:root {
  color-scheme: light;
  --bg: #f4f7f7;
  --surface: #ffffff;
  --surface-2: #f8faf9;
  --text: #15201f;
  --muted: #63706d;
  --border: #dce5e2;
  --primary: #0f766e;
  --primary-dark: #0b5f59;
  --primary-soft: #e8f5f3;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --warning: #9a6700;
  --warning-soft: #fff7df;
  --success: #067647;
  --success-soft: #e9f8ef;
  --info: #175cd3;
  --info-soft: #eef4ff;
  --shadow: 0 10px 30px rgba(24, 42, 38, 0.08);
  --radius: 14px;
  --sidebar: 250px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.mobile-only { display: none; }

.auth-layout { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at top left, #dff4ef, transparent 35%), var(--bg); }
.auth-card { width: min(430px, 100%); padding: 34px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow); }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-centered { justify-content: center; margin-bottom: 30px; }
.brand h1, .brand p, .brand strong, .brand small { margin: 0; display: block; }
.brand p, .brand small { color: var(--muted); margin-top: 2px; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--primary); color: white; font-weight: 800; font-size: 1.25rem; }

.form-stack { display: grid; gap: 16px; }
.auth-message { display: grid; gap: 5px; padding: 14px; border-radius: 10px; background: var(--primary-soft); border: 1px solid #cce7e2; }
.auth-message strong { color: var(--primary-dark); }
.auth-message span { color: var(--muted); font-size: .88rem; line-height: 1.4; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 7px; }
.field > span { font-size: .88rem; font-weight: 650; }
.field-full { grid-column: 1 / -1; }
input, select, textarea { width: 100%; border: 1px solid var(--border); background: white; color: var(--text); border-radius: 10px; padding: 11px 12px; outline: none; transition: border-color .15s, box-shadow .15s; }
textarea { resize: vertical; min-height: 88px; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,118,110,.12); }
input:disabled, select:disabled, textarea:disabled { background: #f1f4f3; color: #7a8582; }

.button { border: 1px solid transparent; border-radius: 10px; min-height: 42px; padding: 9px 14px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.button-primary { background: var(--primary); color: white; }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { background: white; color: var(--text); border-color: var(--border); }
.button-danger { background: var(--danger); color: white; }
.button-ghost { background: transparent; color: inherit; border-color: var(--border); }
.button-block { width: 100%; }
.button:disabled { opacity: .55; cursor: not-allowed; }
.icon-button { width: 40px; height: 40px; border: 1px solid var(--border); background: white; border-radius: 10px; display: grid; place-items: center; font-size: 1.25rem; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar) 1fr; }
.sidebar { background: #10201e; color: #eaf4f2; min-height: 100vh; position: sticky; top: 0; height: 100vh; padding: 24px 16px; display: flex; flex-direction: column; gap: 26px; z-index: 20; }
.sidebar .brand-mark { background: #1d9a8e; }
.sidebar .brand small { color: #a6b9b5; }
.nav { display: grid; gap: 6px; }
.nav-item { border: 0; text-align: left; background: transparent; color: #bdd0cc; border-radius: 10px; padding: 12px 13px; display: flex; gap: 10px; align-items: center; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,.09); color: white; }
.sidebar-footer { margin-top: auto; display: grid; gap: 12px; }
.user-box { display: grid; gap: 3px; padding: 10px 2px; }
.user-box span { color: #a6b9b5; font-size: .82rem; }
.sidebar .button-ghost { border-color: rgba(255,255,255,.18); color: white; }

.content-shell { min-width: 0; }
.topbar { min-height: 78px; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; gap: 18px; position: sticky; top: 0; z-index: 10; }
.topbar h2, .topbar p { margin: 0; }
.topbar h2 { font-size: 1.25rem; }
.topbar p { color: var(--muted); font-size: .86rem; margin-top: 3px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.env-badge { font-size: .72rem; font-weight: 800; color: var(--warning); background: var(--warning-soft); border: 1px solid #f3df9a; padding: 5px 8px; border-radius: 999px; }
.main-content { padding: 26px 28px 60px; max-width: 1500px; width: 100%; margin: 0 auto; }

.page-actions { display: flex; gap: 10px; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; }
.action-group { display: flex; gap: 10px; flex-wrap: wrap; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 24px; }
.metric-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: 0 4px 16px rgba(24,42,38,.04); }
.metric-card small { color: var(--muted); display: block; margin-bottom: 8px; }
.metric-card strong { font-size: 1.55rem; display: block; }
.metric-card span { color: var(--muted); font-size: .84rem; margin-top: 4px; display: block; }
.metric-card.danger strong { color: var(--danger); }
.metric-card.warning strong { color: var(--warning); }
.metric-card.success strong { color: var(--success); }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 4px 16px rgba(24,42,38,.04); overflow: hidden; margin-bottom: 20px; }
.panel-header { padding: 17px 18px; display: flex; justify-content: space-between; align-items: center; gap: 12px; border-bottom: 1px solid var(--border); }
.panel-header h3, .panel-header p { margin: 0; }
.panel-header h3 { font-size: 1rem; }
.panel-header p { font-size: .84rem; color: var(--muted); margin-top: 3px; }
.panel-body { padding: 18px; }

