/* ==========================================================================
   UNITED TRACTORS WMS - GLOBAL DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

:root {
  /* Brand Colors */
  --ut-yellow: #ffcc00;
  --ut-yellow-hover: #e6b800;
  --ut-gold: #e8a000;
  --ut-gold-hover: #d49300;
  --ut-gold-dark: #c98d00;
  --ut-gold-light: #fff8e1;
  --ut-dark: #222222;
  --ut-dark-surface: #2a2a2a;
  --ut-bg: #1a1a1a;
  --ut-bg-darker: #141414;
  --ut-border-dark: #2a2a2a;
  --ut-muted: #8a8780;
  --ut-gray-light: #f5f4f0;
  --ut-gray-bg: #f9f8f5;

  /* Status Colors */
  --ut-success: #1a7a30;
  --ut-success-hover: #145e25;
  --ut-success-bg: #e8f5e9;
  --ut-success-border: #a5d6a7;
  --ut-success-text: #1a7a30;

  --ut-warning: #92400e;
  --ut-warning-hover: #78350f;
  --ut-warning-bg: #fef3c7;
  --ut-warning-border: #fde68a;
  --ut-warning-text: #92400e;

  --ut-danger: #d94040;
  --ut-danger-hover: #b83535;
  --ut-danger-bg: #fee2e2;
  --ut-danger-border: #fca5a5;
  --ut-danger-text: #b91c1c;

  --ut-info: #1a6b8a;
  --ut-info-hover: #15556e;
  --ut-info-bg: #e0f2fe;
  --ut-info-border: #bae6fd;
  --ut-info-text: #0369a1;

  /* Neutrals */
  --zinc-50: #fafafa;
  --zinc-100: #f4f4f5;
  --zinc-200: #e4e4e7;
  --zinc-300: #d4d4d8;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;

  /* Typography */
  --font-sans: 'DM Sans', 'Figtree', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Elevation / Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);

  /* Shell Layout Dimensions */
  --ut-sidebar-w: 240px;
  --ut-sidebar-collapsed-w: 56px;
  --ut-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background-color: var(--ut-gray-light);
  color: var(--zinc-800);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ==========================================================================
   LAYOUT CONTAINERS & GRIDS
   ========================================================================== */
.ut-container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding: 24px 20px;
}

.ut-container--narrow {
  max-width: 860px;
}

.ut-container--full {
  max-width: 100%;
  padding: 20px;
}

.ut-page-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .ut-page-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.ut-page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--ut-dark);
  margin: 0;
  letter-spacing: -0.02em;
}

.ut-page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--ut-muted);
  margin: 4px 0 0 0;
}

/* Grid System */
.ut-grid {
  display: grid;
  gap: 16px;
}

.ut-grid--2 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 768px) {
  .ut-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.ut-grid--3 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 640px) {
  .ut-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .ut-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.ut-grid--4 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 640px) {
  .ut-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .ut-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Flex Utilities */
.ut-flex { display: flex; }
.ut-flex-col { flex-direction: column; }
.ut-items-center { align-items: center; }
.ut-items-start { align-items: flex-start; }
.ut-justify-between { justify-content: space-between; }
.ut-justify-center { justify-content: center; }
.ut-justify-end { justify-content: flex-end; }
.ut-flex-wrap { flex-wrap: wrap; }
.ut-gap-1 { gap: 4px; }
.ut-gap-2 { gap: 8px; }
.ut-gap-3 { gap: 12px; }
.ut-gap-4 { gap: 16px; }
.ut-gap-6 { gap: 24px; }
.ut-w-full { width: 100%; }

/* ==========================================================================
   CARDS & PANELS
   ========================================================================== */
.ut-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--zinc-200);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.ut-card--hover:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--zinc-300);
}

.ut-card--featured {
  border-top: 4px solid var(--ut-gold);
}

.ut-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--zinc-100);
}

.ut-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--ut-dark);
  margin: 0;
}

.ut-card__body {
  position: relative;
}

.ut-card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 14px;
  margin-top: 16px;
  border-top: 1px solid var(--zinc-100);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.ut-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.25;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
  user-select: none;
}

.ut-btn:active {
  transform: translateY(1px);
}

.ut-btn:disabled, .ut-btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.ut-btn--primary {
  background-color: var(--ut-gold);
  color: #1a1a1a;
  border-color: var(--ut-gold-dark);
}
.ut-btn--primary:hover {
  background-color: var(--ut-gold-hover);
}

