/* ── Theme variables ────────────────────────────────────────────────────────── */
/* Default: soft light theme */
:root {
  --bg:            #f2f2f7;
  --surface:       #ffffff;
  --card:          #ffffff;
  --card-hover:    #ebebf2;
  --border:        #dcdce6;
  --accent:        #6366f1;
  --accent-dim:    #ede9fe;
  --accent-hover:  #4f46e5;
  --text:          #1c1c2e;
  --text-muted:    #6b6b80;
  --text-faint:    #b0b0c0;
  --success:       #16a34a;
  --success-dim:   #dcfce7;
  --warning:       #d97706;
  --warning-dim:   #fef3c7;
  --danger:        #e11d48;
  --danger-dim:    #fee2e2;

  --oposicion:     #7c3aed;
  --bolsa:         #0891b2;
  --oferta:        #16a34a;
  --ue:            #ea580c;
}

[data-theme="dark"] {
  --bg:            #16161a;
  --surface:       #1f1f26;
  --card:          #27272f;
  --card-hover:    #2e2e38;
  --border:        #3a3a46;
  --accent:        #818cf8;
  --accent-dim:    #2d2f5a;
  --accent-hover:  #a5b4fc;
  --text:          #ebebf0;
  --text-muted:    #9090a0;
  --text-faint:    #58586a;
  --success:       #4ade80;
  --success-dim:   #1a3a28;
  --warning:       #fbbf24;
  --warning-dim:   #3d2a00;
  --danger:        #fb7185;
  --danger-dim:    #4a1220;

  --oposicion:     #c084fc;
  --bolsa:         #38bdf8;
  --oferta:        #4ade80;
  --ue:            #fb923c;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

h1, h2, h3 { font-weight: 600; line-height: 1.3; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Inputs ───────────────────────────────────────────────────────────────── */
input[type="text"],
input[type="password"],
input[type="url"],
input[type="date"],
textarea,
select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  transition: border-color 0.15s;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 80px; }
select { cursor: pointer; }
select option { background: var(--surface); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--card-hover); }
.btn-primary {
  background: var(--accent); border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { background: var(--danger-dim); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 0.35rem 0.8rem; font-size: 0.8rem; }
.btn-icon {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 1.1rem; padding: 0.25rem;
  border-radius: 5px; line-height: 1;
}
.btn-icon:hover { color: var(--text); background: var(--card-hover); }

/* ── Header ───────────────────────────────────────────────────────────────── */
#app-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  height: 54px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
#app-header h1 { font-size: 1rem; white-space: nowrap; color: var(--accent); letter-spacing: -0.01em; }

.header-nav { display: flex; gap: 0.25rem; flex: 1; overflow-x: auto; }
.nav-btn {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: 7px; border: none;
  background: none; color: var(--text-muted);
  font-size: 0.875rem; font-family: inherit; cursor: pointer;
  transition: background 0.15s, color 0.15s;
  position: relative;
}
.nav-btn:hover { background: var(--card); color: var(--text); }
.nav-btn.active { background: var(--accent-dim); color: var(--accent); }
.nav-icon { font-size: 0.95rem; }
.nav-label { display: none; }
@media (min-width: 480px) { .nav-label { display: inline; } }

.badge {
  background: var(--danger); color: #fff;
  border-radius: 10px; font-size: 0.7rem; font-weight: 700;
  padding: 0 0.4rem; min-width: 18px; text-align: center;
  line-height: 18px; height: 18px;
}

.header-right { display: flex; gap: 0.25rem; margin-left: auto; }

/* ── Main / Views ─────────────────────────────────────────────────────────── */
#app-main { padding: 1.25rem; max-width: 1400px; margin: 0 auto; }

.view { display: none; }
.view.active { display: block; }

.view-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: 0.75rem;
}
.view-header h2 { font-size: 1.15rem; }
.view-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.15rem; }

/* ── Filter bar ───────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex; gap: 0.75rem; flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.filter-bar input, .filter-bar select { max-width: 220px; flex: 1; min-width: 120px; }

/* ── Opportunity cards ────────────────────────────────────────────────────── */
.opp-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  align-items: start;
}
@media (max-width: 1100px) { .opp-list { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 750px)  { .opp-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px)  { .opp-list { grid-template-columns: 1fr; } }

.opp-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 0.9rem 0.65rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.07);
}
.opp-card:hover { background: var(--card-hover); border-color: var(--accent); box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.opp-card.archived { opacity: 0.6; }

