/* ═══════════════════════════════════════════════════════
   AI STRATEGY HUB — Black & Yellow Theme
   ═══════════════════════════════════════════════════════ */

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

:root {
  --bg:         #0a0a0a;
  --bg-2:       #111111;
  --bg-3:       #1a1a1a;
  --border:     #2a2a2a;
  --border-2:   #333333;
  --yellow:     #FFD700;
  --yellow-dim: #c9a900;
  --yellow-bg:  rgba(255, 215, 0, 0.08);
  --yellow-bg2: rgba(255, 215, 0, 0.15);
  --text:       #f0f0f0;
  --text-muted: #888888;
  --text-dim:   #555555;
  --red:        #ef4444;
  --blue:       #3b82f6;
  --green:      #22c55e;
  --orange:     #f97316;
  --radius:     10px;
  --radius-lg:  16px;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --shadow-y:   0 4px 24px rgba(255,215,0,0.12);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--yellow); color: #000; }

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--yellow-dim); }

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3 { line-height: 1.2; font-weight: 700; }
.accent { color: var(--yellow); }

/* ── Layout ────────────────────────────────────────────── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section   { padding: 80px 0; }
.section-dark { background: var(--bg-2); }

/* ── Header ────────────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  height: 64px;
  display: flex; align-items: center; gap: 32px;
}

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-icon { font-size: 1.4rem; color: var(--yellow); line-height: 1; }
.logo-text { font-size: 1.05rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.logo-accent { color: var(--yellow); }

.nav { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--yellow); background: var(--yellow-bg); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.2s; }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 0.9rem; font-weight: 600;
  padding: 10px 22px; border-radius: var(--radius); border: 2px solid transparent;
  cursor: pointer; text-decoration: none; transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--yellow); color: #000; border-color: var(--yellow);
}
.btn-primary:hover { background: var(--yellow-dim); border-color: var(--yellow-dim); transform: translateY(-1px); box-shadow: var(--shadow-y); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent; color: var(--yellow); border-color: var(--yellow);
}
.btn-outline:hover { background: var(--yellow-bg); }

.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 24px;
  background: var(--bg);
}
.hero-inner { max-width: 680px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  background: var(--yellow-bg); border: 1px solid rgba(255,215,0,0.3);
  color: var(--yellow); font-size: 0.8rem; font-weight: 600;
  padding: 5px 14px; border-radius: 100px; margin-bottom: 24px;
  letter-spacing: 0.05em; text-transform: uppercase;
}
.hero-title { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; margin-bottom: 20px; letter-spacing: -0.02em; }
.hero-sub { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 36px; max-width: 520px; margin-left: auto; margin-right: auto; }

.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,215,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,215,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at center, black, transparent);
}

/* ── Section Headers ───────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  color: var(--yellow); letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
.section-desc { color: var(--text-muted); font-size: 1rem; max-width: 520px; margin: 0 auto; }
.subsection-title { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.subsection-desc { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 24px; }

/* ── Form Card ─────────────────────────────────────────── */
.form-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  max-width: 860px; margin: 0 auto; box-shadow: var(--shadow);
}

.form-row { display: flex; gap: 20px; }
.form-row-2 > * { flex: 1; }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.required { color: var(--yellow); }

input[type="text"],
select,
textarea {
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 10px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  outline: none;
}
input[type="text"]::placeholder, textarea::placeholder { color: var(--text-dim); }

input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255,215,0,0.15);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
select option { background: var(--bg-3); color: var(--text); }

textarea { resize: vertical; }

.form-error { font-size: 0.78rem; color: var(--red); min-height: 18px; }

/* Radio group */
.radio-group { display: flex; gap: 20px; padding-top: 6px; }
.radio-option {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 0.9rem; color: var(--text);
  user-select: none;
}
.radio-option input[type="radio"] { position: absolute; opacity: 0; width: 0; }
.radio-custom {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--border-2);
  background: var(--bg-3);
  flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.radio-option:has(input:checked) .radio-custom {
  border-color: var(--yellow);
  background: var(--yellow);
}
.radio-option:has(input:checked) .radio-custom::after {
  content: '';
  position: absolute; inset: 3px;
  border-radius: 50%; background: #000;
}

