/* ============================================================================
   PLATAFORMA DE E-BOOKS - Folha de estilos principal
   Cores vindas de assets/css/theme.php (variáveis --c-*)
   ========================================================================== */

/* ---------------------------------------------------------------- 1. Reset */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--c-link); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--c-link-hover); }
h1, h2, h3, h4, h5 { color: var(--c-heading); font-weight: 700; line-height: 1.22; margin: 0 0 .5em; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.15em; }
button { font-family: inherit; }
hr { border: 0; border-top: 1px solid var(--c-border); margin: 24px 0; }
small { font-size: 12.5px; }
strong { font-weight: 700; }
code, kbd { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .9em; background: var(--c-primary-tint); padding: 2px 6px; border-radius: 6px; }

:root {
    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --radius-xs: 7px;
    --radius-sm: 10px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-pill: 999px;
    --shadow-1: 0 1px 2px rgba(15, 23, 42, .06), 0 2px 6px rgba(15, 23, 42, .04);
    --shadow-2: 0 6px 18px rgba(15, 23, 42, .08), 0 2px 6px rgba(15, 23, 42, .04);
    --shadow-3: 0 18px 44px rgba(15, 23, 42, .14);
    --container: 1220px;
    --sidebar-w: 266px;
    --topbar-h: 68px;
    --ease: cubic-bezier(.22, .61, .36, 1);
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 3px solid color-mix(in srgb, var(--c-accent) 70%, #ffffff);
    outline-offset: 2px;
    border-radius: 4px;
}

.skip-link {
    position: absolute; left: -999px; top: 8px; z-index: 999;
    background: var(--c-primary); color: #fff; padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 700;
}
.skip-link:focus { left: 8px; color: #fff; }

/* --------------------------------------------------------------- 2. Ícones */
.icon {
    width: 1.15em;
    height: 1.15em;
    flex: 0 0 auto;
    vertical-align: -0.16em;
}
.icon-xs { width: 1em; height: 1em; }
.btn .icon { width: 17px; height: 17px; }

/* ------------------------------------------------------------ 2. Utilitários */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 860px; }
.stack > * + * { margin-top: 16px; }
.stack--lg > * + * { margin-top: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.flex-center { display: flex; align-items: center; gap: 10px; }
.flex-wrap { flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--c-text-muted); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-strong { font-weight: 700; color: var(--c-heading); }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: 16px; }
.hidden { display: none !important; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
    color: var(--c-primary); margin-bottom: 10px;
}

/* ---------------------------------------------------------------- 3. Botões */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    padding: 11px 20px; border-radius: var(--radius-sm); border: 1px solid transparent;
    font-size: 14px; font-weight: 700; line-height: 1; cursor: pointer;
    text-align: center; white-space: nowrap; text-decoration: none;
    transition: transform .16s var(--ease), background .16s ease, box-shadow .16s ease, border-color .16s ease, color .16s ease;
    background: var(--c-button); color: var(--c-button-text);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--c-button) 26%, transparent);
}
.btn:hover { background: var(--c-button-hover); color: var(--c-button-text); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn[disabled], .btn.is-disabled { opacity: .55; pointer-events: none; }
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; }

.btn--outline {
    background: transparent; color: var(--c-button); border-color: color-mix(in srgb, var(--c-button) 42%, transparent);
    box-shadow: none;
}
.btn--outline:hover { background: var(--c-primary-soft); color: var(--c-button); border-color: var(--c-button); }

.btn--ghost {
    background: transparent; color: var(--c-text); border-color: var(--c-border); box-shadow: none;
}
.btn--ghost:hover { background: var(--c-primary-tint); color: var(--c-primary); border-color: color-mix(in srgb, var(--c-primary) 35%, transparent); }

.btn--danger { background: var(--c-danger); color: #fff; box-shadow: 0 4px 14px rgba(220, 38, 38, .24); }
.btn--danger:hover { background: #b91c1c; color: #fff; }

.btn--success { background: var(--c-success); color: #fff; box-shadow: 0 4px 14px rgba(15, 157, 88, .24); }
.btn--success:hover { background: #0b7f47; color: #fff; }

.btn--light { background: #fff; color: var(--c-heading); box-shadow: var(--shadow-1); }
.btn--light:hover { background: #f7f8fc; color: var(--c-heading); }

.btn--sm { padding: 8px 14px; font-size: 12.5px; border-radius: var(--radius-xs); }
.btn--lg { padding: 15px 30px; font-size: 15.5px; border-radius: var(--radius); }
.btn--block { width: 100%; }
.btn--icon { padding: 10px; width: 40px; height: 40px; border-radius: var(--radius-sm); }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ----------------------------------------------------------- 4. Formulários */
.form { display: block; }
.form-grid { display: grid; gap: 18px; }
.form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid .span-2 { grid-column: span 2; }
.form-grid .span-full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field__label { font-size: 13px; font-weight: 700; color: var(--c-heading); }
.field__label .req { color: var(--c-danger); margin-left: 2px; }
.field__hint { font-size: 12px; color: var(--c-text-muted); }
.field__error { font-size: 12.5px; color: var(--c-danger); font-weight: 600; display: flex; align-items: center; gap: 6px; }

