@import url('https://fonts.googleapis.com/css2?family=PT+Sans:wght@400;700&display=swap');

:root {
  --primary: #9d4edd;
  --primary-dark: #8a3cc4;
  --primary-light: #f8f0ff;
  --primary-border: #e9d5ff;
  --success: #2ecc71;
  --success-dark: #27ae60;
  --danger: #e74c3c;
  --danger-light: #fff5f5;
  --danger-border: #fad1d1;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --bg-input: #fafbfc;
  --bg-hover: #f0f3f7;
  --bg-menu-hover: #f8f0ff;
  --text-dark: #2c3e50;
  --text-muted: #5a6c7e;
  --text-light: #7f8c8d;
  --text-lighter: #b0b8c5;
  --text-body: #5c6061;
  --border: #e8ecf1;
  --border-light: #edf2f7;
  --border-input: #a698b7;
  --border-select: #e0e4e9;
  --radius: 16px;
  --radius-sm: 12px;
}

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

body {
  background: var(--bg);
  color: var(--text-dark);
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  max-width: 650px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.nav-logo span {
  color: var(--text-dark);
}

.hamburger-menu {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 24px;
  transition: background 0.2s;
}

.hamburger-menu:hover {
  background: var(--bg-hover);
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  display: none;
}

.menu-overlay.active {
  display: block;
}

.menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 250px;
  max-width: 85%;
  height: 100%;
  background: var(--bg-white);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
}

.menu-panel.open {
  transform: translateX(0);
}

.menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-light);
}

.menu-header h3 {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-header h3 i {
  color: var(--primary);
}

.close-menu {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.close-menu:hover {
  background: var(--bg-hover);
}

.menu-items {
  padding: 12px 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s;
  text-align: left;
}

.menu-item:hover {
  background: var(--bg-menu-hover);
}

.menu-item i:first-child {
  font-size: 20px;
  width: 24px;
  color: var(--primary);
}

.menu-item span { flex: 1; }

.menu-item i:last-child {
  font-size: 14px;
  color: var(--text-lighter);
}

.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 400;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-white);
  border-radius: 20px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.modal-close:hover {
  background: var(--bg-hover);
}

.modal-body { padding: 24px; }

.modal-body p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 14px;
  margin-bottom: 6px;
}

.form-group select,
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  border: 1.5px solid var(--border-select);
  border-radius: 10px;
  background: var(--bg-input);
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.2s;
  font-family: 'PT Sans', sans-serif;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6c7e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: var(--bg-white);
}

.form-group select:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239d4edd' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-report-btn {
  width: 100%;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--whatsapp);
  color: var(--bg-white);
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.submit-report-btn:hover {
  background: var(--whatsapp-dark);
}

.main {
  flex: 1;
  padding: 20px;
}

.download-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-wrapper {
  position: relative;
  width: 100%;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-lighter);
  font-size: 16px;
  pointer-events: none;
  z-index: 1;
}

#urlInput {
  width: 100%;
  padding: 0.75rem 2.75rem;
  font-size: 16px;
  border: 1.25px solid var(--border-input);
  border-radius: 14px;
  background: var(--bg-input);
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

#urlInput:focus {
  border-color: var(--primary);
  background: var(--bg-white);
}

#urlInput::placeholder {
  color: var(--text-lighter);
}

.paste-btn,
.clear-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-lighter);
  cursor: pointer;
  padding: 8px;
  font-size: 16px;
  border-radius: 50%;
  transition: background 0.15s, color 0.15s;
  z-index: 2;
}

.paste-btn:hover,
.clear-btn:hover {
  background: var(--bg-hover);
}

.paste-btn:hover {
  color: var(--primary);
}

.clear-btn:hover {
  color: var(--text-muted);
}

.download-btn {
  padding: 0.7rem 0.75rem;
  font-size: 16px;
  font-weight: 600;
  color: var(--bg-white);
  background: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}

.download-btn:hover {
  background: var(--primary-dark);
}

.download-btn:active {
  transform: scale(0.98);
}

.download-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.supported-platforms {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.platform-tag {
  display: inline-flex;
  padding: 8px 16px;
  background: var(--bg-menu-hover);
  border-radius: var(--radius-sm);
  font-size: 18px;
  color: var(--primary);
  border: 1px solid var(--border);
}

.status {
  margin-top: 1rem;
  padding: 0.6rem 1rem;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 500;
  border: 1px solid var(--primary-border);
}

.status.error {
  background: var(--danger-light);
  color: var(--danger);
  border-color: var(--danger-border);
}

.status i { font-size: 18px; }

.result {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg-input);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.result-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.result-header i {
  color: var(--success);
  font-size: 24px;
}

.result-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.result-filename {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 18px;
  word-break: break-word;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn {
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  transition: all 0.15s;
}

.save-btn {
  background: var(--success);
  color: var(--bg-white);
}

.save-btn:hover {
  background: var(--success-dark);
}

.new-btn {
  background: var(--bg-white);
  color: var(--text-muted);
  border: 1.5px solid var(--border-select);
}

.new-btn:hover {
  background: var(--bg-input);
  border-color: #ccd3dd;
}

.info-box {
  padding: 16px 18px;
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.info-box-header {
  display: flex;
  gap: 0.5rem;
}

.info-box i {
  color: var(--primary);
  font-size: 20px;
  flex-shrink: 0;
}

.info-box strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.info-box p {
  color: var(--text-body);
  font-size: 14px;
}

.faq-section {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 0.3rem 1rem;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  padding: 0.75rem 0.75rem 0.5rem 0;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '';
  display: inline-block;
  width: 15px;
  height: 15px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239d4edd' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item p {
  padding-bottom: 0.75rem;
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.6;
}

.footer {
  text-align: center;
  padding: 10px;
  margin-top: auto;
  color: var(--text-dark);
  font-size: 13px;
}

.hidden {
  display: none !important;
}

@media (min-width: 600px) {
  .main { padding: 24px;}
  .input-group { flex-direction: row; }
  .download-btn { min-width: 140px; }
  .result-actions { flex-direction: row; }
  .btn { flex: 1; }
  .navbar { padding: 16px 24px; }
}

@media (max-width: 480px) {
  .main { padding: 16px 12px 10px; }
  .nav-logo { font-size: 19px; }
  .nav-logo i { font-size: 24px; }
  .hamburger-menu {
    width: 36px;
    height: 36px;
    font-size: 22px;
  }
  .download-card {
    padding: 20px 16px;
  }
  .supported-platforms {
    gap: 8px;
  }
  .platform-tag {
    padding: 6px 14px;
    font-size: 16px;
  }
}