*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f8f8f7;--surface:#ffffff;--border:#e5e4e0;--border2:#d0cfc9;
  --text:#1a1a1a;--muted:#6b6b6b;--hint:#999;
  --accent:#1a1a1a;--accent-fg:#fff;
  --success-bg:#eaf3de;--success:#3b6d11;
  --warning-bg:#faeeda;--warning:#854f0b;
  --danger-bg:#fcebeb;--danger:#a32d2d;
  --info-bg:#e6f1fb;--info:#185fa5;
  --radius:8px;--radius-lg:12px;
}
:root[data-theme="dark"]{
  --bg:#0f0f10;--surface:#1a1a1c;--border:#2a2a2e;--border2:#3a3a40;
  --text:#e8e8e8;--muted:#9a9a9a;--hint:#6b6b6b;
  --accent:#e8e8e8;--accent-fg:#1a1a1a;
  --success-bg:#1c2e0a;--success:#9bca5e;
  --warning-bg:#3a2614;--warning:#e0a55c;
  --danger-bg:#321414;--danger:#e07070;
  --info-bg:#0e1f33;--info:#6db0ed;
}
:root[data-theme="dark"] input[type="color"]{background:#2a2a2e}
:root[data-theme="dark"] .upload-zone:hover{background:#222}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px;color:var(--text);background:var(--bg);display:flex;height:100vh;overflow:hidden}

.modal.datev-dialog{width:1400px;max-width:96vw;max-height:94vh;overflow:auto}
.datev-dialog h4{margin:22px 0 10px}
.datev-help{margin:12px 0;font-size:13px;line-height:1.5;color:var(--muted)}
.datev-warning{padding:14px;border-radius:8px;background:var(--warning-bg);color:var(--warning);line-height:1.5}
.datev-table-wrap{overflow:auto;margin:14px 0;max-height:400px}
.datev-table-wrap table{min-width:1120px}
.datev-table-wrap input{min-width:90px;margin:0}
.datev-table-wrap td:nth-child(2) input{min-width:135px}
.datev-table-wrap td:nth-child(7) input{min-width:180px}
.datev-table-wrap td:last-child input{min-width:260px}
.datev-invalid{background:var(--danger-bg)}
.datev-confirm{display:flex;gap:10px;align-items:flex-start;margin:18px 0;line-height:1.5;color:var(--text)}
.datev-confirm input{width:auto;margin-top:4px}
#dv-status{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.6;margin:12px 0}
#dv-errors ul{padding-left:22px;line-height:1.5;margin:10px 0}
#dv-errors{max-height:260px;overflow:auto}
#dv-history{font-size:12px;color:var(--muted);margin-top:12px}

/* SIDEBAR */
.sidebar{width:200px;min-width:200px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 0}
.sidebar-logo{padding:8px 20px 20px;font-size:16px;font-weight:600;color:var(--text);letter-spacing:-0.3px;text-align:center}
.sidebar-logo img{width:auto;height:auto;max-width:100%;max-height:100px;object-fit:contain;margin:0 auto}
.sidebar-logo span{font-weight:300;color:var(--muted)}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;cursor:pointer;color:var(--muted);font-size:13px;border-left:2px solid transparent;transition:all 0.1s}
.nav-item:hover{color:var(--text);background:var(--bg)}
.nav-item.active{color:var(--text);background:var(--bg);border-left-color:var(--text);font-weight:500}
.nav-icon{width:16px;height:16px;flex-shrink:0}
.nav-section{font-size:10px;text-transform:uppercase;letter-spacing:0.8px;color:var(--hint);padding:16px 20px 6px;font-weight:600}

/* MAIN */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.topbar-title{font-size:15px;font-weight:500}
.topbar-actions{display:flex;gap:8px}
.content{flex:1;overflow-y:auto;padding:24px}

/* TYPOGRAPHY */
h2{font-size:17px;font-weight:600;margin-bottom:16px}
h3{font-size:14px;font-weight:600;margin-bottom:10px}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:3px;margin-top:10px}
label:first-child{margin-top:0}

