/* CSS Reset & Variable Tokens */
:root {
  --font-title: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Color Palette - Minimalist Flat Grey Theme */
  --bg-main: #ffffff;
  --bg-card: #e0e0e0;
  --border-color: transparent;

  --text-main: #1a1a1a;
  --text-muted: #666666;
  --text-dark: #888888;

  --primary: #4a4a4a;
  --primary-hover: #606060;
  --accent: #1a1a1a;
  --accent-purple: #1a1a1a;

  /* Header Theme Tokens */
  --bg-header: #ffffff;
  --text-header-logo: #1a1a1a;
  --text-header-nav: #666666;
  --text-header-nav-hover: #1a1a1a;
  --border-header: #eeeeee;

  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-neon: none;
  --shadow-purple-neon: none;

  --transition-smooth: all 0.25s ease;
}

[data-theme="dark"] {
  /* Color Palette - Minimalist Flat Grey Dark Theme */
  --bg-main: #121212;
  --bg-card: #252525;
  --border-color: transparent;

  --text-main: #f5f5f5;
  --text-muted: #aaaaaa;
  --text-dark: #777777;

  --primary: #ffffff;
  --primary-hover: #e0e0e0;
  --accent: #ffffff;
  --accent-purple: #ffffff;

  /* Header Theme Tokens - Dark */
  --bg-header: #1a1a1a;
  --text-header-logo: #ffffff;
  --text-header-nav: #aaaaaa;
  --text-header-nav-hover: #ffffff;
  --border-header: #2d2d2d;
}

/* Dark theme specific adjustments */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #252525;
  color: #f5f5f5;
}

[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
  background: #303030;
}

[data-theme="dark"] .card-tag {
  background: #2a2a2a;
  color: var(--text-muted);
}

[data-theme="dark"] .search-box input[type="text"] {
  background: #1e1e1e;
  border-color: #333333;
}

[data-theme="dark"] .search-box input[type="text"]:focus {
  border-color: #ffffff;
  background: #1e1e1e;
}




[data-theme="dark"] .btn-secondary {
  background: #2d2d2d;
  color: #f5f5f5;
}

[data-theme="dark"] .btn-secondary:hover {
  background: #3d3d3d;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}



/* Layout Container */
.container {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header Styling */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-header);
  padding: 16px 0;
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-header-logo);
  cursor: pointer;
  text-transform: uppercase;
  text-decoration: none;
}

.logo-img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-header-nav);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.nav-tab:hover,
.nav-tab.active {
  color: var(--text-header-nav-hover);
  text-decoration: none;
}

.nav-btn-discord {
  background: transparent;
  border: none;
  color: var(--text-header-nav);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 12px;
  text-decoration: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.nav-btn-discord:hover {
  background: transparent;
  color: var(--text-header-nav-hover);
}

/* ================= PAGE ROUTING (SPA) ================= */
.page-view {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  padding: 24px 0 96px 0;
}

.page-view.active {
  display: block;
  animation: fadeInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================= HOME VIEW STYLING ================= */

/* Hero Section */
.hero-section {
  padding: 24px 0 96px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: end;
}

.hero-content {
  text-align: left;
}

.hero-badge {
  display: inline-block;
  color: #777777;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-family: var(--font-title);
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--text-main);
}

.hero-content h1 strong {
  font-weight: 800;
  font-size: 60px;
  color: var(--text-main);
}

.hero-desc {
  font-size: 15.5px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-image-container {
  position: relative;
  width: 100%;
}

.hero-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-card);
}

.hero-slider-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  border-radius: 12px;
  z-index: 1;
  display: block;
}

.hero-slider-img.active {
  opacity: 1;
  z-index: 2;
}

.hero-slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.3;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.dot:hover {
  opacity: 0.6;
}

.dot.active {
  opacity: 1;
  background: var(--text-main);
  width: 24px;
  border-radius: 4px;
}

/* Features Grid Section (super-productivity style) */
.features-grid-section {
  padding-top: 40px;
  padding-bottom: 48px;
}

.features-grid-header {
  text-align: center;
  margin-bottom: 48px;
}

.features-grid-header h2 {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
  color: var(--text-main);
}

