:root {
    --bg: #fff;
    --fg: #050505;
    --muted: #777;
    --line: #dedede;
    --soft: #f6f6f6;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--fg); }
body {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    letter-spacing: -0.02em;
}
a { color: inherit; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(440px, 100%); }
.eyebrow { font-size: 11px; letter-spacing: .15em; color: var(--muted); margin-bottom: 16px; }
h1 { font-size: clamp(36px, 8vw, 68px); line-height: .92; margin: 0 0 18px; font-weight: 500; letter-spacing: -.08em; }
.muted { color: var(--muted); margin: 0 0 38px; font-size: 14px; }
label { display: block; font-size: 11px; letter-spacing: .12em; margin: 18px 0 8px; }
input[type="password"] {
    width: 100%; border: 0; border-bottom: 1px solid var(--fg); border-radius: 0; padding: 14px 0;
    font: inherit; font-size: 18px; background: transparent; outline: none;
}
button {
    width: 100%; margin-top: 28px; padding: 15px 18px; background: var(--fg); color: var(--bg);
    border: 1px solid var(--fg); font: inherit; cursor: pointer;
}
button:hover { background: var(--bg); color: var(--fg); }
.error { margin-top: 14px; font-size: 12px; padding: 10px 0; border-bottom: 1px solid var(--fg); }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; padding: 34px 4vw 20px; border-bottom: 1px solid var(--line); }
.topbar h1 { font-size: clamp(42px, 7vw, 84px); margin: 0; }
.logout { font-size: 11px; text-decoration: none; border-bottom: 1px solid var(--fg); padding-bottom: 3px; }
.dashboard { padding: 26px 4vw 70px; }
.intro { max-width: 720px; color: var(--muted); font-size: 13px; line-height: 1.6; margin-bottom: 36px; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tool-card { grid-column: span 4; background: var(--bg); min-height: 280px; padding: 24px; display: flex; flex-direction: column; }
.tool-topline { display: flex; align-items: center; gap: 8px; font-size: 10px; color: var(--muted); letter-spacing: .1em; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--fg); display: inline-block; }
.tool-card h2 { font-size: 24px; margin: 22px 0 9px; font-weight: 500; letter-spacing: -.04em; }
.tool-card p { color: var(--muted); margin: 0 0 24px; font-size: 13px; line-height: 1.5; }
.links { margin-top: auto; display: grid; gap: 7px; }
.links a { text-decoration: none; display: flex; align-items: center; justify-content: space-between; padding: 11px 0; border-top: 1px solid var(--line); font-size: 12px; }
.links a:hover { padding-left: 7px; }
footer { border-top: 1px solid var(--line); padding: 18px 4vw 30px; color: var(--muted); font-size: 10px; }
@media (max-width: 900px) { .tool-card { grid-column: span 6; } }
@media (max-width: 620px) {
    .topbar { padding-top: 24px; }
    .tool-card { grid-column: 1 / -1; min-height: 230px; }
    .grid { display: block; background: none; border: 1px solid var(--line); }
    .tool-card + .tool-card { border-top: 1px solid var(--line); }
}