.table-wrap { width: 100%; overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: .9rem; vertical-align: middle; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .02em; background: var(--surface-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tr.clickable:hover { background: #f7faf9; }

.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 9px; font-size: .75rem; font-weight: 800; white-space: nowrap; }
.badge-pending { color: var(--warning); background: var(--warning-soft); }
.badge-deposited { color: var(--info); background: var(--info-soft); }
.badge-paid { color: var(--success); background: var(--success-soft); }
.badge-danger { color: var(--danger); background: var(--danger-soft); }
.badge-neutral { color: #52605d; background: #eef2f1; }
.badge-valid { color: var(--success); background: var(--success-soft); }
.badge-unvalidated { color: var(--warning); background: var(--warning-soft); }

.toolbar { display: grid; grid-template-columns: minmax(220px, 1fr) 180px 180px; gap: 10px; }
.search-input { position: relative; }
.empty-state { padding: 44px 18px; text-align: center; color: var(--muted); }
.empty-state strong { display: block; color: var(--text); margin-bottom: 6px; }

.progress { height: 8px; border-radius: 999px; background: #e9efed; overflow: hidden; min-width: 110px; }
.progress > span { display: block; height: 100%; background: var(--primary); border-radius: inherit; }
.amount-positive { color: var(--success); font-weight: 700; }
.amount-negative { color: var(--danger); font-weight: 700; }

.modal-backdrop { position: fixed; inset: 0; background: rgba(5,15,13,.55); z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal { width: min(760px, 100%); max-height: calc(100vh - 40px); overflow: auto; background: var(--surface); border-radius: 18px; box-shadow: 0 24px 80px rgba(0,0,0,.25); }
.modal-wide { width: min(980px, 100%); }
.modal-header { padding: 18px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; position: sticky; top: 0; background: white; z-index: 2; }
.modal-header h3, .modal-header p { margin: 0; }
.modal-body { padding: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.detail-item { border: 1px solid var(--border); background: var(--surface-2); border-radius: 10px; padding: 12px; }
.detail-item span { color: var(--muted); font-size: .76rem; display: block; margin-bottom: 4px; }
.detail-item strong { overflow-wrap: anywhere; }
.image-frame { margin-top: 18px; border: 1px solid var(--border); background: #eef2f1; min-height: 220px; display: grid; place-items: center; border-radius: 12px; overflow: hidden; }
.image-frame img { width: 100%; max-height: 520px; object-fit: contain; display: block; background: #111; }
.image-placeholder { color: var(--muted); padding: 40px; text-align: center; }
.section-title { margin: 24px 0 10px; font-size: .95rem; }

.camera-box { border: 1.5px dashed #b8c9c5; border-radius: 12px; padding: 16px; background: #f8fbfa; }
.camera-box input { padding: 9px; background: white; }
.preview-thumb { margin-top: 12px; max-height: 220px; max-width: 100%; border-radius: 10px; border: 1px solid var(--border); }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 200; max-width: min(420px, calc(100vw - 44px)); padding: 13px 15px; border-radius: 11px; color: white; background: #20302d; box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

.loading { display: grid; place-items: center; min-height: 250px; color: var(--muted); }
.spinner { width: 28px; height: 28px; border: 3px solid #dbe5e2; border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; margin-bottom: 10px; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 800px) {
  .mobile-only { display: grid; }
  .desktop-only { display: none !important; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; transform: translateX(-102%); transition: transform .2s ease; width: min(290px, 86vw); box-shadow: 18px 0 50px rgba(0,0,0,.25); }
  .sidebar.open { transform: translateX(0); }
  .topbar { padding: 12px 16px; justify-content: flex-start; }
  .topbar-actions { margin-left: auto; }
  .main-content { padding: 18px 14px 50px; }
  .form-grid, .toolbar, .detail-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card { padding: 15px; }
  .metric-card strong { font-size: 1.25rem; }
  .modal-backdrop { padding: 0; align-items: end; }
  .modal { width: 100%; max-height: 92vh; border-radius: 18px 18px 0 0; }
}

@media (max-width: 480px) {
  .metric-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 26px 20px; }
}

/* V1.2 - modo DEV con sesión anónima automática */
.dev-banner {
  background: #fff7df;
  border-bottom: 1px solid #f3df9a;
  color: #6b4d00;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.dev-banner > div:first-child { display: grid; gap: 2px; }
.dev-banner span { font-size: .82rem; }
.dev-session-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dev-session-info code {
  font-size: .72rem;
  background: rgba(255,255,255,.75);
  border: 1px solid #ead48c;
  border-radius: 7px;
  padding: 5px 7px;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.button-small { padding: 6px 9px; font-size: .75rem; min-height: auto; }
@media (max-width: 720px) {
  .dev-banner { padding: 9px 14px; align-items: flex-start; }
  .dev-session-info { width: 100%; }
  .dev-session-info code { max-width: min(100%, 240px); }
}