:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-card-2: #243349;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --highlight: #16a34a;
  --border: #334155;
  --error: #f87171;
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

.hidden { display: none !important; }

/* --- Login --- */
.login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}
.login-logo {
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 14px;
}
.login-card h1 { font-size: 22px; margin-bottom: 8px; }
.login-card input, .login-card button {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 16px;
  border: 1px solid var(--border);
}
.login-card input { background: var(--bg); color: var(--text); }
.login-card button {
  background: var(--accent);
  color: #04293a;
  font-weight: 700;
  border: none;
  cursor: pointer;
}
.error { color: var(--error); font-size: 14px; }

/* --- Topbar --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  padding-top: calc(16px + env(safe-area-inset-top));
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }
.topbar-actions { display: flex; gap: 8px; }
.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px; height: 40px;
  border-radius: 12px;
  font-size: 18px;
  cursor: pointer;
}
.icon-btn:active { transform: scale(0.95); }

/* --- Period selector --- */
.period {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 14px 18px;
}
.period label { font-size: 13px; color: var(--text-dim); display: flex; flex-direction: column; gap: 4px; }
.period input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 14px;
}
.period button {
  align-self: flex-end;
  background: var(--bg-card-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}
.hint { font-size: 12px; color: var(--text-dim); }

/* --- Totals --- */
.totals {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 6px 18px 18px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
}
.card.big { grid-column: span 1; }
.card.highlight {
  background: linear-gradient(135deg, #14532d, #166534);
  border-color: #15803d;
}
.card-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.card.highlight .card-label { color: #bbf7d0; }
.card-value { font-size: 26px; font-weight: 800; margin: 8px 0 4px; line-height: 1.1; }
.card-sub { font-size: 12px; color: var(--text-dim); }
.card.highlight .card-sub { color: #bbf7d0; }

/* --- Status banner --- */
.status {
  margin: 0 18px 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #422006;
  border: 1px solid #854d0e;
  color: #fcd34d;
  font-size: 13px;
}

/* --- Talleres --- */
.talleres { padding: 0 18px 24px; }
.talleres h2 { font-size: 15px; color: var(--text-dim); margin-bottom: 10px; font-weight: 600; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
thead th {
  background: var(--bg-card);
  text-align: left;
  padding: 12px 14px;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
}
tbody td { padding: 12px 14px; border-top: 1px solid var(--border); white-space: nowrap; }
tbody tr { background: var(--bg-card); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.taller-name { font-weight: 600; }
.row-error { opacity: 0.7; }
.badge-error {
  display: inline-block;
  font-size: 11px;
  color: var(--error);
  border: 1px solid var(--error);
  border-radius: 6px;
  padding: 1px 6px;
  margin-left: 8px;
}
.money { color: var(--accent-2); font-weight: 600; }
.money-ours { color: #fbbf24; font-weight: 700; }

.footer { padding: 0 18px 28px; color: var(--text-dim); font-size: 12px; text-align: center; }

.loading { opacity: 0.5; pointer-events: none; }

/* --- Desktop --- */
@media (min-width: 720px) {
  .totals { grid-template-columns: repeat(4, 1fr); }
  .card-value { font-size: 30px; }
}