/* ==========================================================================
   KU CIVIL LAB SYSTEM - DESIGN STYLE SHEET
   Aesthetics: KU Green, Structural Metallic Gray, Safety Alert Orange, Glassmorphism
   ========================================================================== */

:root {
  /* Harmonious Color Palette */
  --primary-color: #0d5f30;       /* Rich KU Green */
  --primary-hover: #074720;       /* Dark KU Green */
  --primary-light: #eef7f2;       /* Light Sage Green */
  --accent-steel: #2e3b4e;        /* Civil Steel Gray */
  --accent-steel-light: #485c78;  /* Light Metallic Slate */
  --accent-orange: #ea580c;       /* Safety/Construction Orange */
  --accent-orange-hover: #c2410c; /* Dark Safety Orange */
  --bg-dark: #0f172a;             /* Dark Navy/Slate BG */
  --bg-light: #f8fafc;            /* Clean light BG */
  --bg-panel: rgba(255, 255, 255, 0.85); /* Glassmorphism light panels */
  --border-color: #e2e8f0;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --text-light: #ffffff;
  
  /* Status Colors */
  --color-success: #16a34a;       /* พร้อมใช้ / อนุมัติ */
  --color-danger: #dc2626;        /* ชำรุด / ไม่อนุมัติ */
  --color-warning: #d97706;       /* ซ่อมบำรุง / รออนุมัติ */
  --color-info: #2563eb;          /* รอซ่อม */

  /* Design System Tokens */
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Sarabun', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ==========================================================================
   Resets and General Layouts
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(13, 95, 48, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(46, 59, 78, 0.05) 0px, transparent 50%);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--accent-steel);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

button, input, select, textarea {
  font-family: var(--font-family);
}

/* Utility Helpers */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-info { color: var(--color-info) !important; }
.required { color: var(--color-danger); }
.col-6 { width: 48%; }
.form-row { display: flex; justify-content: space-between; gap: 4%; }

/* ==========================================================================
   Buttons and Form Controls
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(13, 95, 48, 0.2);
}

.btn-secondary {
  background-color: var(--accent-steel);
  color: var(--text-light);
}
.btn-secondary:hover {
  background-color: var(--accent-steel-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(46, 59, 78, 0.2);
}

.btn-success {
  background-color: var(--color-success);
  color: var(--text-light);
}
.btn-success:hover {
  background-color: #11813a;
  transform: translateY(-2px);
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--text-light);
}
.btn-danger:hover {
  background-color: #b91c1c;
  transform: translateY(-2px);
}

.btn-outline-primary {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}
.btn-outline-primary:hover {
  background-color: var(--primary-light);
}

.btn-outline-secondary {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-muted);
}
.btn-outline-secondary:hover {
  background-color: #f1f5f9;
}

.btn-outline-warning {
  background-color: transparent;
  border-color: var(--color-warning);
  color: var(--color-warning);
}
.btn-outline-warning:hover {
  background-color: #fef3c7;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Form Controls */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--accent-steel);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  background-color: #ffffff;
  transition: var(--transition);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 4px rgba(13, 95, 48, 0.1);
}

.form-tip {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group input {
  flex-grow: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: 0 16px;
  background-color: #e2e8f0;
  border: 1.5px solid var(--border-color);
  border-left: none;
  border-top-right-radius: var(--border-radius-md);
  border-bottom-right-radius: var(--border-radius-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background-color: #ffffff;
  color: var(--text-dark);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 5px solid var(--primary-color);
  transform: translateX(120%);
  animation: slideIn 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
  min-width: 300px;
  max-width: 450px;
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

.toast-icon {
  font-size: 20px;
}

.toast-body {
  flex-grow: 1;
  font-size: 14px;
  font-weight: 500;
}

@keyframes slideIn {
  to { transform: translateX(0); }
}

/* ==========================================================================
   AUTHENTICATION SCREEN STYLE
   ========================================================================== */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  padding: 40px;
  transition: var(--transition);
}

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

.auth-logo {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 12px;
}

.auth-header h1 {
  font-size: 28px;
  color: var(--accent-steel);
  letter-spacing: 1px;
}

.auth-header p {
  font-size: 13px;
  color: var(--text-muted);
}

.auth-form {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s, transform 0.4s;
}

