:root{
  --bg: #ffffff;
  --card: #f6f7f9;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;

  --primary: #111827;
  --primary-contrast: #ffffff;

  --shadow: 0 8px 22px rgba(2, 8, 23, 0.08);

  --safe: #16a34a;
  --warn: #f59e0b;
  --danger: #ef4444;

  --nav-h: 72px;
  --radius: 18px;
}

[data-theme="dark"]{
  --bg: #0b1220;
  --card: #101a2e;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: #1f2a44;

  --primary: #e5e7eb;
  --primary-contrast: #0b1220;

  --shadow: 0 10px 24px rgba(0,0,0,0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }

.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-title{
  font-weight: 800;
  letter-spacing: -0.2px;
  font-size: 16px;
}
.app-subtitle{
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.icon-btn{
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}

.main{
  padding: 12px 14px calc(var(--nav-h) + 18px);
  max-width: 740px;
  margin: 0 auto;
}

.tab{ display: none; }
.tab--visible{ display: block; }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  margin-bottom: 12px;
}

.card__title{
  font-weight: 750;
  font-size: 14px;
  margin-bottom: 10px;
  letter-spacing: -0.15px;
}

.form{ display: grid; gap: 10px; }
.form-row{ display: grid; gap: 6px; }

.label{
  font-size: 12px;
  color: var(--muted);
}

.input, .select{
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.6);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 12px;
  font-size: 16px;
  outline: none;
}
[data-theme="dark"] .input,
[data-theme="dark"] .select{
  background: rgba(0,0,0,0.22);
}

.input:focus, .select:focus{
  border-color: rgba(59,130,246,0.55);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.15);
}

.hint{
  font-size: 12px;
  color: var(--muted);
  line-height: 1.25;
}

.form-actions{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 6px;
}

.btn{
  border-radius: 16px;
  padding: 12px 12px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid var(--border);
  cursor: pointer;
  text-align: center;
  user-select: none;
}

.btn--primary{
  background: var(--primary);
  color: var(--primary-contrast);
  border-color: transparent;
}

.btn--ghost{
  background: transparent;
  color: var(--text);
}

.toast{
  display: none;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.65);
  color: var(--text);
  font-size: 13px;
}
[data-theme="dark"] .toast{
  background: rgba(0,0,0,0.25);
}

.toast--show{ display: block; }
.toast--ok{ border-color: rgba(34,197,94,0.35); }
.toast--err{ border-color: rgba(239,68,68,0.35); }

.bottom-nav{
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: var(--nav-h);
  background: var(--bg);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 30;
}

.bottom-nav__btn{
  background: transparent;
  border: none;
  color: var(--muted);
  display: grid;
  place-items: center;
  gap: 2px;
  cursor: pointer;
  padding: 8px 4px;
}

.bottom-nav__btn .ico{ font-size: 18px; line-height: 1; }
.bottom-nav__btn .txt{ font-size: 12px; font-weight: 700; }

.bottom-nav__btn--active{ color: var(--text); }

.fab{
  position: fixed;
  right: 16px;
  bottom: calc(var(--nav-h) + 16px);
  width: 56px;
  height: 56px;
  border-radius: 999px;
  border: none;
  background: var(--primary);
  color: var(--primary-contrast);
  font-size: 28px;
  font-weight: 900;
  box-shadow: var(--shadow);
  cursor: pointer;
  z-index: 35;
}

.spacer{ height: 4px; }

/* ===== Dashboard ===== */
.totales{ display: grid; gap: 8px; }

.total-line{
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
}

.badge{
  font-weight: 800;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-transform: capitalize;
}
.badge--verde{ border-color: rgba(22,163,74,0.35); color: var(--safe); }
.badge--amarillo{ border-color: rgba(245,158,11,0.35); color: var(--warn); }
.badge--rojo{ border-color: rgba(239,68,68,0.35); color: var(--danger); }

.item{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255,255,255,0.55);
  display: grid;
  gap: 8px;
}
[data-theme="dark"] .item{ background: rgba(0,0,0,0.18); }

.item__top{
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
}

.item__name{ font-weight: 800; font-size: 14px; }

.item__nums{
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}

.progress{
  height: 12px;
  border-radius: 999px;
  background: rgba(148,163,184,0.25);
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress__bar{
  height: 100%;
  width: 0%;
  border-radius: 999px;
}

.progress__bar--verde{ background: var(--safe); }
.progress__bar--amarillo{ background: var(--warn); }
.progress__bar--rojo{ background: var(--danger); }

/* ===== Historial ===== */
.hist-actions{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.tabla{ display: grid; gap: 8px; }

.row{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.55);
  display: grid;
  gap: 6px;
}
[data-theme="dark"] .row{ background: rgba(0,0,0,0.18); }

.row__top{
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
}

.row__title{ font-weight: 850; font-size: 13px; }
.row__amount{ font-weight: 900; font-size: 13px; }

.row__meta{
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== Modal Admin ===== */
.modal{
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}
.modal--open{ display: block; }

.modal__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 23, 0.55);
}

.modal__panel{
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 10px;
  width: min(760px, calc(100% - 18px));
  bottom: calc(var(--nav-h) + 10px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 12px;
  overflow: auto;
}

.modal__header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 4px 4px 10px;
}

.modal__title{
  font-weight: 900;
  letter-spacing: -0.2px;
}

.modal__tabs{
  display: flex;
  gap: 8px;
  padding: 0 4px 10px;
  flex-wrap: wrap;
}

.pill{
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}
.pill--active{
  background: var(--primary);
  color: var(--primary-contrast);
  border-color: transparent;
}

.admin-tab{ display: none; padding: 0 4px 10px; }
.admin-tab--visible{ display: block; }

.admin-list{
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.admin-item{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255,255,255,0.55);
  display: grid;
  gap: 8px;
}
[data-theme="dark"] .admin-item{ background: rgba(0,0,0,0.18); }

.admin-item__top{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.admin-name{ font-weight: 900; font-size: 13px; }
.admin-meta{ color: var(--muted); font-size: 12px; }

.toggle{
  width: 52px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(148,163,184,0.25);
  position: relative;
  cursor: pointer;
  flex: 0 0 auto;
}
.toggle::after{
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  top: 2px;
  left: 3px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all .18s ease;
}
.toggle[data-on="1"]{
  background: rgba(22,163,74,0.25);
  border-color: rgba(22,163,74,0.35);
}
.toggle[data-on="1"]::after{ left: 24px; }

.mini-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}