:root {
  --bg-color: #f0f2f5;
  --text-color: #1a1a1a;
  --card-bg: #ffffff;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #ef4444;
  --success: #10b981;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

body.dark-mode {
  --bg-color: #0f172a;
  --text-color: #f1f5f9;
  --card-bg: #1e293b;
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --border: #334155;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}

/* ============ HEADER ============ */
header {
  position: sticky; top: 0;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 100; box-shadow: var(--shadow);
  flex-wrap: wrap; gap: 0.5rem;
}
.header-left, .header-right { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
header h1 { font-size: 1.15rem; font-weight: 700; }

.last-update {
  font-size: 0.75rem; color: #6b7280;
  background: var(--bg-color); padding: 0.25rem 0.6rem; border-radius: 1rem;
}
.next-update { font-size: 0.7rem; color: #6b7280; background: var(--bg-color); padding: 0.2rem 0.5rem; border-radius: 1rem; border: 1px dashed var(--border); } body.dark-mode .next-update { color: #94a3b8; }

.portfolio-badge {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white; padding: 0.35rem 0.75rem; border-radius: 1rem;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
  transition: transform 0.2s;
}
.portfolio-badge:hover { transform: scale(1.05); }

.btn-icon {
  background: none; border: none; font-size: 1.25rem; cursor: pointer;
  padding: 0.5rem; border-radius: 50%; transition: background 0.2s;
}
.btn-icon:hover { background-color: var(--border); }

/* ============ OFFLINE BANNER ============ */
.offline-banner {
  background: #fbbf24; color: #78350f;
  padding: 0.5rem 1rem; text-align: center;
  font-size: 0.85rem; font-weight: 500;
}

main { padding: 1rem; max-width: 1200px; margin: 0 auto; }

/* ============ TOP MOVERS ============ */
.top-movers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}
.top-movers-section h3 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}
.top-movers-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.top-mover-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem;
  background: var(--bg-color);
  border-radius: 0.5rem;
  font-size: 0.85rem;
}
.top-mover-item .symbol { font-weight: 600; }
.top-mover-item .change {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.top-mover-item .change.up { color: var(--success); }
.top-mover-item .change.down { color: var(--danger); }

/* ============ CONTROLS ============ */
.controls {
  display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.search-input {
  flex: 2; min-width: 180px;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border); border-radius: 0.5rem;
  background: var(--card-bg); color: var(--text-color);
  font-size: 0.95rem;
}
.search-input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.sort-select, select {
  padding: 0.6rem; border: 1px solid var(--border); border-radius: 0.5rem;
  background: var(--card-bg); color: var(--text-color); flex: 1; min-width: 120px;
}
.btn-toggle {
  padding: 0.6rem 1rem; border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text-color);
  border-radius: 0.5rem; cursor: pointer; font-weight: 500; flex: 1; min-width: 80px;
}
.btn-toggle.active { background: var(--primary); color: white; border-color: var(--primary); }

/* ============ ITEMS CONTAINER ============ */
.items-container { display: grid; gap: 1rem; }
.view-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.view-list { display: flex; flex-direction: column; }

/* ============ MODO COMPACTO ============ */
body.compact-mode .view-grid {
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
}
body.compact-mode .item-card { padding: 0.6rem; }
body.compact-mode .item-symbol { font-size: 0.95rem; }
body.compact-mode .item-price { font-size: 1rem; }
body.compact-mode .sparkline { height: 20px; }

/* ============ SECCIÓN AGRUPADA ============ */
.section-header {
  grid-column: 1 / -1;
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: #6b7280; padding: 0.5rem 0; margin-top: 0.5rem;
  border-bottom: 2px solid var(--border);
  display: flex; align-items: center; gap: 0.5rem;
}
body.dark-mode .section-header { color: #94a3b8; }

/* ============ SWIPE WRAPPER (DINÁMICO) ============ */
.item-card-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  background: transparent; /* Sin color por defecto */
  transition: background 0.15s ease;
}

