/* ==========================================================================
   ImpactWorks Admin Panel - Design System & Modern Aesthetics
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');

:root {
  --bg-dark: #0f172a;
  --bg-sidebar: #1e293b;
  --bg-canvas: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-dark: #334155;
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #06b6d4;
  --info-light: #ecfeff;

  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #f8fafc;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Layout Wrapper */
.admin-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--bg-sidebar);
  color: var(--text-white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: all 0.3s ease;
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.05);
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-dark);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.brand-text h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: white;
}

.brand-text span {
  font-size: 0.725rem;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--success);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 6px var(--success);
}

.sidebar-menu {
  padding: 1.25rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.menu-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  padding: 0.5rem 0.75rem;
  margin-top: 0.5rem;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: all 0.2s ease;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: white;
}

.menu-item.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.menu-item i {
  font-size: 1.1rem;
}

.sidebar-user {
  padding: 1.25rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: #334155;
  color: #6366f1;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.user-details h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
}

.user-details p {
  font-size: 0.725rem;
  color: #94a3b8;
}

.btn-logout {
  color: #94a3b8;
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 6px;
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Main Content Area */
.admin-main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.admin-topbar {
  height: 70px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}

.page-title h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.page-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.35);
}

.btn-secondary {
  background-color: white;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: #cbd5e1;
}

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

.btn-success:hover {
  background-color: #059669;
}

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.775rem;
}

/* Content Body */
.admin-content {
  padding: 2rem;
  flex: 1;
}

/* Cards & Grid */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.yellow { background: var(--warning-light); color: var(--warning); }
.stat-icon.cyan { background: var(--info-light); color: var(--info); }

.stat-data h3 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-data p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Table Styling */
.table-container {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.custom-table th {
  background-color: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.725rem;
  letter-spacing: 0.04em;
}

.custom-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.custom-table tbody tr:hover {
  background-color: #f8fafc;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  font-size: 0.725rem;
  font-weight: 600;
  border-radius: 20px;
}

.badge-new { background: #dbeafe; color: #1e40af; }
.badge-in-progress { background: #fef3c7; color: #92400e; }
.badge-contacted { background: #e0e7ff; color: #3730a3; }
.badge-closed { background: #d1fae5; color: #065f46; }

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: white;
  color: var(--text-main);
  transition: all 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

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

.code-editor {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  background-color: #0f172a;
  color: #f1f5f9;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.code-editor:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-card {
  background: white;
  width: 90%;
  max-width: 620px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

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

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

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

.modal-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.5rem;
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast-item {
  padding: 0.85rem 1.25rem;
  background: var(--bg-sidebar);
  color: white;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
}

.toast-item.success { border-left: 4px solid var(--success); }
.toast-item.error { border-left: 4px solid var(--danger); }

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

/* Responsive adjustments */
@media (max-width: 992px) {
  .admin-sidebar { width: 70px; }
  .sidebar-brand h2, .sidebar-brand span, .menu-label, .menu-item span, .user-details { display: none; }
  .admin-main { margin-left: 70px; }
  .menu-item { justify-content: center; padding: 0.85rem 0; }
  .sidebar-user { justify-content: center; padding: 1rem 0; }
}