/* INPUTS */
input,select,textarea{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;font-family:inherit;color:var(--text);background:var(--surface);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--border2)}
textarea{resize:vertical;min-height:60px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--border2);border-radius:var(--radius);background:var(--surface);cursor:pointer;font-size:13px;font-family:inherit;color:var(--text);white-space:nowrap}
.btn:hover{background:var(--bg)}
.btn-primary{background:var(--accent);color:var(--accent-fg);border-color:transparent}
.btn-primary:hover{opacity:0.88}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-danger{color:var(--danger);border-color:transparent}
.btn-danger:hover{background:var(--danger-bg)}
.btn-success{color:var(--success);border-color:var(--success)}
.btn-success:hover{background:var(--success-bg)}

/* CARDS & GRID */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px;margin-bottom:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}

/* METRICS */
.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px}
.metric-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:0.4px;margin-bottom:4px}
.metric-value{font-size:22px;font-weight:600;letter-spacing:-0.5px}

/* TABLE */
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:0.4px;color:var(--muted);padding:0 8px 8px;border-bottom:1px solid var(--border);font-weight:600}
td{padding:10px 8px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg)}

/* BADGES */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:500}
.badge-success{background:var(--success-bg);color:var(--success)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-info{background:var(--info-bg);color:var(--info)}
.badge-neutral{background:var(--bg);color:var(--muted);border:1px solid var(--border)}

/* EMPTY STATE */
.empty{text-align:center;padding:40px;color:var(--hint);font-size:13px}

/* FORM PANEL */
.form-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-bottom:16px}
.form-panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}

/* POSITIONS */
.pos-row{display:grid;grid-template-columns:minmax(100px,1fr) 70px 90px 80px 106px;gap:8px;align-items:start;margin-bottom:8px}
.position-actions{display:flex;gap:3px}.position-actions .btn{padding:6px 8px}
.position-actions .btn:disabled{opacity:.35;cursor:default}
.customer-edit-link{border:0;padding:0;background:none;color:inherit;font:inherit;font-weight:600;text-align:left;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.pos-row input{margin-bottom:0}
.pos-header{display:grid;grid-template-columns:minmax(100px,1fr) 70px 90px 80px 106px;gap:8px;margin-bottom:4px}
.pos-header span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:0.3px}

/* UPLOAD */
.upload-zone{border:2px dashed var(--border2);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;color:var(--muted);transition:all 0.15s}
.upload-zone:hover{border-color:var(--text);background:var(--bg)}

/* SPINNER */
.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin 0.7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* TABS (inner) */
.inner-tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:20px}
.inner-tab{padding:8px 16px;cursor:pointer;font-size:13px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.inner-tab.active{color:var(--text);border-bottom-color:var(--text);font-weight:500}

/* SECTION */
.section{display:none}.section.active{display:block}

/* RECURRING */
.recur-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.recur-info{flex:1}
.recur-title{font-weight:500;font-size:13px}
.recur-sub{font-size:12px;color:var(--muted);margin-top:2px}
.recur-actions{display:flex;gap:6px;align-items:center}

/* TOAST */
.toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:var(--accent-fg);padding:10px 18px;border-radius:var(--radius);font-size:13px;z-index:9999;opacity:0;transition:opacity 0.2s;pointer-events:none}
.toast.show{opacity:1}

/* MODAL */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:9998;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.25)}
.modal h3{margin-bottom:12px}

/* SETTINGS TABS */
.settings-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}

.settings-tab {
  padding: 12px 20px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  border: none;
  background: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.settings-tab:hover {
  color: var(--text);
}

.settings-tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
  font-weight: 500;
}

.settings-tab-content {
  display: none;
  animation: fadeInSettings 0.2s ease;
  max-height: calc(100vh - 300px);
  overflow-y: auto;
  padding-right: 10px;
}

