@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");

:root {
  /* Neon Cyan Color Palette - 0Tick Scripts */
  --color-primary: #00E5FF;
  --color-primary-hover: #4FF4F9;
  --color-bg: transparent;
  --color-text: #E0FFFF;
  --color-text-secondary: rgba(79, 244, 249, 0.6);
  --color-text-darker: rgba(79, 244, 249, 0.3);
  --color-brighter-bg: rgba(95, 136, 139, 0.16);
  --gradient-primary: linear-gradient(135deg, #00E5FF 0%, #4FF4F9 100%);
  --gradient-secondary: linear-gradient(135deg, #4FF4F9 0%, #00E5FF 100%);
  --glass-bg: rgba(5, 15, 18, 0.9);
  --glass-border: rgba(95, 136, 139, 0.5);
  --shadow-glow: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
  --success: #00E5FF;
  --error: #ff3b30;
  --warning: #ff9500;
  --border: var(--glass-border);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

html {
  min-height: 100%;
  background: linear-gradient(135deg, #050F12 0%, #0a1f25 25%, #0f2f38 50%, #0a1f25 75%, #050F12 100%);
  background-attachment: fixed;
  background-size: 200% 200%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  background: transparent !important;
  min-height: 100vh;
  color: var(--color-text);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Login Page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-container {
  width: 100%;
  max-width: 420px;
}

.login-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.logo-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: block;
  object-fit: contain;
}

.login-header h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-header p {
  color: var(--color-text-secondary);
  font-size: 15px;
}

.alert {
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  background: rgba(255, 59, 48, 0.1);
  border: 1px solid rgba(255, 59, 48, 0.3);
  color: var(--error);
}

.alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Admin Container */
.admin-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-header .logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  margin: 4px 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.nav-item:hover {
  background: var(--color-brighter-bg);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-brighter-bg);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.sidebar-footer {
  padding: 24px;
  border-top: 1px solid var(--glass-border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #050F12;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.user-details {
  flex: 1;
}

.user-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.user-role {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 280px;
  padding: 32px;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.content-header h1 {
  font-size: 36px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-actions {
  display: flex;
  gap: 12px;
}

.content-body {
  max-width: 1400px;
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

.section-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.section-card h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--color-text);
}

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

.section-header-actions h2 {
  margin-bottom: 0;
}

/* Forms */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  background: var(--color-brighter-bg);
  color: var(--color-text);
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
  background: rgba(95, 136, 139, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group small {
  display: block;
  margin-top: 8px;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
  accent-color: var(--color-primary);
}

.mt-2 {
  margin-top: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #050F12;
  box-shadow: var(--shadow-glow);
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--color-brighter-bg);
  color: var(--color-text);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(95, 136, 139, 0.25);
  border-color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

.btn-danger {
  background: var(--error);
  color: #ffffff;
}

.btn-danger:hover {
  background: #ff2d20;
  transform: translateY(-2px);
}

/* Items List */
.items-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.item-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 20px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.item-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.item-info {
  flex: 1;
}

.item-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.item-meta {
  font-size: 14px;
  color: var(--color-text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.item-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-brighter-bg);
  color: var(--color-primary);
  border: 1px solid var(--glass-border);
}

.item-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 15, 18, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
}

.modal.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  width: 100%;
  max-width: 900px;
  max-height: 95vh;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s ease;
}

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

.modal-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-brighter-bg);
}

.modal-header h3 {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-close {
  background: none;
  border: none;
  font-size: 32px;
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  transition: all 0.2s ease;
  line-height: 1;
}

.modal-close:hover {
  background: var(--color-brighter-bg);
  color: var(--color-text);
  transform: rotate(90deg);
}

.modal-body {
  padding: 32px;
  flex: 1;
  overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: var(--color-brighter-bg);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-hover);
}

.modal-footer {
  padding: 24px 32px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--color-brighter-bg);
}

/* Form Sections */
.form-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--glass-border);
}

.form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.form-section-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-section-title svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

/* Feature & Tag List */
.feature-item,
.tag-item {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
}

.feature-item input,
.tag-item input {
  flex: 1;
  margin-bottom: 0;
}

.feature-item button,
.tag-item button {
  padding: 10px 16px;
  background: var(--error);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.feature-item button:hover,
.tag-item button:hover {
  background: #ff2d20;
  transform: translateY(-1px);
}

/* Preview */
.preview-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}

.preview-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}

.image-preview,
.video-preview {
  margin-top: 12px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--color-brighter-bg);
}

.image-preview img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 300px;
  object-fit: cover;
}

.video-preview iframe {
  width: 100%;
  height: 300px;
  border: none;
}

.preview-placeholder {
  padding: 40px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* Loading State */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
}

.toast {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease;
  min-width: 300px;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 15px;
  color: var(--color-text);
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.toast-close:hover {
  background: var(--color-brighter-bg);
  color: var(--color-text);
}

/* Responsive */
@media (max-width: 1024px) {
  .modal-content {
    max-width: 95%;
  }
  
  .items-list {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: 16px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 20px;
  }
  
  .items-list {
    grid-template-columns: 1fr;
  }
  
  .toast-container {
    left: 24px;
    right: 24px;
    max-width: none;
  }
  
  .toast {
    min-width: auto;
  }
}