/* ===== Suppliers page (self-contained) ===== */
:root {
    --sp-red: #c62828;
    --sp-red-soft: #fdecec;
    --sp-green: #1b7a43;
    --sp-green-soft: #e6f3ec;
    --sp-ink: #1f2933;
    --sp-muted: #6b7785;
    --sp-line: #e3e8ee;
    --sp-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}

.trade-page { min-width: 0; }

/* header */
.trade-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 22px; }
.trade-header h2 { margin: 0 0 4px; font-size: 28px; letter-spacing: -.3px; color: var(--sp-ink); }
.trade-header p { margin: 0; font-size: 14px; color: var(--sp-muted); }
.trade-primary { display: inline-flex; align-items: center; gap: 6px; background: var(--sp-green); color: #fff; border: 0; border-radius: 10px; padding: 12px 20px; font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit; white-space: nowrap; box-shadow: 0 2px 6px rgba(27, 122, 67, .35); transition: background .15s, transform .05s; }
.trade-primary:hover { background: #166a3a; }
.trade-primary:active { transform: translateY(1px); }

/* summary cards */
.trade-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 22px; }
.trade-card { position: relative; background: #fff; border: 1px solid var(--sp-line); border-radius: 14px; padding: 18px 20px 18px 24px; min-width: 0; box-shadow: var(--sp-shadow); overflow: hidden; }
.trade-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--sp-green); }
.trade-card:nth-child(2)::before { background: #3b6ea8; }
.trade-card-warn::before { background: var(--sp-red) !important; }
.trade-card p { margin: 0 0 8px; font-size: 12px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--sp-muted); }
.trade-card h4 { margin: 0; font-size: 28px; line-height: 1.1; color: var(--sp-ink); overflow-wrap: anywhere; }
.trade-card-warn h4 { color: var(--sp-red); }

/* panels */
.trade-panel { background: #fff; border: 1px solid var(--sp-line); border-radius: 14px; padding: 20px; margin-bottom: 22px; min-width: 0; box-shadow: var(--sp-shadow); }
.trade-panel[hidden] { display: none; }
.trade-panel-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.trade-panel-head h3, .trade-panel > h3 { margin: 0 0 3px; font-size: 18px; color: var(--sp-ink); }
.trade-panel-head p { margin: 0; font-size: 13px; color: var(--sp-muted); }

/* inputs */
.trade-input { border: 1px solid #d3dae2; border-radius: 10px; padding: 11px 14px; font-size: 14px; font-family: inherit; background: #fff; box-sizing: border-box; min-width: 0; color: var(--sp-ink); transition: border-color .15s, box-shadow .15s; }
.trade-input:focus { outline: 0; border-color: var(--sp-green); box-shadow: 0 0 0 3px rgba(27, 122, 67, .15); }
.trade-panel-head .trade-input { width: 280px; max-width: 100%; padding-left: 38px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7785' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E") no-repeat 12px 50% / 18px; }

/* add / edit form */
.trade-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
.trade-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.trade-field label { font-size: 13px; font-weight: 600; color: var(--sp-ink); }
.trade-field .trade-input { width: 100%; }
.trade-form-actions { grid-column: 1 / -1; display: flex; gap: 10px; }

/* table */
.trade-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--sp-line); border-radius: 12px; }
.trade-table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 14px; }
.trade-table th { text-align: left; font-size: 11px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--sp-muted); padding: 12px 16px; background: #f7f9fb; border-bottom: 1px solid var(--sp-line); white-space: nowrap; }
.trade-table td { padding: 14px 16px; border-bottom: 1px solid #eef1f5; vertical-align: middle; color: var(--sp-ink); }
.trade-table tbody tr:last-child td { border-bottom: 0; }
.trade-table tbody tr:hover { background: #f9fbfa; }
.trade-strong { font-weight: 700; }
.trade-empty { text-align: center; color: var(--sp-muted); padding: 36px 10px !important; }

.sp-person { display: flex; align-items: center; gap: 12px; }
.sp-avatar { flex: 0 0 auto; width: 38px; height: 38px; border-radius: 50%; background: var(--sp-green-soft); color: var(--sp-green); font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; }