/* Fondo amarillo cuando se desliza a la derecha (favorito) */
.item-card-wrapper.swiping-right {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
}

/* Fondo azul cuando se desliza a la izquierda (menú) */
.item-card-wrapper.swiping-left {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

/* Ícono que aparece al deslizar */
.swipe-icon-indicator {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: white;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.swipe-icon-indicator.left {
  left: 20px;
}

.swipe-icon-indicator.right {
  right: 20px;
}

.item-card-wrapper.swiping-right .swipe-icon-indicator.left {
  opacity: 1;
}

.item-card-wrapper.swiping-left .swipe-icon-indicator.right {
  opacity: 1;
}

/* La tarjeta se mueve por encima */
.item-card-wrapper .item-card {
  position: relative;
  z-index: 2;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
  border-radius: 0.75rem;
  background: var(--card-bg);
}

.item-card-wrapper .item-card.swiping {
  transition: none;
}

/* ============ ITEM CARD ============ */
.item-card {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.4s ease backwards;
  animation-delay: calc(var(--i, 0) * 25ms);
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-list .item-card {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center; gap: 1rem;
  padding: 0.75rem 1rem;
}

.item-card:hover { box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.item-card.favorite { border-left: 4px solid var(--primary); }

.item-card.has-gradient {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  border: none;
}
.item-card.has-gradient .item-meta { color: rgba(255, 255, 255, 0.85); }
.item-card.has-gradient .btn-fav { color: rgba(255, 255, 255, 0.6); }
.item-card.has-gradient.favorite .btn-fav { color: #fde047; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); }
.item-card.has-gradient .btn-menu { color: rgba(255, 255, 255, 0.8); }
.item-card.has-gradient .btn-menu:hover { background: rgba(255,255,255,0.2); }
.item-card.has-gradient .edit-name-input {
  background: rgba(255, 255, 255, 0.2); color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5); backdrop-filter: blur(4px);
}

/* ============ FLASH ANIMATION ============ */
.item-card.flash-up { animation: flashGreen 1s ease; }
.item-card.flash-down { animation: flashRed 1s ease; }
@keyframes flashGreen {
  0%, 100% { box-shadow: var(--shadow); }
  50% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.6); }
}
@keyframes flashRed {
  0%, 100% { box-shadow: var(--shadow); }
  50% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.6); }
}

/* ============ ITEM HEADER ============ */
.item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.view-list .item-header { margin-bottom: 0; }

.item-title-group { display: flex; align-items: center; gap: 4px; flex: 1; min-width: 0; overflow: hidden; }
.item-symbol { 
  font-weight: 700; font-size: 1.05rem; 
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  cursor: help;
}

.btn-menu {
  background: none; border: none; font-size: 1.2rem; cursor: pointer;
  color: var(--text-color); padding: 2px 6px; border-radius: 50%;
  transition: background 0.2s; flex-shrink: 0; line-height: 1;
}
.btn-menu:hover { background: var(--border); }

.btn-fav {
  background: none; border: none; font-size: 1.25rem; cursor: pointer;
  color: #9ca3af; transition: color 0.2s; flex-shrink: 0;
}
.btn-fav:hover { color: #fbbf24; }

.item-price { font-size: 1.15rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.price-up { color: var(--success); }
.price-down { color: var(--danger); }
.item-card.has-gradient .price-up { color: #bbf7d0; }
.item-card.has-gradient .price-down { color: #fecaca; }

.item-meta { font-size: 0.75rem; color: #6b7280; margin-top: 0.25rem; display: flex; justify-content: space-between; align-items: center; gap: 4px; }
body.dark-mode .item-meta { color: #94a3b8; }

.portfolio-tag {
  background: rgba(255,255,255,0.25); padding: 1px 6px; border-radius: 8px;
  font-size: 0.7rem; font-weight: 600;
}
.item-card:not(.has-gradient) .portfolio-tag {
  background: var(--primary); color: white;
}

