/* Refinamentos visuais e ficha detalhada do cliente. */
.admin-body,
.admin-body button,
.admin-body input,
.admin-body textarea,
.admin-body select { font-family: var(--sans); }

.admin-sidebar { padding: 30px 17px 23px; background: linear-gradient(180deg, #071426 0%, #09182d 100%); }
.admin-nav { gap: 7px; }
.admin-nav button { min-height: 42px; padding: 11px 13px; font-size: 13px; letter-spacing: -.01em; }
.admin-nav button.is-active { box-shadow: inset 3px 0 0 var(--cyan), 0 10px 22px rgba(0, 0, 0, .14); }
.admin-main { width: min(1380px, 100%); padding: 46px clamp(25px, 4vw, 68px) 90px; }
.admin-topbar { padding-bottom: 25px; border-bottom: 1px solid rgba(38, 73, 111, .56); }
.admin-topbar h1 { font-family: var(--sans); font-size: clamp(29px, 3vw, 38px); font-weight: 800; letter-spacing: -.06em; }
.admin-section-head { align-items: flex-end; }
.admin-section-head h2 { font-family: var(--sans); font-size: clamp(28px, 3vw, 38px); font-weight: 800; letter-spacing: -.055em; }
.admin-section-head p { max-width: 580px; margin: 8px 0 0; color: #8ea8c7; font-size: 14px; line-height: 1.7; }
.admin-view { margin-top: 42px; }
.portal-card { border-color: rgba(34, 73, 108, .95); background: linear-gradient(145deg, rgba(12, 30, 54, .94), rgba(8, 20, 39, .94)); box-shadow: 0 24px 60px rgba(0, 0, 0, .16); }
.portal-split-customers { grid-template-columns: minmax(470px, 1fr) minmax(340px, .85fr); }
.portal-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
.portal-card-heading h3 { margin: 6px 0 0; font-size: 22px; letter-spacing: -.045em; }
.portal-text-button { border: 0; padding: 4px 0; color: #8da8c7; background: transparent; font: 12px var(--sans); text-decoration: underline; cursor: pointer; }
.portal-text-button:hover { color: var(--cyan); }
.form-group { display: grid; gap: 14px; padding-top: 20px; border-top: 1px solid rgba(36, 70, 105, .62); }
.form-group + .form-group { margin-top: 8px; }
.form-group h4 { margin: 0; color: #cfe1f5; font-size: 13px; letter-spacing: -.01em; }
.customer-form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; }
.customer-form-grid .form-span-2 { grid-column: span 2; }
.customer-form textarea { min-height: 92px; }
.portal-list-toolbar { display: flex; align-items: center; min-height: 28px; margin: 0 0 13px; }
.portal-list-toolbar p { margin: 0; color: #8da8c7; font: 11px var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.portal-customer-row { padding: 19px; transition: border-color .2s, transform .2s, box-shadow .2s; }
.portal-customer-row:hover { border-color: #28668e; transform: translateY(-1px); box-shadow: 0 13px 27px rgba(0, 0, 0, .12); }
.portal-customer-row h3 { font-size: 16px; }
.portal-customer-row p { margin-top: 5px; }
.portal-customer-row small { line-height: 1.55; }
.portal-action { transition: border-color .2s, color .2s, background .2s; }
.portal-action:hover { border-color: var(--cyan); color: #dff9ff; background: rgba(2, 201, 245, .12); }
.portal-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.admin-stats .admin-stat-card { display: block; width: 100%; min-height: 146px; padding: 25px; border: 1px solid var(--admin-line); border-radius: 13px; color: inherit; background: linear-gradient(145deg, rgba(11, 28, 51, .96), rgba(8, 20, 39, .96)); text-align: left; cursor: pointer; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.admin-stats .admin-stat-card:hover { border-color: #287398; transform: translateY(-3px); box-shadow: 0 18px 34px rgba(0, 0, 0, .22); }
.admin-stats .admin-stat-card:focus-visible { outline: 3px solid rgba(2, 201, 245, .34); outline-offset: 3px; }
.admin-stat-card small { display: block; margin-top: 13px; color: #7e9bb9; font: 10px var(--mono); letter-spacing: .015em; }
.admin-stats strong { font-family: var(--sans); font-size: 38px; }
.portal-stat-overdue { border-color: rgba(160, 73, 27, .7) !important; }
.portal-stat-overdue strong { color: #ff9152; }
.portal-stat-due { border-color: rgba(23, 114, 145, .76) !important; }
.portal-stat-due strong { color: #46daf6; }

