*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #f8f8f6; --surface: #fff;
    --border: rgba(0,0,0,0.09); --border-strong: rgba(0,0,0,0.16);
    --text: #0b0b0b; --muted: #6b6a66; --hint: #999;
    --accent: #E8192C; --accent-bg: #fde8ea; --accent-text: #9c0f1c;
    --pth-dark: #1a1a19;
    --success: #0ca30c; --success-bg: #eaf3de;
    --warning: #ba7517; --warning-bg: #faeeda;
    --danger: #d03b3b; --danger-bg: #fcebeb;
    --radius: 8px;
}
body { font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }

/* Nav */
.app-nav { background: #0A0C14; border-bottom: 2px solid #E8192C; display: flex; align-items: center; padding: 0 24px; height: 52px; position: sticky; top: 0; z-index: 100; gap: 8px; }
.app-nav-title { font-family: 'Bebas Neue', sans-serif; font-size: 18px; letter-spacing: 0.05em; color: #fff; margin-right: 8px; flex-shrink: 0; }
.app-nav-title span { color: #E8192C; }
.nav-link { padding: 14px 14px; font-size: 13px; color: #A0A9C8; text-decoration: none; border-bottom: 2px solid transparent; display: inline-flex; align-items: center; white-space: nowrap; }
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; border-bottom-color: #E8192C; font-weight: 500; }
.nav-spacer { flex: 1; }
.nav-logout { font-size: 12px; color: #A0A9C8; text-decoration: none; }
.nav-logout:hover { color: #E8192C; }

/* Layout */
.page-body { max-width: 1000px; margin: 0 auto; padding: 24px; }

/* Cards */
.card { background: var(--surface); border: 0.5px solid var(--border); border-radius: 12px; }
.card + .card { margin-top: 20px; }
.card-header { padding: 14px 20px; border-bottom: 0.5px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; min-height: 52px; }
.card-title { font-size: 14px; font-weight: 500; }
.card-body { padding: 20px; }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.stat-value { font-size: 20px; font-weight: 500; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { text-align: left; padding: 9px 16px; font-size: 11px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 0.5px solid var(--border-strong); white-space: nowrap; }
tbody td { padding: 10px 16px; border-bottom: 0.5px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafaf9; }

/* Badges */
.badge { display: inline-block; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 4px; white-space: nowrap; }
.badge-sent    { background: var(--accent-bg); color: var(--accent-text); }
.badge-paid    { background: var(--success-bg); color: var(--success); }
.badge-draft   { background: #f1efe8; color: var(--muted); }
.badge-overdue { background: var(--danger-bg); color: var(--danger); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: var(--radius); font-size: 13px; font-weight: 500; cursor: pointer; border: 0.5px solid var(--border-strong); background: var(--surface); color: var(--text); font-family: inherit; text-decoration: none; line-height: 1.4; }
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #155ca0; }
.btn-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.btn-danger  { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full { grid-column: 1 / -1; }
.form-group.third { grid-column: span 1; }
label { font-size: 12px; font-weight: 500; color: var(--muted); }
input[type=text], input[type=email], input[type=number], input[type=date], input[type=password], select, textarea {
    padding: 8px 10px; border: 0.5px solid var(--border-strong); border-radius: var(--radius);
    font-size: 13px; font-family: inherit; color: var(--text); background: var(--surface); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(26,111,188,0.12); }
.form-help { font-size: 11px; color: var(--hint); }
.form-actions { display: flex; gap: 8px; align-items: center; margin-top: 8px; }

/* Modals */
.modal-bg { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 500; align-items: center; justify-content: center; }
.modal-bg.open { display: flex; }
.modal { background: var(--surface); border-radius: 12px; width: 540px; max-width: calc(100vw - 32px); max-height: calc(100vh - 48px); overflow-y: auto; }
.modal-header { padding: 18px 24px 14px; border-bottom: 0.5px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 15px; font-weight: 500; }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 14px 24px; border-top: 0.5px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px; }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-danger  { background: var(--danger-bg); color: var(--danger); }
.alert-info    { background: var(--accent-bg); color: var(--accent-text); }

/* Utilities */
.flex-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 12px; }
.text-right { text-align: right; }
.text-accent { color: var(--accent-text); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.mb-20 { margin-bottom: 20px; }
.section-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); padding-bottom: 10px; border-bottom: 0.5px solid var(--border); margin-bottom: 16px; }

/* Invoice print */
@media print {
    .app-nav, .no-print { display: none !important; }
    .page-body { padding: 0; max-width: 100%; }
}

/* Dates list */
.dates-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.date-tag { background: var(--accent-bg); color: var(--accent-text); font-size: 12px; padding: 3px 10px; border-radius: 4px; display: flex; align-items: center; gap: 6px; }
.date-tag button { background: none; border: none; cursor: pointer; color: var(--accent-text); font-size: 14px; padding: 0; line-height: 1; }
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