* { box-sizing: border-box; }
:root { --bg:#f4f6f8; --panel:#fff; --text:#20242a; --muted:#667085; --border:#d9dee7; --primary:#1f4f8f; --primary-hover:#183f72; --secondary:#eef2f7; --danger:#a32929; --danger-hover:#812020; --shadow:0 14px 35px rgba(16,24,40,.08); }
body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); margin: 0; padding: 30px; font-size: 18px; color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }
h1 { text-align: center; margin: 0 0 28px; font-size: 34px; letter-spacing: -.02em; }
.center-page, .home-page { min-height: 100vh; display: flex; justify-content: center; align-items: center; background: linear-gradient(135deg, #eef2f7, #f9fafb); }
.form-wrapper, .home-card, .table-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.form-wrapper { padding: 44px; width: 100%; max-width: 580px; }
.home-card { width: min(760px, 100%); padding: 44px; }
.auth-card { max-width: 460px; }
.top-actions { display: flex; justify-content: flex-end; gap: 10px; margin-bottom: 24px; }
.menu-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.btn, button, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 10px 18px; border: 1px solid transparent; border-radius: 10px; cursor: pointer; font: 700 16px/1.2 'Segoe UI', Arial, sans-serif; text-decoration: none; transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease; }
.btn:hover, button:hover, .button:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(16,24,40,.10); }
.btn-primary, button { background: var(--primary); color: #fff; }
.btn-primary:hover, button:hover { background: var(--primary-hover); color: #fff; }
.btn-secondary { background: var(--secondary); border-color: var(--border); color: #344054; }
.btn-secondary:hover { background: #e3e8f0; color: #20242a; }
.btn-outline, .btn-ghost { background: #fff; border-color: var(--border); color: var(--primary); }
.btn-outline:hover, .btn-ghost:hover { border-color: var(--primary); background: #f5f8ff; }
.btn-danger, .danger { background: var(--danger); color: #fff; }
.btn-danger:hover, .danger:hover { background: var(--danger-hover); color: #fff; }
.btn-large { min-height: 64px; font-size: 21px; }
.btn-small { min-height: 34px; padding: 7px 12px; font-size: 14px; }
.btn-block { width: 100%; margin-top: 24px; }
label { display: block; margin-top: 18px; font-weight: 700; color: #344054; }
input[type="text"], input[type="number"], input[type="password"], textarea { width: 100%; padding: 13px 14px; margin-top: 8px; font-size: 18px; border-radius: 10px; border: 1px solid var(--border); background: #fff; color: var(--text); }
input:focus, textarea:focus { outline: 3px solid rgba(31,79,143,.14); border-color: var(--primary); }
.checkbox-label { display: flex; gap: 10px; align-items: center; font-weight: 600; }
.checkbox-label input, .song-select { width: 22px; height: 22px; accent-color: var(--primary); }
.message { text-align: center; margin: 12px 0; font-size: 17px; font-weight: 700; }
.success { color: #087443; } .error { color: var(--danger); }
.muted { color: var(--muted); } .center-text { text-align: center; }
.back { margin-top: 20px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 0 0 20px; }
.table-card { padding: 18px; overflow-x: auto; }
.search { margin: 0 0 18px; }
table { width: 100%; border-collapse: separate; border-spacing: 0; background: white; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
th, td { padding: 13px 15px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background-color: #2f3742; color: white; cursor: pointer; font-size: 15px; letter-spacing: .01em; }
tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background-color: #fafbfc; }
tbody tr:hover { background-color: #f1f5fb; }
.selected { background-color: #e8f1ff !important; }
.inline-form { display: inline-flex; margin-left: 8px; }
.badge { display: inline-flex; align-items: center; justify-content: center; min-width: 52px; padding: 5px 11px; border-radius: 999px; background: #eef2f7; color: #344054; font-size: 14px; font-weight: 800; }
.badge.bad { background: #fde2e1; color: #8a1f1b; }
.badge.good { background: #dcf4e7; color: #075e38; }
.badge.neutral { background: #eef2f7; color: #475467; }
.download-panel { position: sticky; top: 0; z-index: 2; display: flex; gap: 15px; align-items: end; flex-wrap: wrap; margin: 20px 0; padding: 18px; background: #ffffff; border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.download-panel[hidden] { display: none; }
.download-panel label { margin-top: 0; }
.download-panel input[type="text"] { min-width: 320px; }
.selected-counter { font-weight: 800; color: #075e38; padding: 10px 0; }
.selectable-table .song-row { cursor: pointer; }
.select-column { width: 90px; text-align: center; }
.empty-cell { text-align: center; padding: 24px; color: var(--muted); }
@media (max-width: 700px) { body { padding: 18px; } .menu-grid { grid-template-columns: 1fr; } .form-wrapper, .home-card { padding: 28px; } }
.table-input { min-width: 180px; margin-top: 0 !important; padding: 9px 10px !important; font-size: 16px !important; }
.table-input-small { min-width: 95px; }
.checkbox-cell { text-align: center; }
.checkbox-cell input[type="checkbox"] { width: 22px; height: 22px; accent-color: var(--primary); }
.actions-cell { white-space: nowrap; }
.actions-cell .btn + .btn { margin-left: 8px; }
select, input[type="date"] { width: 100%; padding: 13px 14px; margin-top: 8px; font-size: 18px; border-radius: 10px; border: 1px solid var(--border); background: #fff; color: var(--text); }
h2 { margin: 0 0 18px; font-size: 24px; }
.obshak-summary { max-width: 760px; margin: 0 auto 24px; text-align: center; }
.summary-label { color: var(--muted); font-weight: 700; margin-bottom: 8px; }
.summary-amount { font-size: 42px; font-weight: 900; letter-spacing: -.03em; }
.summary-amount.positive { color: #087443; }
.summary-amount.negative { color: var(--danger); }
.obshak-form { max-width: 760px; margin: 0 auto 24px; }
.radio-row { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 8px; }
.radio-row label { margin-top: 0; display: inline-flex; align-items: center; gap: 8px; }
.radio-row input { width: 20px; height: 20px; accent-color: var(--primary); }
.filters { display: grid; grid-template-columns: repeat(4, minmax(140px, 1fr)) auto; gap: 12px; align-items: end; margin-bottom: 18px; }
.filters label { margin-top: 0; }
@media (max-width: 900px) { .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); } .filter-actions { grid-column: 1 / -1; } }
@media (max-width: 560px) { .filters { grid-template-columns: 1fr; } }
.payment-form, .payment-window-form { max-width: 760px; margin: 0 auto 24px; }
.payment-form summary { list-style: none; width: fit-content; margin-bottom: 18px; }
.payment-form summary::-webkit-details-marker { display: none; }
.archive-filters { grid-template-columns: minmax(180px, 260px) auto; justify-content: start; }
.filter-actions { display: flex; gap: 8px; align-items: center; white-space: nowrap; }
.filter-actions .btn { flex: 0 0 auto; }
@media (max-width: 560px) { .filter-actions .btn { flex: 1 1 0; padding-left: 10px; padding-right: 10px; } }