:root {
  --primary: #4caf50;
  --primary-dark: #3e8e41;
  --secondary: #333;
  --accent: #ffb200;
  --light-bg: #f5f5f5;
  --input-border: #e0e0e0;
  --text-dark: #212121;
  --text-light: #ffffff;
  --error: #d32f2f;
  --shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  --section-padding: 1.5rem;
  --input-padding: 0.75rem;
  --element-margin: 0.75rem;
}

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

html {
  height: 100%;
}

body {
  font-family: "Open Sans", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

/* Header */
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--secondary);
  padding: 10px 20px;
  position: fixed;
  top: 0;
  width: 100%;
  height: 70px;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.header-content {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-logo {
  height: 30px;
  width: auto;
  transition: transform 0.3s ease;
}

.header-logo:hover {
  transform: scale(1.2);
}

h1 {
  color: white;
  font-family: "Playfair Display", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  transition: transform 0.3s ease;
}

h1:hover {
  transform: scale(1.05);
}

/* Main layout */
.container {
  flex: 1;
  display: flex;
  margin-top: 70px;
}

/* Left Container - Books CHANGE TO GRID IN FINAL DESIGN */

.left-container {
  flex: 2;
  background: linear-gradient(
    0deg,
    rgba(34, 193, 195, 1) 0%,
    rgba(253, 187, 45, 1) 100%
  );
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px 15px;
  padding: 40px;
  color: var(--text-light);
}

/* Right side - Form */
.right-container {
  flex: 1;
  width: 50%;
  display: flex;
  flex-direction: column;
  background: white;
}

.top-box {
  background: var(--light-bg);
  padding-top: 100px;
  padding-left: 30px;
  padding-bottom: 30px;
  font-size: 1.1rem;
}

.top-box p {
  margin-bottom: 15px;
  max-width: 600px;
}

.middle-box {
  padding: 30px;
}

legend {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 25px;
  color: var(--secondary);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.radio-group {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

input[type="checkbox"] {
  width: 24px;
  height: 24px;
  accent-color: var(--primary);
  margin-top: 8px;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
}

input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.bottom-box {
  background: var(--light-bg);
  padding: 30px;
}

button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.login-prompt {
  margin-top: 20px;
  color: var(--text-dark);
  font-size: 1rem;
  font-weight: normal;
  letter-spacing: normal;
}

.login-prompt a {
  color: var(--primary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: normal;
}

.login-prompt a:hover {
  text-decoration: underline;
}

/* cards */

.card-buttons {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.card-buttons button {
  padding: 6px 10px;
  font-size: 0.85rem;
  border-radius: 4px;
  width: auto;
  white-space: nowrap;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.9);
  color: var(--accent);
  text-align: center;
  padding: 15px;
  font-size: 0.9rem;
  margin-top: auto;
}

.footer p,
a {
  color: var(--accent);
  text-decoration: none;
  font-weight: bold;
  font-size: 12px;
  letter-spacing: 0.2rem;
}

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

@media (max-width: 1024px) {
  .container {
    flex-direction: column;
  }

  .left-container {
    flex: 1;
  }

  .right-container {
    width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .card-buttons {
    gap: 8px;
  }

  .card-buttons button {
    padding: 6px 8px;
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 5px 10px;
  }

  .header img {
    height: 30px;
    margin: 0 10px;
  }

  .container {
    margin-top: 60px;
    flex-direction: column;
  }

  .left-container {
    flex: 1;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .right-container {
    width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .card-buttons button {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .header {
    height: 50px;
    padding: 5px 10px;
  }

  .header img {
    height: 25px;
    margin: 0 5px;
  }

  .container {
    margin-top: 50px;
    flex-direction: column;
  }

  .left-container {
    flex: 1;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .right-container {
    flex: 1;
    width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .card-buttons button {
    padding: 5px 8px;
    font-size: 0.8rem;
  }

  button {
    padding: 12px 20px;
    font-size: 1rem;
  }
}