:root {
  --bg-primary      : #0a0e27;
  --bg-secondary    : #1a1f3a;
  --bg-tertiary     : #252b47;
  --accent-primary  : #6366f1;
  --accent-secondary: #818cf8;
  --text-primary    : #e2e8f0;
  --text-secondary  : #94a3b8;
  --text-muted      : #64748b;
  --border-color    : #2d3350;
}

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

body {
  background: linear-gradient(135deg, var(--bg-primary) 0%, #0f1420 100%);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

main {
  text-align: center;
  max-width: 850px;
  width: 90%;
  padding: 2rem;
}

.login-container {
  text-align: center;
  max-width: 700px;
  width: 90%;
  padding: 2rem;
}

h2 {
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.accounts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 20px;
}

.account-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: center;
  color: var(--text-secondary);
  transition: transform 0.2s ease, color 0.2s ease;
}

.account-avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.account-avatar-container {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.account-avatar-img {
  width: 110px !important;
  height: 110px !important;
  border-radius: 50% !important;
  object-fit: cover !important;
  background: var(--bg-tertiary) !important;
  border: 2px solid var(--border-color) !important;
  padding: 1rem !important;
  margin-bottom: 10px !important;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3) !important;
  display: flex !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease !important;
}

.account-avatar-placeholder {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.account-btn:hover .account-avatar {
  transform: scale(1.08);
  border-color: var(--accent-primary);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

.account-btn:hover .account-avatar-container {
  transform: scale(1.08);
  border-color: var(--accent-primary);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

.account-btn:hover .account-avatar-img {
  transform: scale(1.08) !important;
  border: 2px solid var(--accent-primary) !important;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3) !important;
}

.account-btn:hover {
  color: var(--text-primary);
}

.new-account {
  margin-top: 3rem;
}

.new-account form {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

input[name="account"] {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[name="account"]:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #5558e3 0%, #6d77f0 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.error {
  color: #f87171;
  margin-bottom: 1rem;
  font-weight: 500;
}