/* ==========================================================================
   Arte Mental — Admin / Master backoffice
   Layout: sidebar lateral fixa + main content + topbar superior.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body.am-admin, body.am-master {
    font-family: var(--am-font-body, "Plus Jakarta Sans", system-ui, sans-serif);
    background: var(--am-bg);
    color: var(--am-ink);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
:focus-visible { outline: 3px solid var(--am-brand-tint); outline-offset: 2px; border-radius: 4px; }
.am-vh { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.am-skiplink {
    position: absolute; left: -9999px; top: 0;
    background: var(--am-brand); color: #fff; padding: .6rem 1rem;
    z-index: 100; border-radius: 0 0 8px 0; font-weight: 600;
}
.am-skiplink:focus { left: 0; }

/* ============================================================
   LAYOUT
   ============================================================ */
:root {
    --am-sidebar-w: 240px;
    --am-topbar-h: 60px;
}

body.am-admin {
    display: grid;
    grid-template-columns: var(--am-sidebar-w) 1fr;
    grid-template-rows: var(--am-topbar-h) 1fr;
    min-height: 100vh;
}

.am-sidebar {
    grid-row: 1 / 3;
    grid-column: 1;
    background: var(--am-bg-elev);
    border-right: 1px solid var(--am-line);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 30;
}

.am-topbar--admin {
    grid-row: 1; grid-column: 2;
    position: sticky; top: 0;
    background: rgba(248, 242, 236, .94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--am-line);
    padding: 0 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 20;
}

.am-topbar__title {
    color: var(--am-brand);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    flex: 1;
    margin: 0;
}

.am-topbar__user {
    color: var(--am-ink-soft);
    font-size: 0.9rem;
    font-weight: 500;
}

.am-sidebar-toggle {
    display: none;
    width: 36px; height: 36px;
    padding: 9px;
    border-radius: var(--am-radius-sm);
}
.am-sidebar-toggle span {
    display: block;
    height: 2px;
    background: var(--am-brand);
    margin: 3px 0;
    border-radius: 2px;
}

.am-admin-main {
    grid-row: 2; grid-column: 2;
    padding: 1.6rem 1.6rem 4rem;
    max-width: 100%;
}
.am-admin-main--solo {
    grid-column: 1 / -1;
    grid-row: 1 / 3;
    padding: 0;
    background: var(--am-bg);
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
}

/* ---- Sidebar -------------------------------------------------------- */
.am-sidebar__head {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--am-line);
}
.am-sidebar__logo {
    display: inline-flex; gap: .15rem;
    font-family: var(--am-font-display);
    font-weight: 800;
    font-size: 1.2rem;
    line-height: 1;
    color: var(--am-brand);
    letter-spacing: -0.02em;
}
.am-sidebar__logo .am-logo__art   { color: var(--am-brand); }
.am-sidebar__logo .am-logo__mental{ color: var(--am-brand-soft); }
.am-sidebar__tenant {
    margin-top: .5rem;
    font-size: .78rem;
    color: var(--am-muted);
    letter-spacing: 0.06em;
}

.am-sidebar__nav {
    flex: 1;
    padding: .8rem 0;
}
.am-sidebar__group { padding: .4rem .6rem .8rem; }
.am-sidebar__group-title {
    padding: .4rem .8rem .3rem;
    color: var(--am-muted);
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}
.am-sidebar__link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .5rem .8rem;
    border-radius: var(--am-radius-sm);
    color: var(--am-ink-soft);
    font-size: .9rem;
    font-weight: 500;
    transition: background var(--am-dur-fast) var(--am-ease), color var(--am-dur-fast) var(--am-ease);
}
.am-sidebar__link svg { color: var(--am-muted); flex-shrink: 0; }
.am-sidebar__link:hover {
    background: var(--am-brand-light);
    color: var(--am-brand);
}
.am-sidebar__link:hover svg { color: var(--am-brand); }
.am-sidebar__link.is-active {
    background: var(--am-brand-light);
    color: var(--am-brand);
    font-weight: 600;
}
.am-sidebar__link.is-active svg { color: var(--am-brand); }

.am-sidebar__foot {
    padding: .8rem 1rem;
    border-top: 1px solid var(--am-line);
    display: flex;
    gap: .6rem;
    flex-direction: column;
}
.am-sidebar__small {
    color: var(--am-muted);
    font-size: .82rem;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}
.am-sidebar__small:hover { color: var(--am-brand); }

