:root {
  --drill-bg-primary: #0f1115;
  --drill-bg-secondary: #1a1d24;
  --drill-bg-tertiary: #252932;
  --drill-accent-primary: #c97a3d;
  --drill-accent-secondary: #d4a574;
  --drill-accent-tertiary: #e8c9a0;
  --drill-text-primary: #f8fafc;
  --drill-text-secondary: #cbd5e1;
  --drill-text-muted: #94a3b8;
  --drill-border: rgba(212, 165, 116, 0.18);
  --drill-shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.45);
  --drill-shadow-glow: 0 0 40px rgba(201, 122, 61, 0.16);
}

* {
  box-sizing: border-box;
}

body.drill-login {
  margin: 0;
  min-height: 100vh;
  font-family:
    "Inter Variable",
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--drill-text-primary);
  background:
    radial-gradient(circle at top left, rgba(201, 122, 61, 0.22), transparent 28%),
    radial-gradient(circle at bottom right, rgba(139, 90, 43, 0.26), transparent 30%),
    linear-gradient(135deg, #090b0f 0%, #0f1115 45%, #181b22 100%);
}

.drill-login__shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(380px, 520px);
  gap: 28px;
  align-items: stretch;
  padding: 28px;
}

.drill-login__brand,
.drill-login__panel {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  border: 1px solid var(--drill-border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    rgba(10, 13, 18, 0.72);
  box-shadow: var(--drill-shadow-lg), var(--drill-shadow-glow);
  backdrop-filter: blur(22px);
}

.drill-login__brand {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.drill-login__brand::before,
.drill-login__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.06) 24%, transparent 48%),
    radial-gradient(circle at top right, rgba(232, 201, 160, 0.12), transparent 32%);
  pointer-events: none;
}

.drill-login__brand-mark {
  width: 72px;
  height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(201, 122, 61, 0.18), rgba(232, 201, 160, 0.12));
  border: 1px solid rgba(212, 165, 116, 0.28);
  color: var(--drill-accent-tertiary);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.drill-login__brand-copy {
  max-width: 640px;
}

.drill-login__eyebrow {
  display: inline-block;
  color: var(--drill-accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.74rem;
  margin-bottom: 18px;
}

.drill-login__brand h1,
.drill-login__panel h2 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.drill-login__brand h1 {
  max-width: 720px;
  font-size: clamp(3rem, 6vw, 5.6rem);
}

.drill-login__brand p,
.drill-login__panel p,
.drill-login__feature-grid p {
  color: var(--drill-text-secondary);
  line-height: 1.65;
}

.drill-login__feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.drill-login__feature-grid article {
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(212, 165, 116, 0.12);
}

.drill-login__feature-grid span {
  display: inline-block;
  color: var(--drill-accent-secondary);
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.drill-login__feature-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
}

.drill-login__panel {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.drill-login__panel-head {
  margin-bottom: 26px;
}

.drill-login__panel h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.drill-login__alert {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--drill-text-primary);
}

.drill-login__alert--error {
  border-color: rgba(248, 113, 113, 0.34);
  background: rgba(127, 29, 29, 0.28);
}

.drill-login__alert--success,
.drill-login__alert--info {
  border-color: rgba(74, 222, 128, 0.24);
  background: rgba(20, 83, 45, 0.22);
}

.drill-login__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drill-login__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drill-login__field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.drill-login__field label,
.drill-login__remember span,
.drill-login__field-row a {
  font-size: 0.92rem;
}

.drill-login__field-row a {
  color: var(--drill-accent-secondary);
  text-decoration: none;
}

.drill-login__field input {
  width: 100%;
  border: 1px solid rgba(212, 165, 116, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--drill-text-primary);
  padding: 16px 18px;
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.drill-login__field input::placeholder {
  color: var(--drill-text-muted);
}

.drill-login__field input:focus {
  border-color: rgba(212, 165, 116, 0.44);
  box-shadow: 0 0 0 4px rgba(201, 122, 61, 0.18);
  background: rgba(255, 255, 255, 0.05);
}

.drill-login__remember {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--drill-text-secondary);
}

.drill-login__submit {
  margin-top: 6px;
  border: none;
  border-radius: 20px;
  padding: 16px 18px;
  font: inherit;
  font-weight: 600;
  color: #180f08;
  cursor: pointer;
  background: linear-gradient(135deg, #c97a3d 0%, #d4a574 55%, #e8c9a0 100%);
  box-shadow: 0 18px 30px rgba(201, 122, 61, 0.24);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.drill-login__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 40px rgba(201, 122, 61, 0.32);
  filter: saturate(1.05);
}

.drill-login__submit-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.drill-login__footer {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--drill-text-muted);
  font-size: 0.82rem;
}

.drill-login__footer a {
  color: var(--drill-accent-secondary);
  text-decoration: none;
}

@media (max-width: 1180px) {
  .drill-login__shell {
    grid-template-columns: 1fr;
  }

  .drill-login__brand {
    min-height: 420px;
  }

  .drill-login__feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .drill-login__shell {
    padding: 16px;
  }

  .drill-login__brand,
  .drill-login__panel {
    padding: 22px;
    border-radius: 24px;
  }

  .drill-login__field-row,
  .drill-login__footer {
    flex-direction: column;
    align-items: flex-start;
  }
}