.sp-badge { display: inline-block; padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.sp-badge.owe { background: var(--sp-red-soft); color: var(--sp-red); }
.sp-badge.adv { background: var(--sp-green-soft); color: var(--sp-green); }
.sp-badge.ok { background: #eef1f5; color: var(--sp-muted); }

/* buttons */
.trade-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.trade-btn { border: 1px solid #d3dae2; background: #fff; color: var(--sp-ink); border-radius: 8px; padding: 8px 14px; font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit; transition: background .15s, border-color .15s; }
.trade-btn:hover { background: #f4f6f8; }
.trade-btn:disabled { opacity: .6; }
.trade-actions .trade-btn-ledger { background: var(--sp-green); border-color: var(--sp-green); color: #fff; }
.trade-actions .trade-btn-ledger:hover { background: #166a3a; }
.trade-actions .trade-btn-edit { background: #fff; color: var(--sp-ink); border-color: #d3dae2; }
.trade-actions .trade-btn-delete { background: #fff; color: var(--sp-red); border-color: #f2c6c6; }
.trade-actions .trade-btn-delete:hover { background: var(--sp-red-soft); }
.trade-form-actions .trade-btn { padding: 11px 20px; font-size: 14px; }
.trade-form-actions .trade-btn-edit { background: var(--sp-green); border-color: var(--sp-green); color: #fff; }
.trade-form-actions .trade-btn-plain { background: #f4f6f8; }

.trade-message { min-height: 20px; margin: 0; font-size: 14px; font-weight: 600; color: var(--sp-green); }
.trade-message.error { color: var(--sp-red); }

/* ===== Supplier ledger popup ===== */
.sp-modal { position: fixed; inset: 0; background: rgba(16, 24, 40, .55); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 2000; }
.sp-modal[hidden] { display: none; }
.sp-modal-top { z-index: 2100; }
.sp-card { background: #fff; border-radius: 16px; padding: 22px; width: 100%; max-width: 660px; max-height: 92vh; overflow-y: auto; box-sizing: border-box; box-shadow: 0 20px 50px rgba(16, 24, 40, .3); }
.sp-small { max-width: 420px; }
.sp-card h3 { margin: 0; font-size: 20px; color: var(--sp-ink); }
.sp-card label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; }
.sp-card input { width: 100%; box-sizing: border-box; border: 1px solid #d3dae2; border-radius: 10px; padding: 12px 14px; font-size: 15px; font-family: inherit; -webkit-appearance: none; appearance: none; min-width: 0; max-width: 100%; background: #fff; }
.sp-card input:focus { outline: 0; border-color: var(--sp-green); box-shadow: 0 0 0 3px rgba(27, 122, 67, .15); }

.sp-btn { border: 1px solid #d3dae2; background: #fff; color: var(--sp-ink); border-radius: 10px; padding: 11px 18px; font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit; }
.sp-btn-light { background: #f4f6f8; }
.sp-btn-green { background: var(--sp-green); border-color: var(--sp-green); color: #fff; }
.sp-btn-red { background: #fff; border-color: #f2c6c6; color: var(--sp-red); }
.sp-btn:disabled { opacity: .6; }

.sp-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 16px; }
.sp-head p { margin: 4px 0 0; font-size: 13px; color: var(--sp-muted); }
.sp-head > div { min-width: 0; overflow-wrap: anywhere; }

.sp-balance { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 18px 20px; border-radius: 14px; background: #f3f5f8; margin-bottom: 14px; }
.sp-balance strong { font-size: 28px; }
.sp-balance span { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.sp-balance.owe { background: var(--sp-red-soft); }
.sp-balance.owe strong, .sp-balance.owe span { color: var(--sp-red); }
.sp-balance.adv { background: var(--sp-green-soft); }
.sp-balance.adv strong, .sp-balance.adv span { color: var(--sp-green); }

