/* =====================================================
   ADS Design Tokens
   ===================================================== */
:root {
  /* Brand — Purple */
  --color-brand-100: #E6DCFF;
  --color-brand-200: #C2A3FF;
  --color-brand-300: #A100FF;
  --color-brand-400: #7500C0;
  --color-brand-500: #460073;

  /* Neutral */
  --color-black:        #000000;
  --color-neutral-500:  #202020;
  --color-neutral-400:  #555555;
  --color-neutral-300:  #808080;
  --color-neutral-200:  #CFCFCF;
  --color-neutral-100:  #F1F1EF;
  --color-white:        #FFFFFF;

  /* Status */
  --color-critical-100: #FFE3E3;
  --color-critical-400: #991B1B;

  /* Typography */
  --font-brand: 'Graphik', Arial, sans-serif;

  /* Spacing */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Borders */
  --border-xs: 1px;
  --border-sm: 2px;
  --border-md: 4px;

  /* Radius — ADS is flat/square */
  --radius-square: 0px;
  --radius-xs:     4px;

  /* Motion */
  --duration-fast:     150ms;
  --duration-moderate: 300ms;
  --easing-standard:   cubic-bezier(0.85, 0, 0, 1);

  /* Gradients — Iris 4 (Diagonal Beam), glow inferior atenuado */
  --gradient-iris-4:
    radial-gradient(ellipse at 25% 85%, var(--color-brand-300) 0%, var(--color-brand-400) 18%, transparent 38%),
    radial-gradient(ellipse at 60% 20%, var(--color-brand-400) 0%, var(--color-brand-500) 60%);
}

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

html {
  height: 100%;
}

body {
  min-height: 100%;
  font-family: var(--font-brand);
  font-size: 16px;
  color: var(--color-neutral-500);
  background-color: var(--color-white);
  display: flex;
  flex-direction: column;
}

/* =====================================================
   Page shell
   ===================================================== */
.page-shell {
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* =====================================================
   Login Layout — Split panel
   ===================================================== */
.login-layout {
  display: flex;
  flex: 1;
}

/* =====================================================
   Brand Panel — Left (Iris gradient)
   ===================================================== */
.brand-panel {
  width: 44%;
  flex-shrink: 0;
  background: var(--gradient-iris-4);
  background-color: var(--color-brand-500);
  display: flex;
  flex-direction: column;
  padding: var(--space-10);
  overflow: hidden;
}

.brand-panel__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.brand-panel__logo-wrap {
  display: inline-flex;
  align-items: center;
  color: var(--color-white);
}

.brand-panel__content {
  margin-top: auto;
  margin-bottom: var(--space-20);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.brand-panel__eyebrow {
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 600;
  line-height: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-brand-200);
}

.brand-panel__title {
  font-family: var(--font-brand);
  font-size: 56px;
  font-weight: 600;
  line-height: 68px;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.brand-panel__subtitle {
  font-family: var(--font-brand);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: -0.01em;
  color: var(--color-white);
  max-width: 300px;
  opacity: 0.85;
}

/* =====================================================
   Form Panel — Right
   ===================================================== */
.form-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  background-color: var(--color-white);
}

.form-card {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* =====================================================
   Form card header
   ===================================================== */
.form-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-card__heading {
  font-family: var(--font-brand);
  font-size: 40px;
  font-weight: 600;
  line-height: 48px;
  letter-spacing: -0.03em;
  color: var(--color-neutral-500);
}

.form-card__subheading {
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: -0.01em;
  color: var(--color-neutral-400);
}

/* =====================================================
   Login Form
   ===================================================== */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 600;
  line-height: 22px;
  letter-spacing: 0;
  color: var(--color-neutral-500);
}

.form-input {
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: -0.01em;
  color: var(--color-neutral-500);
  background-color: var(--color-white);
  border: var(--border-xs) solid var(--color-neutral-200);
  border-radius: var(--radius-square);
  padding: var(--space-3) var(--space-4);
  min-height: 44px;
  width: 100%;
  outline: none;
  transition:
    border-color var(--duration-fast) var(--easing-standard),
    box-shadow   var(--duration-fast) var(--easing-standard);
}