.auth-form.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.auth-form h2 {
  font-size: 20px;
  margin-bottom: 20px;
  text-align: center;
  color: var(--accent-steel);
  position: relative;
  padding-bottom: 8px;
}

.auth-form h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.auth-switch-text {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 20px;
}

.auth-switch-text a {
  font-weight: 600;
  text-decoration: underline;
}

/* ==========================================================================
   APP LAYOUT & SIDEBAR NAVIGATION
   ========================================================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  background: linear-gradient(180deg, var(--accent-steel) 0%, #1a2230 100%);
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.15);
}

.sidebar-header {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-icon {
  font-size: 32px;
  color: #38bdf8; /* cyan */
}

.brand-text h3 {
  font-size: 18px;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

.brand-text span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}

.user-profile-badge {
  padding: 16px 24px;
  background-color: rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.profile-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-light);
}

.profile-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
}

.profile-info span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  display: block;
}

.sidebar-nav {
  padding: 24px 16px;
  flex-grow: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 1px;
  display: block;
  margin-top: 16px;
  margin-bottom: 8px;
  padding-left: 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.7);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
  transition: var(--transition);
  position: relative;
}

.nav-item i {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.nav-item:hover {
  color: var(--text-light);
  background-color: rgba(255, 255, 255, 0.05);
  text-decoration: none;
}

.nav-item.active {
  color: var(--text-light);
  background-color: var(--primary-color);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 4px;
  background-color: #38bdf8;
  border-radius: 0 4px 4px 0;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 12px;
  text-align: center;
}
.badge-warning { background-color: var(--color-warning); color: var(--text-light); }
.badge-info { background-color: var(--color-info); color: var(--text-light); }
.badge-success { background-color: var(--color-success); color: var(--text-light); }
.badge-danger { background-color: var(--color-danger); color: var(--text-light); }

/* Mobile nav elements hidden by default */
.mobile-header { display: none; }
.mobile-nav-drawer { display: none; }
.drawer-overlay { display: none; }

/* ==========================================================================
   MAIN CONTENT SHELL & PAGES
   ========================================================================== */
.main-content {
  margin-left: 280px;
  flex-grow: 1;
  padding: 40px;
  min-height: 100vh;
}

.app-page {
  display: none;
  animation: fadeIn 0.4s forwards ease-in-out;
}

.app-page.active {
  display: block;
}

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

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h1 {
  font-size: 28px;
  color: var(--accent-steel);
}

.page-header p {
  color: var(--text-muted);
  font-size: 14px;
}

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

.lead-time-tag {
  background-color: var(--primary-light);
  border: 1px dashed var(--primary-color);
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   PAGE: CATALOG VIEW
   ========================================================================== */
.catalog-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.catalog-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.catalog-sidebar {
  width: 360px;
  position: sticky;
  top: 40px;
}

/* Search and Filter Panel */
.search-filter-bar {
  background-color: #ffffff;
  padding: 16px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  gap: 16px;
}

.search-input-wrapper {
  flex-grow: 1;
  position: relative;
}

.search-input-wrapper input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  transition: var(--transition);
}

.search-input-wrapper input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.category-filter-wrapper {
  position: relative;
  width: 220px;
}

.category-filter-wrapper select {
  width: 100%;
  padding: 10px 16px 10px 36px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  background-color: #ffffff;
  cursor: pointer;
}

.category-filter-wrapper select:focus {
  border-color: var(--primary-color);
}

.filter-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* Items Grid */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}

.item-card {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 95, 48, 0.2);
}

.item-card.disabled-item {
  opacity: 0.65;
  filter: grayscale(60%);
  background-color: #f1f5f9;
  border-color: #cbd5e1;
}

.item-card.disabled-item:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
  border-color: #cbd5e1;
  cursor: pointer;
}

.item-image-wrapper {
  height: 125px;
  position: relative;
  background-color: #f1f5f9;
}

.item-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-status-tag {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-light);
}

.item-status-tag.ready { background-color: var(--color-success); }
.item-status-tag.damaged { background-color: var(--color-danger); }
.item-status-tag.maintenance { background-color: var(--color-warning); }
.item-status-tag.awaiting { background-color: var(--color-info); }

.item-category-tag {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  color: var(--text-light);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
}