.ut-btn--secondary {
  background-color: #ffffff;
  color: var(--zinc-700);
  border-color: var(--zinc-300);
}
.ut-btn--secondary:hover {
  background-color: var(--zinc-50);
  color: var(--zinc-900);
}

.ut-btn--dark {
  background-color: var(--ut-dark);
  color: #ffffff;
  border-color: var(--ut-dark);
}
.ut-btn--dark:hover {
  background-color: #333333;
}

.ut-btn--danger {
  background-color: var(--ut-danger);
  color: #ffffff;
  border-color: #b91c1c;
}
.ut-btn--danger:hover {
  background-color: var(--ut-danger-hover);
}

.ut-btn--warning {
  background-color: var(--ut-warning-bg);
  color: var(--ut-warning-text);
  border-color: var(--ut-warning-border);
}
.ut-btn--warning:hover {
  background-color: #fde68a;
}

.ut-btn--outline {
  background-color: transparent;
  color: var(--zinc-700);
  border-color: var(--zinc-300);
}
.ut-btn--outline:hover {
  background-color: var(--zinc-100);
  border-color: var(--zinc-400);
}

.ut-btn--ghost {
  background-color: transparent;
  color: var(--zinc-600);
  border-color: transparent;
}
.ut-btn--ghost:hover {
  background-color: var(--zinc-100);
  color: var(--zinc-900);
}

.ut-btn--sm {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.ut-btn--lg {
  padding: 14px 24px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.ut-btn--block {
  width: 100%;
}

/* ==========================================================================
   BADGES & STATUS LABELS
   ========================================================================== */
.ut-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.3;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.ut-badge--success {
  background-color: var(--ut-success-bg);
  color: var(--ut-success-text);
  border: 1px solid var(--ut-success-border);
}

.ut-badge--warning {
  background-color: var(--ut-warning-bg);
  color: var(--ut-warning-text);
  border: 1px solid var(--ut-warning-border);
}

.ut-badge--danger {
  background-color: var(--ut-danger-bg);
  color: var(--ut-danger-text);
  border: 1px solid var(--ut-danger-border);
}

.ut-badge--info {
  background-color: var(--ut-info-bg);
  color: var(--ut-info-text);
  border: 1px solid var(--ut-info-border);
}

.ut-badge--neutral {
  background-color: var(--zinc-100);
  color: var(--zinc-700);
  border: 1px solid var(--zinc-300);
}

/* ==========================================================================
   FORM CONTROLS
   ========================================================================== */
.ut-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.ut-form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--zinc-700);
}

.ut-form-label--required::after {
  content: " *";
  color: var(--ut-danger);
}

.ut-form-control, .ut-input, .ut-select, .ut-textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--font-size-sm);
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--zinc-300);
  background-color: #ffffff;
  color: var(--zinc-800);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.ut-form-control:focus, .ut-input:focus, .ut-select:focus, .ut-textarea:focus {
  border-color: var(--ut-gold);
  box-shadow: 0 0 0 3px rgba(232, 160, 0, 0.18);
}

.ut-form-hint {
  font-size: var(--font-size-xs);
  color: var(--zinc-500);
}

.ut-form-error {
  font-size: var(--font-size-xs);
  color: var(--ut-danger);
  font-weight: 500;
}

/* ==========================================================================
   DATA TABLES
   ========================================================================== */
.ut-table-container {
  width: 100%;
  overflow-x: auto;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--zinc-200);
  box-shadow: var(--shadow-sm);
}

.ut-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--font-size-sm);
}

.ut-table th {
  background-color: var(--zinc-50);
  color: var(--zinc-600);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--zinc-200);
  white-space: nowrap;
}

.ut-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--zinc-100);
  color: var(--zinc-800);
  vertical-align: middle;
}

.ut-table tbody tr:hover {
  background-color: #faf9f6;
}

.ut-table tbody tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   STEPPER (TIMELINE PROGRESSION)
   ========================================================================== */
.ut-stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  width: 100%;
  padding: 16px 0;
}

.ut-stepper-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  text-align: center;
  flex: 1;
}

.ut-stepper-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-xs);
  background: #ffffff;
  border: 2px solid var(--zinc-300);
  color: var(--zinc-500);
  transition: all 0.2s ease;
}

.ut-stepper-item--active .ut-stepper-circle {
  border-color: var(--ut-gold);
  background-color: var(--ut-gold);
  color: #1a1a1a;
  box-shadow: 0 0 0 4px rgba(232, 160, 0, 0.2);
}

.ut-stepper-item--completed .ut-stepper-circle {
  border-color: var(--ut-success);
  background-color: var(--ut-success);
  color: #ffffff;
}

