:root {
  --ecm-ink: var(--ui-text, var(--ui-text));
  --ecm-muted: var(--ui-muted, var(--ui-muted));
  --ecm-soft: var(--ui-bg, var(--ui-primary-soft));
  --ecm-panel: var(--ui-surface, var(--ui-surface));
  --ecm-line: var(--ui-border, var(--ui-border));
  --ecm-accent: var(--ui-primary, var(--ui-primary));
  --ecm-accent-strong: var(--ui-primary-strong, var(--ui-primary-strong));
  --ecm-accent-soft: var(--ui-primary-soft, var(--ui-primary-soft));
  --ecm-success: var(--ui-success, #257a55);
  --ecm-warning: var(--ui-warning, #966014);
  --ecm-danger: var(--ui-danger, #a92e3c);
  --ecm-radius-sm: var(--ui-radius-sm, 10px);
  --ecm-radius: var(--ui-radius, 16px);
  --ecm-radius-lg: var(--ui-radius-lg, 22px);
  --ecm-shadow: var(--ui-shadow, 0 16px 44px rgba(var(--ui-ink-rgb), .10));
  --ecm-ease: var(--ui-ease, cubic-bezier(.2,.8,.2,1));
  --ecm-motion: var(--ui-motion, 180ms);
}

.ecm-icon {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  overflow: visible;
  transform-origin: center;
  transition: transform var(--ecm-motion) var(--ecm-ease), opacity var(--ecm-motion) ease;
}

a:hover > .ecm-icon,
button:hover > .ecm-icon,
[role="button"]:hover > .ecm-icon {
  transform: translateY(-1px);
}

a:active > .ecm-icon,
button:active > .ecm-icon,
[role="button"]:active > .ecm-icon {
  transform: scale(.94);
}

.ecm-admin {
  margin: 0;
  min-height: 100vh;
  background: var(--ecm-soft);
  color: var(--ecm-ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.ecm-admin a {
  color: inherit;
}

.ecm-skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 10000;
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--ecm-ink);
  color: #fff !important;
  transition: top var(--ecm-motion) var(--ecm-ease);
}

.ecm-skip-link:focus {
  top: 1rem;
}

.ecm-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.ecm-sidebar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 1.2rem;
  background:
    radial-gradient(circle at 30% 5%, rgba(255,255,255,.08), transparent 32%),
    #1c1a18;
  color: #f7f3ef;
  overflow: auto;
}

.ecm-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .05rem;
  padding: .65rem .65rem 1.35rem;
}

.ecm-brand__monogram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  font-family: "Times New Roman", Georgia, serif;
  font-size: 2.05rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.08em;
  color: #fff;
}

.ecm-brand__monogram--legacy {
  min-width: auto;
  margin-inline: .35rem;
  vertical-align: middle;
}

.ecm-brand__caption {
  margin-top: .25rem;
  color: rgba(255,255,255,.62);
  font-size: .7rem;
  font-weight: 650;
  letter-spacing: .19em;
  text-transform: uppercase;
}

.ecm-sidebar__nav {
  display: grid;
  gap: .22rem;
}

.ecm-nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: .72rem;
  min-height: 42px;
  padding: .67rem .75rem;
  border: 1px solid transparent;
  border-radius: 12px;
  color: rgba(255,255,255,.72) !important;
  font-size: .86rem;
  font-weight: 580;
  text-decoration: none;
  transition:
    color var(--ecm-motion) ease,
    background var(--ecm-motion) ease,
    border-color var(--ecm-motion) ease,
    transform var(--ecm-motion) var(--ecm-ease);
}

.ecm-nav-link:hover {
  color: #fff !important;
  background: rgba(255,255,255,.07);
  transform: translateX(2px);
}

.ecm-nav-link:focus-visible {
  outline: 2px solid #e6c6a9;
  outline-offset: 2px;
}

.ecm-nav-link.is-active {
  color: #fff !important;
  border-color: rgba(255,255,255,.08);
  background: linear-gradient(100deg, rgba(159,116,77,.38), rgba(255,255,255,.04));
  box-shadow: inset 3px 0 0 #d3a980;
}

.ecm-nav-link .ecm-icon {
  width: 1.05rem;
  height: 1.05rem;
  opacity: .85;
}

.ecm-sidebar__footer {
  margin-top: auto;
  padding-top: 1rem;
}

.ecm-congress-chip {
  display: grid;
  gap: .25rem;
  padding: .8rem;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
}

