/* ===== Base & Variables ===== */
:root {
  /* Colors from DESIGN.md */
  --primary: #5645d4;
  --primary-pressed: #4534b3;
  --brand-navy: #0a1530;
  --brand-navy-deep: #070f24;
  --brand-navy-mid: #1a2a52;
  --link-blue: #0075de;
  --brand-orange: #dd5b00;
  --brand-pink: #ff64c8;
  --brand-purple: #7b3ff2;
  --brand-teal: #2a9d99;
  --brand-green: #1aae39;
  --brand-yellow: #f5d75e;
  --card-tint-mint: #d9f3e1;
  --card-tint-lavender: #e6e0f5;
  --card-tint-sky: #dcecfa;
  --card-tint-yellow: #fef7d6;
  --card-tint-yellow-bold: #f9e79f;
  --card-tint-cream: #f8f5e8;
  --canvas: #ffffff;
  --surface: #f6f5f4;
  --hairline: #e5e3df;
  --hairline-soft: #ede9e4;
  --hairline-strong: #c8c4be;
  --ink-deep: #000000;
  --ink: #1a1a1a;
  --charcoal: #37352f;
  --slate: #5d5b54;
  --steel: #787671;
  --stone: #a4a097;
  --muted: #bbb8b1;
  --on-dark: #ffffff;
  --semantic-success: #1aae39;
  --semantic-warning: #dd5b00;
  --semantic-error: #e03131;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;

  /* Radius */
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;

  /* Shadows */
  --shadow-card: rgba(15, 15, 15, 0.08) 0px 4px 12px 0px;
  --shadow-elevated: rgba(15, 15, 15, 0.2) 0px 24px 48px -8px;
}

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

html, body {
  font-family: 'Inter', -apple-system, system-ui, 'Segoe UI', Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--surface);
  -webkit-font-smoothing: antialiased;
}

/* ===== Navigation ===== */
.top-nav {
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.brand-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 13px;
  color: var(--steel);
  font-weight: 400;
  padding-left: var(--spacing-sm);
  border-left: 1px solid var(--hairline);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-user {
  font-size: 13px;
  color: var(--slate);
  font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  padding: 10px 18px;
  border: none;
  border-radius: var(--rounded-md);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--on-dark);
}

.btn-primary:hover {
  background-color: var(--primary-pressed);
}

.btn-secondary {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}

.btn-secondary:hover {
  background-color: var(--surface);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

/* ===== Login Page ===== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--brand-navy);
  padding: var(--spacing-xl);
}

.login-card {
  background-color: var(--canvas);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl) var(--spacing-xl);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-elevated);
}

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

.login-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  font-size: 15px;
  color: var(--steel);
  font-weight: 400;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
}

.form-input {
  height: 44px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--rounded-md);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--canvas);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border: 2px solid var(--primary);
  padding: calc(var(--spacing-sm) - 1px) calc(var(--spacing-md) - 1px);
}

.alert {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--rounded-md);
  font-size: 13px;
}

.alert-error {
  background-color: #fde0ec;
  color: var(--semantic-error);
  border: 1px solid #ffc2d6;
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--hairline);
}

.login-footer p {
  font-size: 12px;
  color: var(--muted);
}

/* ===== Main Content ===== */
.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* ===== Dashboard Header ===== */
.dashboard-header {
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.header-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.header-title-group {
  flex: 1;
  min-width: 300px;
}

.dashboard-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-navy);
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 4px;
}

.dashboard-subtitle {
  font-size: 14px;
  color: var(--steel);
  font-weight: 400;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-icon {
  width: 20px;
  height: 20px;
  color: var(--steel);
  stroke-width: 2;
  flex-shrink: 0;
}

.meta-text {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
}

.sprint-badge {
  background-color: var(--brand-navy);
  border-radius: var(--rounded-md);
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.sprint-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--on-dark);
}

.sprint-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--on-dark);
  line-height: 1;
}

/* ===== KPI Section ===== */
.kpi-section {
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.kpi-card {
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
}

.kpi-header {
  background-color: var(--canvas);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--hairline);
}

.kpi-header-dark {
  background-color: var(--brand-navy);
  border-bottom: none;
}

.kpi-header-dark .kpi-title {
  color: var(--on-dark);
}

.kpi-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--charcoal);
}

.kpi-body {
  padding: var(--spacing-lg);
}

/* Gauge Charts */
.gauge-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.gauge-chart {
  position: relative;
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.gauge-bg {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(var(--hairline) 0deg 360deg);
}

.gauge-fill {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(var(--brand-navy) calc(var(--progress) * 3.6deg), var(--hairline) 0deg);
  -webkit-mask: radial-gradient(closest-side, transparent 72%, black 73%);
  mask: radial-gradient(closest-side, transparent 72%, black 73%);
}

.gauge-fill-green {
  background: conic-gradient(var(--brand-green) calc(var(--progress) * 3.6deg), var(--hairline) 0deg);
}

.gauge-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gauge-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-navy);
}

.gauge-value-green {
  color: var(--brand-green);
}

.kpi-details {
  flex: 1;
}

.kpi-details p {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.5;
}

.kpi-details strong {
  color: var(--charcoal);
  font-weight: 600;
}

.kpi-date {
  margin-top: 6px;
  font-size: 12px;
}

/* Velocity */
.velocity-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.velocity-icon {
  width: 40px;
  height: 40px;
  color: var(--brand-navy);
}

.velocity-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.velocity-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--brand-navy);
}

.velocity-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate);
}

.velocity-label {
  font-size: 12px;
  color: var(--slate);
}

.velocity-change {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  margin-top: 2px;
}

