*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --tf-bg-deep: #0A0A0F;
  --tf-surface: #12121E;
  --tf-border: #020203;
  --tf-primary: #6366f1;
  --tf-text-main: #f8fafc;
  --tf-text-muted: #a1a1aa;
}

body {
  margin: 0;
  font-family: Inter, sans-serif;
  background: var(--tf-bg-deep);
  color: var(--tf-text-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
}

.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 1rem;
  z-index: 10;
}

.login-card {
  background: var(--tf-surface);
  border: 1px solid var(--tf-border);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.02), 0 20px 40px rgba(99,102,241,0.05);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tf-primary), transparent);
  opacity: 0.6;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-logo img {
  height: 42px;
  margin: auto;
}

.login-kicker {
  letter-spacing: 0.1em;
  font-size: 0.65rem;
}

.form-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tf-text-muted);
  margin-bottom: 0.5rem;
}

.input-group {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--tf-border);
  border-radius: 10px;
  transition: all 0.2s ease;
  overflow: hidden;
}

.input-group:focus-within {
  border-color: var(--tf-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
  background: rgba(0,0,0,0.6);
}

.input-group-text {
  background: transparent !important;
  border: 0 !important;
  border-right: 1px solid var(--tf-border) !important;
  color: var(--tf-text-muted) !important;
  border-radius: 0;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.form-control {
  background: transparent !important;
  border: 0 !important;
  color: var(--tf-text-main) !important;
  box-shadow: none !important;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

.form-control::placeholder {
  color: #52525b !important;
}

.remember-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 1.35rem;
}

.remember-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--tf-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.remember-label input {
  width: 16px;
  height: 16px;
  accent-color: var(--tf-primary);
}

.btn-login {
  background: var(--tf-primary);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 0.875rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-login:hover {
  background: #4f46e5;
  transform: translateY(-1px);
  box-shadow: 0 10px 25px -5px rgba(99,102,241,0.5);
  color: #fff;
}