/* ============================================================
   BuyHold Tools UI — Shared Design System
   Version: 1.0
   Used by: Finance Journal, Trading Simulator, and future tools
   ============================================================
   All classes prefixed with `tool-` to avoid collisions with
   the WordPress theme's own .panel, .btn, .card, etc.
   ============================================================ */


/* ====== 1. DESIGN TOKENS ====== */
:root {
  /* Colors — Main palette */
  --tool-bg-main: #131722;
  --tool-bg-card: #1a1f2a;
  --tool-bg-hover: #252a33;
  --tool-bg-tertiary: #262b36;
  --tool-bg-sidebar: #0d1117;

  /* Colors — Accent (BuyHold green) */
  --tool-accent: #95ce5a;
  --tool-accent-hover: #a9dd78;
  --tool-accent-dark: #7ab842;
  --tool-accent-rgb: 149, 206, 90;

  /* Colors — Secondary accent (blue) */
  --tool-blue: #5a95ce;
  --tool-blue-rgb: 90, 149, 206;

  /* Colors — Text */
  --tool-text-primary: #ffffff;
  --tool-text-secondary: #d1d4dc;
  --tool-text-muted: #9ca3af;

  /* Colors — Borders */
  --tool-border: #2a2e39;

  /* Colors — Semantic */
  --tool-success: #26a69a;
  --tool-danger: #ef5350;
  --tool-danger-rgb: 239, 83, 80;
  --tool-warning: #ff9800;

  /* Radius */
  --tool-radius-lg: 20px;
  --tool-radius-md: 14px;
  --tool-radius-sm: 10px;

  /* Shadows */
  --tool-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --tool-shadow-soft:
    0 2px 8px rgba(0, 0, 0, 0.1),
    0 8px 24px rgba(0, 0, 0, 0.08),
    0 16px 48px rgba(0, 0, 0, 0.05);

  /* Typography */
  --tool-font-body: 'DM Sans', sans-serif;
  --tool-font-mono: 'Fira Code', monospace;

  /* Layout */
  --tool-sidebar-w: 240px;
  --tool-topbar-h: 64px;
}


/* ====== 2. BASE & RESET ====== */
/*
   FULL ISOLATION from WordPress theme.
   Resets ALL inherited/global styles for elements inside .tool-app.
   This prevents theme's global button, input, a, h1-h6 etc. rules from leaking in.
*/

.tool-app {
  font-family: var(--tool-font-body);
  color: var(--tool-text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.tool-app *,
.tool-app *::before,
.tool-app *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*
   Hard reset for HTML elements inside .tool-app.
   Uses :where() for ZERO specificity — any tool-* class will override these.
   This ensures theme's global styles don't leak, but our components win.
*/
.tool-app :where(button, input, select, textarea, optgroup) {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  color: inherit;
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-shadow: none;
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  text-transform: none;
  letter-spacing: inherit;
  margin: 0;
  padding: 0;
}
.tool-app :where(button) { cursor: pointer; }
.tool-app :where(select) { cursor: pointer; }

.tool-app :where(a) {
  color: inherit;
  text-decoration: none;
  box-shadow: none;
  border: none;
  outline: none;
  background: none;
}

.tool-app :where(h1, h2, h3, h4, h5, h6) {
  font-family: inherit;
  font-weight: 700;
  line-height: 1.3;
  color: inherit;
  margin: 0;
  padding: 0;
  text-shadow: none;
  border: none;
}

.tool-app :where(ul, ol) { list-style: none; padding: 0; margin: 0; }
.tool-app :where(p) { margin: 0; padding: 0; }
.tool-app :where(hr) { border: none; margin: 0; }
.tool-app :where(img) { max-width: 100%; height: auto; border: none; }
/* SVG default size — prevents icons from exploding without explicit w/h */
.tool-app :where(svg) {
  display: inline-block;
  vertical-align: middle;
  width: 1em;
  height: 1em;
}
/* Restore explicit sizes for known icon containers */
.tool-app .tool-nav-item svg { width: 20px; height: 20px; }
.tool-app .tool-btn--add svg { width: 16px; height: 16px; }
.tool-app .tool-icon-btn svg { width: 18px; height: 18px; }
.tool-app .tool-cat-option svg { width: 20px; height: 20px; }
.tool-app .tool-chart-container svg { width: auto; height: auto; }
.tool-app .tool-sparkline svg { width: auto; height: auto; }
.tool-app :where(table) { border-collapse: collapse; border-spacing: 0; }