.features-grid-header p {
  color: var(--text-muted);
  font-size: 15.5px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  margin: 16px;
  gap: 16px;
}

@media (min-width: 480px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.feature-grid-card {
  background: var(--bg-card);
  padding: 18px;
  border-radius: 4px;
  transform-style: preserve-3d;
  will-change: transform;
}


.feature-card-icon {
  font-size: 28px;
  color: var(--text-main);
  margin-bottom: 0px;
}

.feature-grid-card h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 0px;
  color: var(--text-main);
}

.feature-grid-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Zig-zag Features Section */
.features-zigzag-section {
  padding-top: 48px;
}

.zigzag-row {
  display: flex;
  align-items: flex-end;
  gap: 80px;
  margin-bottom: 112px;
}

.zigzag-row:nth-child(even) {
  flex-direction: row-reverse;
}

.zigzag-image {
  flex: 1.1;
  width: 100%;
}

.video-container {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
}

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

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.4));
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 5;
}

.video-container:hover .video-controls,
.video-container:focus-within .video-controls {
  opacity: 1;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
}

.progress-filled {
  width: 0%;
  height: 100%;
  background: #ffffff;
  border-radius: 2px;
  will-change: width;
}

.zigzag-text {
  flex: 1;
}

.zigzag-number {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: #888888;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 16px;
}

.zigzag-text h2 {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text-main);
  margin-bottom: 18px;
}

.zigzag-text p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}



/* ================= GUIDE VIEW STYLING ================= */
.guide-container {
  max-width: 900px;
}

.section-header {
  margin-bottom: 48px;
}

.section-header h2 {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.guide-step-card {
  background: var(--bg-card);
  border: none;
  border-radius: 12px;
  padding: 32px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
  transition: var(--transition-smooth);
}

.guide-step-card:hover {
  background: var(--bg-card-hover);
}

.step-number {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ================= SHORTCUTS VIEW STYLING ================= */
.section-title-area {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
  gap: 24px;
  flex-wrap: wrap;
}

.title-left h2 {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.title-left p {
  color: var(--text-muted);
  font-size: 16px;
}

.search-box {
  position: relative;
  width: 320px;
  max-width: 100%;
}

.search-box input[type="text"] {
  width: 100%;
  background: #ffffff;
  border: 1px solid #dddddd;
  padding: 12px 16px 12px 42px;
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: var(--transition-smooth);
}

.search-box input[type="text"]:focus {
  border-color: #1a1a1a;
  background: #ffffff;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #888888;
  font-size: 15px;
}

/* Revamped Custom Filter Section (Buttons + Dropdowns) */
.custom-filter-section {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  padding: 12px 24px;
  border-radius: 50px;
  /* Oval shape filter bar */
  margin-bottom: 32px;
  flex-wrap: nowrap;
}

.filter-separator {
  color: var(--text-muted);
  opacity: 0.4;
  font-size: 16px;
  user-select: none;
}

/* Group 1: OS Buttons (Oval shape) */
.filter-group-os {
  display: flex;
  gap: 8px;
}

.filter-os-btn {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 30px;
  /* Oval shape button */
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

[data-theme="dark"] .filter-os-btn {
  border-color: rgba(255, 255, 255, 0.15);
}

.filter-os-btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .filter-os-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.filter-os-btn.active {
  background: var(--primary);
  color: var(--bg-main);
  border-color: var(--primary);
}

/* Group 2: Program Selector Buttons */
.filter-group-programs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 250px;
}

.program-buttons-container {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1;
  min-width: 0;
}

.program-buttons-container::-webkit-scrollbar {
  display: none;
}

.filter-prog-btn {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 30px;
  /* Oval shape button */
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.prog-btn-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
  border-radius: 2px;
}

[data-theme="dark"] .filter-prog-btn {
  border-color: rgba(255, 255, 255, 0.15);
}

.filter-prog-btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .filter-prog-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.filter-prog-btn.active {
  background: var(--primary);
  color: var(--bg-main);
  border-color: var(--primary);
}