.input, .select, .textarea {
    width: 100%; padding: 12px 14px; font-size: 14px; font-family: inherit; color: var(--c-text);
    background: var(--c-card); border: 1.5px solid var(--c-border); border-radius: var(--radius-sm);
    transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
    appearance: none;
}
.input::placeholder, .textarea::placeholder { color: color-mix(in srgb, var(--c-text-muted) 78%, #ffffff); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--c-border-strong); }
.input:focus, .select:focus, .textarea:focus {
    outline: none; border-color: var(--c-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-primary) 14%, transparent);
}
.textarea { min-height: 130px; resize: vertical; line-height: 1.55; }
.select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237c8798' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}
.input--sm, .select--sm { padding: 9px 12px; font-size: 13px; }
.select--sm { padding-right: 34px; }
.has-error .input, .has-error .select, .has-error .textarea { border-color: var(--c-danger); }
.has-error .input:focus { box-shadow: 0 0 0 4px rgba(220, 38, 38, .12); }

.checkbox {
    display: flex; align-items: flex-start; gap: 10px; cursor: pointer;
    font-size: 13.5px; line-height: 1.5; color: var(--c-text);
}
.checkbox input {
    appearance: none; width: 20px; height: 20px; flex: 0 0 auto; margin-top: 1px;
    border: 1.5px solid var(--c-border-strong); border-radius: 6px; background: var(--c-card);
    cursor: pointer; transition: background .16s ease, border-color .16s ease;
    background-repeat: no-repeat; background-position: center;
}
.checkbox input:checked {
    background-color: var(--c-primary); border-color: var(--c-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
}
.checkbox a { font-weight: 600; }

.fieldset-legend { font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--c-text-muted); margin-bottom: 6px; }

/* ---------------------------------------------------------------- 5. Cards */
.card {
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius);
    box-shadow: var(--shadow-1);
}
.panel { background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-1); overflow: hidden; }
.panel__head {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 18px 22px; border-bottom: 1px solid var(--c-border); background: color-mix(in srgb, var(--c-bg) 55%, var(--c-card));
}
.panel__title { font-size: 15.5px; font-weight: 800; margin: 0; display: flex; align-items: center; gap: 10px; }
.panel__title svg { width: 18px; height: 18px; color: var(--c-primary); }
.panel__body { padding: 22px; }
.panel__body--flush { padding: 0; }
.panel__foot { padding: 14px 22px; border-top: 1px solid var(--c-border); background: color-mix(in srgb, var(--c-bg) 55%, var(--c-card)); }

/* --------------------------------------------------------------- 6. Badges */
.badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
    border-radius: var(--radius-pill); font-size: 11.5px; font-weight: 800;
    letter-spacing: .02em; background: var(--c-primary-soft); color: var(--c-primary);
    white-space: nowrap; line-height: 1.5;
}
.badge--success { background: var(--c-success-soft); color: #0b7f47; }
.badge--danger { background: var(--c-danger-soft); color: #b91c1c; }
.badge--warning { background: var(--c-warning-soft); color: #b45309; }
.badge--info { background: var(--c-info-soft); color: #0369a1; }
.badge--muted { background: color-mix(in srgb, var(--c-bg) 40%, #ffffff); color: var(--c-text-muted); }
.badge--accent { background: var(--c-accent-soft); color: #92400e; }
.badge--dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* --------------------------------------------------------------- 7. Alertas */
.alert {
    display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px;
    border-radius: var(--radius-sm); font-size: 13.5px; line-height: 1.55;
    border: 1px solid transparent; margin-bottom: 16px;
}
.alert svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 1px; }
.alert__body { flex: 1 1 auto; min-width: 0; }
.alert__title { font-weight: 800; display: block; margin-bottom: 2px; }
.alert--success { background: var(--c-success-soft); border-color: color-mix(in srgb, var(--c-success) 22%, #fff); color: #0b7f47; }
.alert--error { background: var(--c-danger-soft); border-color: color-mix(in srgb, var(--c-danger) 22%, #fff); color: #b91c1c; }
.alert--warning { background: var(--c-warning-soft); border-color: color-mix(in srgb, var(--c-warning) 25%, #fff); color: #b45309; }
.alert--info { background: var(--c-info-soft); border-color: color-mix(in srgb, var(--c-info) 22%, #fff); color: #0369a1; }
.alert-close { background: none; border: 0; color: inherit; cursor: pointer; opacity: .6; font-size: 18px; line-height: 1; padding: 0 2px; }
.alert-close:hover { opacity: 1; }

/* --------------------------------------------------------------- 8. Tabelas */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
.table th, .table td { padding: 13px 16px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--c-border); }
.table thead th {
    font-size: 11.5px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase;
    color: var(--c-text-muted); background: color-mix(in srgb, var(--c-bg) 60%, var(--c-card));
    white-space: nowrap; position: sticky; top: 0; z-index: 1;
}
.table tbody tr { transition: background .14s ease; }
.table tbody tr:hover { background: var(--c-primary-tint); }
.table tbody tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table .actions { text-align: right; white-space: nowrap; }
.table .actions .btn { margin-left: 4px; }
.table--compact th, .table--compact td { padding: 10px 12px; }

/* ------------------------------------------------------------ 9. Paginação */
.pagination { display: flex; justify-content: center; margin-top: 22px; }
.pagination__list { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.pagination__link {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px; padding: 0 10px; border-radius: var(--radius-xs);
    background: var(--c-card); border: 1px solid var(--c-border); color: var(--c-text);
    font-size: 13px; font-weight: 700; transition: all .16s ease;
}
.pagination__link:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-tint); }
.pagination__link.is-active { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-on-primary); }
.pagination__gap { display: inline-flex; align-items: center; justify-content: center; min-width: 30px; height: 38px; color: var(--c-text-muted); }
.pagination-info { font-size: 12.5px; color: var(--c-text-muted); margin-top: 10px; text-align: center; }

