/* Linguagem visual de prototipo-ux/modelo.html. Fontes locais do sistema,
   com os fallbacks do protótipo; nenhum recurso externo ou dado de obra. */
:root {
  color-scheme: light;
  --papel: #f9f8f6;
  --card: #fff;
  --grafite: #1a1a1a;
  --cinza: #6b6862;
  --linha: #e4e1db;
  --neutro: #eceae5;
  --oliva: #4a5d4e;
  --oliva-claro: #e4eae5;
  --folha: #fdfcfa;
  --grade-fina: #efece6;
  --grade-forte: #e2ded6;
  --alerta: #a23b2c;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--papel); color: var(--grafite); font: 400 1rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h1 { font: 500 clamp(2rem, 4vw, 2.7rem)/1.18 var(--serif); letter-spacing: -.025em; overflow-wrap: anywhere; }
h2 { font-size: .85rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.4; }
a { color: var(--oliva); text-underline-offset: 4px; }
button, input { font: inherit; }
button { cursor: pointer; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button, input { border-radius: 4px; }
:focus-visible { outline: 3px solid var(--oliva); outline-offset: 4px; }
.icon { display: block; width: 22px; height: 22px; flex: 0 0 auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 50; padding: 12px 20px; background: var(--card); }
.skip-link:focus { top: 12px; }
.eyebrow { font-size: .75rem; line-height: 1.5; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--oliva); }
.sub { color: var(--cinza); max-width: 58ch; }
.papel-mm {
  background: linear-gradient(var(--grade-forte) 1px, transparent 1px) 0 0 / 50px 50px,
    linear-gradient(90deg, var(--grade-forte) 1px, transparent 1px) 0 0 / 50px 50px,
    linear-gradient(var(--grade-fina) 1px, transparent 1px) 0 0 / 10px 10px,
    linear-gradient(90deg, var(--grade-fina) 1px, transparent 1px) 0 0 / 10px 10px, var(--folha);
}
.tag { display: inline-flex; align-items: center; gap: 7px; width: fit-content; padding: 6px 9px; border-radius: 2px; background: var(--oliva-claro); color: var(--oliva); font-size: .7rem; line-height: 1.4; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.tag-outline { border: 1px solid var(--linha); color: var(--cinza); background: transparent; }
.tag .icon { width: 16px; height: 16px; }
.button-primary { display: inline-flex; justify-content: center; align-items: center; gap: 16px; min-height: 50px; padding: 12px 18px; border: 1px solid var(--oliva); background: var(--oliva); color: var(--card); font-weight: 600; }
.button-primary:hover { background: #384a3c; }
.button-quiet { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 8px 12px; color: var(--grafite); background: transparent; border: 1px solid var(--linha); font-size: .875rem; }
.button-quiet:hover { background: var(--neutro); }
.button-quiet .icon { width: 17px; height: 17px; }
.site-header { border-bottom: 1px solid var(--linha); padding: calc(18px + env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) 18px max(24px, env(safe-area-inset-left, 0px)); }
.header-inner { max-width: 1120px; margin: auto; display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.product-brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--grafite); flex-shrink: 0; }
.brand-symbol { position: relative; display: block; flex: 0 0 auto; width: 50px; height: 66px; overflow: hidden; }
/* Enquadra o PNG original sem alterá-lo. O fundo claro se integra ao papel;
   a imagem mantém sua proporção e é exibida abaixo da resolução de origem. */
.brand-symbol img { position: absolute; display: block; max-width: none; width: 86px; height: auto; left: -17px; top: -12px; filter: brightness(1.08); mix-blend-mode: multiply; }
.product-symbol { width: 30px; height: 39px; }
.product-symbol img { width: 51px; left: -10px; top: -7px; }
.product-name { font-size: .8rem; font-weight: 600; line-height: 1.45; letter-spacing: .045em; text-transform: uppercase; }
.product-name > span { display: block; font-size: .7rem; font-weight: 400; color: var(--cinza); text-transform: none; letter-spacing: .02em; }
.session-actions { display: flex; align-items: center; justify-content: flex-end; gap: 14px; min-width: 0; }
.session-user { max-width: 20ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .8rem; color: var(--cinza); }
.page { max-width: 1168px; margin: auto; padding: 38px max(24px, env(safe-area-inset-right, 0px)) 64px max(24px, env(safe-area-inset-left, 0px)); min-height: calc(100svh - 166px); }
.page-heading { display: grid; gap: 12px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin: -12px 0 22px; text-decoration: none; color: var(--cinza); font-size: .8rem; }
.back-link:hover { color: var(--oliva); text-decoration: underline; }
.back-link .icon { width: 16px; height: 16px; }
.site-footer { display: flex; justify-content: space-between; gap: 16px; max-width: 1120px; margin: 0 auto; padding: 20px 0; border-top: 1px solid var(--linha); color: var(--cinza); font-size: .75rem; }
.section-nav { display: flex; gap: 28px; align-self: stretch; }