.form-input::placeholder {
  color: var(--color-neutral-300);
}

.form-input:hover {
  border-color: var(--color-neutral-400);
}

.form-input:focus {
  border-color: var(--color-brand-300);
  box-shadow: 0 0 0 var(--border-sm) var(--color-brand-300);
}

.form-input.is-error {
  border-color: var(--color-critical-400);
  box-shadow: 0 0 0 var(--border-sm) var(--color-critical-400);
}

/* =====================================================
   Alert — error banner
   ===================================================== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-left: var(--border-md) solid;
  border-radius: var(--radius-square);
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  letter-spacing: 0;
}

.alert--error {
  background-color: var(--color-critical-100);
  border-color: var(--color-critical-400);
  color: var(--color-critical-400);
}

/* =====================================================
   Button — Primary (one per screen)
   ===================================================== */
.btn {
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-square);
  border: var(--border-xs) solid transparent;
  cursor: pointer;
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  width: 100%;
  text-decoration: none;
  transition:
    background-color var(--duration-fast) var(--easing-standard),
    border-color     var(--duration-fast) var(--easing-standard),
    color            var(--duration-fast) var(--easing-standard);
}

.btn--primary {
  background-color: var(--color-brand-300);
  border-color: var(--color-brand-300);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-brand-400);
  border-color: var(--color-brand-400);
}

.btn--primary:active {
  background-color: var(--color-brand-500);
  border-color: var(--color-brand-500);
}

.btn--primary:focus-visible {
  outline: var(--border-sm) solid var(--color-brand-300);
  outline-offset: 2px;
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-brand);
  font-size: 12px;
  font-weight: 400;
  line-height: 18px;
  letter-spacing: 0;
  text-align: center;
  padding: var(--space-2) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

/* Footer inside dashboard main-content: pushed to viewport bottom, strips parent padding */
.main-content > .site-footer {
  margin-top: auto;
  margin-left: calc(-1 * var(--space-10));
  margin-right: calc(-1 * var(--space-10));
  margin-bottom: calc(-1 * var(--space-10));
  width: calc(100% + 2 * var(--space-10));
}

.site-footer__sep {
  color: var(--color-neutral-400);
  user-select: none;
}

/* =====================================================
   Dashboard shell
   ===================================================== */
.app-body {
  display: block;
  overflow: hidden;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* =====================================================
   Skip link (accessibility)
   ===================================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-brand-300);
  color: var(--color-white);
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  z-index: 700;
  border-radius: var(--radius-square);
  transition: top var(--duration-fast) var(--easing-standard);
}

.skip-link:focus {
  top: var(--space-4);
}

/* =====================================================
   Sidebar
   ===================================================== */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background-color: var(--color-neutral-500);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar__logo-area {
  padding: var(--space-6);
  flex-shrink: 0;
}

.sidebar__logo-link {
  display: inline-flex;
  align-items: center;
  outline: none;
}

.sidebar__logo-link:focus-visible {
  outline: var(--border-sm) solid var(--color-brand-300);
  outline-offset: 4px;
}

.sidebar__nav {
  list-style: none;
  flex: 1;
  padding: var(--space-2) 0;
  overflow-y: auto;
}

.sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-6);
  min-height: 48px;
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--color-white);
  text-decoration: none;
  border-left: var(--border-md) solid transparent;
  opacity: 0.7;
  transition:
    border-color     var(--duration-fast) var(--easing-standard),
    background-color var(--duration-fast) var(--easing-standard),
    opacity          var(--duration-fast) var(--easing-standard);
}

.sidebar__nav-link:hover {
  border-left-color: var(--color-brand-200);
  background-color: rgba(255, 255, 255, 0.05);
  opacity: 1;
}

.sidebar__nav-link--active {
  border-left-color: var(--color-brand-300);
  font-weight: 600;
  opacity: 1;
}

.sidebar__nav-link:focus-visible {
  outline: var(--border-sm) solid var(--color-brand-300);
  outline-offset: -2px;
}

.sidebar__nav-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: currentColor;
}

/* ── Sidebar secondary nav (Accesses) ───────────── */
.sidebar__secondary {
  flex-shrink: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── Sidebar footer ──────────────────────────────── */
.sidebar__footer {
  flex-shrink: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-4) 0;
}

/* .sidebar__section-label removed — Accesses is now a full nav item in sidebar__secondary */

.sidebar__user-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  min-height: 56px;
}

