/* ===== POLISHED SPACING & RESPONSIVENESS ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  .hero-section,
  .features-section,
  .main-app {
    padding: var(--spacing-xl) 0;
  }
}
@media (max-width: 600px) {
  .container {
    max-width: 100vw;
    padding-left: var(--spacing-xs);
    padding-right: var(--spacing-xs);
  }
  .hero-title {
    font-size: 2rem !important;
  }
  .section-title {
    font-size: 1.3rem !important;
  }
  .glass-card,
  .feature-card {
    padding: var(--spacing-lg);
  }
  .export-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  .export-secondary {
    display: flex;
    gap: var(--spacing-sm);
  }
  .btn-export {
    flex: 1;
    min-width: 0;
  }
  .preview-panel {
    margin-top: var(--spacing-lg);
  }
}
.features-grid {
  gap: var(--spacing-lg);
}
.feature-card {
  margin-bottom: var(--spacing-lg);
}
.main-app {
  padding-bottom: var(--spacing-2xl);
}
/* ===== SECTION & ELEMENT ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.7s cubic-bezier(0.23, 1.12, 0.32, 1) forwards;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: none;
  }
}
.reveal {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  animation: revealIn 0.9s cubic-bezier(0.23, 1.12, 0.32, 1) forwards;
}
@keyframes revealIn {
  0% {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
  }
  80% {
    opacity: 1;
    transform: translateY(-6px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

/* Enhanced card hover effects */
.glass-card {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.feature-card {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}
/* ===== ENHANCED MODAL & POPUP ANIMATIONS ===== */
.developer-modal,
.glass-modal .modal-content {
  box-shadow: 0 8px 40px 0 rgba(29, 185, 84, 0.15),
    0 1.5px 8px 0 rgba(0, 0, 0, 0.12);
  animation: modalPopIn 0.38s cubic-bezier(0.23, 1.12, 0.32, 1) both;
}
@keyframes modalPopIn {
  0% {
    opacity: 0;
    transform: translate(-50%, -60%) scale(0.92);
    filter: blur(2px);
  }
  60% {
    opacity: 1;
    transform: translate(-50%, -52%) scale(1.04);
    filter: blur(0.5px);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    filter: blur(0);
  }
}
.modal-backdrop.show {
  opacity: 0.7 !important;
  backdrop-filter: blur(6px) saturate(120%);
  transition: opacity 0.3s;
}
/* ===== BUTTONS: PREMIUM FEEDBACK & ANIMATION ===== */
.btn,
.btn-primary,
.btn-secondary,
.btn-export,
.nav-btn,
.btn-close {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  outline: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: background var(--transition-fast), color var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-md), var(--shadow-glow);
}
.btn-secondary {
  background: var(--glass-bg);
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-export {
  background: var(--glass-bg);
  color: var(--primary);
  border: 1.5px solid var(--primary-light);
}
.btn-close {
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-size: 1.5rem;
  padding: 0.5em 0.7em;
}
.btn:focus,
.btn-primary:focus,
.btn-secondary:focus,
.btn-export:focus,
.nav-btn:focus,
.btn-close:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-md);
}
.btn:hover,
.btn-primary:hover,
.btn-secondary:hover,
.btn-export:hover,
.nav-btn:hover,
.btn-close:hover {
  background: var(--glass-bg-hover);
  color: var(--primary-light);
  transform: translateY(-2px) scale(1.04);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.btn:active,
.btn-primary:active,
.btn-secondary:active,
.btn-export:active,
.nav-btn:active,
.btn-close:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-sm);
}
/* Ripple effect */
.btn .ripple,
.btn-primary .ripple,
.btn-secondary .ripple,
.btn-export .ripple,
.nav-btn .ripple,
.btn-close .ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 0.5s linear;
  background: rgba(29, 185, 84, 0.25);
  pointer-events: none;
  z-index: 2;
}
@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}
/* ===== MODERN NAVBAR STYLES ===== */
.navbar-modern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1.5px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  transition: background var(--transition-normal),
    box-shadow var(--transition-normal);
}
.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
}
.navbar-logo-img {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--glass-bg);
}
.navbar-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  margin-left: 0.5rem;
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.navbar-links li {
  display: flex;
}
.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}
.navbar-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}
@media (max-width: 900px) {
  .navbar-container {
    padding: var(--spacing-xs) var(--spacing-md);
  }
  .navbar-logo-text {
    font-size: 1.1rem;
  }
}
@media (max-width: 700px) {
  .navbar-links {
    display: none;
  }
  .navbar-toggle {
    display: flex;
  }
}
/* ===== MODERN LyricsCard STYLES ===== */

/* Enhanced Root Variables for Modern Design */
:root {
  /* Primary Colors */
  --primary: #1db954;
  --primary-dark: #1a9d4b;
  --primary-light: #1ed760;
  --secondary: #1ed760;

  /* Background Colors */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-darker: #010409;

  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);

