:root {
  --white: #FFFFFF;
  --gray: #5E5E5E;
  --gray-700: #3F3F3F;
  --gray-300: #D9D9D9;
  --gray-100: #F4F5F6;
  --celeste: #0091F4;
  --celeste-700: #0077C8;
  --danger: #B3261E;
  --danger-bg: #FCEBEA;
  --success: #1B6E3C;
  --success-bg: #E8F5EC;
  --radius: 10px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Roboto', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--gray);
  background: var(--gray-100);
}

h1 { margin: 0 0 .25rem; font-size: 1.6rem; font-weight: 500; color: var(--gray-700); }
p { margin: 0 0 1rem; }
a { color: var(--celeste-700); }

.muted { color: var(--gray); opacity: .85; }
.hint { margin: .35rem 0 0; font-size: .85rem; color: var(--gray); opacity: .85; }

.container { max-width: 1040px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.container--narrow { max-width: 460px; padding-top: 3rem; }

.topbar { background: var(--white); border-bottom: 3px solid var(--celeste); }
.topbar__inner { max-width: 1040px; margin: 0 auto; padding: .6rem 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.topbar__brand { display: inline-flex; }
.topbar__user { display: flex; align-items: center; gap: 1rem; }
.topbar__name { display: flex; flex-direction: column; text-align: right; line-height: 1.2; }
.topbar__name strong { color: var(--gray-700); font-weight: 500; }
.topbar__name small { font-size: .8rem; }

.logo { display: block; width: auto; }
.logo--sm { height: 30px; }
.logo--lg { height: 44px; margin: 0 auto 1.25rem; max-width: 100%; }

.card { background: var(--white); border-radius: var(--radius); padding: 1.5rem; box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 1px 12px rgba(0,0,0,.04); }
.card--auth { text-align: center; }
.card--auth .form { text-align: left; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; margin-top: 1.5rem; }

.stat { display: flex; flex-direction: column; gap: .25rem; }
.stat__label { font-size: .9rem; }
.stat__value { font-size: 2.2rem; font-weight: 500; color: var(--celeste-700); line-height: 1.1; }
.stat__value--text { font-size: 1.8rem; }

.form { margin-top: 1rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; margin-bottom: .35rem; font-weight: 500; color: var(--gray-700); }
.field input { width: 100%; padding: .7rem .8rem; font: inherit; color: var(--gray-700); background: var(--white); border: 1px solid var(--gray-300); border-radius: 8px; }
.field input:focus { outline: 3px solid rgba(0,145,244,.25); border-color: var(--celeste); }

.fieldset { border: 1px solid var(--gray-300); border-radius: var(--radius); padding: 1rem 1rem .25rem; margin: 0 0 1rem; }
.fieldset legend { padding: 0 .4rem; font-weight: 500; color: var(--gray-700); }

.btn { display: inline-block; padding: .7rem 1.2rem; font: inherit; font-weight: 500; text-decoration: none; text-align: center; cursor: pointer; border: 1px solid transparent; border-radius: 8px; }
.btn--primary { background: var(--celeste); color: var(--white); }
.btn--primary:hover { background: var(--celeste-700); }
.btn--ghost { background: transparent; color: var(--gray); border-color: var(--gray-300); padding: .45rem .9rem; }
.btn--ghost:hover { background: var(--gray-100); }
.btn--block { display: block; width: 100%; }
.btn:focus-visible { outline: 3px solid rgba(0,145,244,.35); outline-offset: 2px; }

.alert { padding: .8rem 1rem; margin-bottom: 1rem; border-radius: 8px; border: 1px solid transparent; }
.alert--error { background: var(--danger-bg); color: var(--danger); border-color: #F3C4C0; }
.alert--success { background: var(--success-bg); color: var(--success); border-color: #BFE3CB; }

.debug { text-align: left; white-space: pre-wrap; background: var(--gray-100); padding: .8rem; border-radius: 8px; font-size: .85rem; }

@media (max-width: 560px) {
  .topbar__name small { display: none; }
  .container--narrow { padding-top: 1.5rem; }
}