/* ==============================================================================
   AS BALLOON - ADMIN PANEL DESIGN SYSTEM
   Modern Light Architecture with AS Balloon Official Brand Colors
   Palette: AS Balloon Navy (#072C75) & AS Balloon Vibrant Orange (#FF8533)
   ============================================================================== */

:root {
  /* Official AS Balloon Brand Colors */
  --navy: #072C75;
  --navy-dark: #031336;
  --navy-light: rgba(7, 44, 117, 0.08);
  --navy-hover: #0a3a99;
  
  --primary: #FF8533;
  --primary-hover: #E66E1C;
  --primary-light: rgba(255, 133, 51, 0.12);
  
  --secondary: #0284c7;
  --secondary-light: rgba(2, 132, 199, 0.12);
  
  --success: #16a34a;
  --success-light: rgba(22, 163, 74, 0.12);
  --danger: #dc2626;
  --danger-light: rgba(220, 38, 38, 0.12);
  --warning: #d97706;
  --warning-light: rgba(217, 119, 6, 0.12);
  
  /* Surfaces & Backgrounds */
  --bg-dark: #F8FAFC;          /* Clean light page background */
  --bg-card: #FFFFFF;          /* Pure white card */
  --bg-card-hover: #F8FAFC;
  --bg-sidebar: #FFFFFF;       /* Crisp white sidebar */
  --bg-input: #FFFFFF;         /* White clean input background */
  --border-color: #E2E8F0;     /* Light slate border */
  --border-color-focus: #FF8533;
  
  /* Typography */
  --text-main: #0F172A;        /* Deep slate text */
  --text-muted: #475569;       /* Slate 600 */
  --text-sub: #64748B;         /* Slate 500 */
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --shadow-sm: 0 1px 3px rgba(7, 44, 117, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 14px rgba(7, 44, 117, 0.06), 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 12px 28px -5px rgba(7, 44, 117, 0.1), 0 8px 10px -6px rgba(7, 44, 117, 0.04);
  --shadow-card: 0 4px 20px rgba(7, 44, 117, 0.05);
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ==============================================================================
   LAYOUT & APP SHELL
   ============================================================================== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  box-shadow: 2px 0 12px rgba(7, 44, 117, 0.02);
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.sidebar-badge {
  font-size: 11px;
  font-weight: 700;
  background: var(--navy-light);
  color: var(--navy);
  padding: 3px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(7, 44, 117, 0.18);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-menu {
  padding: 20px 12px;
  flex: 1;
  overflow-y: auto;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  width: 100%;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.nav-link-btn i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  color: var(--text-sub);
  transition: color 0.2s ease;
}

.nav-link-btn:hover {
  background: #F1F5F9;
  color: var(--navy);
}

.nav-link-btn:hover i {
  color: var(--primary);
}

.nav-link-btn.active {
  background: rgba(255, 133, 51, 0.12);
  color: var(--primary-hover);
  font-weight: 700;
  border: 1px solid rgba(255, 133, 51, 0.25);
}

.nav-link-btn.active i {
  color: var(--primary);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  background: #F8FAFC;
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(255, 133, 51, 0.3);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--text-sub);
}

.logout-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.logout-btn:hover {
  color: var(--danger);
  background: var(--danger-light);
}

/* MAIN CONTENT */
.main-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar-mobile {
  display: none;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
}

.content-area {
  flex: 1;
  padding: 32px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ==============================================================================
   VIEW CONTAINERS & CARDS
   ============================================================================== */
.view-panel {
  display: none;
  animation: fadeIn 0.25s ease forwards;
}

.view-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-subtitle {
  font-size: 13.5px;
  color: var(--text-sub);
  margin-top: 3px;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

/* ==============================================================================
   BUTTONS & BADGES
   ============================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 133, 51, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 133, 51, 0.45);
}

.btn-secondary {
  background: #F1F5F9;
  color: var(--navy);
  border: 1px solid #CBD5E1;
}

.btn-secondary:hover {
  background: #E2E8F0;
  color: var(--navy-dark);
  border-color: #94A3B8;
}

.btn-danger {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(220, 38, 38, 0.25);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12.5px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.badge-published {
  background: var(--success-light);
  color: #15803d;
  border: 1px solid rgba(22, 163, 74, 0.3);
}

.badge-draft {
  background: #F1F5F9;
  color: #475569;
  border: 1px solid #CBD5E1;
}

/* ==============================================================================
   DASHBOARD METRICS GRID
   ============================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: #CBD5E1;
  box-shadow: var(--shadow-md);
}

.metric-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.metric-number {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--navy);
}

.metric-label {
  font-size: 12.5px;
  color: var(--text-sub);
  margin-top: 4px;
  font-weight: 500;
}

/* ==============================================================================
   DATA TABLES
   ============================================================================== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  background: #F8FAFC;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
}

.custom-table td {
  padding: 16px;
  font-size: 13.5px;
  border-bottom: 1px solid #F1F5F9;
  color: var(--text-main);
  vertical-align: middle;
}

.custom-table tr:hover td {
  background: #F8FAFC;
}

.table-post-thumb {
  width: 54px;
  height: 38px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #E2E8F0;
  flex-shrink: 0;
}

.table-post-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.table-post-title {
  font-weight: 600;
  color: var(--navy);
  display: block;
  max-width: 380px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  transition: color 0.15s;
}

