@import url('https://unpkg.com/normalize.css') layer(normalize);

@layer normalize, base, dashboard;

/* ============================================================
   BASE
============================================================ */
@layer base {
  :root {
    --font-size-min: 14;
    --font-size-max: 16;
    --font-width-min: 375;
    --font-width-max: 1500;
    --dash-bg:      light-dark(#f7f7f7, #0a0a0a);
    --dash-surface: light-dark(#fff, #111);
    --dash-border:  light-dark(rgba(0,0,0,.08), rgba(255,255,255,.08));
    --dash-text:    light-dark(#111, #eee);
    --dash-muted:   light-dark(#888, #666);
    --dash-accent:  #c0c0c0;
    --dash-up:      #4caf50;
    --dash-down:    #e53935;
    --dash-radius:  8px;
    --dash-gap:     1.25rem;
  }

  html { color-scheme: light dark; }
  [data-theme='light'] { color-scheme: light only; }
  [data-theme='dark']  { color-scheme: dark only; }

  *, *::before, *::after { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--dash-bg);
    color: var(--dash-text);
    font-family: 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif, system-ui;
    font-size: clamp(13px, 1vw, 15px);
    line-height: 1.5;
  }
}

/* ============================================================
   LOGIN SCREEN  (centrado, mantém estilo original)
============================================================ */
@layer dashboard {

  #login-screen {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background: var(--dash-bg);
    /* grid background */
    position: relative;
  }

  #login-screen::before {
    --size: 45px;
    --line: color-mix(in hsl, canvasText, transparent 70%);
    content: '';
    position: fixed;
    inset: 0;
    background:
      linear-gradient(90deg, var(--line) 1px, transparent 1px var(--size)) 50% 50% / var(--size) var(--size),
      linear-gradient(var(--line) 1px, transparent 1px var(--size)) 50% 50% / var(--size) var(--size);
    mask: linear-gradient(-20deg, transparent 50%, white);
    pointer-events: none;
    z-index: 0;
  }

  .dashboard-container {
    position: relative;
    z-index: 1;
    width: clamp(280px, 32vmin, 480px);
    aspect-ratio: 3 / 4;
    border-radius: var(--dash-radius);
    display: grid;
    place-items: center;
    background: var(--dash-surface);
    box-shadow: 0 2px 24px rgba(0,0,0,.06);
  }

  .dashboard-container::before {
    content: "";
    position: absolute;
    inset: -1rem;
    border: 1px solid var(--dash-border);
    border-radius: calc(var(--dash-radius) + 4px);
    pointer-events: none;
  }

  .login-form {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    position: relative;
    z-index: 1;
  }

  .login-form h2 {
    margin: 0 0 .5rem;
    font-size: 2rem;
    font-weight: 300;
  }

  .form-subtitle {
    margin: 0;
    font-size: .875rem;
    opacity: .6;
    text-align: center;
  }

  .input-wrapper { width: 100%; }

  .input-wrapper input {
    display: block;
    width: 100%;
    padding: .75rem 1rem;
    border-radius: var(--dash-radius);
    background: color-mix(in oklch, canvas, canvasText 6%);
    border: 1px solid var(--dash-border);
    font-size: 1rem;
    color: var(--dash-text);
    text-align: center;
  }

  .input-wrapper input::placeholder { color: var(--dash-muted); }
  .input-wrapper input:focus { outline: 2px solid var(--dash-accent); outline-offset: 2px; border-color: transparent; }

  .login-btn {
    margin-top: .5rem;
    padding: .7rem 2rem;
    background: var(--dash-text);
    color: var(--dash-bg);
    border: none;
    border-radius: var(--dash-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: opacity .2s;
  }
  .login-btn:hover { opacity: .8; }

  .form-error {
    margin: 0;
    font-size: .8rem;
    color: var(--dash-down);
    min-height: 1.2em;
    text-align: center;
  }

  /* ============================================================
     DASHBOARD SCREEN
  ============================================================ */

  .dash-page {
    min-height: 100vh;
    background: var(--dash-bg);
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  /* --- Header --- */
  .dash-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--dash-surface);
    border-bottom: 1px solid var(--dash-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 2rem;
    gap: 1rem;
  }