/* Dropdown styling (More program and Lang) */
.program-dropdown-container {
  position: relative;
  flex-shrink: 0;
}

.lang-dropdown-container,
.os-dropdown-container {
  position: relative;
}

.btn-more-programs,
.btn-lang-selector,
.btn-os-selector {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 30px;
  /* Oval shape button */
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

[data-theme="dark"] .btn-more-programs,
[data-theme="dark"] .btn-lang-selector,
[data-theme="dark"] .btn-os-selector {
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-more-programs:hover,
.btn-lang-selector:hover,
.btn-os-selector:hover {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .btn-more-programs:hover,
[data-theme="dark"] .btn-lang-selector:hover,
[data-theme="dark"] .btn-os-selector:hover {
  background: rgba(255, 255, 255, 0.08);
}

.program-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg-main);
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  min-width: 180px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  padding: 6px;
  z-index: 2100;
}

.lang-dropdown-menu,
.os-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg-main);
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  min-width: 180px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  padding: 6px;
  z-index: 99;
}

[data-theme="dark"] .program-dropdown-menu,
[data-theme="dark"] .lang-dropdown-menu,
[data-theme="dark"] .os-dropdown-menu {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.program-dropdown-menu.show,
.lang-dropdown-menu.show,
.os-dropdown-menu.show {
  display: flex;
}

.prog-option-item,
.lang-option-item,
.os-option-item {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 550;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 8px;
}

.prog-dropdown-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
  border-radius: 2px;
}

.prog-option-item:hover,
.lang-option-item:hover,
.os-option-item:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-main);
}

[data-theme="dark"] .prog-option-item:hover,
[data-theme="dark"] .lang-option-item:hover,
[data-theme="dark"] .os-option-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.prog-option-item.active,
.lang-option-item.active,
.os-option-item.active {
  background: var(--primary);
  color: var(--bg-main);
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

/* Revamped Shortcut Card Layout */
.shortcut-card {
  background: var(--bg-card);
  border: none;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: auto;
  transform-style: preserve-3d;
  will-change: transform;
  transition: box-shadow 0.25s ease;
}

.shortcut-card:hover {
  background: var(--bg-card);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-main-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-body-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preset-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.card-body-header h3 {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.card-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.card-tags-area {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.card-tag {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-muted);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 500;
}

[data-theme="dark"] .card-tag {
  background: rgba(255, 255, 255, 0.08);
}

/* Dynamic Preview Drawer */
.preview-panel {
  margin-top: 14px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.03);
  padding: 14px;
  font-size: 13px;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .preview-panel {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.05);
}

.preview-loading {
  color: var(--text-muted);
  text-align: center;
  padding: 10px 0;
}

.preview-group {
  margin-bottom: 14px;
}

.preview-group:last-child {
  margin-bottom: 0;
}

.preview-group-title {
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding-bottom: 4px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

[data-theme="dark"] .preview-group-title {
  border-color: rgba(255, 255, 255, 0.1);
}

.preview-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preview-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 6px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 4px;
}

[data-theme="dark"] .preview-item {
  background: rgba(0, 0, 0, 0.2);
}

.preview-keys {
  font-family: Consolas, Monaco, monospace;
  background: var(--bg-main);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .preview-keys {
  border-color: rgba(255, 255, 255, 0.15);
}

.preview-desc {
  color: var(--text-muted);
}

/* Control Buttons Layout */
.card-footer-controls {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: 16px;
}

[data-theme="dark"] .card-footer-controls {
  border-color: rgba(255, 255, 255, 0.08);
}

.btn-toggle-preview {
  flex: 1;
  background: transparent;
  border: 1px solid var(--text-muted);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.btn-toggle-preview:hover {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .btn-toggle-preview:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn-download-new {
  background: var(--primary);
  border: 1px solid var(--primary);
  color: var(--bg-main);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

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


/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
  transition: var(--transition-smooth);
}