.velocity-change svg {
  width: 14px;
  height: 14px;
}

.velocity-positive {
  color: var(--brand-green);
}

/* Health */
.health-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
}

.health-icon {
  width: 48px;
  height: 48px;
  color: var(--brand-green);
}

.health-status {
  padding: 4px 12px;
  background-color: var(--card-tint-mint);
  border-radius: var(--rounded-sm);
}

.health-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-green);
}

.health-description {
  font-size: 12px;
  color: var(--slate);
  line-height: 1.5;
  max-width: 200px;
}

/* Semáforo */
.kpi-semaforo {
  min-width: 220px;
}

.semaforo-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.semaforo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.semaforo-label {
  font-size: 13px;
  color: var(--slate);
}

.semaforo-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.semaforo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.semaforo-text {
  font-size: 12px;
  font-weight: 500;
  min-width: 80px;
}

.semaforo-verde .semaforo-dot {
  background-color: var(--brand-green);
}

.semaforo-verde .semaforo-text {
  color: var(--brand-green);
}

.semaforo-amarillo .semaforo-dot {
  background-color: var(--brand-yellow);
  border: 1px solid #e0c040;
}

.semaforo-amarillo .semaforo-text {
  color: #c99000;
}

.semaforo-rojo .semaforo-dot {
  background-color: var(--semantic-error);
}

.semaforo-rojo .semaforo-text {
  color: var(--semantic-error);
}

/* ===== Trend & Summary Section ===== */
.trend-section {
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.section-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
}

.section-card {
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
}

.section-card-large {
  min-height: 350px;
}

.section-header {
  background-color: var(--brand-navy);
  padding: var(--spacing-sm) var(--spacing-md);
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--on-dark);
}

.section-body {
  padding: var(--spacing-lg);
  height: calc(100% - 40px);
}

/* Chart */
.chart-legend {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--slate);
}

.legend-dot {
  width: 10px;
  height: 3px;
  border-radius: 2px;
  display: inline-block;
}

.legend-planned {
  background-color: var(--link-blue);
}

.legend-actual {
  background-color: var(--brand-green);
}

.chart-container {
  height: 280px;
  position: relative;
}

.chart-projection {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
}

.projection-label {
  font-size: 11px;
  color: var(--link-blue);
  font-style: italic;
}

/* Resumen List */
.resumen-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.resumen-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.resumen-item:last-child {
  border-bottom: none;
}

.resumen-label {
  font-size: 13px;
  color: var(--slate);
}

.resumen-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
}

.resumen-value-highlight {
  color: var(--brand-green);
}

/* ===== Details Section ===== */
.details-section {
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.details-card {
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
}

.details-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--card-tint-mint);
  border-bottom: 1px solid var(--hairline);
}

.details-header h3 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--charcoal);
}

.details-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--brand-green);
}

.details-header-warning {
  background-color: var(--card-tint-yellow);
}

.details-header-warning .details-icon {
  color: var(--brand-orange);
}

.details-header-info {
  background-color: var(--card-tint-sky);
}

.details-header-info .details-icon {
  color: var(--link-blue);
}

.details-body {
  padding: var(--spacing-md);
}

/* Achievements */
.achievements-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.achievement-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--charcoal);
  line-height: 1.5;
}

.achievement-check {
  width: 16px;
  height: 16px;
  color: var(--brand-green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Risks Table */
.risks-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.risks-table th {
  text-align: left;
  padding: 6px 4px;
  font-weight: 600;
  color: var(--charcoal);
  border-bottom: 1px solid var(--hairline);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.risks-table td {
  padding: 8px 4px;
  color: var(--slate);
  border-bottom: 1px solid var(--hairline-soft);
}

.risks-table tr:last-child td {
  border-bottom: none;
}

.impact-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--rounded-sm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.impact-alto {
  background-color: var(--card-tint-yellow);
  color: var(--brand-orange);
}

.impact-bajo {
  background-color: var(--card-tint-mint);
  color: var(--brand-green);
}

/* Milestones */
.milestones-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.milestone-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.milestone-icon {
  width: 18px;
  height: 18px;
  color: var(--link-blue);
  flex-shrink: 0;
}

.milestone-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.milestone-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
}

.milestone-date {
  font-size: 12px;
  color: var(--steel);
}

/* ===== Impact Section ===== */
.impact-section {
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.impact-header {
  background-color: var(--brand-navy);
  margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-xl);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--rounded-lg) var(--rounded-lg) 0 0;
}

.impact-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--on-dark);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.impact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.impact-icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.impact-icon-wrapper svg {
  width: 20px;
  height: 20px;
}

.impact-icon-dollar {
  background-color: var(--card-tint-mint);
  color: var(--brand-green);
}

.impact-icon-clock {
  background-color: var(--card-tint-sky);
  color: var(--link-blue);
}

.impact-icon-shield {
  background-color: var(--card-tint-lavender);
  color: var(--brand-purple);
}

.impact-icon-users {
  background-color: var(--card-tint-yellow-bold);
  color: var(--brand-navy);
}

.impact-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.impact-heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--charcoal);
}

.impact-description {
  font-size: 12px;
  color: var(--slate);
  line-height: 1.5;
}

/* ===== Footer ===== */
.site-footer {
  background-color: var(--brand-navy);
  padding: var(--spacing-md) var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.footer-container p {
  font-size: 12px;
  color: var(--on-dark);
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
  .details-grid {
    grid-template-columns: 1fr;
  }
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .header-main {
    flex-direction: column;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md);
  }
  .dashboard-title {
    font-size: 22px;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .impact-grid {
    grid-template-columns: 1fr;
  }
  .gauge-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .header-meta {
    width: 100%;
    justify-content: space-between;
  }
}