.form-actions { margin-top: 8px; }
.form-actions .btn { width: 100%; }

/* Spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.btn-spinner svg { width: 18px; height: 18px; animation: spin 0.8s linear infinite; }

/* Form Success */
.form-success { text-align: center; padding: 48px 24px; }
.success-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--yellow); color: #000;
  font-size: 1.8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.form-success h3 { font-size: 1.4rem; margin-bottom: 8px; }
.form-success p { color: var(--text-muted); margin-bottom: 24px; }

/* Input error state */
input.error, select.error, textarea.error {
  border-color: var(--red) !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.15) !important;
}

/* ── KPI Cards ─────────────────────────────────────────── */
.kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 48px;
}

.kpi-card {
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 20px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.2s, transform 0.2s;
}
.kpi-card:hover { border-color: var(--border-2); transform: translateY(-2px); }
.kpi-card-accent { border-color: rgba(255,215,0,0.3); background: var(--yellow-bg); }
.kpi-card-accent .kpi-value { color: var(--yellow); }

.kpi-icon { font-size: 1.3rem; }
.kpi-value { font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1; }
.kpi-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* ── Kanban ────────────────────────────────────────────── */
.kanban-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }

.kanban-board { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-bottom: 64px; }
#col-backlog    { grid-column: span 2; }
#col-evaluacion { grid-column: span 2; }
#col-ongoing    { grid-column: span 2; }
#col-done       { grid-column: span 3; }
#col-rechazado  { grid-column: span 3; }

.kanban-column {
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  min-height: 300px;
}

.kanban-col-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.kanban-col-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-gray   { background: #666; }
.dot-blue   { background: var(--blue); box-shadow: 0 0 8px rgba(59,130,246,0.5); }
.dot-yellow { background: var(--yellow); box-shadow: 0 0 8px rgba(255,215,0,0.5); }
.dot-purple { background: #a855f7; box-shadow: 0 0 8px rgba(168,85,247,0.5); }
.dot-red    { background: #ef4444; box-shadow: 0 0 8px rgba(239,68,68,0.5); }

.kanban-col-title { font-size: 0.9rem; font-weight: 700; color: var(--text); flex: 1; }
.kanban-col-count {
  background: var(--bg-2); border: 1px solid var(--border-2);
  color: var(--text-muted); font-size: 0.75rem; font-weight: 700;
  padding: 2px 8px; border-radius: 100px;
}

.kanban-cards {
  display: flex; flex-direction: column; gap: 12px;
  max-height: 420px; overflow-y: auto; padding-right: 4px;
  scrollbar-width: thin; scrollbar-color: var(--border-2) transparent;
}
.kanban-cards::-webkit-scrollbar { width: 6px; }
.kanban-cards::-webkit-scrollbar-track { background: transparent; }
.kanban-cards::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }

.kanban-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  cursor: pointer;
}
.kanban-card:hover { border-color: var(--yellow); transform: translateY(-1px); box-shadow: var(--shadow); }
.kanban-card:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }

@keyframes repoCardPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,215,0,0.55); border-color: var(--yellow); }
  60%  { box-shadow: 0 0 0 12px rgba(255,215,0,0); border-color: var(--yellow); }
  100% { box-shadow: 0 0 0 0 rgba(255,215,0,0); }
}
.repo-card-highlight { animation: repoCardPulse 1.4s ease-out 1; border-color: var(--yellow) !important; }

.kanban-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.kanban-card-name { font-size: 0.875rem; font-weight: 600; color: var(--text); line-height: 1.3; flex: 1; }
.kanban-card-problema { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kanban-card-footer { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.kanban-empty { text-align: center; padding: 32px 16px; color: var(--text-dim); font-size: 0.85rem; }