/* ---------------------------------------------------------- 10. Cabeçalho */
.site-header {
    position: sticky; top: 0; z-index: 60;
    background: color-mix(in srgb, var(--c-card) 92%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--c-border);
}
.site-header__inner {
    display: flex; align-items: center; gap: 20px; min-height: 76px; padding: 10px 0;
}
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand__logo { height: 40px; width: auto; max-width: 200px; object-fit: contain; }
.brand__mark {
    width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
    color: #fff; font-weight: 800; font-size: 17px; box-shadow: 0 6px 16px color-mix(in srgb, var(--c-primary) 34%, transparent);
}
.brand__name { font-size: 17.5px; font-weight: 800; color: var(--c-heading); letter-spacing: -.02em; line-height: 1.15; }
.brand__tag { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--c-text-muted); }

.search-form { flex: 1 1 auto; max-width: 520px; position: relative; }
.search-form .input { padding-left: 44px; border-radius: var(--radius-pill); background: color-mix(in srgb, var(--c-bg) 70%, var(--c-card)); }
.search-form__icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--c-text-muted); pointer-events: none; }
button.search-form__icon {
    border: 0; background: none; padding: 0; cursor: pointer; pointer-events: auto;
    display: grid; place-items: center; color: var(--c-text-muted); transition: color .16s ease;
}
button.search-form__icon:hover { color: var(--c-primary); }
button.search-form__icon svg { width: 18px; height: 18px; }

.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.icon-btn {
    position: relative; display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: var(--radius-sm); border: 1px solid var(--c-border);
    background: var(--c-card); color: var(--c-heading); cursor: pointer; transition: all .16s ease;
}
.icon-btn:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-tint); }
.icon-btn svg { width: 19px; height: 19px; }
.cart-badge {
    position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px;
    border-radius: var(--radius-pill); background: var(--c-accent); color: #3b2500;
    font-size: 11px; font-weight: 800; display: grid; place-items: center;
    box-shadow: 0 2px 8px rgba(15, 23, 42, .2);
}
.cart-badge.is-empty { display: none; }
.header-link { font-size: 13.5px; font-weight: 700; color: var(--c-heading); padding: 10px 8px; }
.header-link:hover { color: var(--c-primary); }
.nav-toggle { display: none; }

/* Menu de categorias */
.nav-cats { border-bottom: 1px solid var(--c-border); background: var(--c-card); }
.nav-cats__list {
    display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 10px 0;
    overflow-x: auto; scrollbar-width: none;
}
.nav-cats__list::-webkit-scrollbar { display: none; }
.chip {
    display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: var(--radius-pill);
    font-size: 13px; font-weight: 700; color: var(--c-text); background: transparent;
    border: 1px solid transparent; white-space: nowrap; transition: all .16s ease;
}
.chip:hover { background: var(--c-primary-soft); color: var(--c-primary); }
.chip.is-active { background: var(--c-primary); color: var(--c-on-primary); box-shadow: 0 4px 12px color-mix(in srgb, var(--c-primary) 28%, transparent); }
.chip__count { font-size: 11px; opacity: .7; font-weight: 700; }

/* ----------------------------------------------------------------- 11. Hero */
.hero {
    position: relative; overflow: hidden; border-radius: var(--radius-lg);
    background:
        radial-gradient(1200px 420px at 12% -10%, color-mix(in srgb, var(--c-primary) 42%, transparent), transparent 60%),
        radial-gradient(900px 380px at 92% 8%, color-mix(in srgb, var(--c-secondary) 34%, transparent), transparent 58%),
        linear-gradient(140deg, var(--c-primary-dark), var(--c-primary) 52%, color-mix(in srgb, var(--c-primary) 62%, var(--c-secondary)));
    color: #fff; padding: 52px 48px; margin: 26px 0 34px; isolation: isolate;
    box-shadow: 0 26px 60px -18px color-mix(in srgb, var(--c-primary) 55%, transparent);
}
.hero::after {
    content: ""; position: absolute; inset: 0; z-index: -1; opacity: .22;
    background-image: radial-gradient(rgba(255,255,255,.55) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: linear-gradient(160deg, #000 8%, transparent 62%);
}
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero__eyebrow {
    display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .26);
    font-size: 11.5px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; margin-bottom: 18px;
}
.hero__title { font-size: clamp(28px, 4vw, 44px); line-height: 1.08; color: #fff; margin: 0 0 16px; letter-spacing: -.03em; }
.hero__title em { font-style: normal; background: linear-gradient(100deg, #fff, color-mix(in srgb, var(--c-accent) 60%, #fff)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__text { font-size: 16px; line-height: 1.65; color: rgba(255, 255, 255, .86); max-width: 54ch; margin-bottom: 26px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn--light { color: var(--c-heading); }
.hero .btn--outline { color: #fff; border-color: rgba(255, 255, 255, .5); }
.hero .btn--outline:hover { background: rgba(255, 255, 255, .14); color: #fff; border-color: #fff; }
.hero__stats { display: flex; gap: 28px; margin-top: 30px; flex-wrap: wrap; }
.hero__stat strong { display: block; font-size: 24px; font-weight: 800; color: #fff; line-height: 1.1; }
.hero__stat span { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .74); font-weight: 700; }

