/* ================= LOGIN PREMIUM PETROCONTROL ================= */

:root {
  --sidebar-bg: #0f1419;
  --main-bg: #1c2128;
  --card-bg: #252b33;
  --primary-blue: #00a8ff;
  --primary-blue-hover: #0090e0;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --border-color: #30363d;
}

body.login-page {
  background-color: var(--main-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
}

.login-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.login-logo i {
  font-size: 3rem;
  color: var(--primary-blue);
}

.login-logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.5rem;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.form-label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-control {
  background-color: var(--sidebar-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  background-color: var(--sidebar-bg);
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 0.2rem rgba(0, 168, 255, 0.15);
  color: var(--text-primary);
}

.btn-login {
  background-color: var(--primary-blue);
  border: none;
  border-radius: 8px;
  color: white;
  font-weight: 600;
  padding: 0.8rem 1.5rem;
  width: 100%;
  transition: background-color 0.2s ease;
}

.btn-login:hover {
  background-color: var(--primary-blue-hover);
  color: white;
}

.login-footer {
  margin-top: 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.login-footer span {
  display: block;
}

.login-error {
  background-color: rgba(255, 80, 80, 0.15);
  color: #ff6b6b;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}