/* ── Badges ────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.7rem; font-weight: 600; padding: 3px 8px; border-radius: 100px;
  white-space: nowrap;
}

.badge-pais { background: rgba(255,215,0,0.12); color: var(--yellow); border: 1px solid rgba(255,215,0,0.25); }

.badge-estado-recibido       { background: rgba(102,102,102,0.2); color: #aaa; border: 1px solid rgba(102,102,102,0.3); }
.badge-estado-evaluacion     { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3); }
.badge-estado-priorizado     { background: rgba(249,115,22,0.15); color: #fb923c; border: 1px solid rgba(249,115,22,0.3); }
.badge-estado-desarrollo     { background: rgba(34,197,94,0.15); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); }
.badge-estado-completado     { background: rgba(255,215,0,0.15); color: var(--yellow); border: 1px solid rgba(255,215,0,0.3); }
.badge-estado-rechazado      { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }

.badge-impacto-alto   { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }
.badge-impacto-medio  { background: rgba(249,115,22,0.12); color: #fb923c; border: 1px solid rgba(249,115,22,0.25); }
.badge-impacto-bajo   { background: rgba(107,114,128,0.15); color: #9ca3af; border: 1px solid rgba(107,114,128,0.3); }

.badge-urgencia-alta  { background: rgba(239,68,68,0.12); color: #f87171; border: 1px solid rgba(239,68,68,0.25); }
.badge-urgencia-media { background: rgba(249,115,22,0.12); color: #fb923c; border: 1px solid rgba(249,115,22,0.25); }
.badge-urgencia-baja  { background: rgba(107,114,128,0.12); color: #9ca3af; border: 1px solid rgba(107,114,128,0.25); }

.badge-compromiso { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.25); }

/* ── Filters ───────────────────────────────────────────── */
.filter-select {
  background: var(--bg-3); border: 1px solid var(--border-2); color: var(--text);
  font-family: inherit; font-size: 0.85rem; padding: 8px 32px 8px 12px;
  border-radius: var(--radius); outline: none; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s;
}
.filter-select:focus { border-color: var(--yellow); }
.filter-select option { background: var(--bg-3); }

/* ── Matrix ────────────────────────────────────────────── */
.matrix-section { border-top: 1px solid var(--border); padding-top: 48px; }

.matrix-wrapper { display: flex; justify-content: center; }

.matrix-chart-container {
  position: relative;
  width: 100%; max-width: 600px;
  aspect-ratio: 1 / 1;
}

.matrix-quadrants {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr;
  pointer-events: none;
}
.quadrant {
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  opacity: 0.18; color: var(--text);
}
.q-tr { color: var(--yellow); }
.q-bl, .q-br { align-items: flex-end; padding-bottom: 16px; }
.q-tl, .q-tr { padding-top: 16px; align-items: flex-start; }

/* ── Repository ────────────────────────────────────────── */
.repo-filters {
  display: flex; gap: 12px; margin-bottom: 36px; flex-wrap: wrap;
}

.search-wrapper { position: relative; flex: 1; min-width: 200px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-muted); }
.search-input {
  background: var(--bg-2); border: 1px solid var(--border-2); color: var(--text);
  font-family: inherit; font-size: 0.9rem; padding: 9px 12px 9px 38px;
  border-radius: var(--radius); outline: none; width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input:focus { border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(255,215,0,0.12); }
.search-input::placeholder { color: var(--text-dim); }

/* Logros */
.logros-section {
  background: linear-gradient(135deg, rgba(255,215,0,0.06), rgba(255,215,0,0.02));
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: var(--radius-lg); padding: 28px; margin-bottom: 40px;
}
.logros-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.logros-icon { font-size: 1.3rem; }
.logros-title { font-size: 1.1rem; font-weight: 700; flex: 1; }
.logros-badge {
  background: var(--yellow); color: #000;
  font-size: 0.75rem; font-weight: 800;
  padding: 3px 10px; border-radius: 100px;
}

