/* ============================================================
   main.css — Sistema de diseño · Doble Materialidad
   Estética: Editorial profesional · Verde sostenibilidad
   ============================================================ */

/* ---- Variables ------------------------------------------ */
:root {
  --bg:         #0d1117;
  --bg2:        #161b22;
  --bg3:        #1c2330;
  --surface:    #1e2a1e;
  --border:     rgba(255,255,255,0.07);
  --border2:    rgba(255,255,255,0.12);

  --green:      #3dd68c;
  --green-dim:  #2a9e64;
  --green-glow: rgba(61,214,140,0.15);
  --amber:      #f0a830;
  --red:        #e05c5c;
  --blue:       #4a9eff;

  --text:       #e8edf3;
  --text2:      #8b96a5;
  --text3:      #5a6475;

  --font-main:  'Sora', sans-serif;
  --font-mono:  'Space Mono', monospace;

  --radius-sm:  6px;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow:     0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:  0 12px 48px rgba(0,0,0,0.6);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 15px;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Scrollbar ------------------------------------------ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 99px; }

/* ---- Navbar ------------------------------------------- */
.navbar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  height: 64px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px; height: 36px;
  background: var(--green);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}
.logo-text {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: .25rem;
  flex: 1;
}
.nav-link {
  padding: .4rem .85rem;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  transition: background .15s, color .15s;
  text-decoration: none;
}
.nav-link:hover, .nav-link.active {
  background: var(--bg3);
  color: var(--text);
  text-decoration: none;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}
.empresa-badge {
  font-size: 12px;
  color: var(--text3);
  background: var(--bg3);
  padding: .25rem .65rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu { position: relative; }
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--green-dim);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: box-shadow .2s;
}
.user-avatar:hover { box-shadow: 0 0 0 3px var(--green-glow); }

.user-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 200;
}
.user-dropdown.open { display: block; animation: fadeDown .15s ease; }
.dropdown-header {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dropdown-header strong { font-size: 14px; color: var(--text); }
.dropdown-header small { font-size: 12px; color: var(--text3); }
.dropdown-item {
  display: block;
  padding: .6rem 1rem;
  font-size: 14px;
  color: var(--text2);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background .12s, color .12s;
  text-decoration: none;
}
.dropdown-item:hover { background: var(--bg3); color: var(--text); text-decoration: none; }
.dropdown-divider { border: none; border-top: 1px solid var(--border); margin: .25rem 0; }
.dropdown-logout { color: var(--red) !important; }

/* ---- Layout -------------------------------------------- */
.page-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}
.page-subtitle {
  margin-top: .35rem;
  font-size: 14px;
  color: var(--text2);
}

/* ---- Cards --------------------------------------------- */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.card-title { font-size: 16px; font-weight: 600; }

/* ---- Grid ---------------------------------------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* ---- Stat cards ---------------------------------------- */
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.stat-label { font-size: 12px; font-weight: 500; color: var(--text3); text-transform: uppercase; letter-spacing: .08em; }
.stat-value { font-size: 36px; font-weight: 700; font-family: var(--font-mono); line-height: 1; }
.stat-value.green { color: var(--green); }
.stat-value.amber { color: var(--amber); }
.stat-value.red   { color: var(--red); }
.stat-delta { font-size: 12px; color: var(--text3); }

/* ---- Buttons ------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--green);
  color: #000;
}
.btn-primary:hover { background: #5ae8a6; text-decoration: none; color: #000; }
.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-secondary:hover { background: var(--surface); text-decoration: none; color: var(--text); }
.btn-danger { background: rgba(224,92,92,.15); color: var(--red); border: 1px solid rgba(224,92,92,.3); }
.btn-danger:hover { background: rgba(224,92,92,.25); text-decoration: none; color: var(--red); }
.btn-sm { padding: .4rem .85rem; font-size: 13px; }
.btn-icon { padding: .5rem; }

/* ---- Forms -------------------------------------------- */
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1.1rem; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text2); }
.form-control {
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: .65rem .9rem;
  font-family: var(--font-main);
  font-size: 14px;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
  outline: none;
  border-color: var(--green-dim);
  box-shadow: 0 0 0 3px var(--green-glow);
}
.form-control::placeholder { color: var(--text3); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }

.form-hint { font-size: 12px; color: var(--text3); margin-top: .2rem; }
.form-error { font-size: 12px; color: var(--red); margin-top: .2rem; }

/* ---- Tables ------------------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text3);
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
td { padding: .85rem 1rem; border-bottom: 1px solid var(--border); font-size: 14px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg3); }