/* ---- Master variant (sem sidebar — usa topbar) ---------------------- */
body.am-master {
    display: block;
}
body.am-master .am-topbar {
    background: var(--am-bg-elev);
    border-bottom: 1px solid var(--am-line);
    padding: 0.9rem 1.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    box-shadow: var(--am-shadow-sm);
}
.am-topbar__brand {
    display: flex; align-items: center; gap: .8rem;
    font-size: 1.05rem;
}
.am-topbar__brand strong { color: var(--am-brand); font-weight: 800; }
.am-topbar__brand strong span { color: var(--am-brand-soft); }
.am-topbar__chip {
    background: var(--am-brand-light);
    color: var(--am-brand);
    padding: 0.2rem 0.7rem;
    border-radius: var(--am-radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
}
.am-topbar__nav { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.am-topbar__nav a {
    color: var(--am-ink-soft);
    padding: 0.45rem 0.9rem;
    border-radius: var(--am-radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
}
.am-topbar__nav a:hover { background: var(--am-brand-light); color: var(--am-brand); }
.am-topbar__logout { color: var(--am-muted) !important; }
body.am-master .am-main { max-width: 1200px; margin: 0 auto; padding: 2rem 1.6rem 4rem; }
body.am-master .am-main > h1 { color: var(--am-brand); font-size: 1.9rem; margin-bottom: .5rem; }

/* ============================================================
   COMPONENTES
   ============================================================ */

h1, h2, h3, h4 {
    font-family: var(--am-font-display);
    color: var(--am-brand);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.am-page {
    max-width: 1240px;
    margin: 0 auto;
}
.am-page__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.6rem;
}
.am-page__title { color: var(--am-brand); font-size: 1.5rem; }
.am-page__intro { color: var(--am-muted); margin-top: .3rem; font-size: .95rem; }
.am-page__actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }

/* Cards */
.am-card {
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-md);
    padding: 1.4rem;
    box-shadow: var(--am-shadow-sm);
    margin-bottom: 1.4rem;
}
.am-card h2 { color: var(--am-brand); font-size: 1.1rem; margin-bottom: .6rem; }
.am-card p { color: var(--am-ink-soft); margin-bottom: .6rem; }
.am-card p:last-child { margin-bottom: 0; }
.am-card ul { padding-left: 1.2rem; color: var(--am-ink-soft); }
.am-card li + li { margin-top: .3rem; }

/* KPIs */
.am-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.am-kpi {
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-left: 4px solid var(--am-brand);
    border-radius: var(--am-radius-md);
    padding: 1rem 1.2rem;
    box-shadow: var(--am-shadow-sm);
}
.am-kpi--alert { border-left-color: #C7300A; }
.am-kpi__label { display: block; color: var(--am-muted); font-size: 0.78rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.am-kpi__valor { display: block; margin-top: .35rem; font-size: 1.7rem; font-weight: 800; color: var(--am-ink); line-height: 1; }
.am-kpi__nota { display: block; margin-top: .25rem; color: var(--am-muted); font-size: 0.8rem; }
.am-kpi__nota a { color: var(--am-brand); }

/* ---- Forms ---------------------------------------------------------- */
.am-form { display: flex; flex-direction: column; gap: 1rem; }
.am-field { display: flex; flex-direction: column; gap: .4rem; }
.am-field > label, .am-field__label, .am-form label > span {
    font-weight: 500;
    color: var(--am-ink-soft);
    font-size: .88rem;
}
.am-field input, .am-field textarea, .am-field select,
.am-form input, .am-form textarea, .am-form select {
    width: 100%;
    padding: .65rem .8rem;
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-sm);
    font: inherit;
    background: var(--am-bg-elev);
    color: var(--am-ink);
    transition: border-color var(--am-dur-fast) var(--am-ease), box-shadow var(--am-dur-fast) var(--am-ease);
}
.am-field input:focus, .am-field textarea:focus, .am-field select:focus,
.am-form input:focus, .am-form textarea:focus, .am-form select:focus {
    outline: none; border-color: var(--am-brand); box-shadow: 0 0 0 3px var(--am-brand-light);
}
.am-field textarea { min-height: 100px; resize: vertical; }
.am-field__help { color: var(--am-muted); font-size: .78rem; }

.am-form-grid {
    display: grid; gap: 1rem;
    grid-template-columns: 1fr 1fr;
}
.am-form-grid .am-field--full { grid-column: 1 / -1; }

