/* Invoice generator (clearpano.com/invoice-generator-for-360-photographers). Uses the site's colours and type from css/styles.css. */

.inv-page { background: var(--color-surface); }
.inv-page [hidden] { display: none !important; }
.inv-main { padding: calc(var(--spacing-2xl) + 64px) 0 var(--spacing-3xl); }

.inv-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); border: 0; }

/* intro */
.inv-intro { max-width: 760px; margin: 0 auto var(--spacing-xl); text-align: center; }
.inv-kicker { color: var(--color-primary); font-size: var(--font-size-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--spacing-sm); }
.inv-intro h1 { font-size: clamp(1.75rem, 4.5vw, 2.75rem); line-height: 1.15; font-weight: 800; letter-spacing: -.02em; color: var(--color-text-primary); margin-bottom: var(--spacing-md); }
.inv-lede { font-size: var(--font-size-lg); color: var(--color-text-secondary); line-height: 1.6; margin-bottom: var(--spacing-lg); }
.inv-private { display: inline-flex; gap: var(--spacing-sm); align-items: flex-start; text-align: left; background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0;
    border-radius: var(--radius-lg); padding: .75rem 1rem; font-size: var(--font-size-sm); line-height: 1.5; max-width: 640px; }
.inv-private svg { flex: none; margin-top: 1px; }

/* layout: the form, with the total beside it on wide screens */
.inv-layout { display: grid; gap: var(--spacing-lg); align-items: start; }
@media (min-width: 1024px) {
    .inv-layout { grid-template-columns: minmax(0, 1fr) 320px; }
    .inv-summary { position: sticky; top: 88px; }
}

.inv-fields { display: grid; gap: var(--spacing-lg); min-width: 0; }
.inv-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--spacing-lg); box-shadow: var(--shadow-sm); }
.inv-card h2 { display: flex; align-items: center; gap: .6rem; font-size: var(--font-size-xl); font-weight: 700; color: var(--color-text-primary); margin-bottom: var(--spacing-md); }
.inv-step { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); font-size: var(--font-size-sm); font-weight: 700; }
.inv-help { color: var(--color-text-secondary); font-size: var(--font-size-sm); line-height: 1.55; margin: 0 0 var(--spacing-md); }
.inv-card .inv-help:last-child { margin: var(--spacing-md) 0 0; }
.inv-help a { color: var(--color-primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

.inv-grid { display: grid; gap: var(--spacing-md); }
@media (min-width: 640px) { .inv-grid { grid-template-columns: 1fr 1fr; } .inv-wide { grid-column: 1 / -1; } }

.inv-field { display: grid; gap: .35rem; min-width: 0; }
.inv-field > span { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text-primary); }
.inv-field em { font-style: normal; font-weight: 400; color: var(--color-text-light); }
.inv-field em.inv-req { color: var(--color-primary); font-size: var(--font-size-xs); }
.inv-page .form-input { min-height: 44px; padding: .6rem .75rem; font-size: 1rem; font-family: inherit; color: var(--color-text-primary); }
.inv-page textarea.form-input { resize: vertical; line-height: 1.45; }
.inv-page select.form-input { appearance: none; -webkit-appearance: none; padding-right: 2rem;
    background: var(--color-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='3'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right .75rem center; }
.inv-page .form-input.error { border-color: #DC2626; }

.inv-pair { display: flex; gap: .5rem; align-items: center; }
.inv-pair > * { min-width: 0; }
.inv-pair input[type="number"] { flex: 1 1 90px; }
.inv-pair input[type="text"] { flex: 1 1 90px; }
.inv-pair select { flex: 0 0 auto; width: auto; }
.inv-unit { color: var(--color-text-secondary); font-weight: 600; }

.btn-secondary { background: var(--color-white); color: var(--color-text-primary); border: 2px solid var(--color-border); cursor: pointer; }
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.inv-link { background: none; border: 0; padding: .25rem 0; color: var(--color-primary); font: inherit; font-size: var(--font-size-sm); font-weight: 600; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

.inv-logo { display: flex; align-items: center; gap: var(--spacing-md); flex-wrap: wrap; min-height: 44px; }
.inv-logo-btn { cursor: pointer; }
.inv-logo img { max-height: 44px; max-width: 140px; object-fit: contain; border-radius: var(--radius-sm); }

