/* =====================================================
   Skill India Mobilizer Portal - Light Glassmorphism UI
   Mobile-first • Desktop enhanced • Clean & Modern
   ===================================================== */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --success: #059669;
  --success-light: #10b981;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0891b2;
  
  --bg: #f0f4f8;
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-glass: rgba(255, 255, 255, 0.65);
  --border: rgba(255, 255, 255, 0.4);
  --border-soft: rgba(148, 163, 184, 0.25);
  
  --text: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

/* Soft gradient background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(37, 99, 235, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(16, 185, 129, 0.06), transparent),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(59, 130, 246, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ========== UTILITIES ========== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-sm {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, var(--danger) 100%);
  color: #fff;
}

.btn-outline {
  background: rgba(255,255,255,0.7);
  border: 1.5px solid var(--border-soft);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(37, 99, 235, 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
}

.btn-ghost:hover {
  background: rgba(0,0,0,0.04);
  color: var(--text);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8125rem;
  border-radius: var(--radius-xs);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-xs);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  background: #fff;
}

.form-control::placeholder {
  color: var(--text-light);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-submitted { background: #dbeafe; color: #1d4ed8; }
.badge-verified { background: #d1fae5; color: #047857; }
.badge-approved { background: #d1fae5; color: #065f46; }
.badge-correction { background: #fef3c7; color: #b45309; }
.badge-rejected { background: #fee2e2; color: #b91c1c; }
.badge-draft { background: #f1f5f9; color: #475569; }

/* ========== NAVBAR ========== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
  padding: 12px 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.navbar-brand .logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.navbar-brand .brand-text {
  display: flex;
  flex-direction: column;
}

.navbar-brand .brand-text strong {
  font-size: 0.95rem;
  line-height: 1.2;
}

.navbar-brand .brand-text span {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-info {
  display: none;
}

@media (min-width: 640px) {
  .user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .user-info strong {
    font-size: 0.875rem;
  }
  .user-info span {
    font-size: 0.7rem;
    color: var(--text-muted);
  }
}

/* ========== STAT CARDS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.stat-card .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.stat-icon.blue { background: #dbeafe; color: #2563eb; }
.stat-icon.green { background: #d1fae5; color: #059669; }
.stat-icon.orange { background: #ffedd5; color: #d97706; }
.stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.stat-icon.red { background: #fee2e2; color: #dc2626; }

/* ========== TABLES / LISTS ========== */
.list-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.list-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.list-body {
  max-height: 60vh;
  overflow-y: auto;
}

.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  cursor: pointer;
  transition: background 0.15s;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:hover {
  background: rgba(37, 99, 235, 0.03);
}

.list-item .item-avatar {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #e0e7ff;
  color: #4338ca;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
  overflow: hidden;
}

.list-item .item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list-item .item-content {
  flex: 1;
  min-width: 0;
}

.list-item .item-title {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item .item-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

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

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
  }
}

.modal {
  background: #fff;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -8px 40px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}

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

@media (min-width: 768px) {
  .modal {
    border-radius: 20px;
    transform: translateY(20px) scale(0.96);
  }
  .modal-overlay.active .modal {
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-shrink: 0;
  background: #fafbfc;
}

/* ========== STEPS (Enrollment) ========== */
.steps {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.step {
  flex: 1;
  min-width: 60px;
  text-align: center;
  padding: 8px 4px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  background: #f1f5f9;
  transition: all 0.2s;
}

.step.active {
  background: var(--primary);
  color: #fff;
}

.step.done {
  background: #d1fae5;
  color: #059669;
}

/* ========== CAMERA CAPTURE ========== */
.camera-box {
  position: relative;
  background: #0f172a;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  max-height: 320px;
}

.camera-box video,
.camera-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 12px;
}

.capture-preview {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-soft);
  max-height: 180px;
  object-fit: cover;
}

.doc-upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.doc-slot {
  border: 2px dashed var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 16px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255,255,255,0.5);
}

.doc-slot:hover,
.doc-slot.has-file {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.04);
}

.doc-slot img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 6px;
}

.doc-slot .doc-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ========== TOAST ========== */
.toast-container {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: calc(100% - 32px);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  background: #fff;
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  pointer-events: auto;
  animation: slideDown 0.3s ease;
  border-left: 4px solid var(--primary);
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== LOGIN PAGE ========== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 24px;
  padding: 36px 28px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.1);
}

.login-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

.login-title {
  text-align: center;
  margin-bottom: 6px;
}

.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 28px;
}

.role-tabs {
  display: flex;
  background: #f1f5f9;
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 24px;
}

.role-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
  border: none;
  background: transparent;
  font-family: inherit;
}

.role-tab.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ========== LOADING ========== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner.dark {
  border-color: rgba(37, 99, 235, 0.2);
  border-top-color: var(--primary);
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: inherit;
}

/* ========== BOTTOM NAV (Mobile) ========== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-around;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  z-index: 90;
}

@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}

.bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 12px;
  transition: color 0.2s;
}

.bottom-nav a.active {
  color: var(--primary);
}

.bottom-nav a svg {
  width: 22px;
  height: 22px;
}

/* ========== PAGE LAYOUT ========== */
.page-content {
  position: relative;
  z-index: 1;
  padding: 16px 0 90px;
}

@media (min-width: 768px) {
  .page-content {
    padding: 24px 0 40px;
  }
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.4rem;
}

/* ========== SEARCH BAR ========== */
.search-bar {
  position: relative;
  flex: 1;
  min-width: 180px;
}

.search-bar input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border-radius: 12px;
  border: 1.5px solid var(--border-soft);
  background: rgba(255,255,255,0.9);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
}

.search-bar input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-bar .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
}

/* ========== FILTER CHIPS ========== */
.filter-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 14px;
}

.chip {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #f1f5f9;
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  transition: all 0.15s;
}

.chip.active {
  background: var(--primary);
  color: #fff;
}

/* ========== DESKTOP SIDEBAR (optional enhancement) ========== */
@media (min-width: 1024px) {
  .desktop-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: start;
  }
  
  .sidebar {
    position: sticky;
    top: 80px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
  }
  
  .sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.15s;
    margin-bottom: 4px;
  }
  
  .sidebar-link:hover,
  .sidebar-link.active {
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
  }
}

/* ========== PRINT SLIP ========== */
@media print {
  body * { visibility: hidden; }
  .print-area, .print-area * { visibility: visible; }
  .print-area {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
}

/* ========== MISC ========== */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.w-full { width: 100%; }

.divider {
  height: 1px;
  background: var(--border-soft);
  margin: 16px 0;
}