.btn-primary {
  background: #1a1a1a;
  color: #fff;
}

.btn-primary:hover {
  background: #333333;
}

.btn-secondary {
  background: #e0e0e0;
  color: var(--text-main);
}

.btn-secondary:hover {
  background: #d0d0d0;
}

/* Form Fields */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.required {
  color: #f87171;
}

input[type="text"],
select,
textarea {
  background: #f5f5f5;
  border: none;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 4px;
  outline: none;
  width: 100%;
  transition: var(--transition-smooth);
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  background: #e9e9e9;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23555555'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1a1a1a;
  color: #ffffff;
  border: none;
  padding: 16px 24px;
  border-radius: 4px;
  box-shadow: none;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1100;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

/* Footer Styling - Premium Upgrade */
.main-footer {
  border-top: 1px solid #eeeeee;
  padding: 60px 0 30px 0;
  background: #fcfcfc;
  color: var(--text-dark, #2d2d2d);
  transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .main-footer {
  background: #111111;
  border-top: 1px solid #222222;
  color: #a0a0a0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-brand {
  flex: 1 1 300px;
  max-width: 450px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title), sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

[data-theme="dark"] .footer-logo {
  color: var(--text-main);
}

.footer-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.footer-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-muted, #666666);
}

[data-theme="dark"] .footer-desc {
  color: #8c8c8c;
}

.footer-nav-groups {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-nav-group {
  min-width: 120px;
}

.footer-nav-group h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dark, #2d2d2d);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

[data-theme="dark"] .footer-nav-group h4 {
  color: #e5e5e5;
}

.footer-nav-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-group ul li a {
  font-size: 13px;
  color: var(--text-muted, #666666);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

[data-theme="dark"] .footer-nav-group ul li a {
  color: #8c8c8c;
}

.footer-nav-group ul li a:hover {
  color: var(--text-main);
  text-decoration: underline;
  transform: translateX(3px);
}

[data-theme="dark"] .footer-nav-group ul li a:hover {
  color: var(--text-main);
}

.footer-divider {
  border: 0;
  height: 1px;
  background: #eeeeee;
  margin: 0 0 25px 0;
}

[data-theme="dark"] .footer-divider {
  background: #222222;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: var(--text-muted, #888888);
}

[data-theme="dark"] .footer-bottom {
  color: #666666;
}

.footer-bottom .copyright {
  margin: 0;
}

.footer-bottom .powered-by {
  margin: 0;
  font-size: 12px;
  opacity: 0.8;
}

/* Empty State / Loading State */
.loading-state,
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 0;
  color: var(--text-muted);
}

.loading-state i,
.empty-state i {
  font-size: 40px;
  color: var(--primary);
  margin-bottom: 16px;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    text-align: center;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 14.5px;
    margin-bottom: 28px;
  }

  .hero-actions {
    justify-content: center;
    gap: 10px;
  }

  .zigzag-row,
  .zigzag-row:nth-child(even) {
    flex-direction: column !important;
    align-items: center !important;
    gap: 32px;
    margin-bottom: 72px;
    text-align: center;
  }

  .zigzag-text h2 {
    font-size: 24px;
  }

  .bug-form-card {
    padding: 24px;
  }

  .features-grid-section {
    padding: 48px 0;
  }

  .features-grid-header {
    margin-bottom: 32px;
  }

  .features-grid-header h2 {
    font-size: 26px;
  }

  .feature-grid-card {
    padding: 24px;
  }

  .header-container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section-title-area {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .form-row {
    flex-direction: column;
    gap: 20px;
  }

  .guide-step-card {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
  }
}

/* ================= SHORTCUT PREVIEW MODAL ================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  animation: fadeIn 0.25s ease-out forwards;
}

[data-theme="dark"] .modal-overlay {
  background: rgba(0, 0, 0, 0.6);
}

.modal-content {
  background: var(--bg-main);
  border-radius: 16px;
  width: 100%;
  max-width: 700px;
  max-height: 85vh;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 0, 0, 0.08);
  animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  overflow: hidden;
}

[data-theme="dark"] .modal-content {
  background: var(--bg-main);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .modal-header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.modal-header h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-main);
}

[data-theme="dark"] .modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.modal-body {
  padding: 8px 20px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  flex: 1;
}