.hero__art { position: relative; display: flex; justify-content: center; align-items: center; min-height: 300px; }
.hero__book {
    position: absolute; width: 168px; border-radius: 10px; overflow: hidden;
    box-shadow: 0 22px 44px rgba(8, 12, 26, .45); border: 1px solid rgba(255, 255, 255, .2);
    transition: transform .5s var(--ease);
}
.hero__book img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; }
.hero__book--1 { transform: rotate(-9deg) translate(-84px, 10px) scale(.9); z-index: 1; opacity: .92; }
.hero__book--2 { transform: rotate(7deg) translate(86px, 16px) scale(.88); z-index: 1; opacity: .92; }
.hero__book--3 { transform: rotate(-2deg) translateY(-6px) scale(1.04); z-index: 3; }
.hero:hover .hero__book--1 { transform: rotate(-13deg) translate(-96px, 4px) scale(.92); }
.hero:hover .hero__book--2 { transform: rotate(11deg) translate(98px, 10px) scale(.9); }
.hero:hover .hero__book--3 { transform: rotate(0) translateY(-14px) scale(1.07); }

.hero__glow { position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.35), transparent 62%); filter: blur(12px); z-index: 0; }

/* ------------------------------------------------------------ 12. Seções */
.section { padding: 34px 0; }
.section--tight { padding: 22px 0; }
.section--alt { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--c-primary) 3%, var(--c-bg)) 18%, transparent); }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; flex-wrap: wrap; }
.section__title { font-size: clamp(20px, 2.4vw, 27px); margin: 0; letter-spacing: -.02em; }
.section__subtitle { color: var(--c-text-muted); font-size: 14px; margin: 6px 0 0; max-width: 68ch; }
.section__link { font-size: 13.5px; font-weight: 800; display: inline-flex; align-items: center; gap: 6px; }
.section__link svg { width: 16px; height: 16px; transition: transform .18s ease; }
.section__link:hover svg { transform: translateX(3px); }

/* -------------------------------------------------------- 13. Cards de livro */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 22px; }
.book-grid--dense { grid-template-columns: repeat(auto-fill, minmax(178px, 1fr)); gap: 18px; }

.book-card {
    display: flex; flex-direction: column; background: var(--c-card);
    border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-1); transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s ease;
    position: relative; height: 100%;
}
.book-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-3); border-color: color-mix(in srgb, var(--c-primary) 30%, var(--c-border)); }
.book-card__media { position: relative; background: linear-gradient(160deg, var(--c-primary-tint), color-mix(in srgb, var(--c-primary) 10%, #fff)); overflow: hidden; }
.book-card__cover { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; transition: transform .5s var(--ease); }
.book-card:hover .book-card__cover { transform: scale(1.05); }
.book-card__flag {
    position: absolute; top: 10px; left: 10px; z-index: 2;
    background: var(--c-accent); color: #3a2500; font-size: 10.5px; font-weight: 800;
    letter-spacing: .07em; text-transform: uppercase; padding: 4px 9px; border-radius: 6px;
    box-shadow: 0 4px 10px rgba(15, 23, 42, .18);
}
.book-card__quick {
    position: absolute; inset: auto 10px 10px; z-index: 2; opacity: 0; transform: translateY(8px);
    transition: opacity .22s ease, transform .22s var(--ease);
}
.book-card:hover .book-card__quick, .book-card:focus-within .book-card__quick { opacity: 1; transform: translateY(0); }
.book-card__body { padding: 15px 15px 17px; display: flex; flex-direction: column; gap: 7px; flex: 1 1 auto; }
.book-card__cat { font-size: 10.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--c-primary); }
.book-card__title { font-size: 14.5px; font-weight: 700; line-height: 1.35; margin: 0; color: var(--c-heading); }
.book-card__title a { color: inherit; }
.book-card__title a:hover { color: var(--c-primary); }
.book-card__desc { font-size: 12.5px; color: var(--c-text-muted); line-height: 1.5; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.book-card__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 10px; }
.book-card__price { font-size: 17px; font-weight: 800; color: var(--c-heading); letter-spacing: -.02em; }
.book-card__price small { display: block; font-size: 10.5px; font-weight: 700; color: var(--c-text-muted); letter-spacing: 0; text-transform: uppercase; }

/* ---------------------------------------------------------- 14. Ferramentas */
.toolbar {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius);
    padding: 12px 16px; box-shadow: var(--shadow-1); margin-bottom: 22px;
}
.toolbar__group { display: flex; align-items: center; gap: 8px; }
.toolbar__group--end { margin-left: auto; }
.toolbar .select, .toolbar .input { min-width: 150px; }
.toolbar__count { font-size: 12.5px; color: var(--c-text-muted); font-weight: 600; }
.filters-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; align-items: end; }

.empty-state { text-align: center; padding: 56px 24px; color: var(--c-text-muted); }
.empty-state svg { width: 54px; height: 54px; margin: 0 auto 16px; opacity: .45; }
.empty-state h3 { font-size: 17px; margin-bottom: 6px; }
.empty-state p { margin-bottom: 18px; font-size: 14px; }