.volatility-indicator {
  font-size: 0.9rem;
  margin-left: 4px;
}

/* ============ SPARKLINE ============ */
.sparkline {
  width: 100%; height: 30px; margin-top: 0.5rem;
  display: block;
}
.sparkline-path { fill: none; stroke: rgba(255,255,255,0.7); stroke-width: 1.5; }
.item-card:not(.has-gradient) .sparkline-path { stroke: var(--primary); }

/* ============ EDIT INPUTS ============ */
.edit-name-input, .portfolio-mini-input {
  width: 100%; padding: 3px 6px;
  font-size: 1.05rem; font-weight: 700;
  border: 1px solid var(--primary); border-radius: 4px;
  background: var(--bg-color); color: var(--text-color); outline: none;
}

/* ============ SKELETON ============ */
.skeleton {
  background: var(--border);
  border-radius: 0.75rem;
  height: 120px;
  position: relative;
  overflow: hidden;
}
.skeleton::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============ LOAD MORE ============ */
#btn-load-more {
  display: block; width: 100%; padding: 1rem; margin-top: 1rem;
  background: var(--card-bg); border: 1px solid var(--border);
  color: var(--primary); font-weight: 600; border-radius: 0.5rem; cursor: pointer;
}
.hidden { display: none !important; }

/* ============ FABs ============ */
.fab {
  position: fixed;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 90;
}
.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}
.fab-scroll-top {
  bottom: 80px;
  right: 20px;
}
.fab-quick-calc {
  bottom: 20px;
  right: 20px;
}

/* ============ QUICK CALC POPUP (COMPACTO) ============ */
.quick-calc-popup {
  position: fixed;
  bottom: 90px;
  right: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.85rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 95;
  width: calc(100vw - 40px);
  max-width: 320px;
}
.quick-calc-row {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin: 0.4rem 0;
}
.quick-calc-popup input {
  flex: 1;
  min-width: 0;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 0.95rem;
}
.quick-calc-popup select {
  flex: 1;
  min-width: 0;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 0.85rem;
}
.quick-calc-popup button {
  display: block;
  margin: 0.4rem auto;
  background: var(--primary);
  color: white;
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
}
.quick-calc-result {
  flex: 1;
  min-width: 0;
  padding: 0.5rem;
  background: var(--bg-color);
  border-radius: 0.5rem;
  text-align: right;
  font-weight: 700;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ MODAL ============ */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; justify-content: center; align-items: center;
  z-index: 200; padding: 1rem; backdrop-filter: blur(2px);
}
.modal-content {
  background: var(--card-bg); border-radius: 1rem; padding: 1.5rem;
  width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto;
  position: relative; box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.calc-modal-content { max-width: 500px; padding: 2rem; }
.close-modal {
  position: absolute; top: 1rem; right: 1rem; font-size: 1.5rem;
  cursor: pointer; color: var(--text-color);
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.75rem; border: 1px solid var(--border);
  border-radius: 0.5rem; background: var(--bg-color); color: var(--text-color);
  margin-bottom: 0.5rem;
}
.note-textarea {
  width: 100%;
  min-height: 140px;
  max-height: 300px;
  padding: 0.85rem;
  border: 2px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg-color);
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-bottom: 1rem;
}
.btn-primary, .btn-secondary {
  width: 100%; padding: 0.75rem; border: none; border-radius: 0.5rem;
  font-weight: 600; cursor: pointer; margin-top: 0.5rem;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-color); color: var(--text-color); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger {
  width: 100%; padding: 0.75rem; background: var(--danger); color: white;
  border: none; border-radius: 0.5rem; font-weight: 600; cursor: pointer; margin-top: 0.5rem;
}
.btn-row { display: flex; gap: 0.5rem; }
.btn-row button { flex: 1; margin-top: 0; }
.divider { border: 0; border-top: 1px solid var(--border); margin: 1.5rem 0; }

.list-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.5rem; background: var(--bg-color); border-radius: 0.5rem;
  margin-bottom: 0.5rem; font-size: 0.9rem; word-break: break-all;
}
.btn-delete { background: none; border: none; cursor: pointer; font-size: 1rem; opacity: 0.7; }
.btn-delete:hover { opacity: 1; }

