/* ============================================
   ADMIN PANEL - LAYOUT
   Dashboard layout, containers, grid systems
   ============================================ */

/* === LOGIN PAGE LAYOUT === */
.login-container {
  min-height: 100vh;
  padding: var(--space-lg);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e0e7ff 100%);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .login-container {
    padding: clamp(2.5rem, 6vw, 4rem);
  }
}

.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.login-container::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.login-box {
  width: min(100%, 460px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(255, 255, 255, 0.8);
  display: grid;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .login-box {
    padding: clamp(2.5rem, 5vw, 3.5rem);
    gap: 2rem;
  }
}

.login-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.login-logo {
  width: clamp(72px, 18vw, 88px);
  height: clamp(72px, 18vw, 88px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  justify-self: center;
  border: 3px solid rgba(255, 255, 255, 0.9);
  transition: transform var(--transition);
  object-fit: contain;
}

.login-logo:hover {
  transform: scale(1.05);
}

.login-box h1 {
  margin: 0;
  font-size: var(--font-size-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

.login-box p {
  margin: 0;
  color: var(--color-text-muted);
  text-align: center;
  font-size: var(--font-size-base);
}

/* === DASHBOARD LAYOUT === */
.dashboard-container {
  display: grid;
  grid-template-columns: 1fr;
  min-height: calc(100vh - 72px);
}

@media (min-width: 768px) {
  .dashboard-container {
    grid-template-columns: var(--sidebar-width) 1fr;
  }
}

@media (min-width: 1280px) {
  .dashboard-container {
    grid-template-columns: 280px 1fr;
  }
}

/* Sidebar */
.sidebar {
  display: none;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-lg);
  overflow-y: auto;
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
}

@media (min-width: 768px) {
  .sidebar {
    display: block;
  }
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: flex;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-fixed);
  background: var(--color-primary);
  color: white;
  padding: var(--space-md);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  min-width: 56px;
  min-height: 56px;
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.sidebar.mobile-open {
  display: block;
  position: fixed;
  inset: 0;
  top: 72px;
  z-index: var(--z-modal);
  animation: slideInLeft 0.3s var(--ease-smooth);
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Main Content */
.main-content {
  padding: var(--space-lg);
  overflow-x: hidden;
}

@media (min-width: 768px) {
  .main-content {
    padding: var(--space-xl);
  }
}

@media (min-width: 1024px) {
  .main-content {
    padding: clamp(2rem, 4vw, 3rem);
  }
}

/* === VIEW SYSTEM === */
.view {
  display: none;
}

.view.active {
  display: block;
  animation: fadeInUp 0.4s var(--ease-smooth);
}

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

/* === EDITOR LAYOUT === */
.editor-wrapper {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .editor-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

.editor-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.editor-section h2 {
  font-size: var(--font-size-lg);
  margin: 0;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
}

.editor-textarea {
  flex: 1;
  min-height: 400px;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  resize: vertical;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition);
}

@media (min-width: 1024px) {
  .editor-textarea {
    min-height: 600px;
  }
}

.editor-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.preview-content {
  flex: 1;
  min-height: 400px;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-y: auto;
  line-height: 1.7;
}

@media (min-width: 1024px) {
  .preview-content {
    min-height: 600px;
  }
}

/* === IMAGES REPEATER === */
.images-repeater {
  display: grid;
  gap: var(--space-md);
}

.image-item {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-surface-muted);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

@media (min-width: 768px) {
  .image-item {
    grid-template-columns: 1fr 1fr auto;
    align-items: start;
  }
}

.image-item .form-group {
  margin-bottom: 0;
}

.image-remove {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-remove:hover {
  background: var(--color-error);
  color: white;
}

.add-image {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(99, 102, 241, 0.08);
  color: var(--color-primary);
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  font-weight: var(--font-weight-medium);
  min-height: var(--touch-target-min);
}

.add-image:hover {
  background: rgba(99, 102, 241, 0.12);
  transform: translateY(-2px);
}

/* === POSTS LIST === */
.posts-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.post-item {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

@media (min-width: 640px) {
  .post-item {
    grid-template-columns: 1fr auto auto;
    align-items: center;
  }
}

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

.post-info h3 {
  margin: 0 0 var(--space-xs) 0;
  font-size: var(--font-size-md);
  color: var(--color-text);
}

.post-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.post-actions {
  display: flex;
  gap: var(--space-sm);
}

/* === FORM ACTIONS === */
.form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .form-actions {
    flex-direction: column-reverse;
  }
  
  .form-actions button {
    width: 100%;
  }
}

/* === GRID SYSTEMS === */
.grid-2 {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.grid-3 {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* === STATS CARDS === */
.stats-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-xl);
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-xs);
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* === SETTINGS SECTIONS === */
.settings-section {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.settings-section h2 {
  margin-top: 0;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-border);
}

/* === UTILITIES === */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-center {
  text-align: center;
}

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

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}