.billing-watch-section { margin-top: 25px; padding: 25px; border: 1px solid rgba(35, 76, 112, .95); border-radius: 16px; background: linear-gradient(140deg, rgba(11, 30, 53, .92), rgba(7, 19, 37, .96)); box-shadow: 0 21px 48px rgba(0, 0, 0, .15); }
.billing-watch-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-bottom: 19px; border-bottom: 1px solid rgba(35, 68, 104, .72); }
.billing-watch-head h3 { margin: 7px 0 0; color: #edf6ff; font-size: 22px; letter-spacing: -.04em; }
.billing-watch-head p { max-width: 610px; margin: 7px 0 0; color: #8da8c7; font-size: 13px; line-height: 1.6; }
.billing-watch-section .portal-list { margin-top: 13px; }
.billing-watch-row { position: relative; border-color: rgba(31, 65, 99, .9); background: rgba(7, 19, 37, .62); }
.billing-watch-row::before { position: absolute; top: 15px; bottom: 15px; left: 0; width: 3px; border-radius: 0 4px 4px 0; content: ""; background: #16c6ed; opacity: .85; }
.billing-watch-row.billing-overdue::before { background: #ff7e30; }
.billing-watch-row h3 { padding-left: 8px; }
.billing-watch-row h3 span { color: #58799c; }
.billing-watch-row p { padding-left: 8px; }
.billing-watch-row p b { margin-left: 5px; color: #b8cae0; font-weight: 700; }
.billing-overdue p b { color: #ff9d64; }
.billing-watch-row small { padding-left: 8px; }
.portal-action-group { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.portal-action-paid { border-color: rgba(23, 153, 116, .7); color: #61ebbd; }
.portal-action-paid:hover { border-color: #40e6ac; color: #e4fff4; background: rgba(22, 223, 170, .12); }
.portal-filter-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 13px; border: 1px solid rgba(24, 91, 123, .7); border-radius: 10px; color: #b8d4eb; background: rgba(2, 126, 169, .07); font-size: 12px; line-height: 1.5; }
.portal-filter-toolbar .portal-action { flex: 0 0 auto; }
.commercial-system-layout { grid-template-columns: minmax(520px, 1.18fr) minmax(340px, .82fr); }
.commercial-system-form { max-width: 810px; }
.commercial-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.commercial-form-grid .form-span-2 { grid-column: span 2; }
.checkbox-field { grid-template-columns: auto 1fr !important; align-items: center; gap: 9px !important; padding: 11px 12px; border: 1px solid #203654; border-radius: 9px; color: #a9c0da !important; background: #071427; font-weight: 500 !important; line-height: 1.45; }
.checkbox-field input { width: 16px !important; height: 16px; margin: 0; padding: 0 !important; accent-color: var(--cyan); }
.commercial-system-form input[type="file"] { padding: 9px; color: #93acca; font-size: 11px; }
.commercial-system-form input[type="file"]::file-selector-button { margin-right: 9px; padding: 5px 8px; border: 1px solid #24507a; border-radius: 5px; color: var(--cyan); background: #0b2035; font: 10px var(--sans); cursor: pointer; }

@media (max-width: 1120px) {
  .portal-split-customers { grid-template-columns: 1fr; }
  .commercial-system-layout { grid-template-columns: 1fr; }
  .portal-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .admin-main { padding: 28px 17px 58px; }
  .admin-topbar { padding-bottom: 20px; }
  .customer-form-grid { grid-template-columns: 1fr 1fr; }
  .commercial-form-grid { grid-template-columns: 1fr; }
  .commercial-form-grid .form-span-2 { grid-column: span 1; }
  .customer-form-grid .form-span-2 { grid-column: span 2; }
  .portal-card { padding: 20px 17px; }
  .billing-watch-section { padding: 20px 17px; }
  .portal-filter-toolbar { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 430px) {
  .customer-form-grid { grid-template-columns: 1fr; }
  .customer-form-grid .form-span-2 { grid-column: span 1; }
  .portal-card-heading { align-items: flex-start; flex-direction: column; }
  .billing-watch-head { align-items: flex-start; flex-direction: column; }
  .billing-watch-row .portal-meta { margin-top: 14px; }
  .portal-action-group { justify-content: flex-start; }
  .portal-stats { grid-template-columns: 1fr; }
}