  /* Text Colors */
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #656d76;
  --text-accent: #58a6ff;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1db954 0%, #1ed760 100%);
  --gradient-hero: linear-gradient(
    135deg,
    #0d1117 0%,
    #161b22 50%,
    #0d1117 100%
  );
  --gradient-glass: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 32px rgba(29, 185, 84, 0.3);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50px;

  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.35s ease-out;

  /* Typography */
  --font-primary: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", var(--font-primary);
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;

  /* Additional Shadows */
  --shadow-2xl: 0 32px 80px rgba(0, 0, 0, 0.4);
}

/* Light theme variables */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eaeef2;
  --bg-darker: #f6f8fa;
  --text-primary: #24292f;
  --text-secondary: #656d76;
  --text-muted: #8b949e;
  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-bg-hover: rgba(0, 0, 0, 0.08);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-hover: rgba(0, 0, 0, 0.15);
}

/* ===== BASE STYLES ===== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: radial-gradient(
    ellipse at top,
    var(--bg-primary) 0%,
    var(--bg-darker) 100%
  );
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--glass-border-hover);
}

/* ===== LOADING SCREEN ===== */

.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== NAVIGATION ===== */

.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--spacing-md) 0;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-primary) !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.brand-icon {
  font-size: 1.5rem;
  animation: float 6s ease-in-out infinite;
}

.brand-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-left: var(--spacing-xs);
}

.nav-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ===== HERO SECTION ===== */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: var(--spacing-2xl) 0;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0.8;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 25% 25%,
      rgba(29, 185, 84, 0.1) 0%,
      transparent 25%
    ),
    radial-gradient(
      circle at 75% 75%,
      rgba(30, 215, 96, 0.1) 0%,
      transparent 25%
    );
  background-size: 100px 100px;
  animation: float 6s ease-in-out infinite;
}

.hero-content {
  max-width: 800px;
  margin: 37px auto;
  position: relative;
  z-index: 1;
  padding-top: var(--spacing-2xl);
}

.hero-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  backdrop-filter: blur(10px);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glow 3s ease-in-out infinite alternate;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
  font-weight: 600;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-cta:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: white;
}

/* ===== FEATURES SECTION ===== */

.features-section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-8px);
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  display: block;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== MAIN APPLICATION ===== */

.main-app {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.app-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.app-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.app-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--glass-border);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.panel-icon {
  font-size: 1.125rem;
}

.preview-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.preview-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preview-btn:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

/* ===== FORM SECTIONS ===== */

.form-section {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-size: 0.975rem;
}

/* Theme Presets */
.theme-presets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--spacing-md);
}

.theme-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-btn:hover,
.theme-btn.active {
  background: var(--glass-bg-hover);
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.theme-preview {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
}

/* Dimension Controls */
.dimension-controls {
  display: grid;
  gap: var(--spacing-lg);
}

.dimension-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.dimension-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.dimension-value {
  color: var(--primary);
  font-weight: 600;
}

.modern-slider {
  width: 100%;
  height: 6px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modern-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.modern-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

/* Color Controls */
.color-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.color-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.color-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.modern-color-picker {
  width: 100%;
  height: 48px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modern-color-picker:hover {
  border-color: var(--glass-border-hover);
}

/* Input Stack */
.input-stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.modern-input-group {
  position: relative;
}

.modern-input {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-lg) 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.modern-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--glass-bg-hover);
  box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

.modern-input::placeholder {
  color: var(--text-muted);
}

.input-icon {
  position: absolute;
  left: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.125rem;
  opacity: 0.7;
}

/* Textarea */
.modern-textarea-group {
  position: relative;
}

.modern-textarea {
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
  min-height: 120px;
  transition: all var(--transition-fast);
}

.modern-textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--glass-bg-hover);
  box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

.modern-textarea::placeholder {
  color: var(--text-muted);
}

/* Export Actions */
.export-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.btn-export {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-export.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-export.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-export.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.btn-export.btn-secondary:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.export-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.keyboard-shortcuts {
  text-align: center;
  margin-top: var(--spacing-md);
}

.shortcuts-text {
  color: var(--text-muted);
  font-size: 0.8rem;
}

kbd {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.75rem;
  color: var(--text-primary);
}

/* ===== PREVIEW PANEL ===== */

.preview-container {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
}

.preview-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.preview {
  background: var(--bg-secondary);
  border-radius: 15px;
  padding: 24px;
  width: 400px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.artist-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

#artist-image {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.song-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 4px 0;
  color: var(--text-primary);
}

.song-info h4 {
  font-size: 0.975rem;
  font-weight: 400;
  margin: 0;
  color: var(--text-secondary);
}

#preview-lyrics {
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
  color: var(--text-primary);
}

.watermark {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: auto;
}

/* ===== MODALS ===== */

.developer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 9998;
  animation: fadeIn 0.3s ease-out;
}

.developer-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  z-index: 9999;
  animation: modalSlideIn 0.3s ease-out;
}