.sidebar__avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background-color: var(--color-brand-300);
  color: var(--color-white);
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
}

.sidebar__user-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.sidebar__user-name {
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  color: var(--color-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__sign-out {
  font-family: var(--font-brand);
  font-size: 12px;
  font-weight: 400;
  line-height: 18px;
  color: var(--color-neutral-300);
  text-decoration: none;
  transition: color var(--duration-fast) var(--easing-standard);
}

.sidebar__sign-out:hover {
  color: var(--color-white);
}

.sidebar__sign-out:focus-visible {
  outline: var(--border-sm) solid var(--color-brand-300);
  outline-offset: 2px;
}

/* =====================================================
   Main content area
   ===================================================== */
.main-content {
  margin-left: 240px;
  flex: 1;
  background-color: var(--color-neutral-100);
  min-height: 100vh;
  padding: var(--space-10);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* =====================================================
   Content header
   ===================================================== */
.content-header {
  margin-bottom: var(--space-8);
}

.content-header__eyebrow {
  font-family: var(--font-brand);
  font-size: 12px;
  font-weight: 600;
  line-height: 12px;
  letter-spacing: 0.125em;
  text-transform: uppercase;
  color: var(--color-neutral-400);
  margin-bottom: var(--space-2);
}

.content-header__title {
  font-family: var(--font-brand);
  font-size: 40px;
  font-weight: 600;
  line-height: 48px;
  letter-spacing: -0.03em;
  color: var(--color-neutral-500);
}

.content-header__subtitle {
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: -0.01em;
  color: var(--color-neutral-400);
  margin-top: var(--space-2);
}

/* =====================================================
   KPI stat cards
   ===================================================== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background-color: var(--color-white);
  padding: var(--space-6);
  border-bottom: var(--border-md) solid var(--color-brand-300);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-card__label {
  font-family: var(--font-brand);
  font-size: 12px;
  font-weight: 600;
  line-height: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral-400);
}

.stat-card__value {
  font-family: var(--font-brand);
  font-size: 48px;
  font-weight: 600;
  line-height: 58px;
  letter-spacing: -0.03em;
  color: var(--color-neutral-500);
}

.stat-card__unit {
  font-size: 28px;
  font-weight: 400;
}

.stat-card__delta {
  font-family: var(--font-brand);
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  color: var(--color-neutral-400);
  margin-top: var(--space-1);
}

.stat-card__delta--up {
  color: var(--color-success-300);
}

.stat-card__delta--down {
  color: var(--color-critical-300);
}

/* =====================================================
   Power BI embed placeholder
   ===================================================== */
.embed-placeholder {
  background-color: var(--color-white);
  padding: var(--space-20) var(--space-10);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  gap: var(--space-4);
  text-align: center;
}

.embed-placeholder__eyebrow {
  font-family: var(--font-brand);
  font-size: 12px;
  font-weight: 600;
  line-height: 12px;
  letter-spacing: 0.125em;
  text-transform: uppercase;
  color: var(--color-neutral-300);
}

.embed-placeholder__title {
  font-family: var(--font-brand);
  font-size: 24px;
  font-weight: 600;
  line-height: 28px;
  letter-spacing: -0.03em;
  color: var(--color-neutral-400);
}

.embed-placeholder__text {
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--color-neutral-300);
  max-width: 400px;
}

/* =====================================================
   Status color tokens (for stat deltas)
   ===================================================== */
:root {
  --color-success-300: #167C61;
  --color-critical-300: #D60D0D;
}

/* =====================================================
   Responsive — Tablet & below
   ===================================================== */
@media (max-width: 1024px) {
  .brand-panel {
    width: 40%;
    padding: var(--space-8);
  }

  .brand-panel__title {
    font-size: 40px;
    line-height: 48px;
  }
}

@media (max-width: 768px) {
  .login-layout {
    flex-direction: column;
    min-height: 0;
  }

  .brand-panel {
    width: 100%;
    padding: var(--space-6);
    min-height: auto;
  }

  .brand-panel__content {
    display: none;
  }

  .brand-panel__inner {
    height: auto;
  }

  .form-panel {
    padding: var(--space-6);
    align-items: flex-start;
    padding-top: var(--space-8);
  }

  .form-card__heading {
    font-size: 28px;
    line-height: 34px;
  }
}