@font-face {
  font-family: "Abril Fatface";
  src: url('./AbrilFatface-Regular.ttf');
}

:root {
  --bg-color: #f0f2f5;
  --primary-color: #121212;
  --primary-hover-color: #424242;
  --secondary-color: #218838;
  --secondary-hover-color: #76A751;
  --secondary-2-color:#e0e0e0;
  --text-color: #333;
  --text-light-color: #f5f5f5;
  --box-bg-color: #fff;
  --border-radius: 0.6rem;
  --danger-color: #DC3545;
  --danger-hover-color: #e4606d;
  --padding: 1.3rem;
  --transition: all 0.4s ease;
  --font-family: Arial, sans-serif;
}

* {
  box-sizing: border-box;
  position: relative;
}

body {
  font-family: var(--font-family);
  background: var(--bg-color);
  color: var(--text-color);
  text-align: center;
  padding: 1rem;
}

.container {
  background: var(--box-bg-color);
  padding: var(--padding);
  border-radius: var(--border-radius);
  max-width: 38rem;
  margin: var(--padding) auto;
}

h1 {
  margin-bottom: var(--padding);
}

input[type="file"] {
  display: none;
}

.output-file-info i::before{
  font-size: 1rem;
}

.output-file-info a,
.output-file-info button {
    display: inline-block;
    width: 8em;
    height: 3em;
    text-align: center;
    line-height: 3em;
    padding: 0;
    margin: 0.5em;
    font-size: 1em;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-sizing: border-box;
}


.btn {
  display: inline-block;
  padding: 0.6rem 1.3rem;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  transition: var(--transition);
  min-width: 1.5rem;
  min-height: 1.5rem;
}

.btn-classic {
  background: var(--primary-color);
  color: var(--text-light-color);
  border-radius: 10rem;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--text-light-color);
  border-radius: 10rem;
}

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

.btn-secondary {
  background: var(--secondary-color);
  color: var(--text-light-color);
  border-radius: 10rem;
}

.btn-secondary:hover {
  background: var(--secondary-hover-color);
}

.btn-secondary-2{
  background-color: var(--secondary-2-color);
  color: var(--text-color);
}

.btn-secondary-2:hover{
  background-color: var(--primary-hover-color);
  color: var(--text-light-color);
}

.btn-danger{
  background-color: var(--danger-color);
  color: var(--text-light-color);
}

.btn-danger:hover{
  background-color: var(--danger-hover-color);
}

.msg {
  margin: var(--padding) 0;
  padding: 0.6rem;
  background: var(--secondary-hover-color);
  border: 1px solid var(--secondary-color);
  border-radius: 0.3rem;
  color: var(--text-light-color);
}

img {
  max-width: 100%;
  border-radius: 0.3rem;
  margin-top: var(--padding);
}

.output-section {
  text-align: center;
  margin-top: var(--padding);
}

#output-image {
  width: 9rem;
  height: auto;
  border: 1px solid #ddd;
  border-radius: 0.3rem;
  padding: 0.3rem;
}

#title {
  font-family: "Abril Fatface";
  font-size: 2rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1rem;
}

#subtitle {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 4rem;
}

#refresh-form {
  cursor: pointer;
}

#refresh-form:hover {
  color: #83bb5a;
  z-index: 100;
}

#refresh-icon {
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.5rem;
  margin: 1rem;
  cursor: pointer;
  z-index: 100;
}

.output-file {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.output-file hr {
  width: 100%;
  height: 1px;
  border: 1px solid #ddd;
  margin: 1rem 0;
}

.output-file-info{
  display: flex;
  justify-content: center;
  gap: .2rem;
  flex-wrap: wrap;
}

.disabled-btn {
  cursor: not-allowed !important;
  pointer-events: none !important;
  background: #ccc !important;
  color: #fff !important;
}

.disabled-icons {
  color: #ccc !important;
}

#file-selected{
  margin: 1rem;
}

#submit-button{
  font-weight: bold;
  font-size: medium;
}

#cropper-modal .buttons{
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}

#submit-message {
  font-style: italic;
  margin-top: 1rem;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  overflow: auto;
  background-color: rgb(0,0,0); 
  background-color: rgba(0,0,0,0.5); 
}

.modal-content {
  margin: 2% auto; 
  width: 70%; 
}

.modal-content .buttons {
  margin: 1.2rem;
}

/* Tab Styles */
.tab-navigation {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 2rem auto;
  max-width: 40rem;
  background: var(--box-bg-color);
  padding: 1rem;
  border-radius: var(--border-radius);
}

.tab-button {
  padding: 0.8rem 2rem;
  cursor: pointer;
  border: 2px solid var(--primary-color);
  background: transparent;
  color: var(--text-color);
  border-radius: 10rem;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  flex: 1;
}

.tab-button:hover {
  background: var(--primary-hover-color);
  color: var(--text-light-color);
}

.tab-button.active {
  background: var(--primary-color);
  color: var(--text-light-color);
}

.tabs-container {
  width: 100%;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in;
}

.tab-content.active {
  display: block;
}

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

/* Guide Styles */
.guide-container {
  max-width: 50rem;
  text-align: left;
}

.guide-intro {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--bg-color);
  border-radius: var(--border-radius);
  text-align: center;
}

