* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}
body {
  margin: 0;
  padding: 0;
  background: #121212;
  color: #f0f0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
form {
  background: #1e1e1e;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  width: 100%;
  max-width: 400px;
}
input[type="email"],
input[type="password"],
input[type="submit"] {
  width: 100%;
  padding: 0.75rem;
  margin: 1rem 0;
  border: none;
  border-radius: 5px;
}
input[type="email"] {
  background: #2c2c2c;
  color: #fff;
}
input[type="submit"] {
  background: #03dac6;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}
input[type="submit"]:hover {
  background: #00bfa5;
}
a {
  color: #03dac6;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button {
  width: 100%;
  padding: 0.75rem;
  margin: 1rem 0;
  border: none;
  border-radius: 5px;
  background: #03dac6;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #00bfa5;
}
/* Sidebar */
.sidebar {
  width: 250px;
  background-color: #1f1f1f;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  height: 100vh;
}

.sidebar h2 {
  color: #03dac6;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  text-align: center;
}

.sidebar a {
  color: #f0f0f0;
  text-decoration: none;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 5px;
  display: block;
  transition: background 0.3s;
}

.sidebar a:hover,
.sidebar a.active {
  background-color: #03dac6;
  color: #000;
}

/* Main content */
.main-content {
  margin-left: 250px;
  padding: 2rem;
  width: 100%;
  background-color: #121212;
  min-height: 100vh;
}

h1, h2 {
  color: #03dac6;
}

img {
  border-radius: 50%;
  margin-bottom: 1rem;
  max-width: 100px;
}

/* Form inside dashboard */
.dashboard-form {
  background: #1e1e1e;
  padding: 2rem;
  border-radius: 10px;
  max-width: 600px;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.dashboard-form input,
.dashboard-form select,
.dashboard-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin: 0.75rem 0;
  border: none;
  border-radius: 5px;
  background: #2c2c2c;
  color: #fff;
}

.dashboard-form textarea {
  height: 100px;
}

.success-message {
  color: #00ffb3;
}

.error-message {
  color: #ff5252;
}