/* services */
.inv-items { display: grid; gap: var(--spacing-sm); }
.inv-item { border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: .75rem .9rem; transition: border-color var(--transition-fast), background var(--transition-fast); }
.inv-item.on { border-color: var(--color-primary); background: var(--color-primary-light); }
.inv-item-head { display: flex; align-items: center; gap: .65rem; }
.inv-item-head input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--color-primary); flex: none; cursor: pointer; }
.inv-item-name { flex: 1; min-width: 0; font-weight: 600; color: var(--color-text-primary); border: 0; background: transparent; font: inherit; font-weight: 600; padding: .3rem .35rem; border-radius: var(--radius-sm); }
.inv-item-name:focus { outline: 2px solid var(--color-primary); background: var(--color-white); }
.inv-item-amount { font-weight: 700; color: var(--color-text-primary); white-space: nowrap; font-variant-numeric: tabular-nums; }
.inv-item-body { display: none; margin-top: .65rem; gap: .6rem; }
.inv-item.on .inv-item-body { display: grid; }
@media (min-width: 640px) { .inv-item-body { grid-template-columns: 120px 170px 1fr; align-items: end; } .inv-item-body .inv-desc { grid-column: 1 / -1; } }
.inv-item-body .inv-field > span { font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-secondary); }
.inv-item-note { font-size: var(--font-size-xs); color: var(--color-text-secondary); align-self: center; }
.inv-item-remove { margin-left: auto; }
.inv-add { margin-top: var(--spacing-md); }

.inv-remember { display: flex; gap: .65rem; align-items: flex-start; font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.5; padding: 0 .25rem; cursor: pointer; }
.inv-remember input { width: 20px; height: 20px; accent-color: var(--color-primary); flex: none; margin-top: 1px; }

/* total */
.inv-summary-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--spacing-lg); box-shadow: var(--shadow-md); }
.inv-summary-card h2 { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: var(--spacing-md); }
.inv-totals { display: grid; gap: .5rem; margin: 0 0 var(--spacing-lg); }
.inv-totals > div { display: flex; justify-content: space-between; gap: 1rem; font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.inv-totals dd { margin: 0; font-variant-numeric: tabular-nums; color: var(--color-text-primary); font-weight: 600; }
.inv-totals .inv-grand { border-top: 1px solid var(--color-border); padding-top: .75rem; margin-top: .25rem; font-size: var(--font-size-lg); color: var(--color-text-primary); font-weight: 700; }
.inv-totals .inv-grand dd { font-size: var(--font-size-xl); font-weight: 800; }
.inv-download { width: 100%; gap: .5rem; cursor: pointer; }
.inv-download[disabled] { opacity: .7; cursor: progress; }
.inv-preview, .inv-reset { display: block; margin: .75rem auto 0; }
.inv-reset { color: var(--color-text-secondary); }
.inv-error { color: #B91C1C; background: #FEF2F2; border: 1px solid #FECACA; border-radius: var(--radius-md); padding: .6rem .75rem; font-size: var(--font-size-sm); line-height: 1.45; margin: 0 0 var(--spacing-md); }

/* questions and the app */
.inv-faq { max-width: 760px; margin: var(--spacing-3xl) auto 0; }
.inv-faq h2 { font-size: var(--font-size-2xl); font-weight: 800; margin-bottom: var(--spacing-md); }
.inv-faq h3 { font-size: var(--font-size-lg); font-weight: 700; margin: var(--spacing-lg) 0 .35rem; color: var(--color-text-primary); }
.inv-faq p { color: var(--color-text-secondary); line-height: 1.65; }
.inv-faq a { color: var(--color-primary); text-decoration: underline; }
.inv-cta { max-width: 760px; margin: var(--spacing-3xl) auto 0; background: #111827; color: #F9FAFB; border-radius: var(--radius-xl); padding: var(--spacing-xl) var(--spacing-lg); text-align: center; }
.inv-cta h2 { font-size: var(--font-size-2xl); font-weight: 800; line-height: 1.25; margin-bottom: var(--spacing-sm); color: #fff; }
.inv-cta p { color: #D1D5DB; line-height: 1.6; margin-bottom: var(--spacing-lg); }
.inv-cta .app-store-badge img { height: 54px; width: auto; }

/* mobile: the total and download button stay at the bottom of the screen */
.inv-bar { display: none; }
@media (max-width: 1023px) {
    .inv-bar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; align-items: center; justify-content: space-between; gap: 1rem;
        padding: .7rem 16px calc(.7rem + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97); border-top: 1px solid var(--color-border); box-shadow: 0 -4px 16px rgba(0,0,0,.06); }
    .inv-bar span { display: block; font-size: var(--font-size-xs); color: var(--color-text-secondary); }
    .inv-bar strong { font-size: var(--font-size-lg); font-variant-numeric: tabular-nums; }
    .inv-page .footer { padding-bottom: 88px; }
}
@media (max-width: 480px) {
    .inv-card, .inv-summary-card { padding: var(--spacing-md); }
}