/* Scrollbar (WebKit) */
.tool-app ::-webkit-scrollbar { width: 6px; }
.tool-app ::-webkit-scrollbar-track { background: transparent; }
.tool-app ::-webkit-scrollbar-thumb { background: var(--tool-border); border-radius: 3px; }
.tool-app ::-webkit-scrollbar-thumb:hover { background: var(--tool-text-muted); }


/* ====== 3. LAYOUT — Sidebar + Topbar + Main ====== */

/* --- Sidebar --- */
.tool-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--tool-sidebar-w);
  background: linear-gradient(180deg, #0d1117 0%, #0f1520 50%, #0d1117 100%);
  border-right: 1px solid var(--tool-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width 0.3s ease;
  overflow: hidden;
}

.tool-sidebar::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(var(--tool-accent-rgb), 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Sidebar — Logo */
.tool-sidebar-logo {
  padding: 20px 24px;
  border-bottom: 1px solid var(--tool-border);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.tool-sidebar-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #1a1d24;
  flex-shrink: 0;
}

.tool-sidebar-logo .logo-text {
  font-weight: 700;
  font-size: 16px;
  color: var(--tool-text-primary);
  white-space: nowrap;
  overflow: hidden;
}

.tool-sidebar-logo .logo-text span {
  color: var(--tool-accent);
}

/* Sidebar — Navigation */
.tool-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--tool-radius-sm);
  cursor: pointer;
  color: var(--tool-text-muted);
  font-weight: 500;
  font-size: 13px;
  transition: all 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  text-decoration: none;
}

.tool-nav-item:hover {
  color: var(--tool-text-secondary);
  background: var(--tool-bg-hover);
}

.tool-nav-item.active {
  color: var(--tool-accent);
  background: rgba(var(--tool-accent-rgb), 0.08);
}

.tool-nav-item.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--tool-accent);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px rgba(var(--tool-accent-rgb), 0.5);
}

.tool-nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Sidebar — User block */
.tool-sidebar-user {
  padding: 16px;
  border-top: 1px solid var(--tool-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-sidebar-user .avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--tool-blue), #4a80b5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  flex-shrink: 0;
}

.tool-sidebar-user .user-info {
  overflow: hidden;
}

.tool-sidebar-user .user-name {
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

.tool-sidebar-user .user-plan {
  font-size: 11px;
  color: var(--tool-text-muted);
  white-space: nowrap;
}

/* --- Topbar --- */
.tool-topbar {
  position: fixed;
  top: 0;
  left: var(--tool-sidebar-w);
  right: 0;
  height: var(--tool-topbar-h);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--tool-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 90;
  transition: left 0.3s ease;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-date { font-size: 13px; color: var(--tool-text-muted); white-space: nowrap; }
.topbar-search { position: relative; }
.topbar-search input {
  background: var(--tool-bg-card);
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius-sm);
  padding: 7px 12px 7px 34px;
  color: var(--tool-text-primary);
  font-family: var(--tool-font-body);
  font-size: 13px;
  width: 220px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.topbar-search input::placeholder { color: var(--tool-text-muted); }
.topbar-search input:focus {
  border-color: var(--tool-accent);
  box-shadow: 0 0 10px rgba(var(--tool-accent-rgb), 0.15);
}
.topbar-search svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--tool-text-muted);
}

/* --- Main content area --- */
.tool-main {
  margin-left: var(--tool-sidebar-w);
  padding-top: var(--tool-topbar-h);
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

.tool-main-inner {
  padding: 24px 28px 40px;
}


/* ====== 4. COMPONENTS ====== */

/* --- Cards (with gradient border signature) --- */
.tool-card {
  background: linear-gradient(135deg, var(--tool-bg-card) 0%, #1e2433 100%);
  border: none;
  border-radius: var(--tool-radius-lg);
  padding: 20px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--tool-shadow-soft);
}

/* Gradient-border pseudo-element (signature look) */
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--tool-radius-lg);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(var(--tool-accent-rgb), 0.2),
    rgba(var(--tool-blue-rgb), 0.1),
    rgba(var(--tool-accent-rgb), 0.05)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: opacity 0.4s;
  opacity: 0.5;
}

.tool-card:hover::before {
  opacity: 1;
  background: linear-gradient(
    135deg,
    rgba(var(--tool-accent-rgb), 0.35),
    rgba(var(--tool-blue-rgb), 0.2),
    rgba(var(--tool-accent-rgb), 0.1)
  );
}

