:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #222638;
  --border: #2d3148;
  --blue: #4f7cff;
  --blue-dim: #2a3d7a;
  --green: #2ecc71;
  --green-dim: #1a4a30;
  --red: #e74c3c;
  --red-dim: #4a1a1a;
  --orange: #f39c12;
  --orange-dim: #3d2e0a;
  --text: #e8eaf6;
  --text-dim: #7986cb;
  --text-muted: #3d4570;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* -- AUTH / LANDING -- */
.auth-page { display: none; min-height: 100vh; align-items: center; justify-content: center; padding: 20px; }
.auth-page.active { display: flex; }
.auth-box { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 40px; width: 100%; max-width: 440px; }
.auth-logo { text-align: center; margin-bottom: 32px; }
.auth-logo-icon { width: 56px; height: 56px; background: var(--blue); border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 12px; }
.auth-logo h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.auth-logo p { font-size: 13px; color: var(--text-dim); margin-top: 4px; }
.auth-tabs { display: flex; background: var(--surface2); border-radius: 10px; padding: 4px; margin-bottom: 28px; }
.auth-tab { flex: 1; padding: 10px; text-align: center; font-size: 14px; font-weight: 500; cursor: pointer; border-radius: 8px; transition: all 0.2s; color: var(--text-dim); border: none; background: none; font-family: inherit; }
.auth-tab.active { background: var(--blue); color: white; }

/* -- FORMS -- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; font-family: 'DM Mono', monospace; }
input, select, textarea { width: 100%; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; color: var(--text); font-size: 14px; font-family: inherit; outline: none; transition: border-color 0.2s; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); }
input[type="color"] { height: 40px; padding: 4px; cursor: pointer; }
.btn { width: 100%; padding: 12px; border-radius: 10px; font-size: 14px; font-weight: 600; font-family: inherit; cursor: pointer; transition: all 0.2s; border: none; margin-top: 8px; }
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: #3a6aff; }
.error-msg { background: var(--red-dim); border: 1px solid var(--red); color: var(--red); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-top: 12px; display: none; }
.error-msg.show { display: block; }

/* -- APP SHELL -- */
.app-page { display: none; flex-direction: column; min-height: 100vh; }
.app-page.active { display: flex; }
header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 60px; position: sticky; top: 0; z-index: 100; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.logo-icon { width: 32px; height: 32px; background: var(--blue); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.header-right { display: flex; align-items: center; gap: 12px; }
.verein-badge { background: var(--blue-dim); color: var(--blue); padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; font-family: 'DM Mono', monospace; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.btn-sm { padding: 6px 14px; border-radius: 8px; font-size: 12px; font-weight: 500; font-family: inherit; cursor: pointer; transition: all 0.2s; border: 1px solid var(--border); background: var(--surface2); color: var(--text); }
.btn-sm:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm.danger { border-color: var(--red-dim); color: var(--red); }
.btn-sm.primary { background: var(--blue); color: white; border-color: var(--blue); }

/* -- NAV -- */
nav { background: var(--surface); border-bottom: 1px solid var(--border); padding: 0 24px; display: flex; gap: 4px; overflow-x: auto; }
.tab { padding: 12px 18px; font-size: 13px; font-weight: 500; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.2s; background: none; border-top: none; border-left: none; border-right: none; font-family: inherit; white-space: nowrap; }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.tab.admin-tab { color: var(--orange); }
.tab.admin-tab.active { color: var(--orange); border-bottom-color: var(--orange); }
main { padding: 24px; max-width: 1400px; margin: 0 auto; width: 100%; flex: 1; }
.page { display: none; }
.page.active { display: block; }

/* -- KPI CARDS -- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; transition: transform 0.15s; }
.kpi-card:hover { transform: translateY(-2px); }
.kpi-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-family: 'DM Mono', monospace; margin-bottom: 6px; }
.kpi-value { font-size: 26px; font-weight: 700; letter-spacing: -1px; }
.kpi-card.blue { background: var(--blue-dim); border-color: var(--blue); }
.kpi-card.blue .kpi-value { color: var(--blue); }
.kpi-card.green { background: var(--green-dim); border-color: var(--green); }
.kpi-card.green .kpi-value { color: var(--green); }
.kpi-card.red { background: var(--red-dim); border-color: var(--red); }
.kpi-card.red .kpi-value { color: var(--red); }
.kpi-card.orange { background: var(--orange-dim); border-color: var(--orange); }
.kpi-card.orange .kpi-value { color: var(--orange); }

