/* =============================================================
   dashboard.css — Layouts: login y dashboard shell
   =============================================================
   Depende de brand.css (tokens de color, tipografía, isotipo).
   ============================================================= */


/* =============================================================
   LOGIN (index.html)
   ============================================================= */

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-lg);
  background:
    radial-gradient(
      ellipse at top,
      rgba(200, 162, 78, 0.08) 0%,
      transparent 50%
    ),
    var(--bg-deep);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: var(--shadow-elevated);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--ops-gradient-horizontal);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.login-header .brand-sigma {
  margin: 0 auto var(--space-md);
}

.login-title {
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-xs);
}

.login-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
}

.login-form {
  display: grid;
  gap: var(--space-md);
}

.login-field {
  display: grid;
  gap: var(--space-xs);
}

.login-field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.login-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--ops-blanco);
  font-size: var(--text-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.login-input:hover {
  border-color: var(--border-hover);
}

.login-input:focus {
  border-color: var(--ops-dorado-medio);
  box-shadow: 0 0 0 3px rgba(200, 162, 78, 0.15);
}

.login-input::placeholder {
  color: var(--text-muted);
}

.login-input.totp-code {
  text-align: center;
  letter-spacing: 0.5em;
  font-size: var(--text-xl);
  font-weight: 500;
  padding: 14px 14px;
}

.login-btn {
  width: 100%;
  padding: 12px 16px;
  background: var(--ops-gradient-horizontal);
  color: var(--ops-negro);
  font-weight: 700;
  font-size: var(--text-md);
  border-radius: var(--radius-md);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  letter-spacing: 0.02em;
}

.login-btn:hover:not(:disabled) {
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-1px);
}

.login-btn:active:not(:disabled) {
  transform: translateY(0);
}

.login-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-btn.secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-weight: 400;
}

.login-btn.secondary:hover:not(:disabled) {
  color: var(--ops-blanco);
  border-color: var(--border-hover);
  box-shadow: none;
  transform: none;
}

.login-message {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.login-message.error {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.login-message.info {
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.login-message.success {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.login-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* --- MFA enrollment (QR) ---------------------------------- */

.mfa-qr {
  background: var(--ops-blanco);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-md);
  width: fit-content;
}

.mfa-qr img,
.mfa-qr svg {
  display: block;
  width: 180px;
  height: 180px;
}

.mfa-secret {
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  font-size: var(--text-sm);
  background: var(--bg-deep);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  text-align: center;
  color: var(--text-secondary);
  word-break: break-all;
}

.mfa-steps {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.mfa-steps ol {
  margin-left: 1.2em;
  display: grid;
  gap: var(--space-xs);
}


/* =============================================================
   DASHBOARD SHELL (dashboard.html)
   ============================================================= */

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* --- Sidebar --------------------------------------------- */

.sidebar {
  background: var(--ops-negro);
  border-right: 1px solid var(--border);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 5;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.brand {
  padding: 0 var(--space-lg) var(--space-lg);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-md);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-name {
  font-weight: 900;
  font-size: var(--text-md);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.brand-name small {
  display: block;
  font-weight: 300;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-section {
  padding: var(--space-md) var(--space-lg) 6px;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px var(--space-lg);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--text-md);
  font-weight: 400;
  transition: background 0.15s ease, color 0.15s ease;
  border-left: 2px solid transparent;
  text-decoration: none;
}

.nav-item:hover {
  background: rgba(200, 162, 78, 0.04);
  color: var(--ops-blanco);
}

.nav-item.active {
  background: linear-gradient(
    90deg,
    rgba(200, 162, 78, 0.12) 0%,
    transparent 100%
  );
  color: var(--ops-dorado-claro);
  border-left-color: var(--ops-dorado-medio);
  font-weight: 500;
}

.nav-item svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.8;
  flex-shrink: 0;
}

.nav-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 10px;
  background: var(--border);
  color: var(--text-muted);
  font-weight: 500;
}

