/* ==========================================================================
   BEM Design System: KupiSlona (Clean, Minimalist, Light/Dark Modes)
   ========================================================================== */

:root {
  --ks-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ks-font-size-base: 13px;
  --ks-font-size-sm: 11.5px;
  --ks-font-size-xs: 10.5px;
  --ks-font-size-lg: 15px;

  /* Spacings (compact & neat) */
  --ks-gap-xs: 4px;
  --ks-gap-sm: 8px;
  --ks-gap-md: 12px;
  --ks-gap-lg: 16px;

  /* Light Theme Palette (Default) */
  --ks-bg-body: #f8fafc;
  --ks-bg-card: #ffffff;
  --ks-bg-card-subtle: #f1f5f9;
  --ks-border-color: #e2e8f0;
  --ks-border-hover: #cbd5e1;

  --ks-text-main: #0f172a;
  --ks-text-muted: #64748b;
  --ks-text-light: #94a3b8;

  --ks-primary: #2563eb;
  --ks-primary-hover: #1d4ed8;
  --ks-primary-light: #eff6ff;
  --ks-primary-border: #bfdbfe;

  --ks-success: #10b981;
  --ks-warning: #f59e0b;
  --ks-danger: #ef4444;
  --ks-info: #0284c7;

  --ks-nav-bg: #ffffff;
  --ks-nav-border: #e2e8f0;
  --ks-footer-bg: #ffffff;

  --ks-sidebar-bg: #ffffff;
  --ks-sidebar-width: 260px;
  --ks-sidebar-border: #e2e8f0;

  --ks-radius-sm: 6px;
  --ks-radius-md: 8px;
  --ks-radius-lg: 12px;
}

[data-bs-theme="dark"] {
  --ks-bg-body: #090d16;
  --ks-bg-card: #0f172a;
  --ks-bg-card-subtle: #1e293b;
  --ks-border-color: #1e293b;
  --ks-border-hover: #334155;

  --ks-text-main: #f8fafc;
  --ks-text-muted: #94a3b8;
  --ks-text-light: #64748b;

  --ks-primary: #38bdf8;
  --ks-primary-hover: #0ea5e9;
  --ks-primary-light: #082f49;
  --ks-primary-border: #0369a1;

  --ks-nav-bg: #0b1120;
  --ks-nav-border: #1e293b;
  --ks-footer-bg: #0b1120;

  --ks-sidebar-bg: #0b1120;
  --ks-sidebar-border: #1e293b;
}

/* Base resets & typography */
body.ks-body {
  background-color: var(--ks-bg-body);
  color: var(--ks-text-main);
  font-family: var(--ks-font-family);
  font-size: var(--ks-font-size-base);
  line-height: 1.45;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.ks-main {
  flex: 1 0 auto;
}

/* Navbar */
.ks-navbar {
  background-color: var(--ks-nav-bg);
  border-bottom: 1px solid var(--ks-nav-border);
  padding: 8px 0;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.ks-burger-btn {
  background: var(--ks-bg-card-subtle);
  border: 1px solid var(--ks-border-color);
  color: var(--ks-text-main);
  border-radius: var(--ks-radius-sm);
  padding: 3px 8px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ks-burger-btn:hover {
  background: var(--ks-border-hover);
  color: var(--ks-text-main);
}

.ks-brand {
  font-weight: 700;
  font-size: 15px;
  color: var(--ks-text-main) !important;
  text-decoration: none;
}

.ks-brand__logo {
  font-size: 18px;
}

.ks-brand__title {
  letter-spacing: -0.2px;
}

.ks-brand__subtitle {
  color: var(--ks-primary);
}

.ks-nav-link {
  font-size: var(--ks-font-size-sm);
  font-weight: 500;
  color: var(--ks-text-muted);
  border: 1px solid transparent;
  border-radius: var(--ks-radius-sm);
  padding: 4px 10px;
  transition: all 0.15s ease-in-out;
}

.ks-nav-link:hover {
  color: var(--ks-text-main);
  background-color: var(--ks-bg-card-subtle);
}

.ks-nav-link--active {
  color: var(--ks-primary);
  background-color: var(--ks-primary-light);
  border-color: var(--ks-primary-border);
}