.guide-section {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--bg-color);
  border-radius: var(--border-radius);
}

.guide-section h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide-list {
  list-style: none;
  padding: 0;
}

.guide-list li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.guide-list li i {
  color: var(--secondary-color);
  min-width: 1.2rem;
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--box-bg-color);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.step-number {
  background: var(--primary-color);
  color: var(--text-light-color);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  margin: 0 0 0.5rem 0;
  color: var(--primary-color);
}

.step-content p {
  margin: 0.5rem 0;
  color: var(--text-color);
}

.external-link {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.info-box {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--text-light-color);
}

.info-box h2 {
  color: var(--text-light-color);
}

.info-box .guide-list li {
  color: var(--text-light-color);
}

.info-box .guide-list li i {
  color: #ffd700;
}

.substeps {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--secondary-2-color);
}

.substeps li {
  padding: 0.4rem 0;
  color: var(--text-color);
  position: relative;
  padding-left: 1.5rem;
}

.substeps li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

/* Video Tutorial Styles */
.video-tutorial {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--box-bg-color);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.video-tutorial h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: #000;
}

.video-container video {
  width: 100%;
  height: auto;
  display: block;
}

.video-description {
  text-align: center;
  color: var(--text-color);
  margin-top: 1rem;
  font-style: italic;
}

/* Optional Step Styles */
.optional-step {
  border-left-color: var(--secondary-color);
  background: linear-gradient(to right, rgba(118, 167, 81, 0.05), var(--box-bg-color));
}

.optional-badge {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--text-light-color);
  padding: 0.2rem 0.6rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: bold;
  margin-left: 0.5rem;
  text-transform: uppercase;
}

.note {
  margin-top: 1rem;
  padding: 0.8rem;
  background: rgba(33, 136, 56, 0.1);
  border-left: 3px solid var(--secondary-color);
  border-radius: 0.3rem;
  font-size: 0.9rem;
  color: var(--text-color);
}

.note i {
  color: var(--secondary-color);
  margin-right: 0.5rem;
}

/* Floating Video Player Styles */
.floating-video-player {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 400px;
  max-width: calc(100vw - 40px);
  background: var(--box-bg-color);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  overflow: hidden;
  animation: slideInUp 0.3s ease-out;
}

.floating-video-header {
  background: var(--primary-color);
  color: var(--text-light-color);
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: move;
}

.floating-video-header h4 {
  margin: 0;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.close-video-btn {
  background: transparent;
  border: none;
  color: var(--text-light-color);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.2rem 0.5rem;
  transition: var(--transition);
}

.close-video-btn:hover {
  color: var(--danger-color);
  transform: scale(1.1);
}

.floating-video-container {
  position: relative;
  width: 100%;
  background: #000;
}

.floating-video-container video {
  width: 100%;
  height: auto;
  display: block;
}

#open-video-btn {
  margin: 1rem 0 2rem 0;
  font-size: 1rem;
  padding: 0.8rem 1.5rem;
}

.resize-handle {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  cursor: nwse-resize;
  border-top-left-radius: var(--border-radius);
}

.resize-handle::before {
  content: "";
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  background: linear-gradient(
    135deg,
    transparent 0%,
    transparent 46%,
    var(--text-light-color) 46%,
    var(--text-light-color) 50%,
    transparent 50%,
    transparent 96%,
    var(--text-light-color) 96%
  );
}

@keyframes slideInUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Info Sidebar Styles */
.info-sidebar-toggle {
  position: fixed;
  left: 20px;
  top: 20px;
  background: var(--primary-color);
  color: var(--text-light-color);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 999;
  transition: var(--transition);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.info-sidebar-toggle.visible {
  display: flex;
}

.info-sidebar-toggle:hover {
  background: var(--primary-hover-color);
  transform: scale(1.1);
}

.info-sidebar {
  position: fixed;
  left: -450px;
  top: 0;
  width: 450px;
  height: 100vh;
  background: var(--box-bg-color);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
  z-index: 1001;
  overflow-y: auto;
  transition: left 0.3s ease-out;
}

.info-sidebar.active {
  left: 0;
}

.close-sidebar-btn {
  position: absolute;
  right: 15px;
  top: 15px;
  background: transparent;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  font-size: 1.5rem;
  padding: 0.5rem;
  transition: var(--transition);
  z-index: 10;
}

.close-sidebar-btn:hover {
  color: var(--danger-color);
  transform: scale(1.1);
}

.sidebar-content {
  padding: 2rem 1.5rem;
}

.sidebar-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
}

.sidebar-intro {
  color: var(--text-color);
  line-height: 1.6;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--bg-color);
  border-radius: var(--border-radius);
}

.sidebar-section {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-color);
  border-radius: var(--border-radius);
}

.sidebar-section h4 {
  color: var(--primary-color);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-list li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-color);
}

.sidebar-list li i {
  color: var(--secondary-color);
  min-width: 1.2rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .floating-video-player {
    width: calc(100vw - 20px);
    bottom: 10px;
    right: 10px;
  }

  .info-sidebar {
    width: 320px;
    left: -320px;
  }

  .info-sidebar-toggle {
    left: 10px;
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
}