.nav-badge.coming {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-muted);
}

/* --- Main + topbar --------------------------------------- */

.main {
  overflow-x: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 18px var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.topbar-left .breadcrumb {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.topbar-left h1 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: var(--text-sm);
}

.user-chip:hover {
  border-color: var(--border-hover);
  background: var(--card-bg-hover);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ops-gradient);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--ops-negro);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.user-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.user-meta .email {
  font-size: var(--text-sm);
  color: var(--ops-blanco);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-meta .role {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar-btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--card-bg);
  transition: all 0.15s ease;
}

.topbar-btn:hover {
  border-color: var(--border-hover);
  color: var(--ops-blanco);
  background: var(--card-bg-hover);
}

/* --- Content region --------------------------------------- */

.content {
  padding: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.content-placeholder {
  padding: var(--space-2xl);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.content-placeholder h2 {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

/* --- Loader global ---------------------------------------- */

.loader-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  display: grid;
  place-items: center;
  z-index: 100;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--ops-dorado-medio);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =============================================================
   OVERVIEW (KPIs + Charts)
   ============================================================= */

/* --- Meta bar (ventana + refresh) ------------------------- */

.overview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0 0 var(--space-lg);
  color: var(--text-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}

.overview-meta .topbar-btn {
  padding: 6px 12px;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Loading / error states ------------------------------ */

.overview-loading {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--text-muted);
  display: grid;
  gap: var(--space-md);
  justify-items: center;
}

.overview-loading .spinner {
  margin: 0 auto;
}

.overview-loading p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.overview-loading small {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.overview-error {
  text-align: center;
  padding: var(--space-2xl);
  border: 1px dashed var(--red);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  display: grid;
  gap: var(--space-md);
  justify-items: center;
}

.overview-error h2 {
  color: var(--red);
  font-size: var(--text-xl);
}

.overview-error .login-btn {
  max-width: 240px;
}

/* --- KPI grids ------------------------------------------ */

.kpi-grid {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.kpi-grid-hero {
  grid-template-columns: repeat(4, 1fr);
}

.kpi-grid-secondary {
  grid-template-columns: repeat(6, 1fr);
}

@media (max-width: 1200px) {
  .kpi-grid-hero      { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid-secondary { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .kpi-grid-hero,
  .kpi-grid-secondary { grid-template-columns: repeat(2, 1fr); }
}

/* --- KPI card ------------------------------------------- */

.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.kpi-card:hover {
  border-color: var(--border-hover);
}

.kpi-big {
  padding: var(--space-lg);
}

.kpi-highlight {
  border-color: transparent;
  background:
    linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
    var(--ops-gradient-horizontal) border-box;
  border: 1px solid transparent;
}

.kpi-highlight::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--ops-gradient-horizontal);
}

.kpi-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.kpi-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--ops-blanco);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.kpi-big .kpi-value {
  font-size: var(--text-3xl);
}

.kpi-highlight .kpi-value {
  background: var(--ops-gradient-horizontal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kpi-hint {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.3;
}

.kpi-card.tone-red .kpi-value { color: var(--red); }
.kpi-card.tone-green .kpi-value { color: var(--green); }

/* --- Chart cards --------------------------------------- */

.chart-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.chart-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 4px;
}

.chart-header small {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.chart-body {
  position: relative;
  height: 260px;
}

.chart-body-tall {
  height: 340px;
}

.chart-body .empty {
  color: var(--text-muted);
  text-align: center;
  padding-top: 80px;
}

.chart-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

@media (max-width: 900px) {
  .chart-grid-2col { grid-template-columns: 1fr; gap: 0; }
}

/* --- Responsive (mobile-first fallbacks) ----------------- */

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none; /* Por ahora, Fase 5 agregará drawer móvil */
  }
  .topbar {
    padding: 14px var(--space-md);
  }
  .content {
    padding: var(--space-md);
  }
}