/* Root Variables - Professional Violet Theme */
:root {
--primary: #6b8f71;        /* Soft sage green */
--primary-light: #7ba085;  /* Light sage */
--accent: #8fb299;         /* Pale sage */

--info: #6cb4b8;           /* Seafoam info */
--warning: #e8b04a;        /* Muted amber */
--danger: #b8706f;         /* Dusty red */

  --bg-main: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;

  --border: #e5e7eb;
  --border-light: #f1f5f9;

  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Bootstrap Theme Override - Apply green theme to Bootstrap classes */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

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

.btn-primary:focus, .btn-primary.focus {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  color: white;
  box-shadow: 0 0 0 0.2rem rgba(107, 143, 113, 0.25);
}

.btn-primary:not(:disabled):not(.disabled):active, .btn-primary:not(:disabled):not(.disabled).active,
.show > .btn-primary.dropdown-toggle {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

.text-primary {
  color: var(--primary) !important;
}

.bg-primary {
  background-color: var(--primary) !important;
}

.border-primary {
  border-color: var(--primary) !important;
}

.alert-primary {
  background-color: rgba(107, 143, 113, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* Links and Anchor Styles */
a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

/* Form Focus States */
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(107, 143, 113, 0.25);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(107, 143, 113, 0.25);
}

/* Dropdown active state */
.dropdown-item:active {
  background-color: var(--primary);
}

/* Navigation active states */
.nav-link.active,
.navbar-nav .nav-link.active {
  color: var(--primary) !important;
}

/* Badge primary */
.badge.bg-primary {
  background-color: var(--primary) !important;
}

/* Progress bar */
.progress-bar {
  background-color: var(--primary);
}

/* Spinner */
.spinner-border.text-primary {
  color: var(--primary) !important;
}

/* Table striped with primary accent */
.table-primary {
  background-color: rgba(107, 143, 113, 0.1);
}

/* Fix dropdown z-index issues globally */
.navbar .dropdown-menu {
  z-index: 1050 !important;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.navbar {
  z-index: 1030 !important;
}

/* Ensure dropdown appears below navbar */
.dropdown-menu {
  position: absolute !important;
  top: 100% !important;
  margin-top: 0 !important;
}

/* Global Reset & Typography */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'MiSans', 'SF Pro Display', 'SF Pro Text', system-ui, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 15px;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Container */
.container-fluid {
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Navbar */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  backdrop-filter: blur(10px);
}

.navbar .navbar-brand {
  color: var(--text-primary) !important;
  font-weight: 600;
  font-size: 1.25rem;
}

.navbar .nav-link,
.navbar .navbar-text {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.875rem;
}

/* Page Header */
.page-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.page-header .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0.25rem 0 0 0;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: box-shadow 0.2s ease;
}

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

.card-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.card-body {
  padding: 2rem;
}

.card-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

/* Content Display */
.content-display {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  line-height: 1.7;
  font-size: 15px;
}

/* Info Box */
.info-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  margin: 1.25rem 0;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 600;
  color: var(--text-primary);
}

.info-value {
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  border-radius: 6px;
  font-weight: 500;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

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

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

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

.btn-success:hover {
  background: #9333ea;
  color: white;
}

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

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

.btn-outline-primary {
  border: 1px solid var(--primary);
  color: var(--primary);
}

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

/* Forms */
.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-control,
.form-select {
  border-radius: 6px;
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-size: 0.875rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(124, 58, 237, 0.1);
}

/* Progress Bars */
.progress {
  height: 8px;
  border-radius: 4px;
  background: var(--border-light);
}

.progress-bar {
  background: var(--primary);
  transition: width 0.3s ease;
}

.progress-simple {
  background: var(--border);
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.progress-simple .bar {
  background: var(--primary);
  height: 100%;
  transition: width 0.3s ease;
}

/* Alerts */
.alert {
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

.alert-success {
  background: rgba(15, 118, 110, 0.1);
  border-color: rgba(15, 118, 110, 0.2);
  color: #065f46;
}

.alert-warning {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.2);
  color: #92400e;
}

.alert-danger {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.2);
  color: #7f1d1d;
}

.alert-info {
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.2);
  color: #0369a1;
}

/* Hidden Utility */
.hidden {
  display: none;
}

/* Loading Spinner */
.spinner-border {
  width: 1.5rem;
  height: 1.5rem;
  border-width: 0.2em;
}

/* Book Grid Responsive Styles */
.books-grid .card {
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.books-grid .card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.books-grid .card-title {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  min-height: 2.6rem; /* Ensure consistent title heights */
}

