:root {
  --primary: #f9f9f9;
  --accent: #222; /* dark accent for text & icons */
  --dark: #222;
  --shadow: rgba(0,0,0,0.15);
  --btn-bg: black;
  --btn-hover: orangered;
  --input-border: #3c6e71;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
}

body, html {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #3c6e71, #d9d9d9);
}

.login-wrapper {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: rgba(255,255,255,0.98);
  padding: 40px 30px;
  border-radius: 16px;
  box-shadow: 0 12px 28px var(--shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.25);
}

.login-logo {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  object-fit: cover;
  transition: transform 0.3s ease;
}

.login-logo:hover {
  transform: scale(1.05);
}

.login-card h2 {
  margin-bottom: 24px;
  color: var(--dark);
  font-size: 32px;
}

.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-group i {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 16px;
}

.input-group input {
  width: 100%;
  padding: 14px 14px 14px 40px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  font-size: 16px;
  transition: all 0.3s ease;
}

.input-group input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 10px rgba(255,69,0,0.3);
}

button {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background: var(--btn-bg);
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background: var(--btn-hover);
  border: 2px solid black;
  color: black;
}

.error-msg {
  color: red;
  font-weight: bold;
  font-size: 14px;
  margin-top: 12px;
  display: none;
}

.forgot {
  margin-top: 16px;
}

.forgot a {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
}

.forgot a:hover {
  text-decoration: underline;
}

/* Mobile responsiveness */
@media screen and (max-width: 480px) {
  .login-card {
    padding: 30px 20px;
    border-radius: 12px;
  }

  .login-card h2 {
    font-size: 24px;
  }

  .input-group input {
    padding: 12px 12px 12px 36px;
    font-size: 15px;
  }

  button {
    padding: 12px;
    font-size: 15px;
  }

  .login-logo {
    width: 70px;
    height: 70px;
  }
}