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

:root {
  --bg: #0f1117;
  --card: #1a1d27;
  --border: #2a2d3a;
  --text: #e4e6ed;
  --muted: #8b8fa3;
  --accent: #4f8cff;
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 70px;
}

/* LOGIN */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-container { width: 100%; max-width: 360px; }
.login-card {
  background: var(--card); border-radius: 16px;
  padding: 32px 24px; text-align: center;
  border: 1px solid var(--border);
}
.login-card h1 { font-size: 28px; margin-bottom: 4px; }
.login-card .sub { color: var(--muted); margin-bottom: 24px; font-size: 14px; }
.login-step { display: flex; flex-direction: column; gap: 12px; }
.login-step label { text-align: left; font-size: 13px; color: var(--muted); }
.login-step input[type="tel"] {
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); padding: 12px; border-radius: 10px; font-size: 16px;
}
.login-step input[type="tel"]:focus { outline: none; border-color: var(--accent); }
.pin-inputs { display: flex; gap: 12px; justify-content: center; }
.pin-digit {
  width: 52px; height: 60px; text-align: center; font-size: 28px;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px;
}
.pin-digit:focus { border-color: var(--accent); outline: none; }
.info { color: var(--muted); font-size: 13px; }
.error { color: var(--red); font-size: 13px; min-height: 20px; }
.hidden { display: none !important; }

/* BUTTONS */
.btn-primary {
  background: var(--accent); color: #fff; border: none;
  padding: 12px; border-radius: 10px; font-size: 16px; font-weight: 600; cursor: pointer;
}
.btn-primary:active { opacity: 0.8; }
.btn-sm {
  background: transparent; color: var(--red); border: 1px solid var(--red);
  padding: 6px 14px; border-radius: 8px; font-size: 13px; cursor: pointer;
}

/* TOPBAR */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 18px; }
.topbar div { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }

/* BOTTOM NAV */
.bottom-nav {
  display: flex; position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--card); border-top: 1px solid var(--border); z-index: 10;
}
.bottom-nav a {
  flex: 1; text-align: center; padding: 12px 8px; font-size: 12px;
  color: var(--muted); text-decoration: none; transition: color .15s;
}
.bottom-nav a.active { color: var(--accent); }

/* PAGES */
main { padding: 16px; max-width: 800px; margin: 0 auto; }
.page { display: none; }
.page.active { display: block; }

/* CARDS */
.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.kpi-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
}
.kpi-card .label { font-size: 12px; color: var(--muted); }
.kpi-card .value { font-size: 24px; font-weight: 700; margin: 4px 0; }
.kpi-card .delta { font-size: 12px; }
.kpi-card .delta.up { color: var(--green); }
.kpi-card .delta.down { color: var(--red); }

.chart-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; margin-bottom: 20px;
}
.chart-box h3 { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.chart-box canvas { width: 100% !important; max-height: 250px; }

/* TABLES */
.table-container { overflow-x: auto; }
table {
  width: 100%; border-collapse: collapse; font-size: 13px;
  background: var(--card); border-radius: 12px; overflow: hidden;
}
th, td { padding: 10px 12px; text-align: left; white-space: nowrap; }
th { background: var(--border); color: var(--muted); font-weight: 600; }
td { border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }

/* BADGES */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 8px; font-size: 11px;
}
.badge.green { background: rgba(52,211,153,0.15); color: var(--green); }
.badge.red { background: rgba(248,113,113,0.15); color: var(--red); }
.badge.yellow { background: rgba(251,191,36,0.15); color: var(--yellow); }

/* FILTERS */
.filters {
  display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap;
}
.filters input, .filters select {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 8px; font-size: 13px;
}
.filters input:focus { border-color: var(--accent); outline: none; }

/* REPORT DETAIL */
.report-detail {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; margin-bottom: 16px;
}
.report-detail h3 { margin-bottom: 12px; }
.report-detail .section { margin-bottom: 16px; }
.report-detail .section h4 { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.report-detail .section p { font-size: 14px; line-height: 1.5; }

/* Loading */
.loading { text-align: center; color: var(--muted); padding: 40px; }