.books-grid .card-text {
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Responsive adjustments for book cards */
@media (min-width: 1200px) {
  /* Extra large screens - 4 columns */
  .books-grid .card-body {
    padding: 1.25rem;
  }
  .books-grid .card-title {
    font-size: 1rem;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  /* Large screens - 4 columns */
  .books-grid .card-body {
    padding: 1rem;
  }
  .books-grid .card-title {
    font-size: 0.95rem;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  /* Medium screens - 3 columns */
  .books-grid .card-body {
    padding: 1.25rem;
  }
}

@media (max-width: 767px) {
  /* Small screens - 2 columns */
  .books-grid .card-body {
    padding: 1rem;
  }
  .books-grid .card-title {
    font-size: 0.9rem;
    min-height: auto;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .page-header h1 {
    font-size: 1.25rem;
  }
  .page-header .subtitle {
    font-size: 0.8rem;
  }
  .card-body {
    padding: 1.25rem;
  }
  .btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  .info-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}

/* Professional Theme Bootstrap Overrides */
.bg-primary {
  background-color: var(--primary) !important;
}

.text-primary {
  color: var(--primary) !important;
}

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

.btn-primary:hover {
  background-color: var(--primary-light) !important;
  border-color: var(--primary-light) !important;
}

.btn-outline-primary {
  color: var(--primary) !important;
  border-color: var(--primary) !important;
}

.btn-outline-primary:hover {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
}

.btn-success {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.btn-outline-success {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.btn-outline-success:hover {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.btn-info {
  background-color: var(--info) !important;
  border-color: var(--info) !important;
}

.btn-outline-info {
  color: var(--info) !important;
  border-color: var(--info) !important;
}

.btn-outline-info:hover {
  background-color: var(--info) !important;
  border-color: var(--info) !important;
}

.btn-warning {
  background-color: var(--warning) !important;
  border-color: var(--warning) !important;
  color: white !important;
}

.btn-outline-warning {
  color: var(--warning) !important;
  border-color: var(--warning) !important;
}

.btn-outline-warning:hover {
  background-color: var(--warning) !important;
  border-color: var(--warning) !important;
  color: white !important;
}

.badge.bg-primary {
  background-color: var(--primary) !important;
}

.badge.bg-success {
  background-color: var(--accent) !important;
}

.badge.bg-info {
  background-color: var(--info) !important;
}

.badge.bg-warning {
  background-color: var(--warning) !important;
}

.progress-bar.bg-success {
  background-color: var(--accent) !important;
}

.progress-bar.bg-primary {
  background-color: var(--primary) !important;
}

.alert-success {
  background-color: #f0f9ff !important;
  border-color: #bae6fd !important;
  color: var(--info) !important;
}

.alert-info {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
  color: var(--text-primary) !important;
}

.alert-warning {
  background-color: #fff7ed !important;
  border-color: #fed7aa !important;
  color: var(--warning) !important;
}

.navbar-dark .navbar-brand {
  color: white !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: white !important;
}

.navbar-dark .navbar-text {
  color: rgba(255, 255, 255, 0.85) !important;
}

.card-header.bg-primary {
  background-color: var(--primary) !important;
  color: white !important;
}

.card-header.bg-success {
  background-color: var(--accent) !important;
  color: white !important;
}

.border-primary {
  border-color: var(--primary) !important;
}

.border-success {
  border-color: var(--accent) !important;
}

.border-info {
  border-color: var(--info) !important;
}

.border-warning {
  border-color: var(--warning) !important;
}

.border-danger {
  border-color: var(--danger) !important;
}

.text-success {
  color: var(--accent) !important;
}

.text-info {
  color: var(--info) !important;
}

.text-warning {
  color: var(--warning) !important;
}

.text-danger {
  color: var(--danger) !important;
}

/* Chapter Progress Indicator */
#chapter-generation-progress {
  position: sticky;
  top: 0;
  z-index: 1020;
  margin-bottom: 1rem !important;
}

#chapter-generation-progress .card {
  border: 2px solid var(--primary);
  box-shadow: 0 4px 12px rgba(107, 143, 113, 0.15);
  background: linear-gradient(135deg, #ffffff 0%, #f8fffe 100%);
}

#chapter-generation-progress .spinner-border {
  width: 1.2rem;
  height: 1.2rem;
}

#chapter-generation-progress .progress {
  background-color: rgba(107, 143, 113, 0.1);
  border-radius: 10px;
}

#chapter-generation-progress .progress-bar {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 10px;
  transition: width 0.4s ease-in-out;
}

#chapter-progress-title {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

#chapter-progress-description {
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

#chapter-progress-time {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Animate progress bar */
@keyframes progress-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.7; }
  100% { opacity: 1; }
}

#chapter-generation-progress .progress-bar-animated {
  animation: progress-pulse 2s ease-in-out infinite;
}