/* Repo Grid */
.repo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }

.repo-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  transition: border-color 0.2s, transform 0.15s;
  cursor: pointer;
}
.repo-card:hover { border-color: var(--border-2); transform: translateY(-2px); }
.repo-card.expanded { cursor: default; }

.repo-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.repo-card-name { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.repo-card-date { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

.repo-card-problema { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.repo-card.expanded .repo-card-problema { -webkit-line-clamp: unset; overflow: visible; display: block; }

.repo-card-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }

.repo-card-details { display: none; }
.repo-card.expanded .repo-card-details { display: block; border-top: 1px solid var(--border); padding-top: 14px; margin-top: 4px; }

.detail-row { display: flex; flex-direction: column; gap: 2px; margin-bottom: 12px; }
.detail-label { font-size: 0.72rem; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.detail-value { font-size: 0.85rem; color: var(--text-muted); line-height: 1.4; }

.repo-card-toggle { font-size: 0.78rem; color: var(--yellow); font-weight: 600; background: none; border: none; cursor: pointer; padding: 0; }

/* ── Comentarios ─────────────────────────────────────────── */
.comments-section { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }
.comments-header {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 0.72rem; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px;
}
.comments-toggle-form {
  background: none; border: 1px solid var(--border-2); color: var(--yellow);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 4px 10px; border-radius: 100px; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-transform: none;
}
.comments-toggle-form:hover { background: rgba(255,215,0,0.08); border-color: var(--yellow); }
.comments-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.comments-empty { font-size: 0.8rem; color: var(--text-dim); font-style: italic; }
.comment { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; }
.comment-head { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.comment-author { font-size: 0.78rem; font-weight: 600; color: var(--text); }
.comment-date { font-size: 0.72rem; color: var(--text-dim); }
.comment-text { font-size: 0.84rem; color: var(--text-muted); line-height: 1.45; white-space: pre-wrap; word-break: break-word; }

.comments-form { display: flex; flex-direction: column; gap: 8px; }
.comments-form input,
.comments-form textarea {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px 10px; color: var(--text); font-size: 0.85rem; font-family: inherit;
  resize: vertical; transition: border-color 0.2s;
}
.comments-form input:focus,
.comments-form textarea:focus { outline: none; border-color: var(--yellow); }
.comments-form-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.comments-error { font-size: 0.78rem; color: #f87171; }
.comments-submit {
  background: var(--yellow); color: #000; border: none; border-radius: var(--radius);
  padding: 6px 14px; font-size: 0.8rem; font-weight: 700; cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}
.comments-submit:hover:not(:disabled) { transform: translateY(-1px); }
.comments-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.repo-empty { text-align: center; padding: 48px; color: var(--text-muted); font-size: 0.9rem; }

/* ── Page Tabs ─────────────────────────────────────────── */
.page-tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  padding: 0 24px;
  justify-content: center;
}
.page-tab {
  display: flex; align-items: center; gap: 8px;
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: inherit; font-size: 0.85rem; font-weight: 600;
  padding: 12px 24px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.page-tab:hover { color: var(--text); }
.page-tab.active {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}
.page-tab-icon { font-size: 1rem; line-height: 1; }

/* ── Page Content Toggle ──────────────────────────────── */
.page-content { display: none; }
.page-content.active { display: block; }

/* ── Project Cards ────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}
a.project-card:hover {
  border-color: var(--yellow-dim);
  transform: translateY(-4px);
  box-shadow: var(--shadow-y);
}

.project-card-cover {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, var(--accent-1, var(--yellow)), var(--accent-2, #f97316));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-card-cover-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0,0,0,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
    linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 24px 24px, 24px 24px;
}
.project-card-cover-icon {
  position: relative; z-index: 1;
  width: 72px; height: 72px;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.project-card-cover-icon svg { width: 40px; height: 40px; }

