/* Login page — fullscreen, animated background, single card */

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  overflow: hidden;
}

.login-shell {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 20px;
  isolation: isolate;
}

/* Animated background */
.login-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.login-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in oklab, var(--accent) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--accent) 7%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 40%, black 35%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, black 35%, transparent 75%);
  opacity: 0.6;
  animation: gridDrift 18s linear infinite;
}
@keyframes gridDrift {
  from { transform: translate(0, 0); }
  to   { transform: translate(56px, 56px); }
}
.login-blob {
  position: absolute;
  width: 540px; height: 540px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}
.login-blob.b1 {
  top: -160px; left: -120px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  animation: blobFloat 22s ease-in-out infinite alternate;
}
.login-blob.b2 {
  bottom: -180px; right: -140px;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent) 60%, #6e3eff) 0%, transparent 60%);
  animation: blobFloat 26s ease-in-out -8s infinite alternate;
}
@keyframes blobFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, -40px) scale(1.15); }
}

/* Card */
.login-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  padding: 32px 32px 24px;
  background: color-mix(in oklab, var(--surface) 90%, transparent);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 24px 60px -20px rgba(0, 0, 0, 0.65),
    inset 0 1px 0 color-mix(in oklab, white 8%, transparent);
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: cardIn 0.5s cubic-bezier(0.3, 0, 0, 1);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.login-card .brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 9px;
}
.login-card .brand-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.login-card .brand-sub {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-top: 2px;
}

.login-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}
.login-sub {
  margin: 0;
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.5;
}

.login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: color-mix(in oklab, #ff7a7a 14%, transparent);
  border: 1px solid color-mix(in oklab, #ff7a7a 35%, transparent);
  color: #ffb4b4;
  font-size: 12px;
}

form { display: flex; flex-direction: column; gap: 12px; }
.login-field { display: flex; flex-direction: column; gap: 4px; }
.login-field-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.login-field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.login-field input:focus {
  outline: none;
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 5%, var(--bg-elev));
}

.login-submit {
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.25s ease, filter 0.15s ease;
}
.login-submit:hover {
  filter: brightness(1.08);
  box-shadow: 0 8px 24px -8px color-mix(in oklab, var(--accent) 70%, transparent);
}
.login-submit:active { transform: translateY(1px); }

.login-foot {
  margin-top: 4px;
  display: flex;
  gap: 6px;
  font-size: 10px;
  color: var(--text-mute);
}
.login-foot .dim { color: var(--text-dim); }