/* Botões */
.am-btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .65rem 1.2rem;
    border-radius: var(--am-radius-pill);
    font-weight: 600;
    font-size: .92rem;
    border: 0;
    transition: background var(--am-dur-fast) var(--am-ease), color var(--am-dur-fast) var(--am-ease), transform var(--am-dur-fast) var(--am-ease);
}
.am-btn--brand { background: var(--am-brand); color: #fff; }
.am-btn--brand:hover { background: var(--am-brand-soft); transform: translateY(-1px); }
.am-btn--outline { background: transparent; color: var(--am-brand); border: 1.5px solid var(--am-brand); }
.am-btn--outline:hover { background: var(--am-brand-light); }
.am-btn--ghost { background: transparent; color: var(--am-muted); }
.am-btn--ghost:hover { color: var(--am-brand); }
.am-btn--sm { padding: .45rem .8rem; font-size: .82rem; }
.am-btn--danger { background: #C7300A; color: #fff; }
.am-btn--danger:hover { background: #A02607; }
.am-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* Alerts */
.am-alert {
    padding: .85rem 1rem;
    border-radius: var(--am-radius-sm);
    margin-bottom: 1.2rem;
    font-size: .94rem;
}
.am-alert--erro { background: #FDEBEE; color: #8B1226; border: 1px solid #F1B7C0; }
.am-alert--ok   { background: #E8F1E6; color: #2E5C20; border: 1px solid #BDD5B2; }
.am-alert--info { background: var(--am-brand-light); color: var(--am-brand); border: 1px solid var(--am-brand-tint); }

/* Badges (estado de página, etc.) */
.am-badge {
    display: inline-block;
    padding: .2rem .55rem;
    border-radius: var(--am-radius-pill);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.am-badge--rascunho   { background: #F6E6CC; color: #8C5A11; }
.am-badge--publicado  { background: #E8F1E6; color: #2E5C20; }
.am-badge--arquivada  { background: #ECECEC; color: #6B6B6B; }

/* Tables */
.am-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-md);
    overflow: hidden;
    font-size: .92rem;
}
.am-table th, .am-table td { padding: .8rem 1rem; text-align: left; border-bottom: 1px solid var(--am-line); }
.am-table th { background: var(--am-brand-light); color: var(--am-brand); font-weight: 700; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
.am-table tr:last-child td { border-bottom: 0; }
.am-table tr:hover td { background: rgba(247, 232, 237, 0.4); }
.am-table__actions { display: flex; gap: .4rem; justify-content: flex-end; }

/* ============================================================
   AUTH (já existia mas reusa as classes acima)
   ============================================================ */
.am-auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    width: 100%;
}
.am-auth__card {
    width: 100%; max-width: 420px;
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-lg);
    padding: 2.4rem;
    box-shadow: var(--am-shadow-md);
}
.am-auth__card h1 { color: var(--am-brand); font-size: 1.6rem; margin-bottom: .4rem; }
.am-auth__card h2 { color: var(--am-brand); font-size: 1.2rem; margin: 1rem 0 .4rem; }
.am-auth__intro { color: var(--am-muted); margin-bottom: 1.6rem; font-size: .94rem; }
.am-totp-qr { margin: 1.4rem 0; text-align: center; }
.am-totp-qr img { max-width: 220px; border: 1px solid var(--am-line); border-radius: var(--am-radius-md); padding: .5rem; background: #fff; }
.am-totp-qr code { display: inline-block; background: var(--am-brand-light); padding: .5rem .8rem; border-radius: var(--am-radius-sm); font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: .88rem; word-break: break-all; }

/* ============================================================
   CMS — editor de páginas
   ============================================================ */

.am-cms-tabs {
    display: flex;
    gap: .3rem;
    border-bottom: 1px solid var(--am-line);
    margin-bottom: 1.4rem;
    flex-wrap: wrap;
}
.am-cms-tab {
    padding: .65rem 1rem;
    color: var(--am-muted);
    font-weight: 600;
    font-size: .9rem;
    border-bottom: 2px solid transparent;
    transition: color var(--am-dur-fast) var(--am-ease), border-color var(--am-dur-fast) var(--am-ease);
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}
.am-cms-tab:hover { color: var(--am-brand); }
.am-cms-tab.is-active {
    color: var(--am-brand);
    border-bottom-color: var(--am-brand);
}

.am-editor {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1.6rem;
}
.am-editor__main {}
.am-editor__aside {
    position: sticky; top: calc(var(--am-topbar-h) + 1rem);
    align-self: flex-start;
}