.item-details {
  padding: 12px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.item-code {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-steel);
  line-height: 1.3;
  margin-bottom: 8px;
  flex-grow: 1;
}

.item-stock-info {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 8px;
  margin-bottom: 12px;
}

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

.stock-val {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-steel);
}

.stock-lbl {
  font-size: 10px;
  color: var(--text-muted);
}

/* Cart Component inside sidebar */
.cart-card {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  position: sticky;
  top: 24px;
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.cart-header h3 {
  font-size: 18px;
  color: var(--accent-steel);
}

.cart-empty-state {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 40px;
  color: var(--border-color);
  margin-bottom: 16px;
}

.cart-empty-state p {
  font-size: 13px;
  line-height: 1.5;
}

.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 16px;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-light);
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-steel);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-item-code {
  font-size: 11px;
  color: var(--text-muted);
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 12px;
}

.cart-qty-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
}

.cart-qty-btn:hover {
  background-color: var(--border-color);
}

.cart-item-remove {
  color: var(--color-danger);
  cursor: pointer;
  padding: 4px;
}

.cart-divider {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: 16px 0;
}

.date-warning {
  background-color: #fef3c7;
  border: 1px solid #f59e0b;
  color: #b45309;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  margin-bottom: 16px;
  font-weight: 500;
}

/* ==========================================================================
   PAGE: TABLES AND CONTAINERS (Member History, Admin List)
   ========================================================================== */
.table-container {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 32px;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.table-search-box input {
  padding: 8px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  width: 250px;
}

.table-search-box input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.table-empty-state {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
}

.table-empty-state i {
  font-size: 48px;
  color: var(--border-color);
  margin-bottom: 16px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background-color: #f8fafc;
  color: var(--accent-steel);
  font-weight: 600;
}

.data-table tbody tr:hover {
  background-color: #f8fafc;
}

.item-list-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}

.item-list-cell li {
  font-size: 13px;
  padding: 2px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Dashboard statistics cards for member & admin */
.dashboard-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: var(--transition);
  cursor: pointer;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 95, 48, 0.2);
}

.stat-card.active-filter {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-md);
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-info h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

/* ==========================================================================
   PAGE: ADMIN DASHBOARD (ANALYTICS & MAINTENANCE ALERTS)
   ========================================================================== */
.dashboard-alerts-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.alert-card {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.alert-card-header {
  padding: 16px 20px;
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

.alert-card-header h3 {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-card-body {
  padding: 16px 20px;
  max-height: 250px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alert-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-light);
  border-left: 4px solid var(--border-color);
}

.alert-item-info {
  display: flex;
  flex-direction: column;
}

.alert-item-title {
  font-size: 13px;
  font-weight: 600;
}

.alert-item-date {
  font-size: 11px;
  color: var(--text-muted);
}

.alert-item.critical { border-left-color: var(--color-danger); background-color: #fef2f2; }
.alert-item.warning { border-left-color: var(--color-warning); background-color: #fffbeb; }

.alert-item-days {
  font-weight: 700;
  font-size: 12px;
}

.analytics-charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.chart-container {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.chart-container h3 {
  font-size: 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-wrapper {
  position: relative;
  height: 250px;
  width: 100%;
}

/* Alert boxes */
.alert-box {
  display: flex;
  gap: 16px;
  padding: 16px 24px;
  border-radius: var(--border-radius-md);
  margin-bottom: 24px;
  border: 1px solid transparent;
}

.alert-danger {
  background-color: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.alert-icon-wrapper {
  font-size: 24px;
}

.alert-content h4 {
  font-size: 16px;
  margin-bottom: 4px;
  color: inherit;
}

.alert-content p {
  font-size: 13px;
}

/* ==========================================================================
   SETTINGS CARD
   ========================================================================== */
.settings-card {
  background-color: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  max-width: 600px;
}

.settings-card h3 {
  font-size: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

/* ==========================================================================
   MODALS SYSTEM
   ========================================================================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.6);
  z-index: 1000;
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
  animation: modalFadeIn 0.3s forwards;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background-color: #ffffff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 550px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  animation: modalSlideUp 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.modal-content.modal-lg {
  max-width: 800px;
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background-color: #ffffff;
  z-index: 10;
}