.settings-tab-content.active {
  display: block;
}

@keyframes fadeInSettings {
  from {
    opacity: 0;
    transform: translateY(-2px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.note-row textarea{grid-column:1 / 5;margin-bottom:0;min-width:0;resize:vertical}
.catalog-picker{margin:8px 0 12px}
.catalog-entry{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border)}
.catalog-entry-description{white-space:pre-wrap;overflow-wrap:anywhere}
.sidebar{overflow-y:auto}
/* Small format previews; changing a layout never resets user colors. */
.template-examples{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0}
.template-examples small{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.template-examples strong{font-size:12px}
.template-mini{position:relative;width:86px;height:115px;background:#fff;border:1px solid #ccc;overflow:hidden;margin-bottom:8px}
.template-mini i{position:absolute;top:13px;right:10px;width:20px;height:15px;background:#8c8c96}
.template-mini b{position:absolute;top:44px;left:10px;width:62px;height:35px;background:repeating-linear-gradient(#d6d8dc 0 2px,transparent 2px 8px)}
.template-mini span{position:absolute;bottom:10px;left:10px;right:10px;border-top:2px solid #8c8c96}
.mini-band{border-top:20px solid #353343;border-bottom:14px solid #8c8c96}.mini-band i{top:-12px}.mini-band b{top:25px}
.mini-orbit:after{content:'';position:absolute;width:60px;height:60px;border:12px solid #9bdff4;border-radius:50%;bottom:-24px;left:-24px;opacity:.7}
.mini-wave:after{content:'';position:absolute;width:36px;height:160px;border-radius:50%;border-left:12px solid #9bdff4;right:-25px;top:-20px}
@media(max-width:800px){.template-examples{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Context help stays keyboard-accessible, including inside the export dialog. */
.datev-help-button {display:inline-flex;align-items:center;justify-content:center;width:25px;height:25px;min-width:25px;padding:0;margin:5px;border:1px solid #08778a;border-radius:50%;background:#eaf7f8;color:#075b6a;font-weight:800;cursor:pointer;vertical-align:middle}
.datev-help-button:focus-visible {outline:3px solid #e7a83a;outline-offset:2px}
.datev-help-popup {width:min(560px,90vw);max-height:85vh;overflow:auto;padding:28px;border:1px solid #08778a;border-radius:16px;background:var(--surface);color:var(--text);box-shadow:0 20px 70px #0005}
.datev-help-popup::backdrop {background:#0006}
.datev-help-popup p {line-height:1.6;margin:12px 0 22px}
.datev-help-popup small {display:block;line-height:1.5;margin-bottom:20px}
.datev-company-settings {margin-top:30px;padding-top:20px;border-top:1px solid var(--border,#ddd)}
.datev-company-settings>p {line-height:1.6;max-width:900px}
.datev-dialog input:not([type=checkbox]),.datev-dialog select,.datev-company-settings input,.datev-company-settings select {width:calc(100% - 40px)}
.datev-table-wrap td {vertical-align:top}

.datev-help-popup {margin:auto}

.position-vat {grid-column:2 / 5;font-size:12px;width:auto;justify-self:end}

.einvoice-dialog{margin:auto;border:1px solid #08778a;border-radius:16px;width:min(1000px,94vw);max-height:92vh;overflow:auto;padding:28px;background:var(--surface);color:var(--text)}
.einvoice-dialog::backdrop{background:#0006}.einvoice-dialog p{line-height:1.6}.einvoice-reader{width:min(900px,94vw)}
#sec-archiv .card{overflow:auto}#archive-status{white-space:pre-line}

.einvoice-dialog input[type=checkbox]{width:auto;display:inline-block;margin-right:8px}
.einvoice-dialog label:has(input[type=checkbox]){display:flex;align-items:center;gap:8px;margin-top:20px}

#smtp-settings input[type=checkbox], #ausgabe-form input[type=checkbox], #tab-recovery input[type=checkbox]{width:auto;display:inline-block;margin-right:8px}
#smtp-settings p,#ausgabe-form details p{line-height:1.6}
#dashboard-charts svg{width:100%;height:auto}

[hidden]{display:none!important}