.ecm-congress-chip__eyebrow {
  color: rgba(255,255,255,.5);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ecm-congress-chip strong {
  font-size: .78rem;
  line-height: 1.35;
}

.ecm-main {
  min-width: 0;
}

.ecm-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 clamp(1rem, 3vw, 2.4rem);
  border-bottom: 1px solid var(--ecm-line);
  background: rgba(245,243,239,.86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.ecm-topbar__identity {
  color: var(--ecm-muted);
  font-size: .82rem;
  font-weight: 600;
}

.ecm-sidebar-toggle {
  display: none;
}

.ecm-content {
  width: min(1500px, 100%);
  margin-inline: auto;
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.ecm-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ecm-page-head h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.045em;
}

.ecm-eyebrow {
  margin: 0 0 .45rem;
  color: var(--ecm-accent-strong);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.ecm-page-description {
  max-width: 68ch;
  margin: .75rem 0 0;
  color: var(--ecm-muted);
  line-height: 1.55;
}

.ecm-page-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .55rem;
}

.ecm-grid {
  display: grid;
  gap: 1rem;
}

.ecm-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ecm-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ecm-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ecm-card {
  border: 1px solid var(--ecm-line);
  border-radius: var(--ecm-radius);
  background: var(--ecm-panel);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset;
}

.ecm-card--padded {
  padding: clamp(1rem, 2vw, 1.45rem);
}

.ecm-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--ecm-line);
}

.ecm-card__head h2,
.ecm-card__head h3 {
  margin: 0;
  font-size: 1rem;
}

.ecm-card__body {
  padding: 1.2rem;
}

.ecm-stat {
  position: relative;
  min-height: 132px;
  padding: 1.2rem;
  overflow: hidden;
}

.ecm-stat::after {
  content: "";
  position: absolute;
  right: -2rem;
  bottom: -3rem;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: var(--ecm-accent-soft);
}

.ecm-stat__label {
  color: var(--ecm-muted);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.ecm-stat__value {
  display: block;
  margin-top: .55rem;
  font-family: Georgia, serif;
  font-size: 2.2rem;
  line-height: 1;
}

.ecm-button,
button.ecm-button,
a.ecm-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .48rem;
  min-height: 40px;
  padding: .62rem .9rem;
  border: 1px solid var(--ecm-ink);
  border-radius: 999px;
  background: var(--ecm-ink);
  color: #fff !important;
  font: inherit;
  font-size: .8rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--ecm-motion) var(--ecm-ease),
    box-shadow var(--ecm-motion) ease,
    background var(--ecm-motion) ease,
    border-color var(--ecm-motion) ease;
}

.ecm-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(23,23,23,.14);
}

.ecm-button:active {
  transform: translateY(0) scale(.98);
}

.ecm-button:focus-visible,
.ecm-icon-button:focus-visible,
.ecm-input:focus-visible,
.ecm-select:focus-visible,
.ecm-textarea:focus-visible {
  outline: 3px solid rgba(138,103,72,.28);
  outline-offset: 2px;
}

.ecm-button--secondary {
  border-color: var(--ecm-line) !important;
  background: #fff !important;
  color: var(--ecm-ink) !important;
  box-shadow: none;
}

.ecm-button--danger {
  border-color: var(--ecm-danger) !important;
  background: var(--ecm-danger) !important;
}

.ecm-button--ghost {
  border-color: transparent !important;
  background: transparent !important;
  color: var(--ecm-ink) !important;
}

.ecm-button[disabled],
.ecm-button[aria-disabled="true"] {
  opacity: .48;
  pointer-events: none;
}

.ecm-icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--ecm-line);
  border-radius: 50%;
  background: #fff;
  color: var(--ecm-ink);
  cursor: pointer;
  transition: transform var(--ecm-motion) var(--ecm-ease), background var(--ecm-motion) ease;
}

.ecm-icon-button:hover {
  transform: translateY(-1px);
  background: var(--ecm-accent-soft);
}

.ecm-form {
  display: grid;
  gap: 1rem;
}

.ecm-form-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: .9rem;
}

.ecm-field {
  grid-column: span 6;
  display: grid;
  gap: .38rem;
}

.ecm-field--full {
  grid-column: 1 / -1;
}

.ecm-field--third {
  grid-column: span 4;
}

.ecm-field--quarter {
  grid-column: span 3;
}

.ecm-label {
  font-size: .76rem;
  font-weight: 750;
  color: #383532;
}

.ecm-help {
  color: var(--ecm-muted);
  font-size: .72rem;
  line-height: 1.45;
}

