/* ==================== UI COMPONENTS (NAVBAR, CARDS, MODALS, FORMS) ==================== */

/* Glass Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-filter);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: var(--border-color-active);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-filter);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-menu {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: 10px;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: rgba(59, 130, 246, 0.12);
}

/* Theme Toggle Button (Icon-Only) */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-main);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  transform: scale(1.05);
}

/* User Account Dropdown Menu */
.user-dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 115%;
  min-width: 190px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 8px;
  z-index: 1000;
  backdrop-filter: var(--backdrop-filter);
}

.user-dropdown-content.show {
  display: block;
  animation: fadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-dropdown-content a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  border-radius: 10px;
  transition: var(--transition);
}

.user-dropdown-content a:hover {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-color-active);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Modal Overlay & Card */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

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

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-card-wide {
  max-width: 940px;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

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

/* Page Views */
.page-view {
  display: none;
}

.page-view.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}