.billing-shell { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
.billing-header { max-width: 800px; margin-bottom: 30px; }
.billing-header h1 { margin-top: 12px; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.13; letter-spacing: -.045em; }
.billing-header > p:last-child { margin-top: 18px; max-width: 610px; color: var(--text-soft); }
.billing-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 36px; align-items: start; }
.billing-form { padding: 0 32px; }
.billing-section { padding: 30px 0; }
.billing-section + .billing-section { border-top: 1px solid var(--line); }
.billing-step { margin-bottom: 14px; font-size: 11px; font-weight: 700; letter-spacing: .13em; color: var(--accent); }
.billing-section h2, .invoice-summary h2 { margin-bottom: 18px; font-size: 25px; overflow-wrap: anywhere; }
.billing-description { color: var(--text-soft); margin-bottom: 22px; white-space: pre-line; overflow-wrap: anywhere; }
.billing-description a { color: var(--accent); text-decoration: underline; }
.invoice-facts { display: grid; gap: 16px; }
.invoice-facts div { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 18px; }
.invoice-facts dt { color: var(--muted); font-size: 13px; }
.invoice-facts dd { color: var(--text); font-size: 14px; overflow-wrap: anywhere; }
.billing-form .field input, .billing-form .field select, .billing-form .field textarea { min-width: 0; width: 100%; padding: 13px 15px; border: 1px solid var(--line-strong); border-radius: 9px; background: #06131b; color: var(--text); font: inherit; font-size: 14px; }
.billing-form .field textarea { resize: vertical; min-height: 95px; }
.billing-form .field select:focus-visible, .billing-form .field textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.billing-form .field small, .field-optional { color: var(--muted); font-size: 12px; font-weight: 400; }
.billing-form .field textarea::placeholder { color: #789297; }
.billing-form .button { min-height: 50px; font-size: 14px; text-align: center; }
.billing-aside { position: sticky; top: 110px; display: grid; gap: 30px; }
.invoice-summary { padding: 30px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: linear-gradient(145deg, rgba(14, 47, 58, .95), rgba(6, 24, 34, .96)); }
.invoice-summary h2 { margin-bottom: 8px; }
.invoice-summary > p:not(.billing-step):not(.invoice-amount) { color: var(--text-soft); font-size: 13px; }
.invoice-amount { margin: 26px 0 8px; font-size: clamp(26px, 3vw, 38px); line-height: 1.2; letter-spacing: -.045em; color: var(--text); font-weight: 700; overflow-wrap: anywhere; }
.invoice-summary .button { width: 100%; margin-top: 26px; font-size: 14px; }
.invoice-summary .button:disabled { color: var(--text-soft); background: rgba(85, 214, 200, .1); border: 1px solid var(--line-strong); cursor: not-allowed; }
.billing-hint { margin-top: 12px; color: var(--muted); font-size: 12px; }
.billing-help { padding-inline: 10px; }
.billing-help h2 { font-size: 23px; }
.billing-help p { margin: 14px 0 20px; color: var(--text-soft); font-size: 14px; }
.billing-owner { padding: 24px 10px 0; border-top: 1px solid var(--line); font-size: 13px; }
.billing-owner p { color: var(--text); }
.billing-owner span, .billing-owner a { display: block; margin-top: 8px; overflow-wrap: anywhere; }
.studio-label { color: var(--muted); font-size: 13px; }
.studio-login { max-width: 460px; }
[hidden] { display: none !important; }
.billing-history { margin-top: 48px; }
.billing-history h2 { font-size: 28px; margin-bottom: 20px; }
.invoice-list { display: grid; gap: 12px; margin-top: 20px; }
.invoice-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 20px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--surface); }
.invoice-list small { display: block; color: var(--muted); }
.studio-actions { display: grid; gap: 12px; }
.invoice-tag { display: inline-block; margin-top: 24px; padding: 6px 10px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--accent); font-size: 12px; }
@media (max-width: 800px) { .billing-layout { grid-template-columns: 1fr; gap: 28px; } .billing-aside { position: static; } .billing-form { padding-inline: 24px; } }
@media (max-width: 460px) { .billing-shell { width: calc(100% - 32px); } .billing-form { padding-inline: 20px; } .invoice-facts div { grid-template-columns: 1fr; gap: 4px; } .invoice-summary { padding: 24px; } .billing-main { padding-top: 96px; } }