/* ============ CALCULADORA ============ */
.calc-row {
  display: flex; 
  gap: 0.75rem; 
  align-items: center; 
  margin: 1rem 0;
  flex-wrap: wrap;
}
.calc-input {
  flex: 1; 
  min-width: 120px;
  padding: 1rem; 
  font-size: 1.3rem; 
  font-weight: 700;
  border: 2px solid var(--border); 
  border-radius: 0.75rem;
  background: var(--bg-color); 
  color: var(--text-color);
  font-variant-numeric: tabular-nums;
}
.calc-input:focus { 
  outline: none; 
  border-color: var(--primary); 
}
.calc-select {
  flex: 1; 
  min-width: 140px;
  padding: 0.85rem; 
  font-size: 1rem; 
  font-weight: 600;
  border: 2px solid var(--border); 
  border-radius: 0.75rem;
  background: var(--bg-color); 
  color: var(--text-color);
}
.calc-swap {
  display: block; 
  margin: 0.5rem auto;
  background: var(--primary); 
  color: white;
  border: none; 
  width: 44px; 
  height: 44px; 
  border-radius: 50%;
  font-size: 1.3rem; 
  cursor: pointer; 
  transition: transform 0.2s;
}
.calc-swap:hover { 
  transform: rotate(180deg); 
}
.calc-result {
  flex: 1; 
  min-width: 120px;
  padding: 1rem; 
  font-size: 1.3rem; 
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white; 
  border-radius: 0.75rem; 
  text-align: right;
  font-variant-numeric: tabular-nums;
  min-height: 60px; 
  display: flex; 
  align-items: center; 
  justify-content: flex-end;
  word-break: break-word;
}
.calc-rate {
  text-align: center; 
  font-size: 0.85rem; 
  color: #6b7280;
  padding: 0.75rem; 
  background: var(--bg-color); 
  border-radius: 0.5rem;
  margin-top: 0.5rem;
}

/* ============ CATEGORY MODAL ============ */
.category-current-list {
  margin-bottom: 1rem;
}
.category-tag {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  margin: 0.25rem;
  cursor: pointer;
}
.category-tag:hover {
  background: var(--danger);
}

/* ============ PORTFOLIO POPUP ============ */
.portfolio-popup {
  position: fixed;
  z-index: 1000;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: popupFadeIn 0.2s ease;
  max-width: calc(100vw - 30px);
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}
.portfolio-popup .popup-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-color);
  opacity: 0.7;
  white-space: nowrap;
}

.portfolio-popup input {
  width: 110px;
  padding: 0.5rem 0.6rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 0.95rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  outline: none;
  transition: border-color 0.2s;
}
.portfolio-popup input:focus {
  border-color: var(--primary);
}
.portfolio-popup button {
  background: var(--success);
  color: white;
  border: none;
  padding: 0.5rem 0.85rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}
.portfolio-popup button:hover {
  background: #059669;
}
.portfolio-popup button:active {
  transform: scale(0.95);
}

/* ============ PORTFOLIO BREAKDOWN ============ */
.breakdown-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem; background: var(--bg-color); border-radius: 0.5rem;
  margin-bottom: 0.5rem;
}
.breakdown-item .sym { font-weight: 700; }
.breakdown-item .val { text-align: right; }
.breakdown-item .amt { font-size: 0.85rem; color: #6b7280; }

/* ============ CONTEXT MENU ============ */
.context-menu {
  position: fixed;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 1000;
  min-width: 200px;
  padding: 0.4rem;
  animation: ctxFadeIn 0.15s ease;
}
@keyframes ctxFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.ctx-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: none;
  border: none;
  border-radius: 0.5rem;
  color: var(--text-color);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}
.ctx-item:hover {
  background: var(--bg-color);
}
.ctx-item:active {
  background: var(--border);
}