.section-nav a { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 0; text-decoration: none; font-size: .8rem; color: var(--cinza); border-bottom: 2px solid transparent; }
.section-nav .icon { width: 18px; height: 18px; }
.section-nav a:hover { color: var(--oliva); }
.section-nav a[aria-current="page"] { border-bottom-color: var(--oliva); color: var(--oliva); font-weight: 600; }
.work-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 36px; }
.work-heading .page-heading { min-width: 0; }
.profile-tag { flex-shrink: 0; margin-top: 28px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.assistant-panel, .projects-panel, .phases-panel { background: var(--card); border: 1px solid var(--linha); border-radius: 8px; overflow: hidden; }
.module-empty { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 16px; padding: 56px 28px; text-align: center; }
.module-empty p { max-width: 53ch; color: var(--cinza); font-size: .9375rem; }
.module-empty .module-note { font-size: .8125rem; }
.empty-icon { display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: 6px; background: var(--oliva-claro); color: var(--oliva); border-radius: 50%; }
.empty-icon .icon { width: 30px; height: 30px; }
.composer-preview { display: flex; align-items: center; gap: 12px; margin: 0 28px 24px; padding: 16px; border: 1px solid var(--linha); border-radius: 4px; background: var(--papel); color: var(--cinza); font-size: .8rem; }
.composer-preview > .icon { width: 18px; height: 18px; }
.composer-preview .tag { margin-left: auto; white-space: nowrap; background: var(--neutro); color: var(--cinza); }
.context-note { display: flex; gap: 10px; align-items: flex-start; margin-top: 20px; font-size: .8rem; color: var(--cinza); }
.context-note .icon { width: 17px; height: 17px; margin-top: 2px; }
.projects-panel { display: grid; grid-template-columns: .85fr 1.15fr; box-shadow: 0 12px 30px #0000000f, 0 4px 10px #0000000a; }
.project-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; min-height: 320px; padding: 24px; border-right: 1px solid var(--linha); color: var(--oliva); text-align: center; }
.project-placeholder > .icon { width: 80px; height: 80px; stroke-width: .7; }
.project-placeholder > span { background: var(--folha); padding: 4px 8px; color: var(--cinza); font-size: .7rem; letter-spacing: .05em; text-transform: uppercase; }
.phases-panel { display: grid; grid-template-columns: 180px 1fr; }
.phase-placeholder { display: grid; place-items: center; color: var(--oliva); border-right: 1px solid var(--linha); }
.phase-placeholder .icon { width: 72px; height: 72px; stroke-width: .7; }
.works-grid { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.work-card { height: 100%; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--linha); border-radius: 8px; background: var(--card); color: var(--grafite); text-decoration: none; box-shadow: 0 12px 30px #0000000f, 0 4px 10px #0000000a; }
.work-card:hover { border-color: var(--oliva); }
.work-card:active { transform: translateY(3px); }
.work-cover { min-height: 150px; display: grid; place-items: center; color: var(--oliva); border-bottom: 1px solid var(--linha); }
.work-cover .icon { width: 56px; height: 56px; stroke-width: 1; }
.work-card-content { padding: 22px; display: flex; flex: 1; flex-direction: column; gap: 16px; }
.work-card h2 { font-size: 1.125rem; line-height: 1.4; text-transform: none; letter-spacing: 0; overflow-wrap: anywhere; }
.work-card-action { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; margin-top: auto; border-top: 1px solid var(--linha); color: var(--oliva); font-size: .8rem; font-weight: 600; }
.work-card-action .icon { width: 18px; height: 18px; }
.empty-works { grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; padding: 64px 24px; border: 1px solid var(--linha); border-radius: 8px; background: var(--card); }
.empty-works h2 { text-transform: none; letter-spacing: 0; font-size: 1.1rem; }
/* Login: apresentação editorial e formulário Django, sem fluxos adicionais. */
.login-layout { min-height: 100svh; display: grid; grid-template-columns: 1fr 1fr; }
.login-story { display: flex; flex-direction: column; padding: 48px clamp(32px, 5vw, 80px) 32px; border-right: 1px solid var(--linha); background: #f0efe9; }
.brand-lockup { display: inline-flex; align-items: center; gap: 15px; width: fit-content; color: var(--grafite); }
.brand-lettering { display: grid; gap: 8px; }
.brand-word { white-space: nowrap; font: 400 1.65rem/1 var(--sans); letter-spacing: .055em; }
.brand-word strong { font-weight: 700; }
.brand-tagline { font: 500 .6rem/1.4 var(--sans); text-transform: uppercase; letter-spacing: .18em; }
.story-copy { margin-top: auto; padding-top: 76px; }
.story-title { margin-top: 18px; font: 500 clamp(2.5rem, 4.5vw, 4.25rem)/1.1 var(--serif); letter-spacing: -.035em; }
.story-description { color: var(--cinza); margin-top: 24px; font-size: .9375rem; }
.architecture-art { margin: 36px 0; border: 1px solid var(--linha); border-radius: 4px; padding-bottom: 14px; }
