/**
 * NEXT Future EDV - PDF Approval System
 * Corporate Clarity Design
 * Version: 2.3.0
 */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{--bg:#f5f6fa;--surface:#fff;--surface-hover:#fafbfd;--border:#e8ebf0;--border-light:#f0f2f6;--text:#1a1d26;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent:#2563eb;--accent-soft:#eff4ff;--accent-hover:#1d4fd8;--success:#059669;--success-soft:#ecfdf5;--warning:#d97706;--warning-soft:#fffbeb;--danger:#dc2626;--danger-soft:#fef2f2;--sidebar-w:256px;--header-h:64px;--radius:10px;--radius-sm:6px;--shadow-sm:0 1px 2px rgba(0,0,0,.04);--shadow:0 1px 3px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.04);--shadow-lg:0 4px 24px rgba(0,0,0,.08);--font:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;transition:color .15s}a:hover{color:var(--accent-hover)}

/* ===== SIDEBAR ===== */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:200}
.sidebar-brand{padding:24px 20px 18px;border-bottom:1px solid var(--border-light)}
.sidebar-brand .logo-row{display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;letter-spacing:-.5px;flex-shrink:0}
.sidebar-brand h1{font-size:15px;font-weight:700;letter-spacing:-.3px}
.sidebar-brand .powered-by{font-size:10px;color:var(--text-muted);padding-left:46px;margin-top:-1px}
.sidebar-nav{flex:1;padding:14px 10px;overflow-y:auto}
.nav-section-label{font-size:10px;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:10px 12px 6px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s;margin-bottom:1px}
.nav-item:hover{background:var(--bg);color:var(--text)}
.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
.nav-badge{margin-left:auto;background:var(--accent);color:#fff;font-size:11px;font-weight:600;padding:1px 7px;border-radius:10px;line-height:1.5}
.nav-badge.warn{background:var(--warning)}
.sidebar-footer{padding:14px 16px;border-top:1px solid var(--border-light);display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;flex-shrink:0}
.sidebar-footer .user-name{font-size:13px;font-weight:600}
.sidebar-footer .user-role{font-size:11px;color:var(--text-muted)}
.layout-sidebar .main-area{margin-left:var(--sidebar-w);min-height:100vh}

/* ===== TOPBAR (sidebar layout) ===== */
.topbar{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:100}
.topbar h2{font-size:17px;font-weight:700;letter-spacing:-.3px}
.topbar-right{display:flex;gap:8px;align-items:center}

/* ===== PAGE HEADER (standalone) ===== */
.page-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.page-header-inner{max-width:1280px;margin:0 auto;padding:0 28px;height:var(--header-h);display:flex;align-items:center;justify-content:space-between}
.page-header .brand,.page-header .brand-row{display:flex;align-items:center;gap:10px}
.page-header .brand h1,.page-header .brand-title{font-size:15px;font-weight:700;letter-spacing:-.3px}
.page-header .subtitle,.page-header .brand-sub{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.header-nav,.page-header .nav-links{display:flex;gap:4px;align-items:center}
.header-link,.page-header .nav-link{padding:7px 14px;border-radius:7px;font-size:13px;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:all .15s}
.header-link:hover,.page-header .nav-link:hover{background:var(--bg);color:var(--text)}
.header-link.active,.page-header .nav-link.active{background:var(--accent);color:#fff}

/* ===== CONTENT ===== */
.content-area,.main-content-area,.page-main{padding:28px;max-width:1280px;animation:fadeIn .45s ease}
.main-content-area{margin:0 auto;width:100%}
.page-wrap,.page-wrapper{min-height:100vh;display:flex;flex-direction:column}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ===== CENTER LAYOUT ===== */
.center-layout{flex:1;display:flex;align-items:center;justify-content:center;padding:28px;min-height:calc(100vh - var(--header-h))}
.center-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);max-width:540px;width:100%;padding:40px}
.center-card.narrow{max-width:400px}
.center-card .card-title{font-size:22px;font-weight:700;letter-spacing:-.3px;margin-bottom:4px}
.center-card .card-subtitle{font-size:14px;color:var(--text-muted);margin-bottom:28px}

