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

:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --light-bg: #f8fafc;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--light-bg);
  color: var(--gray-800);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--gray-100);
  border-radius: 50px;
}

.logout-btn {
  background: var(--danger-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.logout-btn:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

/* Login Form */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
}

.login-form {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

.login-form h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.login-btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.login-btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* Main Content */
.main-content {
  padding: 2rem 0;
}

.dashboard-header {
  margin-bottom: 2rem;
}

.dashboard-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
}

.breadcrumb {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--gray-200);
}

.nav-tab {
  background: none;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  cursor: pointer;
  color: var(--gray-600);
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}

.nav-tab:hover {
  color: var(--primary-color);
}

.nav-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  font-weight: 600;
}

.nav-tab .badge {
  background: var(--accent-color);
  color: white;
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 10px;
  margin-left: 0.5rem;
}

/* Tab Content */
.tab-content {
  display: none;
}

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

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid var(--gray-200);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-900);
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-active {
  background: #dcfce7;
  color: #166534;
}
.status-pending {
  background: #fef3c7;
  color: #92400e;
}
.status-completed {
  background: #dbeafe;
  color: #1e40af;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--success-color),
    var(--primary-color)
  );
  transition: width 0.5s ease;
}

/* Documents List */
.documents-list {
  list-style: none;
}

.document-item {
  display: flex;
  justify-content: between;
  align-items: center;
  padding: 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.document-item:hover {
  background: var(--gray-100);
  border-color: var(--primary-color);
}

.document-info {
  flex: 1;
}

.document-name {
  font-weight: 500;
  color: var(--gray-900);
}

.document-meta {
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-top: 0.2rem;
}

.document-actions {
  display: flex;
  gap: 0.5rem;
}

.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

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

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

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-700);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

/* Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.gallery-item:hover {
  transform: scale(1.05);
}

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

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: white;
  padding: 1rem;
  font-size: 0.9rem;
}

/* Communication */
.message-thread {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.message {
  margin-bottom: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
}

.message-from-client {
  background: var(--gray-100);
  margin-left: 2rem;
}

.message-from-team {
  background: var(--primary-color);
  color: white;
  margin-right: 2rem;
}

.message-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  opacity: 0.8;
}

.message-compose {
  display: flex;
  gap: 1rem;
}

.message-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  resize: vertical;
  min-height: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-tabs {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .nav-tab {
    padding: 0.75rem 1rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}

.hidden {
  display: none;
}