.opp-card-main { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; }
.opp-card-row1 { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.opp-title {
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.opp-entity { color: var(--text-muted); font-size: 0.78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.opp-card-meta { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.type-badge {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  padding: 0.15rem 0.5rem; border-radius: 5px; white-space: nowrap;
  letter-spacing: 0.03em;
}
.type-oposicion { background: color-mix(in srgb, var(--oposicion) 20%, transparent); color: var(--oposicion); }
.type-bolsa     { background: color-mix(in srgb, var(--bolsa) 20%, transparent); color: var(--bolsa); }
.type-oferta    { background: color-mix(in srgb, var(--oferta) 20%, transparent); color: var(--oferta); }
.type-ue        { background: color-mix(in srgb, var(--ue) 20%, transparent); color: var(--ue); }

.status-archived {
  font-size: 0.7rem; padding: 0.15rem 0.5rem;
  background: var(--card-hover); border: 1px solid var(--border);
  border-radius: 5px; color: var(--text-muted);
}

.status-waiting {
  font-size: 0.7rem; padding: 0.15rem 0.5rem;
  background: rgba(234, 179, 8, 0.12); border: 1px solid rgba(234, 179, 8, 0.35);
  border-radius: 5px; color: #ca8a04;
}

.opp-card.waiting {
  opacity: 0.75;
  border-left: 3px solid rgba(234, 179, 8, 0.5);
}

/* Progress bar */
.progress-bar { display: flex; align-items: center; gap: 0.5rem; }
.progress-track {
  width: 60px; height: 5px;
  background: var(--border); border-radius: 3px; overflow: hidden;
}
.progress-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width 0.3s; }
.progress-label { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

/* Deadline */
.deadline { font-size: 0.78rem; white-space: nowrap; }
.deadline-ok      { color: var(--text-muted); }
.deadline-soon    { color: var(--warning); font-weight: 600; }
.deadline-urgent  { color: var(--danger); font-weight: 700; }
.deadline-overdue { color: var(--danger); font-weight: 700; text-decoration: line-through; }

/* Last reviewed */
.last-reviewed { font-size: 0.75rem; color: var(--text-muted); }
.stale { color: var(--warning); }

/* Pending reasons */
.pending-reasons { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.3rem; }
.pending-tag {
  font-size: 0.72rem; padding: 0.1rem 0.45rem;
  border-radius: 4px; border: 1px solid;
}
.pending-tag.stale-tag { color: var(--warning); border-color: var(--warning); }
.pending-tag.deadline-tag { color: var(--danger); border-color: var(--danger); }

.opp-card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.opp-card-action-btn {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  flex: 1;
  text-align: center;
}
.opp-card-action-btn:hover { background: var(--card-hover); color: var(--text); border-color: var(--accent); }
.opp-card-action-btn.btn-waiting { border-color: rgba(234,179,8,0.4); color: #ca8a04; }
.opp-card-action-btn.btn-waiting:hover { background: rgba(234,179,8,0.1); }
.opp-card-action-btn.btn-reactivar { border-color: var(--accent); color: var(--accent); }
.waiting-quick { opacity: 0.5; font-size: 0.85rem; }
.waiting-quick:hover { opacity: 1; }
.waiting-quick.waiting-active { opacity: 1; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state p { font-size: 0.9rem; }

/* ── Pending sub-sections ────────────────────────────────────────────────── */
.pending-section { margin-bottom: 2rem; }

.pending-section-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  margin-bottom: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
}
.pending-section-icon { font-size: 1rem; line-height: 1; }
.pending-section-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
  white-space: nowrap;
}
.pending-section-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex: 1;
}
.pending-section-count {
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0 0.5rem;
  min-width: 22px;
  height: 20px;
  line-height: 20px;
  text-align: center;
}
.pending-sublist { margin-left: 0.5rem; }
.empty-subsection {
  font-size: 0.83rem;
  color: var(--text-faint);
  padding: 0.6rem 0.5rem;
}

/* ── Technologies grid ────────────────────────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.75rem;
}
.tech-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  display: flex; flex-direction: column; gap: 0.4rem;
  transition: border-color 0.15s;
}
.tech-card:hover { border-color: var(--accent); }
.tech-card-header { display: flex; align-items: center; justify-content: space-between; }
.tech-name { font-weight: 600; font-size: 0.95rem; }
.tech-actions { display: flex; gap: 0.25rem; }