.ks-theme-toggle {
  background: var(--ks-bg-card-subtle);
  border: 1px solid var(--ks-border-color);
  color: var(--ks-text-muted);
  border-radius: var(--ks-radius-sm);
  padding: 4px 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ks-theme-toggle:hover {
  color: var(--ks-text-main);
  border-color: var(--ks-border-hover);
}

/* Sidebar Drawer & Overlay */
.ks-sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.ks-sidebar-overlay--open {
  opacity: 1;
  visibility: visible;
}

.ks-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--ks-sidebar-width);
  height: 100vh;
  background-color: var(--ks-sidebar-bg);
  border-right: 1px solid var(--ks-sidebar-border);
  z-index: 1050;
  transform: translateX(-100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
}

.ks-sidebar--open {
  transform: translateX(0);
}

.ks-sidebar__header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ks-sidebar-border);
}

.ks-sidebar__close {
  background: transparent;
  border: none;
  color: var(--ks-text-muted);
  padding: 4px;
  line-height: 1;
  cursor: pointer;
}

.ks-sidebar__close:hover {
  color: var(--ks-text-main);
}

.ks-sidebar__content {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 12px 10px;
}

.ks-sidebar__section-title {
  font-size: var(--ks-font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  color: var(--ks-text-light);
  padding: 4px 8px;
  margin-bottom: 4px;
}

.ks-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ks-sidebar__link {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--ks-radius-sm);
  color: var(--ks-text-muted);
  font-size: var(--ks-font-size-sm);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
}

.ks-sidebar__link:hover {
  color: var(--ks-text-main);
  background-color: var(--ks-bg-card-subtle);
}

.ks-sidebar__link--active {
  color: var(--ks-primary);
  background-color: var(--ks-primary-light);
  font-weight: 600;
}

.ks-sidebar__link--disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.ks-sidebar__footer {
  padding: 12px 14px;
  border-top: 1px solid var(--ks-sidebar-border);
}

/* BEM Components: Card */
.ks-card {
  background-color: var(--ks-bg-card);
  border: 1px solid var(--ks-border-color);
  border-radius: var(--ks-radius-md);
  padding: var(--ks-gap-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ks-card--hover:hover {
  border-color: var(--ks-border-hover);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.ks-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ks-gap-sm);
  padding-bottom: var(--ks-gap-sm);
  border-bottom: 1px solid var(--ks-border-color);
}

.ks-card__title {
  font-size: var(--ks-font-size-lg);
  font-weight: 600;
  margin: 0;
  color: var(--ks-text-main);
}

.ks-card__subtitle {
  font-size: var(--ks-font-size-xs);
  color: var(--ks-text-muted);
  margin: 0;
}

/* BEM Components: Button */
.ks-btn {
  font-size: var(--ks-font-size-sm);
  font-weight: 500;
  border-radius: var(--ks-radius-sm);
  padding: 5px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ks-gap-xs);
  transition: all 0.15s ease;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
}

.ks-btn--primary {
  background-color: var(--ks-primary);
  color: #ffffff !important;
}

.ks-btn--primary:hover {
  background-color: var(--ks-primary-hover);
}

.ks-btn--outline {
  background-color: transparent;
  border-color: var(--ks-border-color);
  color: var(--ks-text-main);
}

.ks-btn--outline:hover {
  background-color: var(--ks-bg-card-subtle);
  border-color: var(--ks-border-hover);
}

/* BEM Components: Badge */
.ks-badge {
  font-size: var(--ks-font-size-xs);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--ks-radius-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--ks-gap-xs);
}

.ks-badge--primary {
  background-color: var(--ks-primary-light);
  color: var(--ks-primary);
  border: 1px solid var(--ks-primary-border);
}

.ks-badge--success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--ks-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.ks-badge--warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--ks-warning);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

/* Footer */
.ks-footer {
  background-color: var(--ks-footer-bg);
  border-color: var(--ks-border-color) !important;
}

.ks-footer__link {
  color: var(--ks-text-muted);
  font-size: var(--ks-font-size-sm);
  text-decoration: none;
}

.ks-footer__link:hover {
  color: var(--ks-text-main);
}

.ks-footer__copy {
  color: var(--ks-text-light);
  font-size: var(--ks-font-size-xs);
}