/* ==============================================
   IF Login — Styles
   Tokens come from brand.css (loaded before this).
   ============================================== */

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.header {
  position: fixed;
  height: 54px;
  padding: 0 28px;
}

/* ── Login card ── */
.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  margin: 24px;
  background: var(--bg1);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 40px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
}

.card-top {
  border-top: 2px solid var(--hab);
  margin: -40px -40px 32px;
  padding: 14px 40px;
  background: var(--hab-dim);
}

.card-label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--hab);
}

.card h1 {
  font-family: var(--display);
  font-size: var(--fs-4xl);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.sub {
  font-size: var(--fs-body);
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 28px;
}

.card label {
  display: block;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.card input[type=text],
.card input[type=password] {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--mono);
  font-size: var(--fs-lg);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s;
  margin-bottom: 18px;
}
.card input[type=password] { letter-spacing: 3px; }
.card input[type=text]:focus,
.card input[type=password]:focus { border-color: var(--p1); }

.error {
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: 1px;
  color: var(--danger);
}

.submit-btn {
  width: 100%;
  font-family: var(--mono);
  font-size: var(--fs-base);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--hab);
  border: 1px solid var(--hab);
  color: #fff;
  padding: 13px 24px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}
.submit-btn:hover {
  box-shadow: 0 0 20px rgba(var(--hab-rgb), 0.4);
  opacity: 0.9;
}

.back {
  margin-top: 20px;
  text-align: center;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.back a { color: var(--acc); text-decoration: none; }
.back a:hover { color: var(--text); }