.modal-header h3 {
  font-size: 18px;
}

.close-modal-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

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

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: #f8fafc;
  border-bottom-left-radius: var(--border-radius-lg);
  border-bottom-right-radius: var(--border-radius-lg);
}

/* Specific inside-modal styling */
.request-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  background-color: var(--bg-light);
  padding: 16px;
  border-radius: var(--border-radius-md);
  margin-bottom: 20px;
  font-size: 13px;
}

.request-purpose-box {
  background-color: var(--bg-light);
  padding: 16px;
  border-radius: var(--border-radius-md);
  margin-bottom: 20px;
  font-size: 13px;
}

.request-purpose-box strong {
  display: block;
  margin-bottom: 4px;
}

.request-purpose-box p {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.request-purpose-box p:last-child {
  margin-bottom: 0;
}

.inline-form {
  display: flex;
  gap: 10px;
}

.inline-form input {
  flex-grow: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
}

.categories-list {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.categories-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: var(--bg-light);
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  border: 1px solid var(--border-color);
}

.categories-list li button {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
}

/* Inventory cell thumb */
.inventory-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  background-color: #e2e8f0;
}

/* Catalog wrap at 1200px width */
@media (max-width: 1200px) {
  .catalog-layout {
    flex-direction: column;
    align-items: stretch;
  }
  
  .catalog-sidebar {
    width: 100%;
    position: static;
  }
  
  .cart-card {
    position: static;
  }
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (Mobile, Tablet, Desktop)
   ========================================================================== */

/* Tablet Portrait and small screens (e.g. iPad, small laptops) */
@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }
  
  .main-content {
    margin-left: 240px;
    padding: 24px;
  }
  
  .catalog-layout {
    flex-direction: column;
    align-items: stretch;
  }
  
  .catalog-sidebar {
    width: 100%;
    position: static;
  }
  
  .cart-card {
    position: static;
  }
  
  .dashboard-alerts-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .analytics-charts-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Mobile Screens (Phones, e.g. iPhone, Android < 768px) */
@media (max-width: 768px) {
  body {
    padding-top: 60px; /* Leave space for sticky mobile header */
  }

  .sidebar {
    display: none; /* Hide desktop sidebar completely */
  }
  
  .main-content {
    margin-left: 0; /* Content takes full width */
    padding: 16px;
  }
  
  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--accent-steel);
    color: var(--text-light);
    padding: 0 16px;
    z-index: 990;
    box-shadow: var(--shadow-sm);
  }
  
  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
  }
  
  .mobile-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 20px;
    cursor: pointer;
  }

  .btn-icon-warning {
    background-color: var(--color-warning);
    border: none;
    color: var(--text-light);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
  }

  /* Mobile Drawer menu */
  .mobile-nav-drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background-color: #ffffff;
    z-index: 1010;
    box-shadow: -4px 0 15px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: var(--transition);
  }
  
  .mobile-nav-drawer.active {
    transform: translateX(0);
  }
  
  .drawer-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .drawer-close-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
  }
  
  .drawer-user-info {
    padding: 16px;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
  }
  
  .drawer-user-info strong {
    font-size: 14px;
    color: var(--accent-steel);
  }
  
  .drawer-user-info span {
    font-size: 11px;
    color: var(--text-muted);
  }
  
  .drawer-nav {
    flex-grow: 1;
    overflow-y: auto;
    padding: 16px 8px;
  }
  
  .drawer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-dark);
    border-radius: var(--border-radius-md);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
    transition: var(--transition);
  }
  
  .drawer-item:hover {
    background-color: var(--bg-light);
  }
  
  .drawer-item.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
  }
  
  .drawer-divider {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    margin: 16px 0 8px 16px;
  }
  
  .drawer-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .drawer-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.4);
    z-index: 1005;
  }
  
  .drawer-overlay.active {
    display: block;
  }

  /* Catalog layouts */
  .search-filter-bar {
    flex-direction: column;
    gap: 12px;
  }
  
  .category-filter-wrapper {
    width: 100%;
  }
  
  .page-header h1 {
    font-size: 22px;
  }
  
  .page-header {
    margin-bottom: 20px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .col-6 {
    width: 100%;
  }

  .auth-card {
    padding: 24px;
  }
  
  .modal-content {
    max-height: 95vh;
    border-radius: var(--border-radius-md);
  }
}