/* ── Tokens (dark theme, matches advertisementIngame) ── */
:root {
  --ls-bg: #0d0f18;
  --ls-surface: #151825;
  --ls-surface2: #1e2235;
  --ls-border: #2a2f4a;
  --ls-accent: #4f8ef7;
  --ls-text: #e6e9f4;
  --ls-text-muted: #6b739e;
  --ls-radius: 14px;
  --ls-radius-sm: 9px;
  --ls-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --primary-brand: #4361ee;
  --secondary-brand: #3f37c9;
  --bg-surface: #f3f4f6;
  --radius-md: 8px;
  --radius-lg: 16px;
}

body {
  font-family: "Be Vietnam Pro", "Inter", sans-serif;
  background-color: var(--ls-bg);
  color: #1f2937;
}

/* ── Login wrap ── */
.ls-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, #1a2040 0%, var(--ls-bg) 60%);
  padding: 1.5rem;
  position: relative;
}

/* ── Back button ── */
.ls-back-btn {
  position: absolute;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ls-text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--ls-radius-sm);
  background: var(--ls-surface);
  border: 1px solid var(--ls-border);
  transition: all 0.2s;
}

.ls-back-btn:hover {
  color: var(--ls-accent);
  border-color: var(--ls-accent);
}

/* ── Login card ── */
.ls-login-card {
  background: var(--ls-surface);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius);
  box-shadow: var(--ls-shadow);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 440px;
  animation: lsSlideUp 0.3s ease;
  align-self: center;
}

@keyframes lsSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Logo ── */
.ls-login-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #1e40af, var(--ls-accent));
  border-radius: var(--ls-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  margin: 0 auto 1.25rem;
  box-shadow: 0 6px 20px rgba(79, 142, 247, 0.4);
}

/* ── Title ── */
.ls-login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ls-text);
  text-align: center;
  margin-bottom: 0.35rem;
}

.ls-login-sub {
  color: var(--ls-text-muted);
  text-align: center;
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

/* ── Form group ── */
.ls-form-group {
  margin-bottom: 1.25rem;
}

.ls-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ls-text-muted);
  margin-bottom: 8px;
}

/* ── Input ── */
.ls-input {
  width: 100%;
  background: var(--ls-surface2);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-sm);
  color: var(--ls-text);
  font-family: inherit;
  font-size: 15px;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

.ls-input:focus {
  border-color: var(--ls-accent);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15);
}

/* ── Submit button ── */
.ls-btn {
  width: 100%;
  padding: 14px;
  background: var(--ls-accent);
  border: none;
  border-radius: var(--ls-radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.ls-btn:hover {
  opacity: 0.85;
}

.ls-btn:active {
  transform: scale(0.98);
}

.ls-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Main card (existing styles, kept) ── */
.main-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

/* ── Color dot ── */
.color-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  border: 1px solid #ddd;
}

@media (max-width: 640px) {
  .ls-login-wrap {
    padding: 76px 14px 20px;
    align-items: flex-start;
  }

  .ls-back-btn {
    top: 16px;
    left: 14px;
  }

  .ls-login-card {
    max-width: 100%;
    padding: 28px 20px;
  }

  .main-card {
    padding: 1rem !important;
    margin-inline: 0.5rem !important;
  }

  .main-card .d-flex.justify-content-between.align-items-center.mb-4 {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 12px;
  }

  .main-card .d-flex.gap-2 {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .main-card .btn {
    width: 100%;
  }
}