/* Modal tags/tabs (Danbi style tag buttons on top) */
.modal-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.modal-tag-btn {
  background: #cccccc;
  border: 1px solid #b5b5b5;
  color: #111111;
  padding: 4px 10px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

[data-theme="dark"] .modal-tag-btn {
  background: var(--bg-card);
  border-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.modal-tag-btn:hover {
  background: #d8d8d8;
  color: var(--text-main);
}

[data-theme="dark"] .modal-tag-btn:hover {
  background: #2b2b2b;
  color: var(--text-main);
}

.modal-tag-btn.active {
  background: var(--primary);
  color: var(--bg-main);
  border-color: var(--primary);
}

/* Modal list container (Shortcuts list at bottom) */
.modal-list-container {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 4px;
  -ms-overflow-style: none;
  /* IE and Edge */
  scrollbar-width: none;
  /* Firefox */
}

.modal-list-container::-webkit-scrollbar {
  display: none;
  /* Chrome, Safari, Opera */
}

.modal-list-container .preview-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  background: #cccccc;
  border-radius: 8px;
  border: 1px solid #b5b5b5;
  transition: var(--transition-smooth);
}

.modal-list-container .preview-item:hover {
  transform: translateY(-1px);
}

.modal-list-container .preview-keys {
  font-family: Consolas, Monaco, monospace;
  background: var(--bg-main);
  color: var(--text-main);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.05), inset 0 -1px 0 rgba(0, 0, 0, 0.08);
  border: 1px solid #d1d1d1;
  white-space: nowrap;
}

[data-theme="dark"] .modal-list-container .preview-item {
  background: var(--bg-card);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .modal-list-container .preview-keys {
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3), inset 0 -1px 0 rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--bg-main);
}

.modal-list-container .preview-desc {
  color: var(--text-main);
  font-size: 13px;
  font-weight: 550;
  text-align: right;
  padding-left: 16px;
}

.modal-list-container .preview-loading,
.modal-list-container .preview-empty,
.modal-list-container .preview-error {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.modal-list-container .preview-loading i {
  margin-right: 8px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-title-count {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 6px;
}

/* Card & Modal Program Icon Styling */
.card-body-header h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex-shrink: 0;
}

.modal-header h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-title-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}

/* Modal Title Container & Meta Tags */
.modal-title-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.modal-meta-tag {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted, #777777);
}

[data-theme="dark"] .modal-meta-tag {
  color: #a0a0a0;
}

/* Modal Download Button & Actions */
.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: 8px;
}

.btn-modal-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: var(--bg-main);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-modal-download:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-modal-download {
  background: var(--primary);
  color: var(--bg-main);
}

[data-theme="dark"] .btn-modal-download:hover {
  background: var(--primary-hover);
  color: var(--bg-main);
}

/* Header Language Selector Dropdown */
.header-lang-container {
  position: relative;
  display: inline-block;
}

.header-lang-btn {
  background: transparent;
  border: none;
  color: var(--text-header-nav);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.header-lang-btn:hover {
  color: var(--text-header-nav-hover);
}

.header-lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-main);
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  min-width: 140px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  padding: 6px;
  z-index: 1000;
}

[data-theme="dark"] .header-lang-menu {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.header-lang-menu.show {
  display: flex;
}

.header-lang-option {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.header-lang-option:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-main);
}

[data-theme="dark"] .header-lang-option:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.header-lang-option.active {
  background: var(--primary);
  color: var(--bg-main);
}

/* Scroll Progress Bar Style */
.scroll-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--text-muted));
  z-index: 101;
  transition: width 0.05s linear;
}

/* Floating Scroll-to-Top Button Style */
.scroll-top-fixed-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid rgba(0, 0, 0, 0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease, color 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-top-fixed-btn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-fixed-btn:hover {
  background: var(--primary);
  color: var(--bg-main);
  transform: translateY(-2px) scale(1.05);
}

[data-theme="dark"] .scroll-top-fixed-btn {
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Screen Reader Only (Invisible to users, visible to SEO robots) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hero Short Description Styles */
.hero-desc-short {
  font-family: var(--font-main);
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 700px;
}