.tool-card:hover {
  transform: scale(1.015);
}

/* Danger variant (for expense cards, etc.) */
.tool-card--danger::before {
  background: linear-gradient(
    135deg,
    rgba(var(--tool-danger-rgb), 0.2),
    rgba(var(--tool-blue-rgb), 0.1),
    rgba(var(--tool-danger-rgb), 0.05)
  );
}

.tool-card--danger:hover::before {
  background: linear-gradient(
    135deg,
    rgba(var(--tool-danger-rgb), 0.35),
    rgba(var(--tool-blue-rgb), 0.15),
    rgba(var(--tool-danger-rgb), 0.1)
  );
}

/* --- Panels --- */
.tool-panel {
  background: var(--tool-bg-card);
  border: none;
  border-radius: var(--tool-radius-lg);
  overflow: hidden;
  position: relative;
}

.tool-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--tool-radius-lg);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(var(--tool-accent-rgb), 0.1),
    rgba(var(--tool-blue-rgb), 0.06),
    transparent
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.4;
}

.tool-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--tool-border);
}

.tool-panel-title {
  font-weight: 700;
  font-size: 15px;
}

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

.tool-panel-body {
  padding: 16px 20px;
}

.tool-panel-link {
  font-size: 12px;
  color: var(--tool-accent);
  cursor: pointer;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}

.tool-panel-link:hover {
  color: var(--tool-accent-hover);
  text-decoration: underline;
}

/* --- Buttons --- */
.tool-btn {
  padding: 9px 18px;
  border-radius: var(--tool-radius-sm);
  font-family: var(--tool-font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

/* Primary (green gradient) */
.tool-btn--primary {
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-dark));
  color: #1a1d24;
  box-shadow: 0 2px 8px rgba(var(--tool-accent-rgb), 0.2);
}

.tool-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(var(--tool-accent-rgb), 0.3);
}

/* Secondary (subtle border) */
.tool-btn--secondary {
  background: var(--tool-bg-hover);
  color: var(--tool-text-secondary);
  border: none;
  position: relative;
  overflow: hidden;
}

.tool-btn--secondary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--tool-radius-sm);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(var(--tool-accent-rgb), 0.15),
    rgba(var(--tool-blue-rgb), 0.1),
    rgba(var(--tool-accent-rgb), 0.05)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.tool-btn--secondary:hover {
  color: var(--tool-text-primary);
}

.tool-btn--secondary:hover::before {
  opacity: 1;
}

/* Danger */
.tool-btn--danger {
  background: rgba(var(--tool-danger-rgb), 0.12);
  color: var(--tool-danger);
}

.tool-btn--danger:hover {
  background: rgba(var(--tool-danger-rgb), 0.2);
}

/* Export */
.tool-btn--export {
  background: var(--tool-bg-tertiary);
  color: var(--tool-text-secondary);
  border: 1px solid var(--tool-border);
}

.tool-btn--export:hover {
  color: var(--tool-accent);
  border-color: var(--tool-accent);
}

/* Add (compact primary) */
.tool-btn--add {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-dark));
  color: #1a1d24;
  border: none;
  padding: 7px 16px;
  border-radius: var(--tool-radius-sm);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--tool-font-body);
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(var(--tool-accent-rgb), 0.25);
}

.tool-btn--add:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(var(--tool-accent-rgb), 0.4);
}

.tool-btn--add svg {
  width: 16px;
  height: 16px;
}

/* --- Inputs & Selects --- */
.tool-input,
.tool-select,
.tool-textarea {
  width: 100%;
  background: var(--tool-bg-main);
  border: 1px solid var(--tool-border);
  color: var(--tool-text-primary);
  padding: 10px 12px;
  border-radius: var(--tool-radius-sm);
  font-family: var(--tool-font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
  border-color: var(--tool-accent);
  box-shadow: 0 0 10px rgba(var(--tool-accent-rgb), 0.15);
}

.tool-select option {
  background: var(--tool-bg-card);
}

.tool-textarea {
  resize: vertical;
  min-height: 60px;
}

.tool-input--search {
  background: var(--tool-bg-card);
  padding: 7px 12px 7px 34px;
  font-size: 13px;
  width: 220px;
}

/* --- Modal --- */
.tool-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.tool-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.tool-modal {
  background: rgba(20, 25, 35, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(var(--tool-accent-rgb), 0.15);
  border-radius: var(--tool-radius-lg);
  width: 520px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow:
    0 0 40px rgba(var(--tool-accent-rgb), 0.1),
    0 25px 50px rgba(0, 0, 0, 0.5);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.25s ease;
}