/* ---- Badges ------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .6rem;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.badge-green  { background: rgba(61,214,140,.15); color: var(--green); }
.badge-amber  { background: rgba(240,168,48,.15);  color: var(--amber); }
.badge-red    { background: rgba(224,92,92,.15);   color: var(--red); }
.badge-blue   { background: rgba(74,158,255,.15);  color: var(--blue); }
.badge-gray   { background: var(--bg3); color: var(--text3); }

/* ---- Alerts ------------------------------------------- */
.alert {
  padding: .9rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 1.25rem;
}
.alert-success { background: rgba(61,214,140,.1);  border: 1px solid rgba(61,214,140,.25);  color: var(--green); }
.alert-error   { background: rgba(224,92,92,.1);   border: 1px solid rgba(224,92,92,.25);   color: var(--red); }
.alert-info    { background: rgba(74,158,255,.1);  border: 1px solid rgba(74,158,255,.25);  color: var(--blue); }

/* ---- Progress bar ------------------------------------- */
.progress { height: 6px; background: var(--bg3); border-radius: 99px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--green); border-radius: 99px; transition: width .4s; }

/* ---- Score chip --------------------------------------- */
.score-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.score-high { background: rgba(61,214,140,.2); color: var(--green); border: 1.5px solid var(--green); }
.score-mid  { background: rgba(240,168,48,.2); color: var(--amber); border: 1.5px solid var(--amber); }
.score-low  { background: rgba(224,92,92,.2);  color: var(--red);   border: 1.5px solid var(--red); }

/* ---- Range slider ------------------------------------- */
.range-group { display: flex; align-items: center; gap: .75rem; }
input[type=range] {
  flex: 1;
  accent-color: var(--green);
  cursor: pointer;
}
.range-val {
  min-width: 28px;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--green);
}

/* ---- Matrix (Doble Materialidad) ---------------------- */
.matrix-wrap {
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  overflow: hidden;
}
.matrix-grid {
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-rows: 1fr 40px;
  gap: 8px;
  width: 100%;
  aspect-ratio: 1;
  max-width: 600px;
  margin: 0 auto;
}
.matrix-canvas-wrap {
  position: relative;
  background: var(--bg3);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
#matrixCanvas { width: 100%; height: 100%; display: block; }

.matrix-y-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.matrix-x-label {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text3);
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Tabs --------------------------------------------- */
.tabs { display: flex; gap: .25rem; margin-bottom: 1.75rem; border-bottom: 1px solid var(--border); }
.tab-btn {
  padding: .65rem 1.1rem;
  font-size: 14px;
  font-weight: 500;
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}
.tab-btn.active { color: var(--green); border-bottom-color: var(--green); }
.tab-btn:hover:not(.active) { color: var(--text2); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---- Step progress ------------------------------------ */
.steps { display: flex; align-items: center; gap: 0; margin-bottom: 2.5rem; }
.step { display: flex; flex-direction: column; align-items: center; flex: 1; position: relative; }
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 18px;
  width: 100%;
  height: 2px;
  background: var(--border2);
}
.step.done::after, .step.active::after { background: var(--green-dim); }
.step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border2);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text3);
  position: relative;
  z-index: 1;
  transition: all .2s;
}
.step.active .step-num { border-color: var(--green); color: var(--green); background: var(--green-glow); }
.step.done .step-num { border-color: var(--green); background: var(--green); color: #000; }
.step-label { font-size: 11px; color: var(--text3); margin-top: .4rem; text-align: center; max-width: 80px; }
.step.active .step-label { color: var(--text2); }

/* ---- Modal -------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; animation: fadeIn .15s ease; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-lg);
  animation: slideUp .2s ease;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 20px; line-height: 1; padding: 2px; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: .75rem; }

/* ---- Login page --------------------------------------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61,214,140,.12) 0%, transparent 60%), var(--bg);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  margin-bottom: 2rem;
  text-align: center;
}
.login-logo-mark {
  width: 56px; height: 56px;
  background: var(--green);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 32px rgba(61,214,140,.3);
}
.login-logo h1 { font-size: 20px; font-weight: 700; }
.login-logo p  { font-size: 13px; color: var(--text3); }

/* ---- IRO tipo pills ----------------------------------- */
.tipo-impacto  { color: var(--blue); }
.tipo-riesgo   { color: var(--red); }
.tipo-oportunidad { color: var(--green); }

/* ---- Animations --------------------------------------- */
@keyframes fadeIn    { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeDown  { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp   { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Tooltip ------------------------------------------ */
[data-tooltip] { position: relative; cursor: default; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: .35rem .65rem;
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s;
  z-index: 50;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ---- Empty state -------------------------------------- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text3);
}
.empty-icon { font-size: 48px; margin-bottom: 1rem; opacity: .4; }
.empty-state h3 { font-size: 16px; color: var(--text2); margin-bottom: .5rem; }
.empty-state p  { font-size: 14px; max-width: 320px; margin: 0 auto .5rem; }