  .dash-header-left { display: flex; align-items: baseline; gap: 1rem; }
  .dash-logo        { font-size: 1.1rem; font-weight: 400; letter-spacing: -.01em; }
  .dash-user        { font-size: .8rem; opacity: .5; }
  .dash-header-right { display: flex; gap: .5rem; }

  /* --- Buttons --- */
  .dash-btn-primary {
    padding: .45rem 1rem;
    background: var(--dash-text);
    color: var(--dash-bg);
    border: none;
    border-radius: 6px;
    font-size: .82rem;
    cursor: pointer;
    transition: opacity .15s;
  }
  .dash-btn-primary:hover { opacity: .8; }

  .dash-btn-ghost {
    padding: .45rem 1rem;
    background: transparent;
    color: var(--dash-text);
    border: 1px solid var(--dash-border);
    border-radius: 6px;
    font-size: .82rem;
    cursor: pointer;
    transition: background .15s;
  }
  .dash-btn-ghost:hover  { background: color-mix(in oklch, var(--dash-text), transparent 90%); }
  .dash-btn-ghost:disabled { opacity: .4; cursor: default; }

  .dash-btn-danger {
    padding: .3rem .6rem;
    background: transparent;
    color: var(--dash-down);
    border: 1px solid var(--dash-down);
    border-radius: 4px;
    font-size: .75rem;
    cursor: pointer;
  }
  .dash-btn-danger:hover { background: color-mix(in oklch, var(--dash-down), transparent 90%); }

  /* --- Filter Bar --- */
  .filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: .75rem;
    padding: 1rem 2rem;
    background: var(--dash-surface);
    border-bottom: 1px solid var(--dash-border);
    position: sticky;
    top: 49px;
    z-index: 90;
  }

  .filter-group {
    display: flex;
    flex-direction: column;
    gap: .25rem;
  }

  .filter-group label {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    opacity: .5;
  }

  .date-range {
    display: flex;
    align-items: center;
    gap: .4rem;
  }

  .filter-bar input[type="date"],
  .filter-bar select {
    padding: .4rem .6rem;
    border-radius: 6px;
    border: 1px solid var(--dash-border);
    background: var(--dash-bg);
    color: var(--dash-text);
    font-size: .82rem;
    min-width: 120px;
  }

  .filter-bar select[multiple] {
    height: 2.2rem;
    min-height: unset;
    overflow: hidden;
  }

  .filter-actions { display: flex; gap: .5rem; align-self: flex-end; }

  /* --- KPI Grid --- */
  .kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--dash-gap);
    padding: var(--dash-gap) 2rem;
  }

  .kpi-card {
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius);
    padding: 1.25rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: .4rem;
    min-height: 90px;
    transition: box-shadow .2s;
  }
  .kpi-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,.06); }

  .kpi-label {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    opacity: .5;
  }

  .kpi-value {
    font-size: 1.55rem;
    font-weight: 300;
    letter-spacing: -.02em;
    line-height: 1;
  }

  .kpi-badge {
    display: inline-block;
    font-size: .72rem;
    font-weight: 500;
    padding: .15rem .45rem;
    border-radius: 12px;
    width: fit-content;
  }
  .badge-up   { background: color-mix(in oklch, var(--dash-up),   transparent 85%); color: var(--dash-up); }
  .badge-down { background: color-mix(in oklch, var(--dash-down), transparent 85%); color: var(--dash-down); }

  /* Skeleton loading */
  .skeleton {
    background: linear-gradient(90deg, var(--dash-border) 25%, color-mix(in oklch, var(--dash-border), transparent 50%) 50%, var(--dash-border) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
  }
  @keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

  /* --- Charts Row --- */
  .charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--dash-gap);
    padding: 0 2rem var(--dash-gap);
  }

  @media (max-width: 900px) { .charts-row { grid-template-columns: 1fr; } }

  .chart-card {
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .75rem;
  }

  .chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .chart-title    { font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; opacity: .5; }
  .chart-subtitle { font-size: .72rem; opacity: .4; }