.tool-modal-overlay.open .tool-modal {
  transform: scale(1) translateY(0);
}

.tool-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(var(--tool-accent-rgb), 0.1);
}

.tool-modal-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.tool-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--tool-text-muted);
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
}

.tool-modal-close:hover {
  color: var(--tool-text-primary);
  background: var(--tool-bg-hover);
}

.tool-modal-body {
  padding: 20px 24px;
}

.tool-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid rgba(var(--tool-accent-rgb), 0.1);
}

/* --- Toast Notifications --- */
.tool-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tool-toast {
  background: var(--tool-bg-card);
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--tool-text-primary);
  box-shadow: var(--tool-shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toolToastIn 0.3s ease;
  min-width: 260px;
}

.tool-toast--success { border-left: 3px solid var(--tool-success); }
.tool-toast--error   { border-left: 3px solid var(--tool-danger); }
.tool-toast--info    { border-left: 3px solid var(--tool-blue); }

.tool-toast--confirm {
  border-left: 3px solid var(--tool-warning);
  flex-wrap: wrap;
}

.tool-toast-confirm-btns {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.tool-toast-confirm-btn {
  padding: 4px 14px;
  border-radius: 6px;
  font-family: var(--tool-font-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.tool-toast-confirm-btn--yes {
  background: var(--tool-danger);
  color: #fff;
}

.tool-toast-confirm-btn--yes:hover {
  background: #d32f2f;
}

.tool-toast-confirm-btn--no {
  background: var(--tool-bg-hover);
  color: var(--tool-text-secondary);
  border: 1px solid var(--tool-border);
}

.tool-toast-confirm-btn--no:hover {
  color: var(--tool-text-primary);
}

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

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

/* --- Progress Bars --- */
.tool-progress {
  height: 6px;
  background: var(--tool-bg-main);
  border-radius: 3px;
  overflow: hidden;
}

.tool-progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.tool-progress-fill--ok {
  background: var(--tool-accent);
  box-shadow: 0 0 6px rgba(var(--tool-accent-rgb), 0.3);
}

.tool-progress-fill--warn {
  background: var(--tool-warning);
  box-shadow: 0 0 8px rgba(255, 152, 0, 0.4);
}

.tool-progress-fill--over {
  background: var(--tool-danger);
  box-shadow: 0 0 12px rgba(var(--tool-danger-rgb), 0.5);
}

/* --- Badge / Tag --- */
.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--tool-font-mono);
}

.tool-badge--up {
  color: var(--tool-success);
  background: rgba(38, 166, 154, 0.12);
}

.tool-badge--down {
  color: var(--tool-danger);
  background: rgba(var(--tool-danger-rgb), 0.12);
}

.tool-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(var(--tool-accent-rgb), 0.08);
  border: 1px solid rgba(var(--tool-accent-rgb), 0.15);
  color: var(--tool-accent);
}

/* --- Date Filter Pills --- */
.tool-date-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--tool-border);
  background: transparent;
  color: var(--tool-text-muted);
  font-family: var(--tool-font-body);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.tool-date-btn:hover {
  color: var(--tool-text-primary);
  border-color: var(--tool-text-muted);
}

.tool-date-btn.active {
  background: rgba(var(--tool-accent-rgb), 0.12);
  border-color: var(--tool-accent);
  color: var(--tool-accent);
  box-shadow: 0 0 10px rgba(var(--tool-accent-rgb), 0.15);
}

/* --- Form Elements --- */
.tool-form-group {
  margin-bottom: 16px;
}

.tool-form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--tool-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tool-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tool-form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--tool-text-secondary);
}

.tool-form-check input[type="checkbox"] {
  accent-color: var(--tool-accent);
  width: 16px;
  height: 16px;
}

/* --- Type Toggle (Income / Expense) --- */
.tool-type-toggle {
  display: flex;
  gap: 8px;
}

.tool-type-btn {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--tool-border);
  background: transparent;
  color: var(--tool-text-muted);
  font-family: var(--tool-font-body);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--tool-radius-sm);
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}

.tool-type-btn.active.income {
  border-color: rgba(var(--tool-accent-rgb), 0.5);
  background: rgba(var(--tool-accent-rgb), 0.1);
  color: var(--tool-accent);
  box-shadow: 0 0 15px rgba(var(--tool-accent-rgb), 0.2);
}

.tool-type-btn.active.expense {
  border-color: rgba(var(--tool-danger-rgb), 0.5);
  background: rgba(var(--tool-danger-rgb), 0.1);
  color: var(--tool-danger);
  box-shadow: 0 0 15px rgba(var(--tool-danger-rgb), 0.2);
}

