/**
 * SpeedInfer Component Styles & Layout
 */

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--primary-hover);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ==========================================================================
   App Shell Layout
   ========================================================================== */
#app-root {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: var(--bg-base);
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  height: 100%;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  z-index: 100;
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: var(--text-2xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  user-select: none;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--bg-card);
  color: var(--primary);
  border-color: var(--border-subtle);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke-width: 2;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-4);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cluster-status-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
}

.status-dot-container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s infinite ease-in-out;
}

.status-dot.offline {
  background-color: var(--danger);
  box-shadow: 0 0 8px var(--danger);
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

/* Main Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

/* Topbar Header */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  flex-shrink: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.balance-pill {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.balance-amount {
  color: var(--success);
  font-family: var(--font-mono);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-email {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* View Container */
.view-viewport {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.view-content-wrapper {
  max-width: var(--max-content-width);
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* ==========================================================================
   Page Headers & Action Bars
   ========================================================================== */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.view-header-text h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.view-header-text p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.view-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ==========================================================================
   Cards & Metrics Grid
   ========================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-default);
  box-shadow: var(--shadow-md);
}

.metric-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}

.metric-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
}

.metric-footer {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ==========================================================================
   Buttons & Inputs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
}

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

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  box-shadow: 0 0 12px var(--primary-glow);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-default);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-border);
}
.btn-danger:hover:not(:disabled) {
  background-color: var(--danger);
  color: #ffffff;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-icon {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}
.btn-icon:hover {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--border-glow);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--text-sm);
}

.data-table th {
  background-color: var(--bg-surface);
  color: var(--text-muted);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: capitalize;
}

.badge-active {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-revoked {
  background-color: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.badge-expired {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

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

/* Code Snippet Box & Masked Key */
.masked-key-container {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--bg-base);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}
.copy-btn:hover {
  color: var(--primary);
}

/* ==========================================================================
   Chat Playground View
   ========================================================================== */
.playground-layout {
  display: flex;
  gap: var(--space-6);
  height: calc(100vh - var(--header-height) - var(--space-12));
}

.playground-controls {
  width: 320px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  overflow-y: auto;
  flex-shrink: 0;
}

.playground-main {
  flex: 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.playground-header {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface);
}

.chat-thread {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.chat-message {
  display: flex;
  gap: var(--space-4);
  max-width: 85%;
  animation: fadeIn 0.2s ease-in;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-message.assistant {
  align-self: flex-start;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
  font-size: var(--text-xs);
}

.chat-avatar.user-avatar {
  background-color: var(--primary);
  color: #ffffff;
}

.chat-avatar.assistant-avatar {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--primary);
}

.chat-bubble-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.chat-bubble {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-message.user .chat-bubble {
  background-color: var(--primary);
  color: #ffffff;
  border-bottom-right-radius: var(--radius-sm);
}

.chat-message.assistant .chat-bubble {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-bottom-left-radius: var(--radius-sm);
}

.stream-cursor {
  display: inline-block;
  width: 2px;
  height: 14px;
  background-color: var(--primary);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 0.8s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.message-metrics-tag {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-2xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.metric-pill {
  background-color: var(--bg-base);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.metric-pill strong {
  color: var(--text-secondary);
}

/* Playground Input Bar */
.playground-input-container {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.quick-prompts-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: 2px;
}

.quick-prompt-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: var(--text-2xs);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.quick-prompt-chip:hover {
  border-color: var(--primary);
  color: var(--text-primary);
  background-color: rgba(59, 130, 246, 0.08);
}

.input-box-wrapper {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  min-height: 48px;
  max-height: 160px;
  resize: none;
  background-color: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--text-primary);
  font-size: var(--text-sm);
  line-height: 1.4;
  outline: none;
}

.chat-input:focus {
  border-color: var(--primary);
}

/* ==========================================================================
   Modals & Overlays
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: var(--space-4);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(16px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-header {
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.modal-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background-color: var(--bg-surface);
}

.alert-banner {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  line-height: 1.5;
}

.alert-warning {
  background-color: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning);
}

.alert-danger {
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
}

.alert-success {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
}

.secret-key-display {
  background-color: var(--bg-base);
  border: 1px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-primary);
  word-break: break-all;
  user-select: all;
}

/* ==========================================================================
   Toasts Notification System
   ========================================================================== */
#toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 2000;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 420px;
  animation: slideInRight 0.25s ease-out;
}

.toast-success {
  border-color: var(--success);
}
.toast-error {
  border-color: var(--danger);
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Auth / Login / Register Page Layout
   ========================================================================== */
.auth-page-container {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.12) 0%, rgba(7, 10, 18, 0.98) 70%);
  padding: var(--space-4);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.auth-header {
  text-align: center;
}

.auth-header h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: var(--space-3);
}

.auth-header p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.auth-tabs {
  display: flex;
  background-color: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 3px;
  border: 1px solid var(--border-subtle);
}

.auth-tab-btn {
  flex: 1;
  padding: var(--space-2);
  text-align: center;
  background: none;
  border: none;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.auth-tab-btn.active {
  background-color: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.billing-topup { display:flex; align-items:center; justify-content:space-between; gap:var(--space-6); margin:var(--space-5) 0; padding:var(--space-6); overflow:hidden; position:relative; }
.billing-topup::after { content:""; position:absolute; width:260px; height:260px; right:-130px; top:-150px; border-radius:50%; background:radial-gradient(circle, rgba(120,95,255,.16), transparent 68%); pointer-events:none; }
.billing-topup h2 { font-size:var(--text-xl); margin:var(--space-2) 0; }
.billing-topup p { color:var(--text-secondary); max-width:520px; margin:0; }
.billing-packages { display:grid; grid-template-columns:repeat(2, minmax(130px, 1fr)); gap:10px; min-width:300px; position:relative; z-index:1; }
.billing-package { text-align:left; border:1px solid var(--border-subtle); background:var(--bg-input); padding:14px; border-radius:var(--radius-md); color:var(--text-primary); cursor:pointer; transition:transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast); }
.billing-package:hover { transform:translateY(-2px); border-color:var(--accent); background:var(--bg-card); }
.billing-package.featured { border-color:var(--accent); box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 32%, transparent); }
.billing-package span,.billing-package small,.billing-package b { display:block; }
.billing-package span { font-size:10px; letter-spacing:.08em; color:var(--text-muted); }
.billing-package strong { display:block; font-size:var(--text-xl); margin:3px 0; }
.billing-package small { color:var(--text-secondary); }
.billing-package b { color:var(--accent); font-size:11px; margin-top:9px; }
.billing-loading { color:var(--text-muted); font-size:var(--text-sm); }
@media (max-width: 780px) { .billing-topup { align-items:flex-start; flex-direction:column; } .billing-packages { width:100%; min-width:0; } }

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-10) var(--space-6);
  gap: var(--space-3);
  color: var(--text-secondary);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}