.ecm-input,
.ecm-select,
.ecm-textarea {
  width: 100%;
  min-height: 44px;
  padding: .72rem .8rem;
  border: 1px solid rgba(23,23,23,.18);
  border-radius: 11px;
  background: #fff;
  color: var(--ecm-ink);
  font: inherit;
  font-size: .86rem;
  transition: border-color var(--ecm-motion) ease, box-shadow var(--ecm-motion) ease;
}

.ecm-textarea {
  min-height: 110px;
  resize: vertical;
}

.ecm-input:hover,
.ecm-select:hover,
.ecm-textarea:hover {
  border-color: rgba(23,23,23,.32);
}

.ecm-check {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .82rem;
  line-height: 1.45;
}

.ecm-check input {
  width: 1rem;
  height: 1rem;
  margin-top: .12rem;
  accent-color: var(--ecm-accent-strong);
}

.ecm-form-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .55rem;
  padding-top: .4rem;
}

.ecm-table-wrap {
  overflow: auto;
  border: 1px solid var(--ecm-line);
  border-radius: var(--ecm-radius);
  background: #fff;
}

.ecm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}

.ecm-table th,
.ecm-table td {
  padding: .78rem .85rem;
  border-bottom: 1px solid var(--ecm-line);
  text-align: left;
  vertical-align: top;
}

.ecm-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8f7f4;
  color: #4e4944;
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .065em;
  text-transform: uppercase;
}

.ecm-table tr:last-child td {
  border-bottom: 0;
}

.ecm-table tbody tr {
  transition: background var(--ecm-motion) ease;
}

.ecm-table tbody tr:hover {
  background: rgba(138,103,72,.055);
}

.ecm-table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}

.ecm-badge {
  display: inline-flex;
  align-items: center;
  gap: .28rem;
  padding: .28rem .52rem;
  border-radius: 999px;
  background: var(--ecm-soft);
  color: #4c4844;
  font-size: .68rem;
  font-weight: 750;
}

.ecm-badge--success {
  background: #e5f3ec;
  color: var(--ecm-success);
}

.ecm-badge--warning {
  background: #fbf0dc;
  color: var(--ecm-warning);
}

.ecm-badge--danger {
  background: #f8e4e4;
  color: var(--ecm-danger);
}

.ecm-alert {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin: 0 0 1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--ecm-line);
  border-radius: 13px;
  background: #fff;
  font-size: .82rem;
  line-height: 1.5;
}

.ecm-alert--success {
  border-color: rgba(37,107,74,.24);
  background: #eff8f3;
  color: #1c5a3d;
}

.ecm-alert--warning {
  border-color: rgba(138,90,24,.24);
  background: #fff8eb;
  color: #704711;
}

.ecm-alert--error {
  border-color: rgba(155,48,48,.24);
  background: #fff1f1;
  color: #7e2525;
}

.ecm-empty {
  display: grid;
  place-items: center;
  gap: .5rem;
  min-height: 180px;
  padding: 2rem;
  color: var(--ecm-muted);
  text-align: center;
}

.ecm-empty .ecm-icon {
  width: 2rem;
  height: 2rem;
  color: var(--ecm-accent);
}

.ecm-tabs {
  display: flex;
  gap: .35rem;
  margin-bottom: 1rem;
  padding: .3rem;
  border: 1px solid var(--ecm-line);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  overflow: auto;
}

.ecm-tab {
  flex: 0 0 auto;
  padding: .58rem .82rem;
  border-radius: 999px;
  color: var(--ecm-muted) !important;
  font-size: .76rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--ecm-motion) ease, color var(--ecm-motion) ease;
}

.ecm-tab:hover,
.ecm-tab.is-active {
  background: var(--ecm-ink);
  color: #fff !important;
}

.ecm-details {
  border: 1px solid var(--ecm-line);
  border-radius: var(--ecm-radius);
  background: #fff;
}

.ecm-details summary {
  padding: .9rem 1rem;
  font-weight: 750;
  cursor: pointer;
}

.ecm-details__body {
  padding: 0 1rem 1rem;
}

.ecm-problem {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 2rem;
  background: var(--ecm-soft);
  color: var(--ecm-ink);
  text-align: center;
  font-family: Inter, system-ui, sans-serif;
}

.ecm-problem__mark {
  font-family: Georgia, serif;
  font-size: 1.4rem;
  letter-spacing: -.06em;
}