/* --- Category Icon Grid --- */
.tool-cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.tool-cat-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 10px;
  color: var(--tool-text-muted);
  text-align: center;
}

.tool-cat-option svg {
  width: 20px;
  height: 20px;
}

.tool-cat-option:hover {
  border-color: rgba(var(--tool-accent-rgb), 0.3);
  color: var(--tool-text-secondary);
}

.tool-cat-option.selected {
  border-color: rgba(var(--tool-accent-rgb), 0.5);
  background: rgba(var(--tool-accent-rgb), 0.1);
  color: var(--tool-accent);
  box-shadow: 0 0 10px rgba(var(--tool-accent-rgb), 0.15);
}

.tool-cat-option.selected.expense-cat {
  border-color: rgba(var(--tool-danger-rgb), 0.5);
  background: rgba(var(--tool-danger-rgb), 0.1);
  color: var(--tool-danger);
  box-shadow: 0 0 10px rgba(var(--tool-danger-rgb), 0.15);
}

/* --- Icon Button --- */
.tool-icon-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius-sm);
  color: var(--tool-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.tool-icon-btn:hover {
  color: var(--tool-text-primary);
  border-color: var(--tool-text-muted);
}

.tool-icon-btn svg {
  width: 18px;
  height: 18px;
}

/* --- Currency Select --- */
.tool-currency-select {
  background: var(--tool-bg-card);
  border: 1px solid var(--tool-border);
  color: var(--tool-text-primary);
  padding: 7px 10px;
  border-radius: var(--tool-radius-sm);
  font-family: var(--tool-font-mono);
  font-size: 13px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tool-currency-select:focus {
  border-color: var(--tool-accent);
  box-shadow: 0 0 10px rgba(var(--tool-accent-rgb), 0.15);
}

.tool-currency-select option {
  background: var(--tool-bg-card);
}

/* --- Notification Badge --- */
.tool-notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  background: var(--tool-danger);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

/* --- Chart Container --- */
.tool-chart-container {
  position: relative;
  width: 100%;
}

.tool-chart-container canvas {
  width: 100% !important;
}

/* --- Sparkline --- */
.tool-sparkline {
  margin-top: 12px;
  height: 32px;
}

.tool-sparkline canvas {
  width: 100% !important;
  height: 32px !important;
}


/* ====== 5. TYPOGRAPHY ====== */

.tool-label {
  font-size: 12px;
  color: var(--tool-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.tool-value {
  font-family: var(--tool-font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
}

.tool-value--lg {
  font-size: 28px;
  letter-spacing: -0.5px;
}

.tool-value--sm {
  font-size: 15px;
}

.tool-text-success { color: var(--tool-success); }
.tool-text-danger  { color: var(--tool-danger); }
.tool-text-accent  { color: var(--tool-accent); }
.tool-text-blue    { color: var(--tool-blue); }
.tool-text-warning { color: var(--tool-warning); }
.tool-text-muted   { color: var(--tool-text-muted); }


/* ====== 6. ANIMATIONS ====== */

.tool-fade-in {
  animation: toolFadeIn 0.3s ease;
}

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


/* ====== 7. UTILITIES ====== */

.tool-grid {
  display: grid;
  gap: 16px;
}

.tool-grid--2 { grid-template-columns: repeat(2, 1fr); }
.tool-grid--3 { grid-template-columns: repeat(3, 1fr); }
.tool-grid--4 { grid-template-columns: repeat(4, 1fr); }

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

.tool-flex--between {
  justify-content: space-between;
}


/* ====== 8. RESPONSIVE ====== */

@media (max-width: 1100px) {
  .tool-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .tool-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --tool-sidebar-w: 60px;
  }

  /* Collapse sidebar to icons only */
  .tool-sidebar-logo .logo-text,
  .tool-nav-item span,
  .tool-sidebar-user .user-info {
    display: none;
  }

  .tool-sidebar-logo {
    justify-content: center;
    padding: 20px 12px;
  }

  .tool-nav-item {
    justify-content: center;
    padding: 10px;
  }

  .tool-nav-item.active::before {
    display: none;
  }

  .tool-sidebar-user {
    justify-content: center;
  }

  .tool-main-inner {
    padding: 16px;
  }

  .tool-cat-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tool-grid--4,
  .tool-grid--3 {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .tool-topbar {
    padding: 0 12px;
  }

  .tool-btn--add span {
    display: none;
  }
}