@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root{
  --blue:#045EAE;--blue-light:#DCE8F5;--blue-pale:#F4F8FD;
  --red:#E3010F;--text:#1A2332;--text-muted:#6B7A90;
  --border:#E4EAF0;--white:#fff;--bg:#F0F4F8;--sw:220px
}

body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:13px;line-height:1.5;min-height:100vh}

/* ── LOGIN ── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#02407A,#045EAE 60%,#1272C4);flex-direction:column}
.login-card{background:#fff;border-radius:16px;padding:40px 44px;width:380px;box-shadow:0 24px 60px rgba(4,94,174,.25)}
.login-logo{margin-bottom:28px;text-align:center}
.login-logo img{height:44px}
.login-title{font-size:15px;font-weight:600;margin-bottom:6px}
.login-sub{font-size:12px;color:var(--text-muted);margin-bottom:28px}
.login-tabs{display:flex;margin-bottom:24px;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.login-tab{flex:1;padding:8px;font-size:12px;font-weight:500;border:none;background:#fff;cursor:pointer;color:var(--text-muted);transition:all .2s;font-family:inherit}
.login-tab.active{background:var(--blue);color:#fff}
.login-btn{width:100%;padding:12px;background:var(--blue);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;margin-top:4px;font-family:inherit;transition:opacity .2s}
.login-btn:hover{opacity:.9}
.login-hint{font-size:11px;color:var(--text-muted);margin-top:12px;text-align:center}
.login-error{background:#FFEBEE;color:var(--red);border-radius:8px;padding:10px 14px;font-size:12px;margin-bottom:16px}

/* ── FIELD ── */
.field{margin-bottom:16px}
.field label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.field input,.field select{width:100%;border:1.5px solid var(--border);border-radius:8px;padding:10px 12px;font-size:13px;font-family:inherit;color:var(--text);outline:none;transition:border-color .2s;background:#fff}
.field input:focus,.field select:focus{border-color:var(--blue)}
.field input[type=file]{padding:8px 12px;cursor:pointer}

/* ── SHELL ── */
.shell{display:flex;width:100%;min-height:100vh}

/* ── SIDEBAR ── */
.sidebar{width:var(--sw);background:var(--blue);color:#fff;display:flex;flex-direction:column;flex-shrink:0;min-height:100vh;position:fixed;top:0;left:0;bottom:0}
.sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.12)}
.sidebar-logo img{height:28px;filter:brightness(0) invert(1)}
.sb-sec{padding:16px 12px 8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.45)}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 18px;color:rgba(255,255,255,.75);font-size:13px;cursor:pointer;border-left:3px solid transparent;transition:all .15s;text-decoration:none}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:rgba(255,255,255,.15);color:#fff;border-left-color:#fff;font-weight:600}
.ic{font-size:15px;width:20px;text-align:center}
.sidebar-user{margin-top:auto;padding:14px 18px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;gap:10px}
.uav{width:32px;height:32px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.un{font-size:12px;font-weight:600;color:#fff}
.ur{font-size:10px;color:rgba(255,255,255,.5)}

/* ── MAIN ── */
.main{flex:1;margin-left:var(--sw);display:flex;flex-direction:column;min-height:100vh}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.tt{font-size:16px;font-weight:700}
.badge{background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:10px}
.content{flex:1;padding:24px 28px}

/* ── KPI CARDS ── */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi-card{background:#fff;border-radius:12px;padding:20px;border:1px solid var(--border)}
.kl{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:8px}
.kv{font-size:24px;font-weight:700;letter-spacing:-.5px}
.kv.red{color:var(--red)}.kv.blue{color:var(--blue)}.kv.amber{color:#D97706}
.kbar{margin-top:12px;height:4px;background:var(--blue-light);border-radius:2px;overflow:hidden}
.kbf{height:100%;background:var(--blue);border-radius:2px}

