:root {
  --m-bg: #070f1f;
  --m-surface: #0f1a33;
  --m-card: rgba(255, 255, 255, 0.06);
  --m-border: rgba(255, 255, 255, 0.08);
  --m-text: #eef2ff;
  --m-dim: #94a3b8;
  --m-accent: #00d4ff;
  --m-purple: #7c3aed;
  --m-ok: #22c55e;
  --m-warn: #f59e0b;
  --m-bad: #ef4444;
  --m-info: #38bdf8;
  --m-radius: 14px;
  --m-tab-h: 64px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.m-app {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--m-bg);
  color: var(--m-text);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

.m-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, #0d1b3d 0%, rgba(13, 27, 61, 0.92) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--m-border);
  padding: 12px 16px 10px;
  padding-top: max(12px, env(safe-area-inset-top));
}
.m-topbar-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.m-brand { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--m-accent); font-weight: 700; }
.m-page-title { margin: 2px 0 0; font-size: 20px; font-weight: 700; line-height: 1.2; }
.m-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--m-card); border: 1px solid var(--m-border);
  color: var(--m-dim); text-decoration: none;
}

.m-main {
  padding: 12px 16px calc(var(--m-tab-h) + var(--safe-b) + 48px);
  max-width: 520px;
  margin: 0 auto;
}

.m-kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.m-kpi {
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 14px;
}
.m-kpi-label { font-size: 11px; color: var(--m-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.m-kpi-value { font-size: 18px; font-weight: 700; margin-top: 4px; }
.m-kpi-sub { font-size: 11px; color: var(--m-dim); margin-top: 4px; }

.m-section-title {
  font-size: 13px; font-weight: 600; color: var(--m-dim);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin: 18px 0 10px;
}

.m-list { display: flex; flex-direction: column; gap: 8px; }
.m-card-link {
  display: block;
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}
.m-card-link:active { border-color: var(--m-accent); }
.m-card-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.m-card-title { font-weight: 600; font-size: 15px; }
.m-card-meta { font-size: 12px; color: var(--m-dim); margin-top: 4px; }
.m-card-amount { font-weight: 700; font-size: 15px; white-space: nowrap; }

.m-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 999px;
}
.m-badge-ok { background: rgba(34, 197, 94, 0.2); color: var(--m-ok); }
.m-badge-warn { background: rgba(245, 158, 11, 0.2); color: var(--m-warn); }
.m-badge-info { background: rgba(56, 189, 248, 0.2); color: var(--m-info); }
.m-badge-bad { background: rgba(239, 68, 68, 0.2); color: var(--m-bad); }
.m-badge-muted { background: rgba(148, 163, 184, 0.15); color: var(--m-dim); }

.m-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--m-dim);
  font-size: 14px;
}

.m-btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.m-btn-primary {
  background: linear-gradient(135deg, var(--m-accent), var(--m-purple));
  color: #fff;
  flex: 1;
  min-width: 120px;
}
.m-btn-ghost {
  background: var(--m-card);
  border: 1px solid var(--m-border);
  color: var(--m-text);
}

.m-detail-hero {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(124, 58, 237, 0.15));
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 18px;
  margin-bottom: 14px;
}
.m-detail-hero h2 { margin: 0 0 6px; font-size: 20px; }
.m-detail-rows { display: flex; flex-direction: column; gap: 10px; }
.m-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--m-card);
  border-radius: 12px;
  border: 1px solid var(--m-border);
  font-size: 14px;
}
.m-detail-row span:first-child { color: var(--m-dim); }

.m-tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: calc(var(--m-tab-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  background: rgba(7, 15, 31, 0.96);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--m-border);
  z-index: 30;
}
.m-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  text-decoration: none;
  color: var(--m-dim);
  font-size: 10px;
  font-weight: 600;
}
.m-tab.active { color: var(--m-accent); }
.m-tab svg { opacity: 0.85; }
.m-tab.active svg { opacity: 1; stroke: var(--m-accent); }

.m-desktop-link {
  position: fixed;
  left: 0; right: 0;
  bottom: calc(var(--m-tab-h) + var(--safe-b) + 4px);
  text-align: center;
  font-size: 11px;
  margin: 0;
  z-index: 25;
  pointer-events: none;
}
.m-desktop-link a {
  pointer-events: auto;
  color: var(--m-dim);
  text-decoration: underline;
}

/* Login */
body.m-login {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  background: radial-gradient(ellipse at top, #132a5c, var(--m-bg) 60%);
}
.m-login-card {
  width: 100%;
  max-width: 380px;
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: 20px;
  padding: 28px 22px;
  backdrop-filter: blur(8px);
}
.m-login-card h1 { margin: 0 0 4px; font-size: 22px; }
.m-login-card .m-sub { color: var(--m-dim); font-size: 14px; margin-bottom: 20px; }
.m-field { margin-bottom: 14px; }
.m-field label { display: block; font-size: 12px; color: var(--m-dim); margin-bottom: 6px; font-weight: 600; }
.m-field input {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--m-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--m-text);
  font-size: 16px;
}
.m-alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
}
.m-form-card {
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 14px;
  margin-bottom: 14px;
}
.m-field { margin-bottom: 12px; }
.m-field label {
  display: block;
  font-size: 12px;
  color: var(--m-dim);
  margin-bottom: 6px;
  font-weight: 600;
}
.m-field input,
.m-field select,
.m-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--m-border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--m-text);
  font-size: 16px;
}
.m-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.m-item-card {
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 14px;
  margin-bottom: 10px;
}
.m-item-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.m-item-remove {
  background: rgba(239, 68, 68, 0.15);
  border: none;
  color: var(--m-bad);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 20px;
  cursor: pointer;
}
.m-item-line-total {
  font-size: 13px;
  color: var(--m-accent);
  font-weight: 600;
  margin-top: 8px;
}
.m-totals {
  margin-top: 14px;
  padding: 14px;
  background: var(--m-card);
  border-radius: var(--m-radius);
  border: 1px solid var(--m-border);
}
.m-totals > div {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
}
.m-totals-grand {
  border-top: 1px solid var(--m-border);
  margin-top: 8px;
  padding-top: 10px !important;
  font-size: 16px !important;
  color: var(--m-accent);
}
.m-btn-block { width: 100%; margin-bottom: 12px; }

.m-search-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--m-border);
  background: var(--m-card);
  color: var(--m-text);
  font-size: 16px;
  margin-bottom: 14px;
}