:root {
  --bg: #0d0d10;
  --surface: #16161c;
  --card: #1e1e28;
  --border: rgba(255,255,255,0.07);
  --primary: #7c3aed;
  --primary-glow: rgba(124,58,237,0.25);
  --hot: #ef4444;
  --warm: #f59e0b;
  --cold: #6b7280;
  --closed: #10b981;
  --text: #f0f0f5;
  --dim: #7b7b99;
  --font: 'Inter', sans-serif;
  --heading: 'Outfit', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  overflow-x: hidden;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(22,22,28,0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--heading);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.03em;
}

.logo span { color: var(--primary); }

.header-left { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.header-right { display: flex; gap: 0.75rem; }

.week-metrics {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.metric-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 10px;
  padding: 0.3rem 0.75rem;
  font-size: 0.7rem;
  color: var(--dim);
}

.metric-chip strong {
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
}

.btn-new {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.btn-new:hover { background: #6d28d9; transform: translateY(-1px); }

.btn-export {
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.btn-export:hover { border-color: var(--primary); color: var(--text); }

/* CONTROLS */
.controls {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 2rem;
  flex-wrap: wrap;
}

.controls input, .controls select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
}

.controls input { flex: 1; min-width: 200px; }
.controls select { min-width: 160px; }
.controls input:focus, .controls select:focus { border-color: var(--primary); }

/* BOARD */
.board {
  display: flex;
  gap: 1rem;
  padding: 1rem 2rem 2rem;
  overflow-x: auto;
  min-height: calc(100vh - 160px);
  align-items: flex-start;
}

.board::-webkit-scrollbar { height: 6px; }
.board::-webkit-scrollbar-track { background: transparent; }
.board::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* COLUMN */
.col {
  flex: 0 0 260px;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 180px);
}

.col-header {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--surface);
  border-radius: 16px 16px 0 0;
}

.col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.col-count {
  background: rgba(255,255,255,0.08);
  color: var(--dim);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}

.col-body {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  overflow-y: auto;
  flex: 1;
}

.col-body::-webkit-scrollbar { width: 3px; }
.col-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* LEAD CARD */
.lead-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.lead-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
}

.lead-card.hot::before { background: var(--hot); }
.lead-card.warm::before { background: var(--warm); }
.lead-card.cold::before { background: var(--cold); }
.lead-card.closed-win::before { background: var(--closed); }
.lead-card.closed-lost::before { background: #374151; }

.lead-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.4rem;
}

.card-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.priority-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  white-space: nowrap;
}

.priority-badge.P1 { background: rgba(239,68,68,0.15); color: #ef4444; }
.priority-badge.P2 { background: rgba(245,158,11,0.15); color: #f59e0b; }
.priority-badge.P3 { background: rgba(107,114,128,0.15); color: #9ca3af; }

.card-business {
  font-size: 0.78rem;
  color: var(--dim);
  margin-bottom: 0.5rem;
}

.type-pill {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 5px;
  background: rgba(124,58,237,0.12);
  color: #a78bfa;
  margin-bottom: 0.5rem;
}

.card-action {
  font-size: 0.75rem;
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-radius: 7px;
  padding: 0.35rem 0.5rem;
  border-left: 2px solid var(--primary);
  margin-top: 0.5rem;
}

.card-action::before { content: "👉 "; }

.card-date {
  font-size: 0.65rem;
  color: var(--dim);
  margin-top: 0.5rem;
}

/* COLUMN COLORS */
.col[data-col="Cerrado 💰"] .col-title { color: var(--closed); }
.col[data-col="No interesado ❌"] .col-title { color: var(--cold); }
.col[data-col="En cierre"] .col-title { color: var(--warm); }
.col[data-col="Nuevo lead"] .col-title { color: #60a5fa; }

/* MODAL */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.open { display: flex; }

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  animation: slideUp 0.2s ease;
}

.detail-box { max-width: 500px; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-family: var(--heading);
  font-size: 1.2rem;
  font-weight: 900;
}

.close-btn {
  cursor: pointer;
  color: var(--dim);
  font-size: 1.1rem;
  transition: color 0.2s;
}

.close-btn:hover { color: var(--text); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }

.modal-footer {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

.btn-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--dim);
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  transition: all 0.2s;
}

.btn-cancel:hover { border-color: var(--primary); color: var(--text); }

.btn-save {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: 10px;
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-save:hover { background: #6d28d9; }

.btn-edit {
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: #a78bfa;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  transition: all 0.2s;
}

.btn-delete {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: #ef4444;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  transition: all 0.2s;
}

.btn-wa {
  background: rgba(37,211,102,0.15);
  border: 1px solid rgba(37,211,102,0.35);
  color: #25d366;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.88rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-wa:hover {
  background: rgba(37,211,102,0.28);
  border-color: #25d366;
  box-shadow: 0 0 16px rgba(37,211,102,0.25);
  transform: translateY(-1px);
}

.btn-nova {
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.35);
  color: #fbbf24;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.88rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-nova:hover {
  background: rgba(245,158,11,0.28);
  border-color: #fbbf24;
  box-shadow: 0 0 16px rgba(245,158,11,0.25);
  transform: translateY(-1px);
}

/* DETAIL VIEW */
.detail-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.detail-label {
  color: var(--dim);
  font-weight: 600;
  min-width: 120px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 0.1rem;
}

.detail-value { color: var(--text); flex: 1; }

.detail-action {
  background: rgba(124,58,237,0.1);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 1rem 1.5rem;
  font-size: 0.88rem;
  color: var(--text);
}

/* EMPTY STATE */
.empty-col {
  color: var(--dim);
  font-size: 0.78rem;
  text-align: center;
  padding: 1.5rem 0.5rem;
}

/* RESPONSIVE */
@media (max-width: 640px) {
  header { padding: 0.75rem 1rem; }
  .controls { padding: 0.75rem 1rem; }
  .board { padding: 0.75rem 1rem 2rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: 1; }
}