/* === PAY.CSS ===
   assets/css/pay.css
   НАЗНАЧЕНИЕ: Компоненты платежной платформы
   СВЯЗИ: themes.css (переменные), main.css (базовые стили)
   РАЗМЕР: ~220 строк */

/* -- Header Bar -- */
.pay-header-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
}

.pay-header-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.pay-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    color: var(--text-primary);
    text-decoration: none;
    &:hover { text-decoration: none; }
}

.pay-gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pay-main {
    max-width: 900px;
    margin: 60px auto 0;
    padding: 10px 20px;
    display: block;
    min-height: auto;
}

/* Override stack-spa dashboard flex layout */
#app {
    display: block;
    min-height: auto;
}

/* -- Navigation -- */
.pay-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

.pay-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    &:hover { color: var(--gold); text-decoration: none; }
    &.active { color: var(--gold); }
}

/* -- Language Switcher -- */
.pay-lang-switcher {
    display: flex;
    gap: 2px;
}

.sf-lang-btn {
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    &:hover { background: var(--hover-bg); color: var(--text-primary); }
    &.active { background: var(--gold); color: #000; border-color: var(--gold); }
}

/* -- Theme Toggle -- */
.pay-theme-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), color var(--transition);
    &:hover { background: var(--hover-bg); color: var(--text-primary); }
}

.sf-icon-sun { display: none; }
.sf-icon-moon { display: inline; }
html.light-theme .sf-icon-sun { display: inline; }
html.light-theme .sf-icon-moon { display: none; }

/* -- Amount Banner -- */
.pay-amount-banner {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-align: center;
    padding: 20px;
    margin-bottom: 20px;
}

.pay-amount-banner .pay-amount-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
}

.pay-amount-banner .pay-amount-converted {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* -- Method Groups -- */
.pay-method-group {
    margin-bottom: 10px;
}

.pay-method-group.collapsed .pay-methods-grid {
    display: none;
}

.pay-method-group.collapsed .pay-group-arrow {
    transform: rotate(0deg);
}

.pay-method-group-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gold);
    padding: 8px 0;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 6px;
    &:hover { color: var(--text-primary); }
}

.pay-method-group:not(.collapsed) .pay-method-group-title {
    margin-bottom: 10px;
}

.pay-group-arrow {
    font-size: 0.7rem;
    display: inline-block;
    transition: transform 0.2s ease;
    transform: rotate(90deg);
}

.pay-group-count {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

.pay-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 10px;
}

/* -- Method Card -- */
.pay-method-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 10px;
    display: grid;
    gap: 6px;
    transition: border-color var(--transition), transform var(--transition);
    &:hover { border-color: var(--border-hover); transform: translateY(-1px); }
}

.pay-method-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
}

.pay-method-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Payment system badges */
.pay-ps-badge {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 2px 6px;
    border-radius: 3px;
    white-space: nowrap;
    flex-shrink: 0;
}
.pay-ps-visa { background: #1a1f71; color: #fff; }
.pay-ps-mc { background: #eb001b; color: #fff; }
.pay-ps-paypal { background: #003087; color: #fff; }
.pay-ps-binance { background: #f0b90b; color: #1e2026; }
.pay-ps-tron { background: #eb0029; color: #fff; }
.pay-ps-eth { background: #627eea; color: #fff; }
.pay-ps-fop { background: var(--gold-dim); color: var(--gold); border: 1px solid var(--gold); }

.pay-method-bank {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.pay-method-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.pay-method-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pay-method-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    word-break: break-all;
}

.pay-mono { font-family: var(--font-mono); }

.pay-fop-warning {
    background: var(--gold-dim);
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    font-size: 0.8rem;
    line-height: 1.4;
}

.pay-rate-info {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.pay-iban { font-size: 0.78rem; letter-spacing: 0.02em; }
.pay-crypto-addr { font-size: 0.72rem; }
.pay-qr-img { width: 100%; height: auto; border-radius: var(--radius-sm); }

/* -- Copy Button -- */
.pay-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border: 1px solid var(--gold);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--gold);
    font-size: 0.72rem;
    font-family: var(--font-body);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
    &:hover { background: var(--gold-dim); }
    &.copied { background: rgba(34, 197, 94, 0.2); border-color: var(--color-success); color: var(--color-success); }
}