.ut-stepper-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--zinc-600);
  margin-top: 8px;
}

.ut-stepper-item--active .ut-stepper-label {
  color: var(--ut-dark);
  font-weight: 700;
}

/* ==========================================================================
   PAGINATION SYSTEM
   ========================================================================== */
.ut-pagination {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background-color: #faf9f6;
  border-top: 1px solid #f0ede5;
}

@media (min-width: 640px) {
  .ut-pagination {
    flex-direction: row;
  }
}

.ut-pagination-info {
  font-size: var(--font-size-xs);
  color: var(--ut-muted);
  font-weight: 500;
  text-align: center;
}

@media (min-width: 640px) {
  .ut-pagination-info {
    text-align: left;
  }
}

.ut-pagination-info strong {
  color: var(--ut-dark);
  font-weight: 700;
}

.ut-pagination-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background-color: #ffffff;
  padding: 6px;
  border-radius: var(--radius-lg);
  border: 1px solid #e5e3dc;
  box-shadow: var(--shadow-xs);
}

.ut-pagination-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: #5a5855;
  font-size: var(--font-size-xs);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ut-pagination-btn:hover:not(:disabled) {
  background-color: #f5f4f0;
  color: var(--ut-dark);
}

.ut-pagination-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.ut-pagination-btn--active {
  background-color: var(--ut-dark) !important;
  color: #ffffff !important;
  box-shadow: var(--shadow-xs);
}

.ut-pagination-ellipsis {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--ut-muted);
  user-select: none;
}

/* ==========================================================================
   MODAL DIALOG SYSTEM
   ========================================================================== */
.ut-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(26, 26, 26, 0.65);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

@media (min-width: 768px) {
  .ut-modal-backdrop {
    padding: 24px;
  }
}

.ut-modal-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid #e5e3dc;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: utModalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ut-modal-container--lg {
  max-width: 1000px;
}

.ut-modal-container--sm {
  max-width: 480px;
}

@keyframes utModalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.ut-modal-header {
  padding: 14px 20px;
  border-bottom: 1px solid #f0ede5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #ffffff;
  flex-shrink: 0;
}

.ut-modal-title {
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--ut-dark);
  margin: 0;
}

.ut-modal-close-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: #f5f4f0;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a09e99;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ut-modal-close-btn:hover {
  background-color: #e5e3dc;
  color: var(--ut-dark);
}

.ut-modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.ut-modal-footer {
  padding: 14px 20px;
  border-top: 1px solid #f0ede5;
  background-color: #faf9f6;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* Common Display & Visibility Utilities */
.hidden { display: none !important; }
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.font-bold { font-weight: 700 !important; }
.font-semibold { font-weight: 600 !important; }
.font-medium { font-weight: 500 !important; }

/* ==========================================================================
   GLOBAL FORM CONTROLS & INPUT BOXES
   Provides crisp visible borders, standard padding, and UT brand focus states
   for all form inputs, textareas, selects, and file uploads across the system.
   ========================================================================== */

.form-input,
.form-select,
.form-textarea,
.form-input-box,
.form-select-box {
  display: block;
  width: 100%;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.35;
  color: #111827;
  background-color: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  outline: none;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  box-sizing: border-box;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover,
.form-input-box:hover,
.form-select-box:hover {
  border-color: #9ca3af;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form-input-box:focus,
.form-select-box:focus {
  background-color: #ffffff;
  border-color: var(--ut-gold, #e8a000);
  box-shadow: 0 0 0 3px rgba(232, 160, 0, 0.2);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder,
.form-input-box::placeholder {
  color: #9ca3af;
}

.form-textarea {
  min-height: 5.5rem;
  resize: vertical;
  line-height: 1.5;
}

.form-select,
.form-select-box {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.25em 1.25em;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background-color: #f3f4f6;
  color: #9ca3af;
  border-color: #e5e7eb;
  cursor: not-allowed;
}

.file-upload-input {
  display: block;
  width: 100%;
  font-size: 0.875rem;
  color: #6b7280;
  cursor: pointer;
}

.file-upload-input::file-selector-button {
  margin-right: 0.75rem;
  padding: 0.4rem 0.85rem;
  border-radius: 0.375rem;
  border: 1px solid #d1d5db;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: #f9fafb;
  color: #374151;
  cursor: pointer;
  transition: all 0.15s ease;
}

.file-upload-input::file-selector-button:hover {
  background-color: #f3f4f6;
  border-color: #9ca3af;
  color: #111827;
}

.validation-error {
  color: #dc2626;
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: block;
  font-weight: 500;
}