/* -------------------------------------------------------- 15. Página do livro */
.product { display: grid; grid-template-columns: 340px 1fr; gap: 44px; align-items: start; padding: 30px 0; }
.product__visual { position: sticky; top: calc(var(--topbar-h) + 20px); }
.product__cover {
    width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-3);
    aspect-ratio: 2 / 3; object-fit: cover; border: 1px solid var(--c-border);
}
.product__badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.product__title { font-size: clamp(24px, 3vw, 34px); margin: 0 0 12px; letter-spacing: -.025em; }
.product__lead { font-size: 15.5px; color: var(--c-text-muted); line-height: 1.7; margin-bottom: 22px; }
.product__price-box {
    display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
    background: linear-gradient(135deg, var(--c-primary-soft), var(--c-accent-soft));
    border: 1px solid color-mix(in srgb, var(--c-primary) 18%, var(--c-border));
    border-radius: var(--radius); padding: 20px 22px; margin-bottom: 22px;
}
.product__price { font-size: 32px; font-weight: 800; color: var(--c-heading); letter-spacing: -.03em; line-height: 1; }
.product__price small { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--c-text-muted); font-weight: 800; margin-bottom: 5px; }
.product__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.product__facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; margin: 26px 0; }
.fact { background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 14px 16px; }
.fact__label { font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase; font-weight: 800; color: var(--c-text-muted); margin-bottom: 4px; }
.fact__value { font-size: 14px; font-weight: 700; color: var(--c-heading); }
.prose { font-size: 15px; line-height: 1.75; color: var(--c-text); }
.prose h2 { font-size: 20px; margin-top: 30px; }
.prose h3 { font-size: 17px; margin-top: 24px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 7px; }
.prose p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------- 16. Carrinho / checkout */
.cart-layout { display: grid; grid-template-columns: 1fr 372px; gap: 26px; align-items: start; padding: 26px 0 40px; }
.cart-list { display: flex; flex-direction: column; gap: 12px; }
.cart-item {
    display: grid; grid-template-columns: 74px 1fr auto; gap: 16px; align-items: center;
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius);
    padding: 14px; box-shadow: var(--shadow-1);
}
.cart-item__cover { width: 74px; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 8px; border: 1px solid var(--c-border); }
.cart-item__title { font-size: 14.5px; font-weight: 700; margin: 0 0 4px; }
.cart-item__meta { font-size: 12px; color: var(--c-text-muted); }
.cart-item__price { font-size: 15px; font-weight: 800; color: var(--c-heading); text-align: right; }
.cart-summary { position: sticky; top: calc(var(--topbar-h) + 20px); }
.summary-row { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; padding: 7px 0; }
.summary-row--total { border-top: 1px solid var(--c-border); margin-top: 10px; padding-top: 14px; font-size: 18px; font-weight: 800; }
.summary-row--total span:last-child { color: var(--c-heading); }
.summary-note { font-size: 12px; color: var(--c-text-muted); display: flex; align-items: center; gap: 7px; margin-top: 10px; }
.summary-note svg { width: 15px; height: 15px; flex: 0 0 auto; }

.steps { display: flex; align-items: center; gap: 8px; margin-bottom: 26px; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 700; color: var(--c-text-muted); }
.step__num {
    width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
    background: color-mix(in srgb, var(--c-bg) 45%, #fff); color: var(--c-text-muted);
    font-size: 12px; font-weight: 800; border: 1.5px solid var(--c-border);
}
.step.is-active { color: var(--c-primary); }
.step.is-active .step__num { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-on-primary); }
.step.is-done .step__num { background: var(--c-success); border-color: var(--c-success); color: #fff; }
.step-sep { width: 24px; height: 2px; background: var(--c-border); border-radius: 2px; }

/* ------------------------------------------------------------------ 17. Auth */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth__brand {
    position: relative; overflow: hidden; padding: 48px; display: flex; flex-direction: column; justify-content: space-between;
    background:
        radial-gradient(700px 300px at 20% 8%, color-mix(in srgb, var(--c-secondary) 40%, transparent), transparent 62%),
        linear-gradient(150deg, var(--c-primary-dark), var(--c-primary) 60%, color-mix(in srgb, var(--c-primary) 55%, var(--c-secondary)));
    color: #fff;
}
.auth__brand::after {
    content: ""; position: absolute; inset: 0; opacity: .18;
    background-image: radial-gradient(rgba(255,255,255,.6) 1px, transparent 1px); background-size: 24px 24px;
    mask-image: linear-gradient(200deg, #000, transparent 70%);
}
.auth__brand-inner { position: relative; z-index: 2; }
.auth__quote { font-size: clamp(22px, 2.6vw, 32px); line-height: 1.25; font-weight: 800; color: #fff; letter-spacing: -.02em; margin: 0 0 16px; max-width: 22ch; }
.auth__brand p { color: rgba(255,255,255,.82); max-width: 40ch; }
.auth__perks { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 12px; }
.auth__perks li { display: flex; align-items: flex-start; gap: 11px; font-size: 13.5px; color: rgba(255,255,255,.9); }
.auth__perks svg { width: 19px; height: 19px; flex: 0 0 auto; margin-top: 1px; color: color-mix(in srgb, var(--c-accent) 75%, #fff); }
.auth__form-side {
    display: flex; align-items: center; justify-content: center; padding: 44px 24px; background: var(--c-card);
}
.auth__box { width: 100%; max-width: 470px; }
.auth__box--wide { max-width: 720px; }
.auth__title { font-size: 26px; margin-bottom: 8px; letter-spacing: -.02em; }
.auth__sub { color: var(--c-text-muted); font-size: 14px; margin-bottom: 26px; }
.auth__foot { margin-top: 22px; font-size: 13.5px; color: var(--c-text-muted); text-align: center; }
.auth__foot a { font-weight: 700; }
.auth__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- 18. Rodapé */
.footer { background: var(--c-footer); color: var(--c-footer-text); margin-top: 56px; }
.footer a { color: var(--c-footer-text); opacity: .82; }
.footer a:hover { opacity: 1; color: #fff; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; padding: 52px 0 36px; }
.footer__brand { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__tag { color: color-mix(in srgb, var(--c-footer-text) 62%, transparent); }
.footer__about { font-size: 13.5px; line-height: 1.7; color: var(--c-footer-muted); max-width: 34ch; }
.footer__col h4 { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; font-size: 13.5px; }
.footer__bottom {
    border-top: 1px solid color-mix(in srgb, var(--c-footer-text) 14%, transparent);
    padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    font-size: 12.5px; color: var(--c-footer-muted);
}
.footer__pay { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.footer__pay span { padding: 5px 10px; border-radius: 6px; background: color-mix(in srgb, var(--c-footer-text) 10%, transparent); font-weight: 700; }

