:root {
  /* Color System */
  --bg-primary: #0a0e17;
  --bg-secondary: #121824;
  --panel-bg: rgba(22, 30, 46, 0.65);
  --panel-border: rgba(255, 255, 255, 0.06);
  --border-focus: #ff7e5f;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #475569;
  
  /* Neon Status Colors */
  --accent-orange: #ff7e5f;
  --accent-rose: #feb47b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  /* Font Family */
  --font-main: 'Noto Sans KR', 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  /* Transitions & Shadows */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-neon: 0 0 20px rgba(255, 126, 95, 0.3);
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

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

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

/* Glowing Background Orbs */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  z-index: -1;
  opacity: 0.12;
  pointer-events: none;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-orange) 0%, var(--accent-rose) 100%);
  top: -100px;
  right: -50px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #f43f5e 0%, #a855f7 100%);
  bottom: 100px;
  left: -100px;
}

/* Container */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* Header */
.glass-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  background: rgba(22, 30, 46, 0.45);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-card);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.back-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  transform: translateX(-2px);
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(255, 126, 95, 0.4));
}

.text-orange {
  color: var(--accent-orange);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 50%, var(--accent-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.engine-sub {
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.btn-back-dashboard {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-back-dashboard:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* Workspace Layout */
.workspace {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* Panel Design */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  height: 650px;
  display: flex;
  flex-direction: column;
}

.control-panel {
  justify-content: flex-start;
}

.result-panel {
  position: relative;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.panel-header i {
  color: var(--accent-orange);
  font-size: 1.25rem;
  filter: drop-shadow(0 0 5px rgba(255, 126, 95, 0.4));
}

.panel-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* Forms & Inputs */
.extractor-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.required {
  color: var(--color-danger);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-icon i {
  position: absolute;
  left: 1rem;
  color: var(--text-dark);
  transition: var(--transition-smooth);
}

input[type="url"] {
  width: 100%;
  padding: 1rem 1rem 1rem 2.75rem;
  background-color: rgba(10, 14, 23, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

input:focus {
  outline: none;
  border-color: var(--border-focus);
  background-color: rgba(10, 14, 23, 0.8);
  box-shadow: 0 0 15px rgba(255, 126, 95, 0.15);
}

input:focus + i {
  color: var(--accent-orange);
}

.input-tip {
  font-size: 0.75rem;
  color: var(--text-dark);
  line-height: 1.4;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  width: 100%;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-rose) 100%);
  color: #000;
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 0 25px rgba(255, 126, 95, 0.45);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.btn-secondary:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.divider {
  border: 0;
  height: 1px;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
  margin: 2rem 0;
}

/* Guide box */
.guide-box {
  background-color: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  padding: 1.25rem;
  margin-top: auto;
}

.guide-box h3 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-orange);
}

.guide-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.guide-box li {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.guide-box li strong {
  color: var(--text-main);
}

/* Status Indicator */
.editor-status {
  margin-left: auto;
  font-size: 0.75rem;
  background-color: rgba(255, 126, 95, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 126, 95, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-orange);
  border-radius: 50%;
  display: inline-block;
}

.pulse {
  animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
  0% { box-shadow: 0 0 0 0 rgba(255, 126, 95, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(255, 126, 95, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 126, 95, 0); }
}

/* Placeholders & Loaders */
.placeholder-view,
.loading-view {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  padding: 3rem;
}

.placeholder-icon {
  font-size: 4rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 15px rgba(255,255,255,0.02));
}

.placeholder-view p,
.loading-view p {
  font-size: 0.95rem;
}

.loader {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 126, 95, 0.1);
  border-top-color: var(--accent-orange);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.55, 0.085, 0.68, 0.53) infinite;
  margin-bottom: 1.5rem;
}

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

/* Results Content */
.results-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.video-meta {
  background-color: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

#extracted-page-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sources-container {
  flex-grow: 1;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
}

.sources-container::-webkit-scrollbar {
  width: 6px;
}

.sources-container::-webkit-scrollbar-track {
  background: transparent;
}

.sources-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.sources-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.1);
}

.sources-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.sources-table th,
.sources-table td {
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}

.sources-table th {
  background-color: rgba(255, 255, 255, 0.01);
  color: var(--text-muted);
  font-weight: 500;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.sources-table tr {
  transition: var(--transition-smooth);
}

.sources-table tr:hover {
  background-color: rgba(255, 255, 255, 0.015);
}

/* Badges for formats */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-mp4 {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-hls {
  background-color: rgba(255, 126, 95, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 126, 95, 0.2);
}

.badge-dash {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.source-url {
  font-family: monospace;
  color: var(--text-muted);
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-download-action {
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  border-radius: 8px;
  width: auto;
}

/* Conversion Overlay modal style */
.conversion-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 23, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  animation: fadeIn 0.3s forwards;
}

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

.overlay-card {
  width: 90%;
  max-width: 450px;
  padding: 2.5rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  background-color: rgba(22, 30, 46, 0.9);
}

.overlay-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.spinner-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.big-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(255, 126, 95, 0.05);
  border-top-color: var(--accent-orange);
  border-bottom-color: var(--accent-rose);
  border-radius: 50%;
  animation: spin 1.2s cubic-bezier(0.5, 0.1, 0.5, 0.9) infinite;
}

.progress-info {
  margin-bottom: 1.5rem;
}

#overlay-progress-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(255,255,255,0.02);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(to right, var(--accent-orange), var(--accent-rose));
  border-radius: 10px;
  transition: width 0.4s ease;
  box-shadow: 0 0 8px var(--accent-orange);
}

.speed-info {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.speed-info strong {
  color: var(--text-main);
}

/* Toast styling */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 1000;
}

.toast {
  background: rgba(18, 24, 36, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 320px;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 4px;
}

.toast-success::before { background-color: var(--color-success); }
.toast-success i { color: var(--color-success); }

.toast-warning::before { background-color: var(--color-warning); }
.toast-warning i { color: var(--color-warning); }

.toast-error::before { background-color: var(--color-danger); }
.toast-error i { color: var(--color-danger); }

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

.toast.fade-out {
  animation: slideOut 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* Responsive adjustments */
@media (max-width: 1024px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .panel {
    height: auto;
    min-height: 450px;
  }
}

.hidden {
  display: none !important;
}