/* ===== STAT CARDS ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:box-shadow .2s,transform .2s}
.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.stat-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);font-weight:600}
.stat-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:15px}
.stat-number,.stat-value{font-size:28px;font-weight:700;font-family:var(--mono);letter-spacing:-.5px}
.stat-sub{font-size:12px;color:var(--text-muted);margin-top:4px;font-weight:500}
.stat-total .stat-icon{background:#f0f2f6}.stat-total .stat-number,.stat-total .stat-value{color:var(--text)}
.stat-pending .stat-icon{background:var(--warning-soft)}.stat-pending .stat-number,.stat-pending .stat-value{color:var(--warning)}
.stat-approved .stat-icon{background:var(--success-soft)}.stat-approved .stat-number,.stat-approved .stat-value{color:var(--success)}
.stat-rejected .stat-icon{background:var(--danger-soft)}.stat-rejected .stat-number,.stat-rejected .stat-value{color:var(--danger)}

/* ===== CARDS ===== */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-header{padding:16px 24px;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.card-header h3{font-size:15px;font-weight:700}
.card-body{padding:0}

/* ===== TOOLBAR / FILTERS ===== */
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pill-group,.filter-pills{display:flex;background:var(--bg);border-radius:8px;padding:3px;border:1px solid var(--border-light)}
.pill,.filter-pill{padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;border:none;background:none;font-family:var(--font);text-decoration:none;transition:all .15s;white-space:nowrap}
.pill:hover,.filter-pill:hover{color:var(--text)}
.pill.active,.filter-pill.active{background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.08);font-weight:600}
.search-box,.search-input-wrapper{position:relative;flex:1;min-width:180px}
.search-box input,.search-input-wrapper input{width:100%;padding:8px 12px 8px 34px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:var(--font);background:var(--surface);color:var(--text);transition:border .2s}
.search-box input::placeholder,.search-input-wrapper input::placeholder{color:var(--text-muted)}
.search-box input:focus,.search-input-wrapper input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.search-box .search-icon,.search-input-wrapper .search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;font-size:14px}

/* ===== TABS ===== */
.tab-nav{display:flex;gap:2px;border-bottom:2px solid var(--border-light);margin-bottom:20px}
.tab-link{padding:10px 18px;font-size:14px;font-weight:500;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-2px;text-decoration:none;transition:all .15s}
.tab-link:hover{color:var(--text)}
.tab-link.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.tab-badge{display:inline-flex;align-items:center;justify-content:center;background:var(--border-light);color:var(--text-secondary);padding:1px 7px;border-radius:10px;font-size:11px;font-weight:600;margin-left:5px}
.tab-link.active .tab-badge{background:var(--accent);color:#fff}

/* ===== TABLES ===== */
.table-wrap,.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse}
table th{padding:10px 20px;text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);font-weight:600;background:var(--bg);border-bottom:1px solid var(--border);white-space:nowrap}
table td{padding:14px 20px;font-size:14px;border-bottom:1px solid var(--border-light);vertical-align:middle}
table tr{transition:background .1s}
table tbody tr:hover{background:var(--surface-hover)}
table tr.highlight-mine{background:var(--accent-soft)}
table tr.highlight-mine:hover{background:#e0e9ff}
.file-name{font-weight:600;display:block}
.file-meta{font-size:12px;color:var(--text-muted);font-family:var(--mono);margin-top:1px}
.uploader-cell{display:flex;align-items:center;gap:10px}
.mini-avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--accent);flex-shrink:0}
.uploader-name{font-weight:500;font-size:13px}
.uploader-email{font-size:11px;color:var(--text-muted)}
.table-footer{padding:12px 20px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border-light);font-size:13px;color:var(--text-muted)}