/* -- SECTIONS / TABLES -- */
.section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.section-header { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.section-title { font-size: 13px; font-weight: 600; }
table { width: 100%; border-collapse: collapse; }
th { padding: 10px 18px; text-align: left; font-size: 10px; font-family: 'DM Mono', monospace; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; border-bottom: 1px solid var(--border); }
td { padding: 12px 18px; font-size: 13px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 500; font-family: 'DM Mono', monospace; }
.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-blue { background: var(--blue-dim); color: var(--blue); }
.badge-orange { background: var(--orange-dim); color: var(--orange); }
.loading { display: flex; align-items: center; justify-content: center; padding: 32px; color: var(--text-muted); font-family: 'DM Mono', monospace; font-size: 12px; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--blue); border-radius: 50%; animation: spin 0.8s linear infinite; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { padding: 40px; text-align: center; color: var(--text-muted); font-size: 13px; }
.live-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--green-dim); color: var(--green); padding: 3px 10px; border-radius: 999px; font-size: 11px; font-family: 'DM Mono', monospace; }
.refresh-info { font-size: 11px; color: var(--text-muted); font-family: 'DM Mono', monospace; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }
.color-dot { width: 14px; height: 14px; border-radius: 50%; display: inline-block; border: 1px solid rgba(255,255,255,0.2); }

/* -- DETAIL VIEW -- */
.detail-view { display: none; }
.detail-view.active { display: block; }
.back-btn { display: inline-flex; align-items: center; gap: 6px; color: var(--text-dim); font-size: 13px; cursor: pointer; margin-bottom: 20px; padding: 6px 0; border: none; background: none; font-family: inherit; }
.back-btn:hover { color: var(--blue); }
.detail-header { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.detail-title { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.detail-meta { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* -- KASSIERER BARS -- */
.kassierer-list { padding: 8px 0; }
.kassierer-row { padding: 14px 18px; border-bottom: 1px solid var(--border); display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
.kassierer-row:last-child { border-bottom: none; }
.kassierer-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.kassierer-meta { font-size: 12px; color: var(--text-dim); }
.progress-bar { height: 4px; background: var(--surface2); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--blue); border-radius: 2px; transition: width 0.6s ease; }
.kassierer-amount { font-size: 18px; font-weight: 700; color: var(--blue); text-align: right; font-family: 'DM Mono', monospace; }
.kassierer-txcount { font-size: 11px; color: var(--text-muted); text-align: right; }

/* -- MODALS -- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; }
.modal-title { font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }
.modal-btn { padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 500; font-family: inherit; cursor: pointer; border: none; }
.modal-btn-primary { background: var(--blue); color: white; }
.modal-btn-ghost { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.modal-btn-danger { background: var(--red); color: white; }

/* -- SUB TABS -- */
.sub-tab { padding: 8px 16px; font-size: 13px; font-weight: 500; color: var(--text-dim); cursor: pointer; border-radius: 8px; transition: all 0.2s; background: none; border: none; font-family: inherit; }
.sub-tab.active { background: var(--blue); color: white; }

/* -- RADIO OPTIONS -- */
.radio-option { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 13px; transition: all 0.15s; user-select: none; }
.radio-option:hover { border-color: var(--blue); }
.radio-option.selected { border-color: var(--blue); background: var(--blue-dim); }
.radio-dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--text-muted); flex-shrink: 0; transition: all 0.15s; position: relative; }
.radio-dot.selected { border-color: var(--blue); background: var(--blue); }
.radio-dot.selected::after { content: ''; position: absolute; inset: 3px; background: white; border-radius: 50%; }

/* -- ADMIN -- */
.admin-header { background: linear-gradient(135deg, var(--orange-dim), #2a1f05); border: 1px solid var(--orange); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
.admin-badge { background: var(--orange); color: white; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; font-family: 'DM Mono', monospace; }

/* -- LANDING -- */
.landing { display: none; min-height: 100vh; }
.landing.active { display: block; }
.landing-hero { background: linear-gradient(135deg, var(--surface), var(--surface2)); border-bottom: 1px solid var(--border); padding: 80px 24px; text-align: center; }
.landing-logo { width: 72px; height: 72px; background: var(--blue); border-radius: 20px; display: inline-flex; align-items: center; justify-content: center; font-size: 36px; margin-bottom: 24px; }
.landing-hero h1 { font-size: 48px; font-weight: 800; letter-spacing: -2px; margin-bottom: 16px; }
.landing-hero h1 span { color: var(--blue); }
.landing-hero p { font-size: 18px; color: var(--text-dim); max-width: 560px; margin: 0 auto 32px; }
.landing-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.landing-btn { padding: 14px 28px; border-radius: 12px; font-size: 15px; font-weight: 600; font-family: inherit; cursor: pointer; transition: all 0.2s; border: none; }
.landing-btn-primary { background: var(--blue); color: white; }
.landing-btn-primary:hover { background: #3a6aff; transform: translateY(-1px); }
.landing-btn-ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.landing-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; padding: 60px 24px; max-width: 1000px; margin: 0 auto; }
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.feature-icon { font-size: 32px; margin-bottom: 12px; }
.feature-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-text { font-size: 13px; color: var(--text-dim); line-height: 1.6; }
.landing-footer { text-align: center; padding: 24px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 12px; font-family: 'DM Mono', monospace; }

/* -- PFAND GRID -- */
.pfand-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; padding: 14px 18px; }
.pfand-item { background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
.pfand-item .label { font-size: 10px; color: var(--text-muted); font-family: 'DM Mono', monospace; margin-bottom: 4px; }
.pfand-item .value { font-size: 18px; font-weight: 700; }