.resolution-loading p {
    margin: 4px 0 0;
}

.loading-spinner {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border: 4px solid rgba(244, 123, 32, 0.18);
    border-top-color: var(--color-brand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.resolution-header h2 {
    margin: 0 0 8px;
    font-size: 26px;
}

.resolution-header p:last-child {
    margin-bottom: 0;
}

.result-actions {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.primary-button,
.secondary-button,
.choice-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border-radius: var(--radius-md);
    font-weight: 800;
}

.primary-button {
    border: 0;
    color: white;
    background: var(--color-brand);
}

.secondary-button {
    border: 1px solid var(--color-brand);
    color: var(--color-brand-dark);
    background: white;
}

.question-card {
    margin-top: 18px;
    padding: 16px;
    border-radius: var(--radius-md);
    background: rgba(244, 123, 32, 0.09);
}

.question-card p {
    margin: 0;
    color: var(--color-ink);
    font-weight: 750;
}

.choice-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 14px;
}

.choice-button {
    border: 1px solid var(--color-border);
    color: var(--color-ink);
    background: white;
}

.solution-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.solution-heading h3 {
    margin: 0;
    font-size: 20px;
}

.plan-step div {
    display: grid;
    gap: 3px;
}

.plan-step small {
    color: var(--color-muted);
    text-transform: capitalize;
}

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

.results-page {
    padding: 22px 20px 40px;
}

.results-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.results-header h1 {
    margin: 0;
    font-size: 31px;
    letter-spacing: -0.035em;
}

.results-header p:last-child {
    margin: 7px 0 0;
    color: var(--color-muted);
}

.back-link {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: white;
    font-size: 22px;
}

.result-summary {
    margin-top: 24px;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(244, 123, 32, 0.07);
}

.result-summary p {
    margin: 5px 0 0;
    color: var(--color-muted);
    line-height: 1.5;
}

.result-list {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

.result-card {
    display: grid;
    grid-template-columns: 96px 1fr;
    min-height: 116px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: white;
}

.result-card-media {
    background:
        linear-gradient(
            110deg,
            #eceff3 8%,
            #f7f8fa 18%,
            #eceff3 33%
        );
    background-size: 200% 100%;
    animation: skeleton 1.2s linear infinite;
}

.result-card-body {
    display: grid;
    align-content: center;
    gap: 10px;
    padding: 16px;
}

.skeleton-line {
    display: block;
    width: 100%;
    height: 12px;
    border-radius: 999px;
    background:
        linear-gradient(
            110deg,
            #eceff3 8%,
            #f7f8fa 18%,
            #eceff3 33%
        );
    background-size: 200% 100%;
    animation: skeleton 1.2s linear infinite;
}

.skeleton-line-short {
    width: 42%;
}

.skeleton-line-medium {
    width: 68%;
}

.empty-state {
    display: grid;
    justify-items: center;
    margin-top: 28px;
    padding: 28px 20px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.empty-state-icon {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border-radius: 18px;
    color: var(--color-brand-dark);
    background: rgba(244, 123, 32, 0.1);
    font-size: 25px;
}

.empty-state h2 {
    margin: 16px 0 8px;
}

.empty-state p {
    max-width: 430px;
    margin: 0 0 18px;
    color: var(--color-muted);
    line-height: 1.55;
}

@keyframes skeleton {
    to {
        background-position-x: -200%;
    }
}