.close-btn {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

.developer-modal-content {
  text-align: center;
}

.developer-photo {
  margin-bottom: var(--spacing-lg);
}

.developer-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.developer-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.developer-role {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.developer-bio {
  text-align: left;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.developer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.developer-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.developer-link:hover {
  background: var(--glass-bg-hover);
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.link-icon {
  color: var(--text-secondary);
}

.link-text {
  font-weight: 600;
}

.link-url {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-left: auto;
}

/* Help Modal */
.glass-modal .modal-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  color: var(--text-primary);
}

.help-section {
  margin-bottom: var(--spacing-lg);
}

.help-section h6 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.shortcut-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--glass-bg);
  border-radius: var(--radius-sm);
}

/* Footer */
.foot {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.credit {
  margin: 0;
  font-size: 1rem;
}

.chinmay-link {
  background: linear-gradient(90deg, #a855f7, #ec4899, #fbbf24);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  transition: background-position 0.5s ease;
  text-decoration: none;
  font-weight: 600;
}

.chinmay-link:hover,
.chinmay-link:focus {
  background-position: right center;
  -webkit-text-fill-color: transparent !important;
  text-decoration: none !important;
}

.copyright {
  color: rgba(255, 255, 255, 0.8);
  opacity: 0.9;
  font-size: 0.95em;
}

/* ===== ANIMATIONS ===== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes glow {
  0% {
    filter: brightness(1);
  }
  100% {
    filter: brightness(1.2);
  }
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: var(--spacing-lg);
  }

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

  .app-content .row {
    flex-direction: column;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .export-secondary {
    grid-template-columns: 1fr;
  }

  .color-controls {
    grid-template-columns: 1fr;
  }

  .theme-presets {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 576px) {
  .theme-presets {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .navbar-brand .brand-text {
    display: none;
  }

  .glass-card {
    padding: var(--spacing-lg);
  }

  .developer-modal {
    padding: var(--spacing-lg);
  }
}

/* ===== ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.3);
  }
}

/* ===== MICRO INTERACTIONS & ADVANCED FEATURES ===== */

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

.theme-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.nav-btn:active {
  transform: translateY(-1px) scale(0.95);
}

.modern-input:focus,
.modern-textarea:focus {
  animation: inputFocus 0.3s ease-out;
}

.feature-card:hover .feature-icon {
  animation: iconBounce 0.6s ease-out;
}

.glass-card:hover {
  animation: cardGlow 0.5s ease-out;
}

@keyframes inputFocus {
  0% {
    box-shadow: 0 0 0 0 rgba(29, 185, 84, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(29, 185, 84, 0.1);
  }
  100% {
    box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
  }
}

@keyframes iconBounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

@keyframes cardGlow {
  0% {
    box-shadow: var(--shadow-md);
  }
  50% {
    box-shadow: var(--shadow-lg), 0 0 20px rgba(29, 185, 84, 0.1);
  }
  100% {
    box-shadow: var(--shadow-lg);
  }
}

/* Loading states */
.btn-export:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  animation: pulse 1.5s ease-in-out infinite;
}

.preview.generating {
  position: relative;
  overflow: hidden;
}

.preview.generating::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(29, 185, 84, 0.2),
    transparent
  );
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Smooth page transitions */
.page-transition {
  opacity: 0;
  transform: translateY(20px);
  animation: pageEnter 0.8s ease-out forwards;
}

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

/* Enhanced hover effects */
.social-link:hover {
  animation: socialPulse 0.6s ease-out;
}

@keyframes socialPulse {
  0% {
    transform: translateY(-2px) scale(1);
  }
  50% {
    transform: translateY(-2px) scale(1.05);
  }
  100% {
    transform: translateY(-2px) scale(1);
  }
}

/* Notification system */
.notification {
  animation: notificationSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.notification.success {
  border-left: 4px solid var(--primary);
}

.notification.error {
  border-left: 4px solid #ef4444;
}

.notification.warning {
  border-left: 4px solid #f59e0b;
}

.notification.info {
  border-left: 4px solid var(--text-accent);
}

@keyframes notificationSlideIn {
  0% {
    opacity: 0;
    transform: translateX(100%) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* Theme transition */
html {
  transition: color-scheme 0.3s ease;
}

[data-theme="light"] {
  color-scheme: light;
}

[data-theme="dark"] {
  color-scheme: dark;
}

/* Improved scrollbar for webkit */
::-webkit-scrollbar-thumb:active {
  background: var(--primary);
}

/* Enhanced focus indicators */
.theme-btn:focus-visible,
.btn-export:focus-visible,
.nav-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(29, 185, 84, 0.2);
}

/* Print styles */
@media print {
  .navbar,
  .foot,
  .controls-panel {
    display: none !important;
  }

  .preview {
    box-shadow: none !important;
    page-break-inside: avoid;
  }

  body {
    background: white !important;
    color: black !important;
  }
}