:root {
    --font-main: Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    --text-color: hsl(238, 76%, 8%);
    --text-muted: hsl(240, 9%, 45%);
    --text-soft: hsl(240, 2%, 66%);
    --primary-color: hsl(207, 61%, 43%);
    --primary-hover: hsl(207, 91%, 33%);
    --primary-dark: hsl(217, 65%, 27%);
    --primary-extra-dark: hsl(217, 71%, 15%);
    --primary-light: hsl(207, 87%, 96%);
    --primary-soft: hsla(207, 61%, 43%, 0.12);
    --success-color: hsl(158, 53%, 35%);
    --warning-color: hsl(35, 100%, 45%);
    --danger-color: hsl(0, 78%, 47%);
    --border-color: hsl(240, 13%, 91%);
    --surface-color: hsl(0, 0%, 100%);
    --surface-soft: hsl(240, 29%, 97%);
    --shadow-soft: 0 16px 48px hsla(217, 71%, 15%, 0.08);
    --content-width: 1152px;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

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

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    color: var(--text-color);
    background: var(--surface-soft);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0;
}

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

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

button,
input,
select,
textarea {
    font-family: inherit;
    letter-spacing: 0;
}

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

.site-topbar {
    background: var(--primary-extra-dark);
    color: hsl(0, 0%, 100%);
    font-size: 14px;
}

.site-topbar__inner,
.site-header__inner,
.site-nav__inner,
.page-shell,
.site-footer__inner {
    width: min(100% - 32px, var(--content-width));
    margin: 0 auto;
}

.site-topbar__inner {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-topbar__links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.site-topbar a {
    color: hsl(0, 0%, 100%);
}

.site-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

.site-header__inner {
    min-height: 112px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 20px 0;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 0;
}

.site-brand > div {
    min-width: 0;
}

.site-brand__logo {
    width: 76px;
    height: 76px;
    object-fit: contain;
    flex: 0 0 76px;
}

.site-brand__name {
    max-width: 520px;
    margin: 0;
    color: var(--text-color);
    font-size: 22px;
    line-height: 1.2;
    font-weight: 700;
}

.site-brand__caption {
    margin: 6px 0 0;
    color: var(--text-muted);
    font-size: 14px;
}

.site-header__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.site-nav {
    background: var(--primary-color);
}

.site-nav__inner {
    display: flex;
    align-items: center;
    gap: 2px;
    overflow-x: auto;
}

.site-nav a,
.site-nav button {
    min-height: 48px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: hsl(0, 0%, 100%);
    background: transparent;
    border: 0;
    border-radius: 0;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
}

.site-nav a:hover,
.site-nav button:hover,
.site-nav a:focus-visible,
.site-nav button:focus-visible,
.site-nav .is-active {
    color: hsl(0, 0%, 100%);
    background: var(--primary-hover);
    text-decoration: none;
}

.page-shell {
    flex: 1 0 auto;
    padding: 32px 0 48px;
}

.page-heading {
    display: grid;
    gap: 8px;
    margin-bottom: 24px;
}

.page-heading__eyebrow {
    margin: 0;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
}

.page-heading h1 {
    margin: 0;
    color: var(--text-color);
    font-size: 42px;
    line-height: 1.1;
    font-weight: 800;
}

.page-heading p {
    max-width: 760px;
    margin: 0;
    color: var(--text-muted);
    font-size: 17px;
}

.button,
button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    color: var(--primary-color);
    background: var(--surface-color);
    border: 1px solid var(--primary-soft);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.button:hover,
button:hover {
    color: var(--primary-hover);
    background: var(--primary-light);
    text-decoration: none;
}

.site-nav a:hover,
.site-nav button:hover,
.site-nav a:focus-visible,
.site-nav button:focus-visible,
.site-nav .is-active {
    color: hsl(0, 0%, 100%);
    background: var(--primary-hover);
    text-decoration: none;
}

.button--primary,
button.primary,
#submitBtn,
#downloadReport {
    color: hsl(0, 0%, 100%);
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.button--primary:hover,
button.primary:hover,
#submitBtn:hover,
#downloadReport:hover {
    color: hsl(0, 0%, 100%);
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.button--muted,
.reset-button,
.to_button {
    color: var(--primary-color);
    background: var(--primary-light);
    border-color: transparent;
}

button[disabled],
.button[aria-disabled="true"] {
    color: var(--text-soft);
    background: hsl(0, 0%, 94%);
    border-color: hsl(0, 0%, 94%);
    cursor: not-allowed;
}

button.is-loading {
    color: hsl(0, 0%, 100%);
    background: var(--primary-color);
    border-color: var(--primary-color);
}

button.is-loading::before {
    width: 17px;
    height: 17px;
    content: "";
    flex: 0 0 auto;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: hsl(0, 0%, 100%);
    border-radius: 50%;
    animation: button-spinner 0.7s linear infinite;
}

@keyframes button-spinner {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    button.is-loading::before { animation-duration: 1.4s; }
}

.site-footer {
    flex-shrink: 0;
    margin-top: auto;
    color: hsl(0, 0%, 100%);
    background: var(--primary-extra-dark);
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0;
    font-size: 14px;
}

.site-footer p {
    margin: 0;
}

.empty-message {
    margin: 0;
    padding: 24px;
    color: var(--text-muted);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

@media (max-width: 760px) {
    .site-topbar__inner,
    .site-header__inner,
    .site-footer__inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-brand__logo {
        width: 56px;
        height: 56px;
        flex-basis: 56px;
    }

    .site-brand__name {
        font-size: 18px;
    }

    .site-header__actions,
    .site-header__actions .button,
    .site-header__actions button {
        width: 100%;
    }

    .site-nav__inner {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
        overflow-x: visible;
    }

    .site-nav a,
    .site-nav button {
        width: 100%;
        min-height: 44px;
        justify-content: flex-start;
        padding: 10px 14px;
        white-space: normal;
        text-align: left;
        line-height: 1.25;
    }

    .page-shell {
        padding-top: 24px;
    }

    .page-heading h1 {
        font-size: 30px;
    }
}

@media (max-width: 420px) {
    .site-topbar__inner,
    .site-header__inner,
    .site-nav__inner,
    .page-shell,
    .site-footer__inner {
        width: min(100% - 24px, var(--content-width));
    }

    .site-brand {
        align-items: flex-start;
        gap: 12px;
    }

    .site-brand__name {
        font-size: 16px;
        overflow-wrap: anywhere;
    }

    .site-brand__caption,
    .site-topbar {
        font-size: 13px;
    }

    .page-heading h1 {
        font-size: 26px;
        line-height: 1.15;
        overflow-wrap: anywhere;
    }

    .site-topbar__inner > * {
        min-width: 0;
        overflow-wrap: anywhere;
    }
}