.familiarity-badge {
  font-size: 0.7rem; font-weight: 700; padding: 0.15rem 0.5rem;
  border-radius: 5px; text-transform: uppercase;
}
.fam-no_se  { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.fam-conozco { background: color-mix(in srgb, var(--warning) 15%, transparent); color: var(--warning); }
.fam-domino { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }

.tech-meta { font-size: 0.78rem; color: var(--text-muted); }
.tech-opp-count { font-size: 0.75rem; color: var(--text-faint); }

/* ── Modals ───────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 1rem;
  z-index: 200;
  overflow-y: auto;
}
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 700px;
  margin: auto;
  overflow: hidden;
  animation: modal-in 0.15s ease;
}
.modal-large { max-width: 900px; }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.05rem; }

.modal-body { padding: 1.25rem; }

/* Two-column modal layout */
.modal-cols {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1.5rem;
}
@media (max-width: 660px) { .modal-cols { grid-template-columns: 1fr; } }

.detail-section { margin-bottom: 1.5rem; }
.detail-section:last-child { margin-bottom: 0; }
.detail-section h3 {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted); margin-bottom: 0.75rem;
}
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.75rem;
}
.section-header h3 { margin-bottom: 0; }

/* Checkpoints */
.checkpoint-item {
  display: flex; align-items: flex-start; gap: 0.6rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.checkpoint-item:last-child { border-bottom: none; }
.checkpoint-item input[type="checkbox"] {
  width: 16px; height: 16px; margin-top: 2px; flex-shrink: 0;
  cursor: pointer; accent-color: var(--accent);
}
.checkpoint-content { flex: 1; min-width: 0; }
.checkpoint-label {
  font-size: 0.88rem;
  transition: color 0.15s;
}
.checkpoint-label.done { text-decoration: line-through; color: var(--text-muted); }
.checkpoint-date { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.15rem; }
.checkpoint-detail-input {
  margin-top: 0.4rem; font-size: 0.8rem; padding: 0.3rem 0.5rem;
}
.checkpoint-delete { opacity: 0; transition: opacity 0.15s; }
.checkpoint-item:hover .checkpoint-delete { opacity: 1; }

/* Info list */
.info-list { display: flex; flex-direction: column; gap: 0.6rem; }
.info-item label { display: block; font-size: 0.72rem; color: var(--text-muted); margin-bottom: 0.2rem; text-transform: uppercase; letter-spacing: 0.05em; }
.info-item .info-value { font-size: 0.88rem; word-break: break-all; }

/* Action buttons */
.action-buttons { display: flex; flex-direction: column; gap: 0.5rem; }

/* Activity log */
.log-list { display: flex; flex-direction: column; gap: 0.3rem; }
.log-item { font-size: 0.78rem; }
.log-action { color: var(--text); }
.log-time { color: var(--text-faint); }
.log-detail { color: var(--text-muted); font-style: italic; }

/* Form */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.4rem; }
.form-group input[type="date"] { color-scheme: dark; }
[data-theme="light"] .form-group input[type="date"] { color-scheme: light; }
.form-actions { display: flex; gap: 0.75rem; justify-content: flex-end; margin-top: 1.25rem; }

/* Linked tech list */
.linked-tech-list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.6rem; }
.linked-tech-tag {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: var(--accent-dim); color: var(--accent);
  border-radius: 5px; font-size: 0.78rem;
  padding: 0.2rem 0.5rem;
}
.linked-tech-tag button {
  background: none; border: none; color: var(--accent);
  cursor: pointer; font-size: 0.85rem; padding: 0; line-height: 1;
}

/* Modal meta line */
.modal-meta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.4rem; }
.modal-meta .type-badge { font-size: 0.72rem; }

/* Message */
.message { padding: 0.6rem 0.8rem; border-radius: 7px; font-size: 0.85rem; margin-top: 0.75rem; }
.message.success { background: var(--success-dim); color: var(--success); }
.message.error { background: var(--danger-dim); color: var(--danger); }
.message.hidden { display: none; }

/* Toast */
#toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.6rem 1rem;
  font-size: 0.85rem; z-index: 999;
  transform: translateY(120%); transition: transform 0.25s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
#toast.show { transform: translateY(0); }
#toast.toast-success { border-color: var(--success); }
#toast.toast-error   { border-color: var(--danger); color: var(--danger); }

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