:root {
  --primary-accent: #42f578;
  --primary-accent-hover: #2ee063;
  --bg-main: #f8f9fa;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #cbd5e1;
  --input-bg: #ffffff;
  --input-text: #0f172a;
  --nav-bg: #0f172a;
  --modal-bg: #ffffff;
  --modal-text: #0f172a;
}

[data-theme="dark"] {
  --bg-main: #0f172a;
  --bg-card: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --input-bg: #0f172a;
  --input-text: #f8fafc;
  --nav-bg: #020617;
  --modal-bg: #1e293b;
  --modal-text: #f8fafc;
}

body {
  background-color: var(--bg-main) !important;
  color: var(--text-main) !important;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Navbar */
.navbar-brand img {
  height: 40px;
  width: auto;
}

/* Toggle Theme Button */
.theme-toggle-btn {
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff !important;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: var(--primary-accent);
}

/* Hero Section */
.hero-wrapper {
  position: relative;
  border-radius: 16px;
  color: #ffffff !important;
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Buttons & Badges */
.btn-accent {
  background-color: var(--primary-accent) !important;
  color: #0d2012 !important;
  font-weight: 600;
  border: none !important;
}

.btn-accent:hover {
  background-color: var(--primary-accent-hover) !important;
  color: #0d2012 !important;
}

.badge-kelas {
  background-color: var(--primary-accent) !important;
  color: #0d2012 !important;
  font-weight: bold;
}

.badge-category {
  background-color: #3b82f6 !important;
  color: #ffffff !important;
}

.badge-ebook {
  background-color: #8b5cf6 !important;
  color: #ffffff !important;
}

/* Card Publik & Card Login Fix */
.card-book {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-main) !important;
  border-radius: 12px;
}

.card-book h4, .card-book h5, .card-book label, .card-book .form-label {
  color: var(--text-main) !important;
}

/* PERBAIKAN TOTAL MODAL BOOTSTRAP */
.modal-content {
  background-color: var(--modal-bg) !important;
  color: var(--modal-text) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px;
}

.modal-header, .modal-footer {
  border-color: var(--border-color) !important;
}

.modal-title, 
.modal-body label, 
.modal-body .form-label {
  color: var(--modal-text) !important;
  font-weight: 600;
  opacity: 1 !important;
}

/* Form Input & Select Fix */
.form-control, .form-select {
  background-color: var(--input-bg) !important;
  color: var(--input-text) !important;
  border: 1px solid var(--border-color) !important;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-accent) !important;
  box-shadow: 0 0 0 0.25rem rgba(66, 245, 120, 0.25) !important;
  color: var(--input-text) !important;
}

.form-control::placeholder {
  color: var(--text-muted) !important;
  opacity: 0.7;
}

/* Option Select Fix di Browser */
option {
  background-color: var(--bg-card) !important;
  color: var(--text-main) !important;
}

/* Tabel Admin Fix */
.table {
  color: var(--text-main) !important;
  border-color: var(--border-color) !important;
}

.table th, .table td {
  background-color: transparent !important;
  color: var(--text-main) !important;
  border-color: var(--border-color) !important;
}

/* Tombol Silang Close Modal */
.btn-close {
  opacity: 0.8;
}
[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

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

footer {
  margin-top: auto;
  background-color: var(--nav-bg);
  color: #cbd5e1;
}