:root {
  --bg: #05060a;
  --card: #12141a;
  --card-2: #1a1d26;
  --border: #262a35;
  --text: #e8eaef;
  --text-dim: #8b93a7;
  --accent: #22d3ee;
  --accent-2: #a855f7;
  --danger: #f87171;
  --ok: #4ade80;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
  padding-top: env(safe-area-inset-top);
}

.hidden { display: none !important; }

/* Login */
#login-view {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 340px;
  background: linear-gradient(160deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.logo-ring {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(34,211,238,0.35), transparent 70%);
  border: 2px solid transparent;
  background-clip: padding-box, border-box;
  background-image: linear-gradient(var(--card), var(--card)), linear-gradient(135deg, var(--accent), var(--accent-2));
  background-origin: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 700;
  color: transparent;
  -webkit-background-clip: text;
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; }

.login-card h1 {
  text-align: center;
  font-size: 20px;
  margin: 0 0 24px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin: 14px 0 6px;
}

input, select, button {
  width: 100%;
  font-size: 16px;
  font-family: inherit;
}

input, select {
  background: #0d0f14;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  appearance: none;
  -webkit-appearance: none;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.2s ease;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05060a;
  margin-top: 22px;
}

.btn-secondary {
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-danger {
  background: rgba(248,113,113,0.12);
  color: var(--danger);
  border: 1px solid rgba(248,113,113,0.3);
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
  min-height: 16px;
}

/* App shell */
#app-view {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 100px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.app-header h1 { font-size: 20px; margin: 0; }
.app-header .user-tag {
  font-size: 12px;
  color: var(--text-dim);
}

.icon-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 14px;
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05060a;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 15px;
  margin: 0 0 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cat-group {
  display: flex;
  gap: 8px;
}

.cat-option {
  flex: 1;
  text-align: center;
  padding: 10px 4px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d0f14;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.cat-option.selected {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(34,211,238,0.08);
}

.row-2 {
  display: flex;
  gap: 10px;
}
.row-2 > * { flex: 1; }

.entry-list { display: flex; flex-direction: column; gap: 10px; }

.entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.entry-main { display: flex; flex-direction: column; gap: 2px; }
.entry-ort { font-weight: 600; font-size: 14px; }
.entry-meta { font-size: 12px; color: var(--text-dim); }
.entry-betrag { font-weight: 700; font-size: 15px; }
.entry-actions { display: flex; gap: 6px; margin-left: 10px; }
.entry-actions button {
  width: auto;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  padding: 4px 6px;
}

.badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  margin-top: 4px;
  font-weight: 700;
  text-transform: uppercase;
}
.badge-selbst { background: rgba(248,113,113,0.15); color: var(--danger); }
.badge-vergütet { background: rgba(74,222,128,0.15); color: var(--ok); }
.badge-bezahlt { background: rgba(34,211,238,0.15); color: var(--accent); }

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.summary-box {
  background: #0d0f14;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.summary-box .label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; }
.summary-box .value { font-size: 18px; font-weight: 700; margin-top: 4px; }

.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.month-nav button {
  width: auto;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
}
.month-nav .month-label { font-weight: 700; }

.empty-state {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  padding: 24px 0;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-2);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 13px;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.toast.show { opacity: 1; }

.fab {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05060a;
  font-size: 28px;
  border: none;
  box-shadow: 0 10px 30px rgba(34,211,238,0.35);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: flex-end;
  z-index: 200;
}

.modal-sheet {
  width: 100%;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-radius: 20px 20px 0 0;
  padding: 20px 18px calc(20px + env(safe-area-inset-bottom));
  max-height: 88vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 14px;
  width: auto;
  padding: 6px;
}