.sp-gg { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.sp-gg .sp-btn { padding: 14px 8px; font-size: 15px; }
.sp-gg .sp-btn-red { background: var(--sp-red); border-color: var(--sp-red); color: #fff; }

.sp-rows-head, .sp-row { display: grid; grid-template-columns: minmax(0, 1fr) 100px 100px; gap: 8px; }
.sp-rows-head { padding: 10px 12px; background: #f7f9fb; border: 1px solid var(--sp-line); border-radius: 10px 10px 0 0; font-size: 11px; font-weight: 700; letter-spacing: .6px; color: var(--sp-muted); text-transform: uppercase; }
.sp-rows-head span:nth-child(2), .sp-rows-head span:nth-child(3) { text-align: right; }
.sp-rows { border: 1px solid var(--sp-line); border-top: 0; border-radius: 0 0 10px 10px; }
.sp-row { padding: 12px; border-bottom: 1px solid #eef1f5; align-items: start; }
.sp-row:last-child { border-bottom: 0; }
.sp-row small { display: block; font-size: 12px; color: var(--sp-muted); }
.sp-row b { display: block; font-size: 14px; font-weight: 600; margin: 3px 0 5px; overflow-wrap: anywhere; }
.sp-tag { display: inline-block; background: #f1f3f5; border-radius: 6px; padding: 2px 8px; font-size: 11px; color: var(--sp-muted); }
.sp-owe-amt, .sp-paid-amt { text-align: right; font-weight: 700; font-size: 14px; }
.sp-owe-amt { color: var(--sp-red); }
.sp-paid-amt { color: var(--sp-green); }
.sp-row-btns { display: flex; gap: 6px; margin-top: 8px; }
.sp-row-btns button { border: 1px solid #d3dae2; background: #fff; border-radius: 6px; padding: 4px 12px; font-size: 12px; font-weight: 600; cursor: pointer; font-family: inherit; }
.sp-row-btns button.sp-del { color: var(--sp-red); border-color: #f2c6c6; }
.sp-none { padding: 28px 8px; text-align: center; color: var(--sp-muted); font-size: 14px; }

.sp-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }
.sp-error { min-height: 18px; margin: 10px 0 0; font-size: 13px; color: var(--sp-red); }
.sp-hint { margin: 10px 0 0; font-size: 12px; color: var(--sp-muted); }

/* ===== tablet / mobile ===== */
@media (max-width: 900px) {
    .trade-cards { grid-template-columns: 1fr; gap: 12px; }
    .trade-card h4 { font-size: 24px; }
}

@media (max-width: 700px) {
    .trade-header h2 { font-size: 24px; }
    .trade-primary { width: 100%; justify-content: center; }
    .trade-form-grid { grid-template-columns: 1fr; }
    .trade-panel { padding: 14px; }
    .trade-panel-head .trade-input { width: 100%; }

    /* table rows become cards */
    .trade-table-wrap { border: 0; overflow: visible; }
    .trade-table { min-width: 0; display: block; }
    .trade-table thead { display: none; }
    .trade-table tbody { display: block; }
    .trade-table tbody tr { display: block; border: 1px solid var(--sp-line); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; background: #fff; }
    .trade-table tbody tr:hover { background: #fff; }
    .trade-table td { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 7px 0; border: 0; }
    .trade-table td[data-label]::before { content: attr(data-label); font-size: 12px; font-weight: 600; color: var(--sp-muted); text-transform: uppercase; letter-spacing: .4px; }
    .trade-table td.trade-strong { padding-bottom: 10px; border-bottom: 1px solid #eef1f5; margin-bottom: 4px; }
    .trade-table td.trade-empty { display: block; }
    .trade-table td.trade-actions { padding-top: 12px; gap: 8px; }
    .trade-table td.trade-actions .trade-btn { flex: 1 1 0; padding: 10px 6px; text-align: center; }

    .sp-modal { padding: 0; align-items: flex-end; }
    .sp-card { border-radius: 16px 16px 0 0; max-height: 94vh; padding: 18px; }
    .sp-rows-head, .sp-row { grid-template-columns: minmax(0, 1fr) 80px 80px; }
}