:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --bg-card: #18181b;
  --bg-card-hover: #202024;
  --bg-input: #141416;
  --border-color: #27272a;
  --border-hover: #3f3f46;
  --border-focus: #71717a;
  
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --btn-primary-bg: #e4e4e7;
  --btn-primary-text: #09090b;
  --btn-primary-hover: #ffffff;
  
  --btn-secondary-bg: #27272a;
  --btn-secondary-text: #f4f4f5;
  --btn-secondary-hover: #3f3f46;

  --btn-danger-bg: #2b1d1d;
  --btn-danger-border: #452222;
  --btn-danger-text: #f87171;
  --btn-danger-hover: #3b2424;

  --status-online: #71717a;
  --radius: 8px;
  --transition: all 0.15s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

body.in-session {
  overflow: hidden;
  background: #000;
}

/* App Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.75rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text h1 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  background: #18181b;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #52525b;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  color: #fff;
  background: var(--bg-card);
  border-color: var(--border-hover);
}

/* Main Layout */
.main-container {
  max-width: 1080px;
  margin: 2rem auto;
  padding: 0 1.25rem;
}

.grid-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 850px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: -0.1px;
}

.card-title .icon-text {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 0.75rem;
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

input, select, textarea {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox-group input {
  width: auto;
  accent-color: #52525b;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

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

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

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--btn-secondary-hover);
  border-color: var(--border-hover);
}

.btn-danger {
  background: var(--btn-danger-bg);
  color: var(--btn-danger-text);
  border-color: var(--btn-danger-border);
}

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

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 8px;
}

/* Profiles */
.profile-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 420px;
  overflow-y: auto;
}

.profile-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: var(--transition);
}

.profile-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.profile-info {
  display: flex;
  flex-direction: column;
}

.profile-host {
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--text-primary);
}

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

.profile-actions {
  display: flex;
  gap: 6px;
}

.profile-actions .btn-sm {
  padding: 5px 9px;
  font-size: 0.75rem;
  border-radius: 4px;
}

/* Active Session Screen */
#session-container {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #000;
  z-index: 1000;
  overflow: hidden;
  touch-action: none;
}

#session-container.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

#vnc-screen {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  outline: none;
  overflow: hidden;
}

#vnc-screen canvas, #rdp-canvas {
  background: #000;
  outline: none;
  cursor: default;
}

/* Floating Top Toolbar */
.floating-toolbar {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%) translateY(-70%);
  background: #18181b;
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0.35;
  z-index: 1100;
}

.floating-toolbar:hover, .floating-toolbar.pinned {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toolbar-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--text-secondary);
  padding-right: 8px;
  border-right: 1px solid var(--border-color);
}

.toolbar-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 5px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}

.toolbar-btn:hover {
  background: var(--btn-secondary-hover);
  border-color: var(--border-hover);
}

.toolbar-btn.btn-danger-tool:hover {
  background: var(--btn-danger-bg);
  border-color: var(--btn-danger-border);
  color: var(--btn-danger-text);
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 90%;
  max-width: 480px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.modal-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 3000;
}

.toast {
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.82rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.2s ease;
}

.toast.success {
  border-color: #3f3f46;
}

.toast.error {
  border-color: #582828;
  color: #fca5a5;
}

@keyframes slideIn {
  from {
    transform: translateY(10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}