/* ===================================
   ADMIN PANEL STYLES
   Dashboard & Management UI
   =================================== */

/* ===================================
   RESET & BASE
   =================================== */

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===================================
   LOGIN SCREEN
   =================================== */

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 100%);
}

.login-card {
  width: 100%;
  max-width: 450px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.login-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 0.95rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.login-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
}

.login-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.login-btn {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.login-btn:active {
  transform: translateY(0);
}

.login-error {
  color: var(--error);
  font-size: 0.9rem;
  margin: 0;
  min-height: 20px;
}

.back-link {
  display: inline-block;
  margin-top: var(--spacing-lg);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--primary);
}

/* Shake animation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.shake {
  animation: shake 0.3s ease-in-out;
}

/* ===================================
   ADMIN DASHBOARD
   =================================== */

.admin-dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===================================
   ADMIN HEADER
   =================================== */

.admin-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

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

[data-theme="light"] .moon-icon {
  display: none;
}

[data-theme="dark"] .sun-icon {
  display: none;
}

.home-link {
  padding: 8px 20px;
  background: var(--bg);
  color: var(--text-main);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.home-link:hover {
  background: var(--card-bg-hover);
  border-color: var(--primary);
  color: var(--primary);
}

.logout-btn {
  padding: 8px 20px;
  background: var(--error);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.logout-btn:hover {
  background: #DC2626;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===================================
   TAB NAVIGATION
   =================================== */

.tab-nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: var(--spacing-xs);
  padding: 0 var(--spacing-xl);
  overflow-x: auto;
}

.tab-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary);
  background: var(--card-bg-hover);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===================================
   ADMIN CONTENT
   =================================== */

.admin-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
  width: 100%;
  flex: 1;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

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

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

/* ===================================
   SECTION TITLES
   =================================== */

.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: var(--spacing-xl);
  letter-spacing: 0.5px;
}

.subsection-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.subsection-title:first-child {
  margin-top: 0;
}

/* ===================================
   FORMS
   =================================== */

.add-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin: 0;
}

/* ===================================
   BUTTONS
   =================================== */

.btn-primary {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-danger {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--error);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-danger:hover {
  background: #DC2626;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===================================
   LINKS MANAGER
   =================================== */

.links-manager {
  margin-top: var(--spacing-2xl);
}

.links-list-manager {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.link-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.link-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.link-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.link-info-name {
  font-weight: 600;
  color: var(--text-main);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.link-info-url {
  color: var(--text-secondary);
  font-size: 0.85rem;
  word-break: break-all;
}

.link-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-edit,
.btn-delete {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.btn-delete {
  background: var(--error-light);
  color: var(--error);
  border: 1px solid var(--error);
}

.btn-delete:hover {
  background: var(--error);
  color: white;
}

/* ===================================
   SETTINGS SECTION
   =================================== */

.settings-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.password-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.danger-zone {
  border-color: var(--error);
  background: var(--error-light);
}

.danger-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ===================================
   TOAST NOTIFICATION
   =================================== */

.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--card-bg);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast.hidden {
  display: none;
}

#toast-message {
  color: var(--text-main);
  font-weight: 600;
}

/* Glow animation for new items */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 0 rgba(16, 185, 129, 0);
  }
  50% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
  }
}

.glow {
  animation: glow 0.6s ease-in-out;
}

/* Slide out animation for delete */
@keyframes slideOut {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.slide-out {
  animation: slideOut 0.3s ease-out forwards;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* ===================================
   MODAL
   =================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
  animation: fadeIn 0.2s ease-out;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 550px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--error-light);
  color: var(--error);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border);
}

.btn-secondary {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--bg);
  color: var(--text-main);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ===================================
   EMOJI PICKER
   =================================== */

.icon-input-wrapper {
  display: flex;
  gap: var(--spacing-sm);
}

.icon-display {
  flex: 1;
  font-size: 1.1rem;
  text-align: center;
  cursor: pointer;
}

.emoji-picker-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.emoji-picker-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.emoji-picker {
  margin-top: var(--spacing-md);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  max-height: 250px;
  overflow-y: auto;
}

.emoji-picker.hidden {
  display: none;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(45px, 1fr));
  gap: var(--spacing-xs);
}

.emoji-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  font-size: 1.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
}

.emoji-item:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.15);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.emoji-item:active {
  transform: scale(1.05);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablet */
@media (max-width: 899px) {
  .admin-header-content {
    padding: var(--spacing-lg) var(--spacing-lg);
  }
  
  .admin-content {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .tab-nav {
    padding: 0 var(--spacing-lg);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 599px) {
  .login-card {
    padding: var(--spacing-xl);
  }
  
  .login-title {
    font-size: 1.6rem;
  }
  
  .admin-header-content {
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
  }
  
  .admin-title {
    font-size: 1.3rem;
    text-align: center;
  }
  
  .admin-header-actions {
    justify-content: center;
  }
  
  .admin-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .section-title {
    font-size: 1.4rem;
  }
  
  .tab-nav {
    padding: 0 var(--spacing-md);
  }
  
  .tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
  }
  
  .add-form,
  .settings-section,
  .password-section {
    padding: var(--spacing-lg);
  }
  
  .link-item {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .link-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .toast {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
  }
  
  /* Modal responsive */
  .modal-content {
    margin: var(--spacing-md);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-lg);
  }
  
  .modal-title {
    font-size: 1.2rem;
  }
  
  .icon-input-wrapper {
    flex-direction: column;
  }
  
  .emoji-picker-btn {
    width: 100%;
  }
  
  .emoji-grid {
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  }
  
  .emoji-item {
    font-size: 1.5rem;
    padding: var(--spacing-xs);
  }
  
  .modal-footer {
    flex-direction: column-reverse;
  }
  
  .modal-footer button {
    width: 100%;
  }
}