/* Global Styles & Variables */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-color: #06b6d4;
  --accent-hover: #0891b2;
  --accent-glow: rgba(6, 182, 212, 0.2);
  
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  
  --success-color: #10b981;
  --success-hover: #059669;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-radius: 12px;
  --transition-speed: 0.2s;
  
  --font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header bar */
header {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(to right, #06b6d4, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
}

.user-info strong {
  color: var(--accent-color);
}

.btn-logout {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all var(--transition-speed);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
  border-color: rgba(239, 68, 68, 0.2);
}

/* Auth Cards Layout */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  padding: 40px 20px;
  background: radial-gradient(circle at top right, rgba(6, 182, 212, 0.08), transparent 40%),
              radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.08), transparent 40%);
}

.auth-card {
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

.auth-card h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
  font-weight: 700;
  text-align: center;
}

.auth-card p.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 32px;
  text-align: center;
}

/* Forms and Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-speed);
}

input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Buttons styling */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition-speed);
  font-family: inherit;
  gap: 8px;
}

button:active,
.btn:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

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

.btn-secondary:hover {
  background: #475569;
}

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

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

.btn-success {
  background: var(--success-color);
  color: #fff;
}

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

/* Dashboard Grid Layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 280px 280px 1fr;
  flex: 1;
  height: calc(100vh - 65px);
  overflow: hidden;
}

@media (max-width: 1024px) {
  .dashboard-layout {
    grid-template-columns: 250px 1fr;
  }
  .dashboard-layout > section:nth-child(2) {
    display: none; /* Collapsed view or nested */
  }
}

/* Sidebar Sections */
.sidebar-section {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.sidebar-content {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
}

/* Card Lists (Profiles / Tabs) */
.list-card {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 14px;
  margin-bottom: 12px;
  transition: all var(--transition-speed);
}

.list-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(15, 23, 42, 0.6);
}

.list-card.active {
  border-color: var(--accent-color);
  background: rgba(6, 182, 212, 0.05);
  box-shadow: inset 0 0 10px rgba(6, 182, 212, 0.05);
}

.list-card .title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
  word-break: break-all;
}

.list-card .meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  word-break: break-all;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-card .actions {
  display: flex;
  gap: 8px;
}

.list-card button {
  padding: 6px 12px;
  font-size: 0.75rem;
  border-radius: 6px;
}

/* Badge tags */
.badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-color);
}

.badge-muted {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-secondary);
}

/* Main Viewport Content Area */
.main-content {
  background: #090d16;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.main-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Dynamic Remote Screen Container */
.screen-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow: hidden;
  background: radial-gradient(circle at center, #111827, #030712);
}

.screen-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

#screen {
  max-width: 100%;
  max-height: 100%;
  display: block;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: crosshair;
  background: #000;
  outline: none;
}

#screen:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

/* Placeholder card when empty */
.placeholder-view {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
  text-align: center;
  padding: 40px;
}

.placeholder-view h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.placeholder-view p {
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.6;
}

/* Small navigation helper toolbar */
.navigation-bar {
  display: flex;
  gap: 12px;
  width: 100%;
}

.navigation-bar input {
  flex: 1;
}

.navigation-bar button {
  flex-shrink: 0;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.show .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-speed);
}

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

.extension-list {
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
  padding: 8px;
}

.extension-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
}

.extension-item:last-child {
  margin-bottom: 0;
}

.extension-name {
  font-size: 0.9rem;
  font-weight: 600;
  word-break: break-all;
}

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  background: rgba(15, 23, 42, 0.2);
  position: relative;
}

.upload-zone:hover {
  border-color: var(--accent-color);
  background: rgba(6, 182, 212, 0.05);
}

.upload-zone input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-zone-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.upload-zone-text strong {
  color: var(--accent-color);
}

.upload-status {
  margin-top: 12px;
  font-size: 0.85rem;
  text-align: center;
  display: none;
}

.upload-status.info {
  color: var(--accent-color);
  display: block;
}

.upload-status.success {
  color: var(--success-color);
  display: block;
}

.upload-status.error {
  color: var(--danger-color);
  display: block;
}