:root {
  --bg-primary: #090d16;
  --bg-secondary: #111726;
  --bg-tertiary: #192239;
  --border-color: #222e4d;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent-color: #3b82f6;
  --accent-success: #10b981;
  --accent-danger: #ef4444;
  --accent-warning: #f59e0b;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bg-tertiary);
}

/* Layout Containers */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.app-header {
  height: 60px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 10;
  box-shadow: var(--shadow);
}

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

.logo-icon {
  font-size: 20px;
}

.header-logo h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.server-status {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-primary);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-indicator.online {
  background-color: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
}

.status-indicator.offline {
  background-color: var(--accent-danger);
}

.status-text {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* App Body Layout */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - 200px); /* Account for header and terminal height */
}

/* Sidebar Navigation */
.app-sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 20px 12px;
  overflow-y: auto;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  gap: 12px;
}

.nav-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--accent-color);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.nav-label {
  flex: 1;
}

.badge {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.nav-item.active .badge {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: transparent;
}

/* Main Content Area */
.app-main {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  background-color: var(--bg-primary);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.content-header h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-description {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
  max-width: 800px;
}

/* Cards & Containers */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.form-card {
  max-width: 680px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

input[type="text"],
input[type="number"],
input[type="tel"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

textarea {
  resize: vertical;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  gap: 8px;
}

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

.btn-primary:hover {
  background-color: #2563eb;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-danger {
  background-color: var(--accent-danger);
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

.btn-block {
  display: flex;
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 6px;
}

.btn-large {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-icon {
  background: transparent;
  border: none;
  font-size: 16px;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background-color: var(--bg-tertiary);
}

/* Tables & Lists */
.table-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

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

.table-container {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background-color: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr.selected {
  background-color: rgba(59, 130, 246, 0.05);
}

.text-right {
  text-align: right;
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 0 !important;
  font-style: italic;
}

/* Emoji Selection Grid */
.emoji-selector {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  background-color: var(--bg-tertiary);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.emoji-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.emoji-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.emoji-option span {
  font-size: 24px;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
  display: inline-block;
  text-align: center;
  width: 100%;
}

.emoji-option input:checked + span {
  background-color: var(--accent-color);
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.35);
  transform: scale(1.1);
}

.emoji-option:hover span {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Live Stream Grid */
.live-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
}

.streams-list-container {
  max-height: 380px;
  overflow-y: auto;
}

.streams-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stream-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stream-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stream-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.stream-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.stream-pill {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 11px;
}

/* App Terminal / Logs */
.app-terminal {
  height: 180px;
  background-color: #05070c;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 10;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.3);
  transition: var(--transition);
}

.app-terminal.collapsed {
  height: 40px;
}

.terminal-header {
  height: 40px;
  background-color: #090d16;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.terminal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.terminal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-body {
  flex: 1;
  padding: 12px 16px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

.app-terminal.collapsed .terminal-body {
  display: none;
}

.log-line {
  margin-bottom: 4px;
  word-break: break-all;
}

.log-line.system {
  color: #60a5fa;
}

.log-line.success {
  color: var(--accent-success);
}

.log-line.error {
  color: var(--accent-danger);
}

.log-line.info {
  color: var(--text-secondary);
}

.log-line.warning {
  color: var(--accent-warning);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

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

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 480px;
  max-width: 95%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal.active .modal-content {
  transform: scale(1);
}

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

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
}

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

.modal-body {
  padding: 24px;
}

.modal-instruction {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.4;
}

.modal-instruction a {
  color: var(--accent-color);
  text-decoration: none;
}

.modal-instruction a:hover {
  text-decoration: underline;
}

.login-step {
  display: none;
}

.login-step.active {
  display: block;
}

/* Spinner / Loading CSS */
.login-status-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 0;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(59, 130, 246, 0.1);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.status-msg {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  margin-top: 16px;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--accent-danger);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .live-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-body {
    flex-direction: column;
  }
  .app-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    height: auto;
    overflow-y: visible;
  }
  .nav-menu {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .nav-item {
    width: auto;
    white-space: nowrap;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}