.ecm-problem h1 {
  margin: 1rem 0 .25rem;
  font: 500 4rem/1 Georgia, serif;
}

.ecm-problem p {
  max-width: 50ch;
  color: var(--ecm-muted);
}

.ecm-registration-notice {
  position: relative;
  margin: 1rem 0;
  padding: 1rem 1rem 1rem 3.3rem;
  border: 1px solid rgba(138,103,72,.24);
  border-radius: 15px;
  background: linear-gradient(135deg, #fffaf4, #fff);
  color: #4a3a2c;
}

.ecm-registration-notice::before {
  content: "!";
  position: absolute;
  left: 1rem;
  top: 1rem;
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--ecm-accent);
  color: #fff;
  font-weight: 850;
}

.ecm-registration-notice strong {
  display: block;
  margin-bottom: .25rem;
}

.ecm-registration-consent {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  margin-top: .85rem;
  font-size: .82rem;
  line-height: 1.5;
}

.ecm-registration-consent input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: .12rem;
  accent-color: var(--ecm-accent-strong);
}

.ecm-payment-panel {
  display: grid;
  gap: .75rem;
  margin-top: .8rem;
}

.ecm-bank-card {
  padding: .9rem;
  border: 1px solid var(--ecm-line);
  border-radius: 13px;
  background: #fff;
}

.ecm-bank-card h4 {
  margin: 0 0 .5rem;
}

.ecm-bank-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .28rem .65rem;
  margin: 0;
  font-size: .8rem;
}

.ecm-bank-card dt {
  color: var(--ecm-muted);
}

.ecm-bank-card dd {
  margin: 0;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.ecm-inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}

.ecm-code {
  padding: .14rem .36rem;
  border-radius: 6px;
  background: var(--ecm-soft);
  font: .75rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

.ecm-progress {
  height: 8px;
  border-radius: 999px;
  background: #e9e5df;
  overflow: hidden;
}

.ecm-progress > span {
  display: block;
  height: 100%;
  width: var(--ecm-progress, 0%);
  border-radius: inherit;
  background: var(--ecm-accent);
  transition: width 320ms var(--ecm-ease);
}

.ecm-dialog {
  width: min(720px, calc(100vw - 2rem));
  border: 0;
  border-radius: var(--ecm-radius-lg);
  padding: 0;
  box-shadow: var(--ecm-shadow);
}

.ecm-dialog::backdrop {
  background: rgba(15,14,13,.55);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.ecm-dialog__head,
.ecm-dialog__body,
.ecm-dialog__foot {
  padding: 1rem 1.2rem;
}

.ecm-dialog__head {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--ecm-line);
}

.ecm-dialog__head h2 {
  margin: 0;
}

.ecm-dialog__foot {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  border-top: 1px solid var(--ecm-line);
}

@media (max-width: 1150px) {
  .ecm-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ecm-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 850px) {
  .ecm-shell { grid-template-columns: 1fr; }
  .ecm-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(290px, 86vw);
    transform: translateX(-105%);
    transition: transform 240ms var(--ecm-ease);
    box-shadow: 15px 0 40px rgba(0,0,0,.2);
  }
  .ecm-sidebar.is-open { transform: translateX(0); }
  .ecm-sidebar-toggle { display: inline-grid; }
  .ecm-content { padding: 1rem; }
  .ecm-page-head { align-items: flex-start; flex-direction: column; }
  .ecm-page-actions { justify-content: flex-start; }
  .ecm-grid--2,
  .ecm-grid--3,
  .ecm-grid--4 { grid-template-columns: 1fr; }
  .ecm-field,
  .ecm-field--third,
  .ecm-field--quarter { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .ecm-topbar { padding-inline: .8rem; }
  .ecm-page-head h1 { font-size: 2.15rem; }
  .ecm-card__head { flex-direction: column; }
  .ecm-form-actions,
  .ecm-page-actions { width: 100%; }
  .ecm-form-actions .ecm-button,
  .ecm-page-actions .ecm-button { flex: 1 1 auto; }
  .ecm-table th,
  .ecm-table td { padding: .65rem; }
}

@media (prefers-reduced-motion: reduce) {
  :root { --ecm-motion: 0ms; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  a:hover > .ecm-icon,
  button:hover > .ecm-icon,
  [role="button"]:hover > .ecm-icon,
  .ecm-nav-link:hover,
  .ecm-button:hover,
  .ecm-icon-button:hover {
    transform: none !important;
  }
}