/* StackHarden Tools — minimal dark theme matching stackharden.com (PaperMod). */

:root {
    --bg: #1d1e20;
    --bg-elev: #2a2c2e;
    --border: #3a3c3e;
    --text: #e6e6e6;
    --muted: #9aa0a6;
    --primary: #f6f6f8;
    --accent: #6dd3a8;
    --accent-hover: #57c194;
    --danger: #e57373;
    --warn: #f0c674;
    --radius: 6px;
    --max-width: 720px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { color: var(--accent-hover); text-decoration: underline; }

h1, h2, h3 { color: var(--primary); line-height: 1.25; }
h1 { font-size: 1.9rem; margin-top: 1.5rem; }
h2 { font-size: 1.35rem; margin-top: 2.2rem; }
h3 { font-size: 1.1rem; margin-top: 1.4rem; }

p { margin: 0.8rem 0; }
.muted { color: var(--muted); }
.lede { font-size: 1.05rem; color: var(--muted); }

/* Header / footer */
.site-header, .site-footer {
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
}
.site-footer {
    border-top: 1px solid var(--border);
    border-bottom: none;
    margin-top: 3rem;
    padding: 1.5rem 0;
    font-size: 0.85rem;
}
.site-header .container,
.site-footer .container {
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary);
}
.site-nav a {
    margin-left: 1rem;
}
.footer-policies, .footer-controller {
    text-align: center;
    margin: 0.2rem 0;
    color: var(--muted);
}

/* Cards / sections */
.hero { padding: 1.5rem 0; }
.tools-list { margin-top: 2rem; }
.tool-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    margin: 1rem 0;
}
.tool-card h3 { margin-top: 0; }

/* Forms */
form { margin: 1rem 0; }
.form-field { margin: 1rem 0; }
.form-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
}
.form-field .help {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    margin-top: 0.3rem;
}
input[type="number"],
input[type="text"],
select {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.7rem;
    font: inherit;
    width: 100%;
    max-width: 28rem;
}
input[type="checkbox"] { transform: scale(1.1); margin-right: 0.4rem; }
button[type="submit"] {
    background: var(--accent);
    color: #0c0d0e;
    border: 0;
    border-radius: var(--radius);
    padding: 0.6rem 1.2rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}
button[type="submit"]:hover { background: var(--accent-hover); }
.form-errors {
    background: rgba(229, 115, 115, 0.12);
    border-left: 3px solid var(--danger);
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius);
    color: var(--danger);
    margin: 0.6rem 0;
    font-size: 0.92rem;
}

/* Result blocks */
.result {
    border-left: 4px solid var(--accent);
    background: var(--bg-elev);
    padding: 1rem 1.2rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}
.result.result-essential { border-left-color: var(--warn); }
.result.result-important { border-left-color: var(--accent); }
.result.result-not-in-scope { border-left-color: var(--muted); }
.result h2 { margin-top: 0; }
.result-classification {
    display: inline-block;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.15rem 0.6rem;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.6rem;
}
.caveats {
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.92rem;
}
.caveats ul { margin: 0.3rem 0 0 1.2rem; padding: 0; }
.caveats li { margin: 0.3rem 0; }