.project-card-version {
  position: absolute; top: 12px; right: 12px;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.7rem; font-weight: 700;
  padding: 3px 10px; border-radius: 100px;
  letter-spacing: 0.05em;
  z-index: 2;
}

/* ── Status Badge en tarjeta ───────────────────────── */
.project-card-status {
  position: absolute; top: 12px; left: 12px;
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.68rem; font-weight: 700;
  padding: 5px 10px 5px 8px;
  border-radius: 100px;
  letter-spacing: 0.02em;
  z-index: 2;
  text-transform: uppercase;
}
.project-card-status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #fff;
  animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}
.project-card-status.status-dev    { color: #FFD700; }
.project-card-status.status-dev .project-card-status-dot    { background: #FFD700; box-shadow: 0 0 8px rgba(255,215,0,0.6); }
.project-card-status.status-test   { color: #60A5FA; }
.project-card-status.status-test .project-card-status-dot   { background: #60A5FA; box-shadow: 0 0 8px rgba(96,165,250,0.6); }
.project-card-status.status-active { color: #4ADE80; }
.project-card-status.status-active .project-card-status-dot { background: #4ADE80; box-shadow: 0 0 8px rgba(74,222,128,0.6); }

/* ── Controles del Hub de Proyectos (buscador + filtro) ── */
.projects-controls {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.projects-search {
  position: relative;
  flex: 1; min-width: 220px;
}
.projects-search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.projects-search input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 14px 11px 40px;
  border-radius: var(--radius);
  font-family: inherit; font-size: 0.9rem;
  transition: border-color 0.2s;
}
.projects-search input::placeholder { color: var(--text-dim); }
.projects-search input:focus {
  outline: none;
  border-color: var(--yellow);
}
.projects-count {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

/* ── Asignado en Kanban / Repo ────────────────────── */
.kanban-card-asignado-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.kanban-card-asignado {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 600;
  color: var(--text);
}
.kanban-card-asignado-icon {
  width: 20px; height: 20px;
  background: var(--yellow-bg);
  border: 1px solid rgba(255,215,0,0.4);
  border-radius: 100px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--yellow);
  font-size: 0.62rem; font-weight: 700;
}
.detail-row-asignado .detail-value-asignado {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text);
  font-weight: 600;
}

.project-card-cover-img {
  background: var(--bg-3);
}
.project-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform 0.4s ease;
}
a.project-card:hover .project-card-img {
  transform: scale(1.05);
}

.project-card-cover-soon {
  background: linear-gradient(135deg, var(--bg-3), var(--border));
}
.project-card-cover-soon .project-card-cover-icon {
  background: rgba(255,255,255,0.05);
  color: var(--text-dim);
}
.project-card-soon { cursor: default; opacity: 0.6; }

.project-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.project-card-title {
  font-size: 1.1rem; font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}
.project-card-subtitle {
  font-size: 0.8rem; font-weight: 600;
  color: var(--yellow);
  margin-bottom: 10px;
}
.project-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
}
.project-card-footer {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.project-card-tag {
  font-size: 0.7rem; font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 100px;
}
.project-card-arrow {
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--yellow);
  transition: transform 0.2s;
}
a.project-card:hover .project-card-arrow { transform: translateX(4px); }

.nav-link-muted {
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 400;
  cursor: default;
}

/* ── Project Card Owner ──────────────────────────────── */
.project-card-owner {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.project-card-owner-icon {
  width: 24px; height: 24px;
  background: var(--yellow-bg);
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: 100px;
  display: flex; align-items: center; justify-content: center;
  color: var(--yellow);
  font-size: 0.72rem; font-weight: 700;
}
.project-card-owner-label { color: var(--text-dim); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; margin-right: 4px; }
.project-card-owner-name { color: var(--text); font-weight: 600; }