/* -- QR Code -- */
.pay-qr {
    max-width: 150px;
    margin: 10px auto;
    & canvas, & img { border-radius: var(--radius-sm); }
}

/* -- Invoice -- */
.pay-invoice {
    max-width: 700px;
    margin: 0 auto;
}

.pay-invoice-header {
    margin-bottom: 16px;
}

.pay-invoice-items {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
    & th, & td { padding: 8px 10px; text-align: left; font-size: 0.85rem; }
    & th { border-bottom: 2px solid var(--border-color); color: var(--text-secondary); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; }
    & td { border-bottom: 1px solid var(--border-color); }
}

/* -- Currency -- */
.pay-currency {
    font-family: var(--font-mono);
    color: var(--gold);
    font-weight: 600;
}

/* -- Status Badges -- */
.pay-status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    &.pending { background: var(--gold-dim); color: var(--gold); }
    &.paid { background: rgba(34, 197, 94, 0.15); color: var(--color-success); }
    &.cancelled { background: rgba(239, 68, 68, 0.15); color: var(--color-danger); }
}

/* -- Admin Table -- */
.pay-admin-table {
    width: 100%;
    border-collapse: collapse;
    & th, & td { padding: 8px 10px; text-align: left; font-size: 0.85rem; border-bottom: 1px solid var(--border-color); }
    & th { font-weight: 600; color: var(--text-secondary); font-size: 0.75rem; text-transform: uppercase; }
    & tr:hover td { background: var(--hover-bg); }
}

/* -- Admin Form -- */
.pay-admin-form {
    display: grid;
    gap: 10px;
}

.pay-admin-form label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* -- Empty State -- */
.pay-empty {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* -- Loading -- */
.pay-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* -- Page Title -- */
.pay-page-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.pay-page-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* -- Admin Nav Tabs -- */
.pay-admin-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.pay-admin-tab {
    padding: 8px 14px;
    cursor: pointer;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    font-size: 0.85rem;
    font-family: var(--font-body);
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
    transition: color var(--transition), border-color var(--transition);
    &:hover { color: var(--text-primary); }
    &.active { color: var(--gold); border-bottom-color: var(--gold); }
}

/* -- Toast override -- */
.toastify { font-family: var(--font-body); font-size: 0.85rem; border-radius: var(--radius-sm) !important; }

/* -- Accessibility -- */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* -- Responsive -- */
@media (max-width: 768px) {
    .pay-methods-grid { grid-template-columns: 1fr; }
    .pay-method-row { flex-wrap: wrap; }
    .pay-method-value { font-size: 0.8rem; }
    .pay-copy-btn { font-size: 0.68rem; padding: 3px 6px; white-space: nowrap; }
    .pay-admin-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .pay-admin-table { font-size: 0.8rem; }
    .pay-admin-table th, .pay-admin-table td { padding: 6px 4px; }
    .pay-invoice-items { font-size: 0.8rem; }
    .pay-invoice-items th, .pay-invoice-items td { padding: 6px 4px; }
}

@media (max-width: 480px) {
    .pay-header-inner { padding: 8px 10px; }
    .pay-logo { font-size: 17px; }
    .sf-lang-btn { padding: 3px 7px; font-size: 0.75rem; }
    .pay-theme-btn { padding: 4px; }
    .pay-main { padding: 8px 10px; margin-top: 48px; }
    .pay-page-title { font-size: 1.1rem; }
    .pay-page-subtitle { font-size: 0.82rem; margin-bottom: 14px; }
    .pay-amount-banner { padding: 12px; }
    .pay-amount-value { font-size: 1.1rem; }
    .pay-method-group-title { font-size: 0.9rem; }
    .pay-method-card { padding: 8px; }
    .pay-method-name { font-size: 0.88rem; }
    .pay-method-value { font-size: 0.75rem; }
    .pay-iban { font-size: 0.7rem; }
    .pay-crypto-addr { font-size: 0.65rem; }
    .pay-qr { max-width: 120px; }
    .pay-fop-warning { font-size: 0.75rem; padding: 5px 8px; }
    .pay-method-row { gap: 4px; }
    .pay-copy-btn { font-size: 0.65rem; padding: 2px 5px; }
    .pay-nav { gap: 6px; }
}