/* ============ TOAST ============ */
.toast {
  position: fixed; bottom: 2rem; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1e293b; color: white; padding: 0.75rem 1.5rem;
  border-radius: 2rem; font-size: 0.9rem; font-weight: 500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 3000; white-space: nowrap; max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); }

/* ============ PREVENIR SELECCIÓN ============ */
.item-card {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
.item-card input, .item-card textarea {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

/* ============ SPARKLINE CLICKABLE ============ */
.sparkline {
  cursor: pointer;
  transition: opacity 0.2s;
}
.sparkline:hover {
  opacity: 0.8;
}

/* ============ CHART MODAL ============ */
.chart-modal-content {
  max-width: 600px;
  padding: 1.5rem;
}

.chart-range-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.chart-range-btn {
  flex: 1;
  min-width: 60px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.chart-range-btn:hover {
  background: var(--border);
}

.chart-range-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.chart-container {
  background: var(--bg-color);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-svg {
  width: 100%;
  height: 250px;
  display: block;
}

.chart-line {
  fill: none;
  stroke: var(--primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-area {
  fill: url(#chartGradient);
  opacity: 0.3;
}

.chart-axis-line {
  stroke: var(--border);
  stroke-width: 1;
}

.chart-axis-text {
  fill: var(--text-color);
  font-size: 0.7rem;
  opacity: 0.6;
}

.chart-grid-line {
  stroke: var(--border);
  stroke-width: 0.5;
  opacity: 0.3;
  stroke-dasharray: 2,2;
}

.chart-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.chart-stat {
  background: var(--bg-color);
  padding: 0.75rem;
  border-radius: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.chart-stat-label {
  font-size: 0.75rem;
  color: #6b7280;
  font-weight: 500;
}

.chart-stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-color);
  font-variant-numeric: tabular-nums;
}

body.dark-mode .chart-stat-label {
  color: #94a3b8;
}

@media (max-width: 600px) {
  .chart-modal-content {
    padding: 1rem;
  }
  .chart-svg {
    height: 200px;
  }
  .chart-stats {
    grid-template-columns: 1fr;
  }
  .chart-range-btn {
    font-size: 0.8rem;
    padding: 0.4rem;
  }
  .portfolio-popup {
    left: 15px !important;
    right: 15px !important;
    bottom: 15px !important;
    top: auto !important;
    width: auto !important;
    max-width: none;
    padding: 1rem;
  }
  .portfolio-popup input {
    flex: 1;
    width: auto;
  }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 600px) {
  header { padding: 0.5rem; }
  header h1 { font-size: 1rem; }
  .portfolio-badge { font-size: 0.75rem; padding: 0.25rem 0.5rem; }
  .btn-icon { font-size: 1.1rem; padding: 0.4rem; }
  .view-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  
  .top-movers { grid-template-columns: 1fr; }
  
  .fab {
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
  }
  .fab-scroll-top {
    bottom: 70px;
    right: 15px;
  }
  .fab-quick-calc {
    bottom: 15px;
    right: 15px;
  }
  
  .quick-calc-popup {
    bottom: 75px;
    right: 15px;
    left: 15px;
    width: auto;
    max-width: none;
    padding: 0.75rem;
  }
  .quick-calc-popup input,
  .quick-calc-popup select {
    font-size: 0.85rem;
    padding: 0.45rem;
  }
  .quick-calc-result {
    font-size: 0.85rem;
  }
  
  .context-menu {
    min-width: 180px;
    max-width: calc(100vw - 30px);
  }
  .ctx-item {
    padding: 0.75rem;
    font-size: 0.95rem;
  }
  
  .calc-modal-content {
    padding: 1.5rem;
  }
  .calc-input, .calc-select {
    font-size: 1.1rem;
    padding: 0.85rem;
  }
  .calc-result {
    font-size: 1.1rem;
  }
}
.connection-status {
  font-size: 0.75rem;
  color: #6b7280;
  background: var(--bg-color);
  padding: 0.25rem 0.6rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
}