/* ------------------------------------------------ 19. Escritório do afiliado */
.app-shell { display: flex; min-height: 100vh; background: var(--c-bg); }
.sidebar {
    position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w); z-index: 80;
    background: var(--c-sidebar); color: var(--c-sidebar-text);
    display: flex; flex-direction: column; transition: transform .26s var(--ease), width .26s var(--ease);
    box-shadow: 4px 0 24px rgba(15, 23, 42, .08);
}
.sidebar__brand {
    display: flex; align-items: center; gap: 11px; padding: 20px 20px; min-height: var(--topbar-h);
    border-bottom: 1px solid color-mix(in srgb, var(--c-sidebar-text) 10%, transparent);
}
.sidebar__brand .brand__name { color: #fff; font-size: 15.5px; }
.sidebar__brand .brand__tag { color: var(--c-sidebar-muted); }
.sidebar__logo { max-height: 34px; width: auto; max-width: 170px; object-fit: contain; }
.sidebar__nav { flex: 1 1 auto; overflow-y: auto; padding: 16px 12px; }
.sidebar__group { margin-bottom: 18px; }
.sidebar__group-label {
    font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase;
    color: var(--c-sidebar-muted); padding: 0 12px; margin-bottom: 7px;
}
.sidebar__link {
    display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: var(--radius-xs);
    color: var(--c-sidebar-text); font-size: 13.5px; font-weight: 600; margin-bottom: 2px;
    transition: background .16s ease, color .16s ease;
}
.sidebar__link svg { width: 18px; height: 18px; flex: 0 0 auto; opacity: .82; }
.sidebar__link:hover { background: var(--c-sidebar-alt); color: #fff; }
.sidebar__link.is-active {
    background: var(--c-sidebar-active); color: #fff; font-weight: 700;
    box-shadow: 0 6px 16px color-mix(in srgb, var(--c-sidebar-active) 40%, transparent);
}
.sidebar__link.is-active svg { opacity: 1; }
.sidebar__link--danger { color: color-mix(in srgb, #fca5a5 85%, var(--c-sidebar-text)); }
.sidebar__link--danger:hover { background: rgba(220, 38, 38, .18); color: #fecaca; }
.sidebar__footer { padding: 14px 12px; border-top: 1px solid color-mix(in srgb, var(--c-sidebar-text) 10%, transparent); }
.sidebar__user { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-xs); background: var(--c-sidebar-alt); }
.sidebar__user strong { display: block; font-size: 12.5px; color: #fff; line-height: 1.3; }
.sidebar__user small { font-size: 11px; color: var(--c-sidebar-muted); }

.app-main { flex: 1 1 auto; min-width: 0; margin-left: var(--sidebar-w); display: flex; flex-direction: column; transition: margin .26s var(--ease); }
.topbar {
    position: sticky; top: 0; z-index: 50; min-height: var(--topbar-h);
    display: flex; align-items: center; gap: 16px; padding: 10px 28px;
    background: color-mix(in srgb, var(--c-topbar) 92%, transparent); backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-border); color: var(--c-topbar-text);
}
.topbar__title { font-size: 15.5px; font-weight: 800; margin: 0; color: var(--c-heading); }
.topbar__crumb { font-size: 11.5px; color: var(--c-text-muted); font-weight: 600; }
.topbar__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.topbar__toggle { display: none; }
.app-content { padding: 26px 28px 46px; flex: 1 1 auto; }

.avatar {
    width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light)); color: #fff;
    font-size: 13px; font-weight: 800; flex: 0 0 auto; letter-spacing: .02em;
}
.avatar--sm { width: 30px; height: 30px; font-size: 11px; }
.avatar--lg { width: 56px; height: 56px; font-size: 18px; }

.user-menu { display: flex; align-items: center; gap: 10px; }
.user-menu strong { font-size: 13px; color: var(--c-heading); display: block; line-height: 1.2; }
.user-menu small { font-size: 11px; color: var(--c-text-muted); }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head__title { font-size: clamp(20px, 2.4vw, 26px); margin: 0 0 4px; letter-spacing: -.02em; }
.page-head__sub { color: var(--c-text-muted); font-size: 13.5px; margin: 0; }