.architecture-art svg { width: 100%; height: auto; display: block; stroke: var(--oliva); stroke-width: 1.2; }
.art-fill { fill: var(--oliva-claro); }
.art-guide { opacity: .45; stroke-dasharray: 4 5; }
.art-caption { display: block; text-align: center; font-size: .65rem; letter-spacing: .05em; text-transform: uppercase; color: var(--cinza); padding: 0 12px; }
.story-footer { margin-top: auto; padding-top: 14px; color: var(--cinza); font-size: .75rem; }
.login-access { display: flex; align-items: center; justify-content: center; padding: 64px 40px; background: var(--card); }
.login-card { width: 100%; max-width: 400px; }
.access-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 24px; border: 1px solid var(--linha); border-radius: 4px; color: var(--oliva); }
.login-card h1 { font-size: clamp(2rem, 3vw, 2.5rem); margin: 12px 0 16px; }
.login-card > .sub { font-size: .9rem; }
.login-form { display: grid; gap: 22px; margin-top: 32px; }
.form-field label { display: block; margin-bottom: 8px; font-size: .85rem; font-weight: 600; }
.form-field input { display: block; width: 100%; min-height: 50px; padding: 10px 12px; border: 1px solid #c7c4bc; background: var(--folha); color: var(--grafite); }
.form-field input:focus { border-color: var(--oliva); }
.form-field input[aria-invalid="true"] { border-color: var(--alerta); }
.login-submit { width: 100%; justify-content: space-between; margin-top: 2px; font-size: .9rem; }
.access-help { padding-top: 24px; color: var(--cinza); font-size: .8125rem; }
.login-signature { display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--linha); padding-top: 24px; margin-top: 36px; font-size: .75rem; }
.login-signature span + span { color: var(--cinza); }
.form-alert { border-left: 3px solid var(--alerta); border-radius: 3px; background: #fcf1ed; padding: 14px 16px; color: #853124; font-size: .85rem; }
.form-alert p { margin-top: 4px; }
.field-errors { color: var(--alerta); font-size: .8rem; margin-top: 6px; }
.errorlist { list-style: none; padding: 0; margin: 0; }
@media (max-width: 1168px) {
  .site-footer { margin-inline: 24px; }
  .header-inner { gap: 20px; }
  .section-nav { gap: 20px; }
  .client-page .session-user { display: none; }
}
@media (max-width: 899px) {
  .client-page { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
  .section-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; padding: 0 env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px); border-top: 1px solid var(--linha); background: var(--papel); }
  .section-nav a { flex-direction: column; justify-content: center; gap: 6px; min-height: 72px; padding: 10px 4px; border-bottom: 0; border-top: 3px solid transparent; font-size: .7rem; line-height: 1.4; }
  .section-nav a[aria-current="page"] { border-top-color: var(--oliva); background: var(--oliva-claro); }
  .section-nav .icon { width: 21px; height: 21px; }
  .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-layout { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
  .login-story { padding: 36px 28px; }
  .story-title { font-size: 2.8rem; }
  .login-access { padding: 48px 28px; }
  .architecture-art { margin-top: 32px; }
}
@media (max-width: 640px) {
  .site-header { padding-inline: max(20px, env(safe-area-inset-left, 0px)) max(20px, env(safe-area-inset-right, 0px)); }
  .page { padding: 28px max(20px, env(safe-area-inset-right, 0px)) 40px max(20px, env(safe-area-inset-left, 0px)); }
  .site-footer { margin-inline: 20px; }
  .session-user { display: none; }
  .work-heading { flex-direction: column; gap: 16px; margin-bottom: 28px; }
  .profile-tag { margin: 0; }
  .module-empty { padding: 36px 20px; }
  .composer-preview { margin: 0 16px 16px; padding: 14px; gap: 10px; flex-wrap: wrap; }
  .composer-preview > span:not(.tag) { flex: 1; min-width: 160px; }
  .composer-preview .tag { margin-left: 28px; }
  .projects-panel, .phases-panel { grid-template-columns: 1fr; }
  .project-placeholder { min-height: 190px; border-right: 0; border-bottom: 1px solid var(--linha); }
  .phase-placeholder { min-height: 140px; border-right: 0; border-bottom: 1px solid var(--linha); }
  .works-grid { grid-template-columns: 1fr; }
  .login-layout { display: block; }
  .login-story { padding: calc(28px + env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) 28px max(24px, env(safe-area-inset-left, 0px)); border-right: 0; border-bottom: 1px solid var(--linha); }
  .brand-word { font-size: 1.5rem; }
  .story-copy { padding-top: 28px; }
  .story-title { font-size: 2rem; margin-top: 10px; }
  .story-title br { display: none; }
  .story-description, .architecture-art, .story-footer { display: none; }
  .login-access { padding: 32px max(24px, env(safe-area-inset-right, 0px)) calc(28px + env(safe-area-inset-bottom, 0px)) max(24px, env(safe-area-inset-left, 0px)); }
  .access-icon { display: none; }
  .login-card > .eyebrow { display: none; }
  .login-card h1 { font-size: 1.85rem; margin-top: 0; }
  .login-form { margin-top: 24px; gap: 18px; }
}