/*
 * SwiftYourLink - Shortener Page Stylesheet
 *
 * This file contains specific CSS for the URL Shortener page,
 * including layout for the input form, result display, and QR code generation.
 * It extends the base styles defined in style.css.
 */

/* General Section Styling */
.shortener-section {
  padding: 80px 0;
  background-color: transparent; /* Use body's gradient background */
}

/* Card for the main shortener interface */
.shortener-card {
  background: var(--card-bg);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 50px;
  max-width: 800px;
  margin: 50px auto;
  box-shadow: var(--shadow-large);
  text-align: center;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.shortener-card:hover {
  box-shadow: var(--shadow-xl);
}

/* Form elements styling */
.form-group {
  margin-bottom: 35px;
}

.form-group label {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-primary);
  display: block;
}

.form-group input[type="url"],
.form-group input[type="text"] {
  width: 100%;
  padding: 18px 25px;
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  font-size: 1.1rem;
  color: var(--text-primary); /* Changed to text-primary */
  background-color: var(--input-bg, var(--card-bg)); /* Use card-bg as fallback */
  transition: border-color 0.4s ease, box-shadow 0.4s ease, background-color 0.4s ease;
}

.form-group input[type="url"]:focus,
.form-group input[type="text"]:focus {
  outline: none;
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 5px var(--teal-focus-ring, rgba(0, 201, 167, 0.25));
}

/* Result display card */
.result-card {
  background: var(--result-card-bg, var(--card-bg)); /* Use card-bg as fallback */
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--teal-accent);
  border-radius: var(--border-radius-lg);
  padding: 35px;
  margin-top: 40px;
  text-align: left;
  box-shadow: var(--shadow-large);
  display: none; /* Initially hidden */
  animation: fadeIn 0.6s forwards;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.result-card p {
  margin: 0 0 18px 0;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.result-card a {
  color: var(--accent-light); /* Changed to accent-light */
  text-decoration: none;
  word-break: break-all;
  font-weight: 700;
  transition: color 0.4s ease;
}

.result-card a:hover {
  text-decoration: underline;
  color: var(--teal-hover);
}

.result-card .copy-btn {
  background-color: var(--teal-accent);
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: 1rem;
  margin-left: 15px;
  transition: background-color 0.4s ease, transform 0.3s ease, box-shadow 0.4s ease;
}

.result-card .copy-btn:hover {
  background-color: var(--teal-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-large);
}

.result-card .copy-btn:focus-visible {
  outline: 3px solid var(--teal-accent);
  outline-offset: 3px;
}

/* QR Code container */
.qr-code-container {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.qr-code-container img {
  border: 8px solid var(--qr-border-color, var(--card-bg)); /* Use card-bg as fallback */
  box-shadow: var(--shadow-large);
  border-radius: var(--border-radius-md);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.qr-code-container .btn {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Error message styling */
#error-message {
  color: var(--error-red, #e53e3e);
  background-color: var(--error-bg, var(--bg-start)); /* Use bg-start as fallback */
  border: 1px solid var(--error-border, #e53e3e);
  border-radius: var(--border-radius-md);
  padding: 15px 20px;
  margin-top: 20px;
  font-weight: 600;
  display: none; /* Initially hidden */
  animation: fadeIn 0.6s forwards;
}

/* Dark theme overrides for Shortener page */
[data-theme="dark"] {
    --input-bg: rgba(28, 36, 53, 0.75);
    --result-card-bg: rgba(28, 36, 53, 0.75);
    --qr-border-color: #1a202c; /* Darker border for QR in dark mode */
    --error-red: #fc8181;
    --error-bg: #2d3748;
    --error-border: #e53e3e;
}

/* Fade-in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .shortener-card {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .shortener-card {
    padding: 30px;
    margin: 30px auto;
  }

  .form-group input[type="url"],
  .form-group input[type="text"] {
    padding: 16px 20px;
    font-size: 1.05rem;
  }

  .result-card {
    padding: 25px;
    text-align: center;
  }

  .result-card .copy-btn {
    margin-top: 20px;
    margin-left: 0;
    width: 100%;
  }

  .result-card p {
    margin-bottom: 15px;
  }
}

@media (max-width: 480px) {
  .shortener-card {
    padding: 20px;
  }

  .form-group label {
    font-size: 1.1rem;
  }

  .form-group input[type="url"],
  .form-group input[type="text"] {
    padding: 14px 18px;
    font-size: 1rem;
  }

  .result-card {
    padding: 18px;
  }

  .result-card .copy-btn {
    padding: 14px;
  }
}