/* Premium Custom Design System for Contract Publish Platform */
:root {
  --bg-primary: #0a0d16;
  --bg-secondary: #111827;
  --bg-card: #1f2937;
  --border-color: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --color-accent: #6366f1;
  --color-accent-hover: #4f46e5;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --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, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
}

/* Scrollbar customization */
::-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(--color-accent);
}

/* Typography & Helpers */
h1, h2, h3, h4 {
  font-weight: 600;
  color: var(--text-primary);
}
p {
  color: var(--text-secondary);
}
.hidden {
  display: none !important;
}
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-error { color: var(--color-error) !important; }
.margin-top-md { margin-top: 1.5rem; }
.margin-top-lg { margin-top: 2.5rem; }

/* Login Page Wrapper */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: radial-gradient(circle at center, #1e1b4b 0%, #030712 100%);
}

.login-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  font-family: 'Playfair Display', serif;
  background: linear-gradient(to right, #a5b4fc, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-header p {
  font-size: 0.9rem;
}

/* Legal Banner */
.legal-banner {
  font-size: 0.85rem;
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.legal-banner.warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--color-warning);
  color: #fbd38d;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-group input, 
.form-group textarea, 
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

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

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

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

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

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

.btn-outline-warning {
  background-color: transparent;
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.btn-outline-warning:hover {
  background-color: rgba(245, 158, 11, 0.1);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

.error-text {
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: 1rem;
  text-align: center;
}

/* Dashboard Layout */
.dashboard-wrapper {
  display: flex;
  height: 100vh;
}

/* Sidebar styling */
.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #a5b4fc, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 4px;
}

.badge-admin {
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--color-accent);
}

.sidebar-nav {
  padding: 1.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--text-primary);
}

.nav-item.active {
  color: #c7d2fe;
}

.nav-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

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

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 500;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 2.5rem;
  overflow-y: auto;
  background-color: var(--bg-primary);
}

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  animation: fadeIn 0.3s ease-out;
}

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

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

/* Cards */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.02);
}

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

.card-body {
  padding: 1.5rem;
}

.flex-row {
  display: flex;
  gap: 1rem;
}

/* Statistics Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-card h3 {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.stat-card .value {
  font-size: 2.25rem;
  font-weight: 700;
}

/* File Upload Zone */
.file-upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  text-align: center;
  background-color: var(--bg-primary);
  cursor: pointer;
  position: relative;
}

.file-upload-zone input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-zone p {
  font-size: 0.9rem;
}

/* Tables */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-top: 1rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.table th, .table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  font-weight: 600;
}

.table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.01);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
}

.status-badge.draft { background-color: rgba(156, 163, 175, 0.15); color: #d1d5db; }
.status-badge.sent { background-color: rgba(59, 130, 246, 0.15); color: #93c5fd; }
.status-badge.viewed { background-color: rgba(245, 158, 11, 0.15); color: #fcd34d; }
.status-badge.signed { background-color: rgba(99, 102, 241, 0.15); color: #c7d2fe; }
.status-badge.consummated { background-color: rgba(16, 185, 129, 0.15); color: #a7f3d0; }
.status-badge.returned { background-color: rgba(239, 68, 68, 0.15); color: #fca5a5; }

/* Grid columns layout */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .grid-2col {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

/* Chat Assistant Panel */
.chat-card {
  display: flex;
  flex-direction: column;
  height: 580px;
}

.chat-messages {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--bg-primary);
}

.message {
  max-width: 80%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.875rem;
  line-height: 1.4;
}

.message.user {
  background-color: var(--color-accent);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.message.system-message {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.chat-input-area {
  padding: 1rem;
  display: flex;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.chat-input-area input {
  flex: 1;
  padding: 0.75rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  width: 100%;
  max-width: 550px;
  padding: 2rem;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-content.large {
  max-width: 900px;
}

.close-modal {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-size: 1.75rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
}

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

.preview-document-body {
  margin-top: 1.5rem;
  padding: 2.5rem;
  background-color: white;
  color: #333;
  border-radius: 6px;
  min-height: 400px;
  overflow-y: auto;
  box-shadow: inset 0 2px 4px 0 rgba(0,0,0,0.06);
}

/* Recipient Review Portal layout */
.recipient-wrapper {
  max-width: 920px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  animation: fadeIn 0.4s ease-out;
}

.recipient-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 3rem;
}

.recipient-header {
  text-align: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
}

.recipient-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.25rem;
}

.recipient-doc-box {
  background-color: #fff;
  color: #1f2937;
  padding: 3rem;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
  border: 1px solid #d1d5db;
}

.recipient-signature-area {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.search-filter-bar {
  margin-bottom: 1rem;
}

/* Print styling for contracts */
@media print {
  body {
    background-color: white;
    color: black;
  }
  .no-print {
    display: none !important;
  }
  .recipient-card {
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .recipient-doc-box {
    border: none;
    box-shadow: none;
    padding: 0;
  }
}