/* ── CARD ── */
.card{background:#fff;border-radius:12px;border:1px solid var(--border);overflow:hidden;margin-bottom:20px}
.ch{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.ct{font-size:13px;font-weight:700}
.ca{font-size:11px;color:var(--blue);font-weight:500;text-decoration:none}
.ca:hover{text-decoration:underline}

/* ── TABLE ── */
table{width:100%;border-collapse:collapse}
thead th{background:var(--blue);color:#fff;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:10px 16px;text-align:left}
tbody tr:nth-child(even){background:var(--blue-pale)}
tbody td{padding:10px 16px;font-size:12px;border-bottom:1px solid var(--border)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--blue-light)}

/* ── TAGS ── */
.tag{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px;text-transform:uppercase;letter-spacing:.04em}
.tag-rechnung{background:#E3F2FD;color:#1565C0}
.tag-gutschrift,.tg{background:#E8F5E9;color:#2E7D32}
.tag-ausgabe,.ta{background:#FFF3E0;color:#E65100}
.tag-evn{background:#F3E5F5;color:#6A1B9A}
.tag-offen,.to{background:#FFF8E1;color:#F57F17}
.tag-bezahlt{background:#E8F5E9;color:#2E7D32}
.tag-storniert{background:#FFEBEE;color:#C62828}
.tag-rechnung,.tr{background:#E3F2FD;color:#1565C0}

/* ── AMOUNTS ── */
.amount-pos{color:#059669;font-weight:600}
.amount-neg{color:var(--red);font-weight:600}

/* ── BUTTONS ── */
.btn-p{background:var(--blue);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:12px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;text-decoration:none;transition:opacity .15s;font-family:inherit}
.btn-p:hover{opacity:.9}
.btn-d{background:var(--blue-pale);color:var(--blue);border:1px solid var(--blue-light);border-radius:7px;padding:6px 14px;font-size:11px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:5px;text-decoration:none;white-space:nowrap;font-family:inherit}
.btn-d:hover{background:var(--blue-light)}

/* ── SECTION HEADER ── */
.sh{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}
.stitle{font-size:18px;font-weight:700}
.ssub{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ── FILTER BAR ── */
.fbar{display:flex;gap:10px;margin-bottom:16px;align-items:center;flex-wrap:wrap}
.fi{flex:1;min-width:200px;border:1.5px solid var(--border);border-radius:8px;padding:8px 12px;font-size:12px;font-family:inherit;outline:none}
.fi:focus{border-color:var(--blue)}
.fs{border:1.5px solid var(--border);border-radius:8px;padding:8px 12px;font-size:12px;font-family:inherit;background:#fff;cursor:pointer;outline:none}

/* ── DOWNLOAD ROW ── */
.download-row{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border);gap:12px}
.download-row:last-child{border-bottom:none}
.download-row:hover{background:var(--blue-pale)}
.download-info{display:flex;align-items:center;gap:12px;flex:1}
.download-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.download-icon.pdf{background:#FFEBEE}
.download-icon.xlsx{background:#E8F5E9}
.dn{font-size:12px;font-weight:600}
.dm{font-size:11px;color:var(--text-muted);margin-top:1px}

/* ── DM HERO ── */
.dm-hero{background:linear-gradient(135deg,var(--blue),#1272C4);border-radius:12px;padding:24px 28px;color:#fff;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}

/* ── EMPTY STATE ── */
.empty{text-align:center;padding:48px 20px;color:var(--text-muted)}
.empty-icon{font-size:40px;margin-bottom:12px}
.empty-text{font-size:13px}

/* ── RESPONSIVE ── */
@media(max-width:1024px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .main{margin-left:0}
  .content{padding:16px}
  .kpi-grid{grid-template-columns:1fr 1fr}
}

/* ── DELETE BUTTON ── */
.btn-del{background:none;border:none;cursor:pointer;color:#C62828;font-size:14px;padding:4px 6px;border-radius:6px;line-height:1}
.btn-del:hover{background:#FFEBEE}

/* ── K-TEL UPLOAD LINK in sidebar ── */