/* ============================================================
   STYLE.CSS – Global Styles, Utilities, Typography
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
@import './variables.css';

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

/* --- Typography Utilities --- */
.text-xs    { font-size: var(--font-size-xs); }
.text-sm    { font-size: var(--font-size-sm); }
.text-base  { font-size: var(--font-size-base); }
.text-md    { font-size: var(--font-size-md); }
.text-lg    { font-size: var(--font-size-lg); }
.text-xl    { font-size: var(--font-size-xl); }
.text-2xl   { font-size: var(--font-size-2xl); }

.font-normal   { font-weight: var(--font-weight-normal); }
.font-medium   { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold     { font-weight: var(--font-weight-bold); }

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

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

/* --- Spacing Utilities --- */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.ml-2 { margin-left: var(--space-2); }

.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* --- Flex Utilities --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.flex-wrap { flex-wrap: wrap; }
.flex-1    { flex: 1; }

/* --- Grid Utilities --- */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Display --- */
.hidden { display: none !important; }
.block  { display: block; }
.inline { display: inline; }

/* --- Overflow --- */
.overflow-auto    { overflow: auto; }
.overflow-hidden  { overflow: hidden; }
.overflow-x-auto  { overflow-x: auto; }

/* --- Width/Height --- */
.w-full  { width: 100%; }
.h-full  { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* --- Rounded --- */
.rounded-sm   { border-radius: var(--radius-sm); }
.rounded      { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* --- Shadows --- */
.shadow-xs  { box-shadow: var(--shadow-xs); }
.shadow-sm  { box-shadow: var(--shadow-sm); }
.shadow-md  { box-shadow: var(--shadow-md); }
.shadow-lg  { box-shadow: var(--shadow-lg); }

/* --- Color BG --- */
.bg-surface { background: var(--color-surface); }
.bg-alt     { background: var(--color-surface-alt); }
.bg-primary { background: var(--color-primary); }

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-4) 0;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* --- Page Title --- */
.page-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* --- Section Header --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.section-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* --- Toast Notifications --- */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 260px;
  border-left: 4px solid var(--color-primary);
  animation: toastIn 0.3s ease;
  color: var(--color-text-primary);
}

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

@keyframes toastIn {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-2 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
}

/* --- Drag & Drop Sortable Styles --- */
.sortable-ghost {
  opacity: 0.4;
  background-color: var(--color-bg);
  border: 2px dashed var(--color-border);
}

.draggable-card {
  position: relative;
}

.drag-handle {
  display: none;
  cursor: grab;
  color: var(--color-text-muted);
  font-size: 16px;
  padding: 4px;
  border-radius: 4px;
}

.drag-handle:active {
  cursor: grabbing;
}

.edit-mode-active .drag-handle {
  display: inline-block;
}

.edit-mode-active .draggable-card,
.edit-mode-active .kpi-metric {
  border: 1px dashed var(--color-border) !important;
}

.edit-mode-active .draggable-card:hover,
.edit-mode-active .kpi-metric:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-text-muted) !important;
}

.kpi-metric:hover {
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}