/* ===================================
   BEYOND CLOUD TECHNOLOGY - PREMIUM DESIGN SYSTEM
   =================================== */

:root {
  /* Dark Theme (Default) */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-glass: rgba(30, 41, 59, 0.7);
  --bg-input: rgba(15, 23, 42, 0.6);
  --bg-input-focus: rgba(15, 23, 42, 0.8);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-focus: #6366f1;

  --accent-primary: #6366f1;
  --accent-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.5);

  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;

  /* Gradients */
  --gradient-bg-1: rgba(99, 102, 241, 0.15);
  --gradient-bg-2: rgba(139, 92, 246, 0.15);
  --gradient-title: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);

  /* Spacing & Borders */
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-input: #ffffff;
  --bg-input-focus: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: rgba(0, 0, 0, 0.1);
  --border-color-focus: #6366f1;

  --gradient-bg-1: rgba(99, 102, 241, 0.08);
  --gradient-bg-2: rgba(139, 92, 246, 0.08);
  --gradient-title: linear-gradient(135deg, #0f172a 0%, #334155 100%);
}

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

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Animation */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 15% 50%,
      var(--gradient-bg-1) 0%,
      transparent 25%),
    radial-gradient(circle at 85% 30%,
      var(--gradient-bg-2) 0%,
      transparent 25%);
  z-index: -1;
  pointer-events: none;
  transition: background 0.3s ease;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-sm);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
}

.youtube-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  background: rgba(255, 0, 0, 0.1);
  border: 1px solid rgba(255, 0, 0, 0.3);
  border-radius: var(--radius-md);
  color: #ff6b6b;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.youtube-link:hover {
  background: rgba(255, 0, 0, 0.2);
  border-color: rgba(255, 0, 0, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
}

.youtube-icon {
  width: 20px;
  height: 20px;
}

/* Panel */
.panel {
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: background 0.3s ease, border-color 0.3s ease;
}

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

.panel-icon {
  font-size: 2rem;
}

.panel-title {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

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

label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

input,
select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: var(--bg-input-focus);
}

/* Password Toggle */
.password-input-wrapper {
  position: relative;
  display: flex;
}

.password-input-wrapper input {
  width: 100%;
  padding-right: 3rem;
}

.toggle-password {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 3rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-password:hover {
  color: var(--text-primary);
}

/* Button */
.btn {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg,
      var(--accent-primary),
      var(--accent-hover));
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.6);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.5);
}

.btn-secondary:active {
  transform: translateY(0);
}

.form-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: var(--spacing-md);
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Alerts */
.alert {
  margin-top: var(--spacing-md);
  padding: 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: start;
  gap: 1rem;
  font-size: 0.9rem;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

/* Results */
.results-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeIn 0.4s ease-out;
}

.hidden {
  display: none;
}

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

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

.status-message {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-weight: 600;
  text-align: center;
}

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

.status-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
}

.log-output {
  background: #000;
  color: #10b981;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: pre-wrap;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Loading Spinner */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* Footer */
.footer {
  margin-top: auto;
  text-align: center;
  padding-top: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer p {
  margin-bottom: 0.5rem;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.github-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.github-icon {
  width: 18px;
  height: 18px;
}/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Preset Selector */
.preset-selector {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
}

.preset-selector label {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.preset-selector select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--accent-primary);
}

/* History Panel */
.history-panel {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-height: 400px;
    overflow-y: auto;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.history-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.clear-history-btn {
    padding: 0.4rem 0.8rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: var(--radius-sm);
    color: var(--error);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-history-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

.history-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.history-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.history-item-host {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
}

.history-item-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-item-details {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.history-item-status {
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.history-item-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.history-item-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.history-empty {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-style: italic;
}

/* Error Tips */
.error-tips {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.05);
    border-left: 3px solid var(--error);
    border-radius: var(--radius-sm);
}

.error-tips-title {
    font-weight: 600;
    color: var(--error);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.error-tips ul {
    margin-left: 1.2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.error-tips li {
    margin-bottom: 0.3rem;
}

.error-tips a {
    color: var(--accent-primary);
    text-decoration: none;
}

.error-tips a:hover {
    text-decoration: underline;
}

/* Scrollbar Styling */
.history-panel::-webkit-scrollbar,
.log-output::-webkit-scrollbar {
    width: 8px;
}

.history-panel::-webkit-scrollbar-track,
.log-output::-webkit-scrollbar-track {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
}

.history-panel::-webkit-scrollbar-thumb,
.log-output::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

.history-panel::-webkit-scrollbar-thumb:hover,
.log-output::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}