/* Cards financeiros */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 16px; }
.stat-card {
    position: relative; overflow: hidden; background: var(--c-card); border: 1px solid var(--c-border);
    border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-1);
    transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.stat-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.stat-card__label { font-size: 11.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--c-text-muted); }
.stat-card__icon {
    width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex: 0 0 auto;
    background: var(--c-primary-soft); color: var(--c-primary);
}
.stat-card__icon svg { width: 19px; height: 19px; }
.stat-card__value { font-size: clamp(21px, 2.4vw, 27px); font-weight: 800; color: var(--c-heading); letter-spacing: -.03em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.stat-card__hint { font-size: 12px; color: var(--c-text-muted); margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.stat-card--primary { background: linear-gradient(150deg, var(--c-primary), var(--c-primary-dark)); border-color: transparent; color: #fff; }
.stat-card--primary .stat-card__label, .stat-card--primary .stat-card__hint { color: rgba(255,255,255,.78); }
.stat-card--primary .stat-card__value { color: #fff; }
.stat-card--primary .stat-card__icon { background: rgba(255,255,255,.18); color: #fff; }
.stat-card--success .stat-card__icon { background: var(--c-success-soft); color: #0b7f47; }
.stat-card--accent .stat-card__icon { background: var(--c-accent-soft); color: #b45309; }
.stat-card--info .stat-card__icon { background: var(--c-info-soft); color: #0369a1; }

/* Link de indicação */
.referral-box {
    background: linear-gradient(135deg, color-mix(in srgb, var(--c-primary) 92%, #000), var(--c-primary));
    border-radius: var(--radius); padding: 24px; color: #fff; box-shadow: var(--shadow-2);
}
.referral-box__title { font-size: 14px; font-weight: 800; margin-bottom: 4px; display: flex; align-items: center; gap: 9px; color: #fff; }
.referral-box__hint { font-size: 12.5px; color: rgba(255,255,255,.78); margin-bottom: 14px; }
.referral-box__row { display: flex; gap: 9px; flex-wrap: wrap; }
.referral-box__input {
    flex: 1 1 260px; min-width: 0; padding: 12px 14px; border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.13);
    color: #fff; font-size: 13px; font-family: ui-monospace, monospace; text-overflow: ellipsis;
}
.referral-box .btn--light { color: var(--c-heading); }
.referral-box .btn--outline { color: #fff; border-color: rgba(255,255,255,.45); }
.referral-box .btn--outline:hover { background: rgba(255,255,255,.16); color: #fff; }

/* ----------------------------------------------------------------- 20. Modal */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 200; background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(3px); display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-backdrop.is-open { display: flex; }
.modal {
    width: 100%; max-width: 520px; background: var(--c-card); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3); overflow: hidden; animation: modalIn .22s var(--ease);
}
.modal__head { padding: 20px 24px 0; }
.modal__title { font-size: 18px; margin: 0 0 6px; }
.modal__body { padding: 14px 24px 4px; color: var(--c-text-muted); font-size: 14px; line-height: 1.6; }
.modal__foot { padding: 18px 24px 22px; display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }

/* ----------------------------------------------------------------- 21. Toast */
.toast-wrap { position: fixed; right: 18px; bottom: 18px; z-index: 300; display: flex; flex-direction: column; gap: 10px; max-width: 360px; }
.toast {
    display: flex; align-items: flex-start; gap: 11px; padding: 13px 16px; border-radius: var(--radius-sm);
    background: #101828; color: #fff; font-size: 13.5px; box-shadow: var(--shadow-3);
    animation: toastIn .24s var(--ease);
}
.toast svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 1px; }
.toast--success { background: #0b7f47; }
.toast--error { background: #b91c1c; }
.toast--info { background: #1e3a8a; }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------------------------------------------------------- 22. Animações */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.float-slow { animation: floatSlow 7s ease-in-out infinite; }
@keyframes floatSlow { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ------------------------------------------------------------ 23. Responsivo */
@media (max-width: 1180px) {
    .hero { padding: 42px 32px; }
    .hero__grid { grid-template-columns: 1fr; gap: 28px; }
    .hero__art { min-height: 240px; }
    .product { grid-template-columns: 280px 1fr; gap: 30px; }
    .footer__top { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 1024px) {
    :root { --sidebar-w: 0px; }
    .sidebar { transform: translateX(-100%); width: 280px; }
    body.sidebar-open .sidebar { transform: translateX(0); }
    .app-main { margin-left: 0; }
    .topbar__toggle { display: inline-flex; }
    .sidebar-overlay {
        position: fixed; inset: 0; background: rgba(15, 23, 42, .5); z-index: 70; display: none; backdrop-filter: blur(2px);
    }
    body.sidebar-open .sidebar-overlay { display: block; }
    .cart-layout { grid-template-columns: 1fr; }
    .cart-summary { position: static; }
    .product { grid-template-columns: 1fr; }
    .product__visual { position: static; max-width: 300px; }
    .auth { grid-template-columns: 1fr; }
    .auth__brand { display: none; }
    .form-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
    body { font-size: 14.5px; }
    .container { padding: 0 16px; }
    .site-header__inner { flex-wrap: wrap; gap: 12px; padding: 10px 0; min-height: auto; }
    .search-form { order: 3; flex-basis: 100%; max-width: none; }
    .header-link { display: none; }
    .nav-toggle { display: inline-flex; }
    .hero { padding: 32px 22px; border-radius: var(--radius); }
    .hero__stats { gap: 20px; }
    .book-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
    .book-card__desc { display: none; }
    .book-card__price { font-size: 15px; }
    .app-content { padding: 18px 16px 40px; }
    .topbar { padding: 10px 16px; }
    .user-menu__text { display: none; }
    .form-grid--2, .form-grid--3 { grid-template-columns: 1fr; }
    .form-grid .span-2 { grid-column: span 1; }
    .footer__top { grid-template-columns: 1fr; padding: 34px 0 24px; gap: 24px; }
    .footer__bottom { flex-direction: column; align-items: flex-start; }
    .cart-item { grid-template-columns: 62px 1fr; row-gap: 8px; }
    .cart-item__cover { width: 62px; }
    .cart-item__price { grid-column: 1 / -1; text-align: left; }
    .section { padding: 24px 0; }
    .page-head { flex-direction: column; }
    .toolbar { padding: 10px 12px; }
    .toolbar .select, .toolbar .input { min-width: 0; flex: 1 1 130px; }
    .table { min-width: 560px; }
    .modal { max-width: 100%; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .stat-card { padding: 15px; }
    .stat-card__value { font-size: 19px; }
    .book-grid, .book-grid--dense { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .hero__actions .btn { width: 100%; }
    .auth__form-side { padding: 28px 16px; }
    .product__price { font-size: 26px; }
}

