:root {
  --paper: #efebe1;
  --card: #fbf9f4;
  --ink: #23281f;
  --ink-soft: #5b5f52;
  --seal: #1f4b3f;
  --seal-dark: #163a30;
  --alert: #c97d2c;
  --line: #cdc6b3;
  --danger: #a13d2c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'IBM Plex Serif', serif;
  font-weight: 500;
  margin: 0;
}

a { color: var(--seal); }

/* ---------- Pantalla de acceso ---------- */

.login-screen {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 100vh;
}

@media (max-width: 860px) {
  .login-screen { grid-template-columns: 1fr; }
  .login-intro { display: none; }
}

.login-intro {
  padding: 4rem 3.5rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stamp {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  border: 2px solid var(--seal);
  color: var(--seal);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: 'IBM Plex Serif', serif;
  font-size: 12px;
  letter-spacing: 0.04em;
  transform: rotate(-8deg);
}

.login-intro h1 { font-size: 30px; max-width: 15ch; margin: 2rem 0 0.75rem; }
.login-intro p { color: var(--ink-soft); max-width: 40ch; margin: 0; }

.ledger { margin-top: 2.5rem; border-top: 1px solid var(--line); }

.ledger-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.ledger-row span:first-child { color: var(--ink); }
.ledger-row span:last-child { color: var(--ink-soft); text-align: right; }

.login-panel { display: flex; align-items: center; justify-content: center; padding: 2rem; }

.login-form {
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 2.5rem 2.25rem;
}

.login-form h2 { font-size: 22px; margin-bottom: 0.35rem; }
.login-form .subtitle { color: var(--ink-soft); font-size: 14px; margin: 0 0 2rem; }

.field { margin-bottom: 1.4rem; }
.field label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 0.35rem; }

.field input, .field select {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0.5rem 0.1rem;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
}

.field input:focus, .field select:focus { outline: none; border-bottom: 2px solid var(--seal); }

.btn-primary {
  border: none;
  background: var(--seal);
  color: #fff;
  padding: 0.75rem 1.1rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px;
  cursor: pointer;
}

.btn-primary:hover { background: var(--seal-dark); }
.btn-primary:focus-visible { outline: 3px solid var(--alert); outline-offset: 2px; }
.btn-primary.full { width: 100%; margin-top: 0.5rem; }

.btn-danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); padding: 0.4rem 0.8rem; font-size: 13px; cursor: pointer; }
.btn-danger:hover { background: var(--danger); color: #fff; }

.form-message {
  padding: 0.6rem 0.8rem;
  font-size: 13.5px;
  margin-bottom: 1.2rem;
  border: 1px solid transparent;
}

.form-message.error { background: #f6e7e2; color: var(--danger); border-color: #e2b6a6; }
.form-message.success { background: #e7efe6; color: var(--seal-dark); border-color: #bcd3ba; }

/* ---------- Panel principal ---------- */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2rem;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.topbar .brand { display: flex; align-items: center; gap: 0.65rem; font-family: 'IBM Plex Serif', serif; font-size: 18px; }
.topbar .brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--seal); }
.topbar .user-info { font-size: 14px; color: var(--ink-soft); display: flex; align-items: center; gap: 1rem; }

.topbar button, .topbar a.btn-link {
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.4rem 0.9rem;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
  text-decoration: none;
}

.topbar button:hover, .topbar a.btn-link:hover { border-color: var(--seal); color: var(--seal); }

.main-nav { display: flex; gap: 0; border-bottom: 1px solid var(--line); padding: 0 2rem; background: var(--paper); }

.main-nav a { display: inline-block; padding: 0.9rem 1.1rem; font-size: 14px; color: var(--ink-soft); text-decoration: none; border-bottom: 2px solid transparent; }
.main-nav a.active { color: var(--ink); border-bottom-color: var(--seal); }

.content { max-width: 760px; margin: 0 auto; padding: 3rem 2rem; }

.status-card { border: 1px solid var(--line); background: var(--card); padding: 1.75rem 2rem; }
.status-card .step-label { font-size: 13px; color: var(--seal); margin-bottom: 0.5rem; }
.status-card h2 { font-size: 20px; margin-bottom: 0.5rem; }
.status-card p { color: var(--ink-soft); margin: 0; }

.next-steps { margin-top: 2rem; border-top: 1px solid var(--line); }
.next-steps .row { display: flex; justify-content: space-between; padding: 0.9rem 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--ink-soft); }

table.ledger-table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; font-size: 14px; }
table.ledger-table th { text-align: left; font-weight: 500; color: var(--ink-soft); font-size: 12.5px; padding-bottom: 0.6rem; border-bottom: 1px solid var(--line); }
table.ledger-table td { padding: 0.75rem 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.ledger-table td.actions { text-align: right; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; font-size: 12px; }
.badge.admin { background: #e7efe6; color: var(--seal-dark); }
.badge.user { background: #efece0; color: var(--ink-soft); }

.panel-title-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }