:root {
    --color-base-100: #14161b;
    --color-base-200: #1b1e24;
    --color-base-300: #22262e;
    --color-base-content: #edf0f2;
    --color-primary: #ecb64f;
    --color-primary-content: #14161b;
    --color-error: #f16565;
    --radius-box: 0.5rem;
    --radius-field: 0.25rem;
    --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
    --font-display: "Space Grotesk", "Inter", ui-sans-serif, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-base-100);
    color: var(--color-base-content);
    font-family: var(--font-sans);
}

.site-header {
    border-bottom: 1px solid rgba(237, 240, 242, 0.1);
}

.site-header .header-inner {
    max-width: 64rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 4rem;
    display: flex;
    align-items: center;
}

@media (min-width: 640px) {
    .site-header .header-inner {
        padding: 0 2rem;
    }
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-base-content);
    text-decoration: none;
}

.brand .bracket {
    color: var(--color-primary);
}

main {
    max-width: 40rem;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

@media (min-width: 640px) {
    main {
        padding: 4rem 2rem;
    }
}

.page-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
}

.subtitle {
    color: rgba(237, 240, 242, 0.65);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 2rem;
}

label {
    display: block;
    font-size: 0.875rem;
    color: rgba(237, 240, 242, 0.65);
    margin-bottom: 0.5rem;
}

input[type="url"],
input[type="text"] {
    width: 100%;
    background: var(--color-base-200);
    border: 1.5px solid rgba(237, 240, 242, 0.15);
    border-radius: var(--radius-field);
    color: var(--color-base-content);
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
    font-family: inherit;
}

input[type="url"]:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border-radius: var(--radius-field);
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-primary-content);
}

.btn-primary:hover {
    filter: brightness(1.08);
}

.error-text {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.result-card {
    margin-top: 2rem;
    border: 1px solid rgba(237, 240, 242, 0.1);
    border-radius: var(--radius-box);
    background: var(--color-base-200);
    padding: 1.25rem 1.5rem;
}

.result-card .label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(237, 240, 242, 0.4);
    margin: 0 0 0.5rem;
}

.result-card a {
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    word-break: break-all;
    text-decoration: none;
}

.result-card a:hover {
    text-decoration: underline;
}