.table-post-title:hover {
  color: var(--primary);
}

.table-post-slug {
  font-size: 11.5px;
  color: var(--text-sub);
  margin-top: 2px;
}

.table-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  background: #F8FAFC;
  color: var(--text-sub);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-icon:hover {
  background: #EEF2F6;
  color: var(--navy);
  border-color: #CBD5E1;
}

.btn-icon.edit:hover {
  color: var(--secondary);
  border-color: rgba(2, 132, 199, 0.4);
}

.btn-icon.delete:hover {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.4);
}

/* ==============================================================================
   FORMS & INPUTS
   ============================================================================== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: inherit;
  font-size: 13.5px;
  transition: all 0.2s;
  outline: none;
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #94A3B8;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px rgba(255, 133, 51, 0.15);
  background: #FFFFFF;
}

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

.form-hint {
  font-size: 11.5px;
  color: var(--text-sub);
  margin-top: 5px;
}

/* ==============================================================================
   EDITOR RICH TEXT WYSIWYG
   ============================================================================== */
.editor-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
}

.editor-main-col {
  min-width: 0;
}

.editor-side-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 10px;
  background: #F8FAFC;
  border: 1.5px solid #CBD5E1;
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.toolbar-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.toolbar-btn:hover {
  background: #E2E8F0;
  color: var(--navy);
}

.toolbar-btn.active {
  background: var(--primary-light);
  color: var(--primary-hover);
  font-weight: 700;
}

.toolbar-separator {
  width: 1px;
  height: 20px;
  background: #CBD5E1;
  margin: 3px 4px;
}

.editor-content-area {
  min-height: 380px;
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 20px;
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.7;
  outline: none;
  overflow-y: auto;
}

.editor-content-area:focus {
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px rgba(255, 133, 51, 0.12);
}

.editor-content-area h2, .editor-content-area h3 {
  color: var(--navy);
  margin: 20px 0 10px;
}

.editor-content-area p {
  margin-bottom: 14px;
}

.editor-content-area ul, .editor-content-area ol {
  margin: 12px 0 14px 24px;
}

.editor-content-area blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(255, 133, 51, 0.08);
  padding: 12px 18px;
  margin: 16px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: #C2410C;
}

.editor-content-area img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 14px 0;
}

/* COVER IMAGE DROPZONE */
.cover-dropzone {
  border: 2px dashed #CBD5E1;
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  background: #F8FAFC;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.cover-dropzone:hover, .cover-dropzone.dragover {
  border-color: var(--primary);
  background: rgba(255, 133, 51, 0.05);
}

.cover-preview {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

/* SEO PREVIEW */
.seo-preview-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: #1e293b;
  padding: 16px;
  border-radius: var(--radius-md);
  margin-top: 10px;
  font-family: Arial, sans-serif;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.seo-preview-title {
  color: #1a0dab;
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 3px;
  cursor: pointer;
}

.seo-preview-url {
  color: #202124;
  font-size: 12px;
  margin-bottom: 4px;
}

.seo-preview-desc {
  color: #4d5156;
  font-size: 13px;
  line-height: 1.4;
}

/* TAGS CHIPS */
.tags-input-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-md);
  min-height: 42px;
  align-items: center;
}

.tag-chip {
  background: rgba(7, 44, 117, 0.08);
  color: var(--navy);
  border: 1px solid rgba(7, 44, 117, 0.2);
  padding: 3px 9px;
  border-radius: 9999px;
  font-size: 11.5px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tag-chip i {
  cursor: pointer;
}

.tag-text-input {
  border: none;
  background: transparent;
  color: var(--text-main);
  outline: none;
  font-size: 13px;
  flex: 1;
  min-width: 80px;
}

/* ==============================================================================
   TOASTS & MODALS
   ============================================================================== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  font-size: 13.5px;
  animation: slideInRight 0.25s ease forwards;
}

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

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

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

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

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 44, 117, 0.45);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(7, 44, 117, 0.25);
  animation: scaleUp 0.2s ease forwards;
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  font-size: 18px;
  transition: color 0.15s;
}

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

/* ==============================================================================
   LOGIN SCREEN (LIGHT AS BALLOON BRAND IDENTITY)
   ============================================================================== */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  background: radial-gradient(circle at 15% 20%, rgba(7, 44, 117, 0.05) 0%, transparent 45%),
              radial-gradient(circle at 85% 80%, rgba(255, 133, 51, 0.08) 0%, transparent 45%),
              #F8FAFC;
  position: relative;
}

.login-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 45px -10px rgba(7, 44, 117, 0.08), 0 10px 20px -5px rgba(0, 0, 0, 0.03);
  text-align: center;
  position: relative;
}

.login-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  margin-bottom: 22px;
  filter: drop-shadow(0 2px 4px rgba(7, 44, 117, 0.08));
}

/* MEDIA LIBRARY GRID */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.media-item {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.media-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 6px 16px rgba(7, 44, 117, 0.08);
}

.media-thumb {
  width: 100%;
  height: 110px;
  object-fit: cover;
  display: block;
}

.media-info {
  padding: 8px;
  font-size: 11px;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .topbar-mobile {
    display: flex;
  }
  .content-area {
    padding: 20px 16px;
  }
}