/* ===== BADGES ===== */
.badge,.status-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.badge-pending,.status-pending{background:var(--warning-soft);color:var(--warning)}
.badge-approved,.status-approved{background:var(--success-soft);color:var(--success)}
.badge-rejected,.status-rejected{background:var(--danger-soft);color:var(--danger)}
.badge-dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.badge-pending .badge-dot{background:var(--warning)}
.badge-approved .badge-dot{background:var(--success)}
.badge-rejected .badge-dot{background:var(--danger)}
.badge-admin{background:var(--accent-soft);color:var(--accent)}
.badge-approver{background:var(--success-soft);color:var(--success)}
.badge-vorstand{background:#ede9fe;color:#7c3aed}
.badge-employee{background:#f1f5f9;color:#64748b}
.badge-admin .badge-dot{background:var(--accent)}
.badge-approver .badge-dot{background:var(--success)}
.badge-vorstand .badge-dot{background:#7c3aed}
.badge-employee .badge-dot{background:#64748b}

/* ===== FORMS ===== */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:5px}
.form-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:var(--font);color:var(--text);background:var(--surface);transition:border .2s,box-shadow .2s}
.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.form-input:read-only{background:var(--bg);color:var(--text-secondary);cursor:default}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}
.form-hint.success{color:var(--success);font-weight:500}

/* ===== FILE UPLOAD ===== */
.file-upload-zone,.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:44px 20px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg);position:relative}
.file-upload-zone:hover,.dropzone:hover{border-color:var(--accent);background:var(--accent-soft)}
.file-upload-zone.dragover,.dropzone.dragover{border-color:var(--accent);background:var(--accent-soft)}
.file-upload-zone input[type="file"],.dropzone input[type="file"]{position:absolute;width:100%;height:100%;top:0;left:0;opacity:0;cursor:pointer}
.upload-icon,.drop-icon{width:48px;height:48px;margin:0 auto 12px;background:var(--accent-soft);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--accent)}
.upload-icon svg,.drop-icon svg{width:24px;height:24px}
.upload-text,.file-upload-text,.drop-text{font-size:14px;font-weight:500;color:var(--text)}
.upload-hint,.file-upload-hint,.drop-hint{font-size:12px;color:var(--text-muted);margin-top:4px}
.selected-files{margin-top:12px;display:none}
.selected-files.show{display:block}
.selected-files-title{font-size:13px;font-weight:600;margin-bottom:6px}
.file-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg);border:1px solid var(--border-light);border-radius:6px;margin-bottom:4px;font-size:13px}
.file-item-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:10px}
.file-item-size{color:var(--text-muted);font-size:12px;font-family:var(--mono);margin-right:10px;flex-shrink:0}
.file-item-remove{color:var(--danger);cursor:pointer;font-size:18px;line-height:1;padding:0 4px}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;font-family:var(--font);text-decoration:none;white-space:nowrap;line-height:1.4}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn svg{width:14px;height:14px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 2px 8px rgba(37,99,235,.25)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover:not(:disabled){background:#047857;box-shadow:0 2px 8px rgba(5,150,105,.25)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover:not(:disabled){background:#b91c1c}
.btn-warning{background:var(--warning);color:#fff}
.btn-warning:hover:not(:disabled){background:#b45309}
.btn-ghost,.btn-outline{background:none;color:var(--text-secondary);border:1px solid var(--border)}
.btn-ghost:hover:not(:disabled),.btn-outline:hover:not(:disabled){background:var(--bg);color:var(--text)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-lg{padding:12px 24px;font-size:15px}
.btn-block{width:100%}
.btn-icon,.btn-icon-only{padding:6px 8px}
.actions-cell,.actions-inline,.actions-row{display:flex;gap:4px;align-items:center}
.actions-row{justify-content:center;flex-wrap:wrap;gap:10px}

