:root {
    --page: #f5f7fa;
    --surface: #ffffff;
    --ink: #17202a;
    --muted: #647083;
    --line: #dce3eb;
    --brand: #1565c0;
    --brand-dark: #0f4c91;
    --accent: #0f9f8f;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 68px;
    padding: 0 32px;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--line);
}

.brand,
.site-header nav a {
    text-decoration: none;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--brand);
    color: #fff;
    font-size: 0.78rem;
}

.site-header nav a {
    color: var(--muted);
    font-weight: 700;
}

main {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 44px 0 64px;
}

.hero,
.tool-header {
    padding: 32px 0 28px;
}

.hero h1,
.tool-header h1 {
    max-width: 860px;
    margin: 8px 0 14px;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.04;
    letter-spacing: 0;
}

.tool-header h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.eyebrow {
    margin: 0;
    color: var(--brand);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lead {
    max-width: 720px;
    margin: 0;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.6;
}

.utility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.utility-card,
.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 14px 40px rgba(31, 45, 61, 0.07);
}

.utility-card {
    display: block;
    min-height: 132px;
    padding: 16px;
    text-decoration: none;
}

.utility-card:hover {
    border-color: rgba(21, 101, 192, 0.45);
}

.utility-card h2 {
    margin: 18px 0 8px;
    font-size: 1.02rem;
    line-height: 1.25;
}

.utility-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.45;
}

.utility-status {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    background: #e9f7f5;
    color: #08796d;
    font-size: 0.72rem;
    font-weight: 800;
}

.tool-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}

.panel {
    padding: 22px;
}

.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.panel-heading h2 {
    margin: 0;
    font-size: 1.25rem;
}

.panel-heading span {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
    text-align: right;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.92rem;
    font-weight: 800;
}

textarea,
input[type="text"] {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfe;
    color: var(--ink);
    font: 0.96rem/1.5 "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

textarea {
    min-height: 320px;
    padding: 14px;
    resize: vertical;
}

input[type="text"] {
    min-height: 44px;
    padding: 0 12px;
}

textarea:focus,
input[type="text"]:focus {
    border-color: var(--brand);
    outline: 3px solid rgba(21, 101, 192, 0.12);
}

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

.tag-grid,
.wrapper-grid,
.option-row,
.actions {
    display: flex;
    gap: 14px;
    margin-top: 16px;
}

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

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

.small-textarea {
    min-height: 118px;
}

.macro-section {
    display: grid;
    gap: 10px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.macro-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 2px;
}

.macro-section-heading h3 {
    margin: 0;
    font-size: 1rem;
}

.macro-section-heading span {
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 800;
}

.macro-row {
    display: grid;
    grid-template-columns: minmax(140px, 0.72fr) minmax(180px, 1.28fr);
    gap: 12px;
    align-items: center;
}

.macro-row-head {
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 800;
}

.check-option {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
    margin: 0;
    color: var(--muted);
    font-weight: 700;
}

.check-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--brand);
}

.actions {
    flex-wrap: wrap;
    align-items: center;
}

.copy-status {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

button {
    background: var(--brand);
    color: #fff;
}

button:hover {
    background: var(--brand-dark);
}

.button-secondary {
    background: #fff;
    border-color: var(--line);
    color: var(--ink);
}

.button-secondary:hover {
    border-color: var(--brand);
}

@media (max-width: 820px) {
    .site-header {
        padding: 0 20px;
    }

    .tool-layout,
    .tag-grid,
    .wrapper-grid,
    .macro-row {
        grid-template-columns: 1fr;
    }

    .macro-row-head {
        display: none;
    }
}

@media (max-width: 560px) {
    main {
        width: min(100% - 28px, 1180px);
        padding-top: 28px;
    }

    .site-header {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 14px 20px;
    }

    .hero,
    .tool-header {
        padding-top: 18px;
    }

    .option-row {
        flex-direction: column;
    }
}