  .chart-select {
    padding: .3rem .5rem;
    border-radius: 6px;
    border: 1px solid var(--dash-border);
    background: var(--dash-bg);
    color: var(--dash-text);
    font-size: .78rem;
  }

  .chart-canvas { height: 240px; width: 100%; }

  /* --- Table Section --- */
  .table-section {
    padding: 0 2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .table-wrapper {
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius);
    overflow-x: auto;
  }

  #data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .82rem;
  }

  #data-table th {
    padding: .75rem 1rem;
    text-align: left;
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    opacity: .5;
    border-bottom: 1px solid var(--dash-border);
    white-space: nowrap;
    user-select: none;
  }

  #data-table th.sortable { cursor: pointer; }
  #data-table th.sortable:hover { opacity: .8; }
  #data-table th.asc::after  { content: " ↑"; opacity: 1; }
  #data-table th.desc::after { content: " ↓"; opacity: 1; }

  #data-table td {
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--dash-border);
    white-space: nowrap;
  }

  #data-table tr:last-child td { border-bottom: none; }
  #data-table tr:hover td { background: color-mix(in oklch, var(--dash-text), transparent 97%); }

  .table-loading { text-align: center; padding: 2rem; opacity: .4; }

  .table-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: .82rem;
    opacity: .7;
  }

  .tag {
    display: inline-block;
    padding: .1rem .5rem;
    border-radius: 12px;
    font-size: .72rem;
    background: color-mix(in oklch, var(--dash-accent), transparent 80%);
    color: var(--dash-text);
  }

  /* --- Users Panel (slide-in drawer) --- */
  #users-panel {
    position: fixed;
    inset: 0;
    z-index: 200;
  }

  .panel-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.4);
  }

  .panel-drawer {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(480px, 95vw);
    background: var(--dash-surface);
    border-left: 1px solid var(--dash-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--dash-border);
  }

  .panel-head h3 { margin: 0; font-size: 1rem; font-weight: 400; }

  .panel-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: .5;
    line-height: 1;
    padding: 0;
    color: var(--dash-text);
  }
  .panel-close:hover { opacity: 1; }

  .panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .invite-form {
    display: flex;
    flex-direction: column;
    gap: .6rem;
  }

  .invite-form h4, .panel-body h4 { margin: 0 0 .25rem; font-size: .85rem; font-weight: 500; opacity: .6; text-transform: uppercase; letter-spacing: .06em; }

  .invite-form input,
  .invite-form select {
    padding: .5rem .75rem;
    border-radius: 6px;
    border: 1px solid var(--dash-border);
    background: var(--dash-bg);
    color: var(--dash-text);
    font-size: .85rem;
    width: 100%;
  }

  .invite-result {
    background: color-mix(in oklch, var(--dash-up), transparent 90%);
    border: 1px solid color-mix(in oklch, var(--dash-up), transparent 70%);
    border-radius: var(--dash-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
  }
  .invite-result p { margin: 0; font-size: .82rem; }
  .invite-result code {
    display: block;
    font-size: .72rem;
    word-break: break-all;
    opacity: .7;
    background: var(--dash-bg);
    padding: .4rem .6rem;
    border-radius: 4px;
  }

  .panel-divider { border: none; border-top: 1px solid var(--dash-border); margin: .5rem 0; }

  .users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .78rem;
  }
  .users-table th {
    text-align: left;
    padding: .5rem .75rem;
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    opacity: .5;
    border-bottom: 1px solid var(--dash-border);
  }
  .users-table td {
    padding: .5rem .75rem;
    border-bottom: 1px solid var(--dash-border);
  }
  .users-table tr:last-child td { border-bottom: none; }

  .status-badge {
    display: inline-block;
    padding: .1rem .45rem;
    border-radius: 12px;
    font-size: .7rem;
  }
  .status-active  { background: color-mix(in oklch, var(--dash-up),   transparent 85%); color: var(--dash-up); }
  .status-pending { background: color-mix(in oklch, #f59e0b, transparent 80%); color: #d97706; }
  .status-revoked { background: color-mix(in oklch, var(--dash-down), transparent 85%); color: var(--dash-down); }

}