/* ── Projects Loading / Empty States ──────────────────── */
.projects-loading {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  padding: 60px 20px; color: var(--text-muted); font-size: 0.9rem;
}
.projects-loading[hidden] { display: none !important; }
.projects-empty[hidden] { display: none !important; }
.image-uploader-empty[hidden],
.image-uploader-preview[hidden],
.form-success[hidden] { display: none !important; }
.spinner {
  width: 32px; height: 32px;
  border: 2.5px solid var(--border);
  border-top-color: var(--yellow);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.projects-empty {
  text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.projects-empty .empty-icon {
  display: block; font-size: 3rem; color: var(--text-dim);
  margin-bottom: 16px;
}
.projects-empty h3 { color: var(--text); font-size: 1.1rem; margin-bottom: 6px; font-weight: 700; }
.projects-empty p { font-size: 0.9rem; }

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  overflow-y: auto;
  animation: modalFadeIn 0.2s ease-out;
}
.modal-overlay[hidden] { display: none !important; }
@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 560px; width: 100%;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: modalSlideUp 0.25s ease-out;
}
@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1.05rem; font-weight: 700; color: var(--text); }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 1.1rem; cursor: pointer; padding: 6px 10px;
  border-radius: 6px; transition: all 0.2s;
}
.modal-close:hover { background: var(--bg-3); color: var(--text); }

#projectForm { padding: 24px; }
#projectForm .form-actions {
  display: flex; gap: 10px; justify-content: flex-end;
  border-top: 1px solid var(--border);
  padding-top: 20px; margin-top: 8px;
}
#projectForm .form-actions .btn { margin: 0; }

/* ── Image Uploader ──────────────────────────────────── */
.image-uploader {
  border: 2px dashed var(--border-2);
  border-radius: var(--radius);
  background: var(--bg-3);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  overflow: hidden;
  min-height: 140px;
  position: relative;
}
.image-uploader:hover {
  border-color: var(--yellow);
  background: rgba(255,215,0,0.03);
}

.image-uploader-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 28px 16px;
  gap: 6px;
  text-align: center;
}
.image-uploader-icon { font-size: 1.8rem; }
.image-uploader-text { font-size: 0.9rem; color: var(--text); font-weight: 600; }
.image-uploader-hint { font-size: 0.75rem; color: var(--text-muted); }

.image-uploader-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex; align-items: center; justify-content: center;
}
.image-uploader-preview img {
  width: 100%; height: 100%; object-fit: cover;
}
.image-uploader-remove {
  position: absolute; top: 10px; right: 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  border: none;
  width: 32px; height: 32px;
  border-radius: 100px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.image-uploader-remove:hover { background: var(--red); }

/* Mobile modal adjust */
@media (max-width: 640px) {
  .modal-overlay { padding: 12px; }
  .modal-box { max-height: calc(100vh - 24px); }
  #projectForm { padding: 18px; }
  #projectForm .form-actions { flex-direction: column-reverse; }
  #projectForm .form-actions .btn { width: 100%; }
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  background: var(--bg);
}
.footer .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

/* ── Loading skeleton ──────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton {
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--bg-3) 25%, var(--border) 50%, var(--bg-3) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.4s infinite;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kanban-board { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .form-card { padding: 24px 16px; }
  .form-row-2 { flex-direction: column; }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi-value { font-size: 1.5rem; }
  .repo-grid { grid-template-columns: 1fr; }
  .repo-filters { flex-direction: column; }
  .footer .container { flex-direction: column; text-align: center; }
  .matrix-chart-container { max-width: 320px; }
  .page-tabs { padding: 0 12px; }
  .page-tab { font-size: 0.78rem; padding: 10px 14px; gap: 6px; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* ── Mobile nav open ───────────────────────────────────── */
.nav.open {
  display: flex; flex-direction: column;
  position: fixed; top: 64px; left: 0; right: 0;
  background: rgba(10,10,10,0.97); border-bottom: 1px solid var(--border);
  padding: 16px 24px; gap: 4px; z-index: 99;
}
.nav.open .nav-link { font-size: 1rem; padding: 10px 14px; }