/* ---------------------------------------------------------- 24. Movimento reduzido */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
    .book-card:hover, .stat-card:hover, .btn:hover { transform: none; }
}

/* --------------------------------------------------------------- 25. Impressão */
@media print {
    .site-header, .sidebar, .topbar, .footer, .toolbar, .pagination, .btn { display: none !important; }
    .app-main { margin: 0; }
    body { background: #fff; }
    .panel, .card { box-shadow: none; border-color: #ccc; }
}

/* ============================================================================
   26. Componentes compartilhados (loja, escritório e painel)
   O painel carrega esta folha antes de admin.css, por isso as regras vivem aqui.
   ========================================================================== */

.detail-list { display: grid; gap: 0; margin: 0; }
.detail-list__row {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 14px;
    padding: 11px 0;
    border-bottom: 1px dashed var(--c-border);
    font-size: 13.5px;
}
.detail-list__row:last-child { border-bottom: 0; }
.detail-list__label { color: var(--c-text-muted); font-weight: 600; }
.detail-list__value { color: var(--c-heading); font-weight: 600; word-break: break-word; }

.info-callout {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--c-info-soft);
    color: #035b8a;
    font-size: 13px;
    line-height: 1.6;
    border: 1px solid color-mix(in srgb, var(--c-info) 20%, #fff);
}
.info-callout svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 1px; }

.money-strong { font-weight: 800; color: var(--c-heading); font-variant-numeric: tabular-nums; white-space: nowrap; }
.money-negative { color: var(--c-danger); font-weight: 700; }
.money-positive { color: var(--c-success); font-weight: 700; }

.data-card { display: flex; align-items: center; gap: 12px; min-width: 230px; }
.data-card__media {
    width: 44px; height: 62px; border-radius: 6px; object-fit: cover;
    border: 1px solid var(--c-border); background: var(--c-primary-tint); flex: 0 0 auto;
}
.data-card__media--square { width: 46px; height: 46px; border-radius: 50%; }
.data-card__title { font-size: 13.5px; font-weight: 700; color: var(--c-heading); line-height: 1.35; margin: 0; }
.data-card__meta { font-size: 11.5px; color: var(--c-text-muted); margin: 2px 0 0; }

.filters-bar {
    display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap;
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius);
    padding: 14px 16px; box-shadow: var(--shadow-1); margin-bottom: 18px;
}
.filters-bar .field { gap: 5px; flex: 1 1 160px; min-width: 140px; }
.filters-bar .field--search { flex: 1 1 260px; }
.filters-bar .field__label { font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--c-text-muted); }
.filters-bar__actions { display: flex; gap: 8px; margin-left: auto; }
.filters-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; align-items: end; }

.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 11px 0; border-bottom: 1px solid var(--c-border); font-size: 13px;
}
.list-plain li:last-child { border-bottom: 0; }
.list-plain__main { min-width: 0; }
.list-plain__title { font-weight: 700; color: var(--c-heading); display: block; line-height: 1.35; }
.list-plain__meta { font-size: 11.5px; color: var(--c-text-muted); }

.dash-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 20px; align-items: start; }
.dash-col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 22px; }

@media (max-width: 1180px) {
    .dash-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .detail-list__row { grid-template-columns: 1fr; gap: 2px; }
    .filters-bar__actions { margin-left: 0; width: 100%; }
    .filters-bar__actions .btn { flex: 1; }
}

/* Acao dentro do aviso flutuante (ex.: ir para o carrinho) */
.toast { align-items: center; gap: 12px; }
.toast__text { flex: 1 1 auto; min-width: 0; }
.toast__action {
    flex: 0 0 auto;
    background: rgba(255, 255, 255, .18);
    border: 1px solid rgba(255, 255, 255, .38);
    color: #fff;
    font-size: 12.5px;
    font-weight: 800;
    padding: 8px 14px;
    border-radius: 8px;
    white-space: nowrap;
    text-decoration: none;
}
.toast__action:hover { background: rgba(255, 255, 255, .3); color: #fff; }