/* ===== ALERTS ===== */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:14px;border-left:4px solid}
.alert-success{background:var(--success-soft);color:#065f46;border-color:var(--success)}
.alert-error{background:var(--danger-soft);color:#991b1b;border-color:var(--danger)}
.alert-warning{background:var(--warning-soft);color:#92400e;border-color:var(--warning)}
.alert-info{background:var(--accent-soft);color:#1e40af;border-color:var(--accent)}

/* ===== DOC INFO ===== */
.doc-info{background:var(--bg);border:1px solid var(--border-light);border-radius:8px;padding:4px 20px;margin-bottom:20px}
.doc-info-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border-light);font-size:13px}
.doc-info-row:last-child{border-bottom:none}
.doc-info-label{color:var(--text-muted);font-weight:500}
.doc-info-value{color:var(--text);font-weight:600;text-align:right}

/* ===== PDF PREVIEW ===== */
.pdf-preview-frame,.pdf-frame{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:24px}
.pdf-preview-frame iframe,.pdf-frame iframe{width:100%;height:560px;border:none;display:block}

/* ===== SPLIT VIEW (approval) ===== */
.split-view{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}
.approval-panel{position:sticky;top:calc(var(--header-h) + 20px)}
.approval-actions{padding:20px 24px;border-top:1px solid var(--border-light);display:flex;gap:10px}
.approval-actions .btn{flex:1;padding:12px;font-size:14px}
.timer-bar{padding:10px 24px;font-size:12px;color:var(--warning);display:flex;align-items:center;gap:6px;font-weight:500;background:var(--warning-soft);border-top:1px solid rgba(217,119,6,.1)}
.timer-bar svg{width:14px;height:14px;flex-shrink:0}

/* ===== PAGINATION ===== */
.pagination{display:flex;gap:3px}
.pagination a,.pagination span{padding:6px 11px;border-radius:6px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s}
.pagination a{color:var(--text-secondary);border:1px solid var(--border)}
.pagination a:hover{background:var(--bg)}
.pagination .current{background:var(--accent);color:#fff;border:1px solid var(--accent)}

/* ===== USER BAR ===== */
.user-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg);border:1px solid var(--border-light);border-radius:8px;margin-bottom:20px}
.user-bar .user-info{color:var(--text-secondary);font-size:14px}
.user-bar .user-info strong{color:var(--text)}

/* ===== EMPTY STATE ===== */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state h3{font-size:17px;color:var(--text-secondary);margin-bottom:6px}
.empty-state p{font-size:14px;margin-bottom:16px}

/* ===== MODAL ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:1000;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal-box{background:var(--surface);border-radius:var(--radius);max-width:420px;width:100%;padding:28px;box-shadow:var(--shadow-lg)}
.modal-box h3{font-size:17px;font-weight:700;margin-bottom:8px}
.modal-box p{font-size:14px;color:var(--text-secondary);margin-bottom:24px;line-height:1.6}
.modal-actions{display:flex;gap:10px;justify-content:flex-end}

/* ===== FOOTER ===== */
.page-footer{text-align:center;padding:24px;color:var(--text-muted);font-size:12px}
.page-footer a{color:var(--text-muted);font-weight:500}
.page-footer a:hover{color:var(--accent)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}.split-view{grid-template-columns:1fr}.approval-panel{position:static}}
@media(max-width:768px){.sidebar{display:none}.layout-sidebar .main-area{margin-left:0}.content-area,.main-content-area{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.page-header-inner{flex-wrap:wrap;height:auto;padding:12px 16px;gap:8px}.header-nav,.page-header .nav-links{flex-wrap:wrap}.center-card{padding:24px}.topbar{padding:0 16px}.topbar h2{font-size:15px}table th,table td{padding:10px 12px;font-size:12px}.user-bar{flex-direction:column;gap:8px;text-align:center}.doc-info-row{flex-direction:column;gap:2px}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}