.am-fieldset {
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-md);
    padding: 1.2rem;
    margin-bottom: 1rem;
}
.am-fieldset__legend {
    color: var(--am-brand);
    font-weight: 700;
    font-size: .92rem;
    margin-bottom: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* Repeater (lista de items reordenáveis) */
.am-repeater { display: flex; flex-direction: column; gap: .8rem; }
.am-repeater__item {
    background: var(--am-bg);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-sm);
    padding: 1rem;
    position: relative;
}
.am-repeater__item-head {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: .8rem;
    gap: .6rem;
}
.am-repeater__index {
    color: var(--am-muted);
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.am-repeater__actions { display: flex; gap: .3rem; }
.am-repeater__btn {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: transparent;
    color: var(--am-muted);
    display: inline-flex; align-items: center; justify-content: center;
    transition: background var(--am-dur-fast) var(--am-ease), color var(--am-dur-fast) var(--am-ease);
    font-size: .9rem;
}
.am-repeater__btn:hover { background: var(--am-brand-light); color: var(--am-brand); }
.am-repeater__btn--danger:hover { background: #FDEBEE; color: #8B1226; }
.am-repeater__add {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .5rem 1rem;
    background: transparent;
    color: var(--am-brand);
    border: 1.5px dashed var(--am-brand-tint);
    border-radius: var(--am-radius-sm);
    font-weight: 600;
    font-size: .86rem;
    align-self: flex-start;
    margin-top: .4rem;
}
.am-repeater__add:hover { background: var(--am-brand-light); border-color: var(--am-brand); }

/* Icon picker */
.am-icon-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
    gap: .4rem;
    max-height: 160px;
    overflow-y: auto;
    padding: .5rem;
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-sm);
    background: var(--am-bg);
}
.am-icon-pick {
    aspect-ratio: 1;
    display: flex; align-items: center; justify-content: center;
    background: var(--am-bg-elev);
    border-radius: var(--am-radius-sm);
    color: var(--am-brand);
    border: 1.5px solid transparent;
    transition: border-color var(--am-dur-fast) var(--am-ease), background var(--am-dur-fast) var(--am-ease);
}
.am-icon-pick:hover { background: var(--am-brand-light); }
.am-icon-pick.is-selected { border-color: var(--am-brand); background: var(--am-brand-light); }

/* Tone picker (4 cores pastel) */
.am-tone-picker { display: flex; gap: .4rem; flex-wrap: wrap; }
.am-tone-pick {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
}
.am-tone-pick.is-selected { border-color: var(--am-brand); transform: scale(1.05); }
.am-tone-pick[data-tone="rose"]  { background: var(--am-accent-rose); }
.am-tone-pick[data-tone="lilac"] { background: var(--am-accent-lilac); }
.am-tone-pick[data-tone="peach"] { background: var(--am-accent-peach); }
.am-tone-pick[data-tone="green"] { background: var(--am-accent-green); }

/* Tradução tabs */
.am-locale-tabs {
    display: inline-flex;
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-pill);
    padding: .25rem;
    gap: .25rem;
}
.am-locale-tab {
    padding: .4rem 1rem;
    border-radius: var(--am-radius-pill);
    font-weight: 600;
    font-size: .82rem;
    color: var(--am-muted);
    transition: background var(--am-dur-fast) var(--am-ease), color var(--am-dur-fast) var(--am-ease);
}
.am-locale-tab.is-active { background: var(--am-brand); color: #fff; }

/* Save status */
.am-savestatus {
    font-size: .82rem;
    color: var(--am-muted);
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.am-savestatus.is-saving { color: var(--am-brand-soft); }
.am-savestatus.is-saved  { color: #2E5C20; }
.am-savestatus.is-error  { color: #8B1226; }

/* ============================================================
   MEDIA LIBRARY
   ============================================================ */
.am-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: .8rem;
}
.am-media-item {
    background: var(--am-bg-elev);
    border: 1px solid var(--am-line);
    border-radius: var(--am-radius-sm);
    overflow: hidden;
    position: relative;
    aspect-ratio: 1;
    cursor: pointer;
    transition: transform var(--am-dur-fast) var(--am-ease), box-shadow var(--am-dur-fast) var(--am-ease);
}
.am-media-item:hover { transform: translateY(-2px); box-shadow: var(--am-shadow-md); }
.am-media-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.am-media-item__placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: var(--am-brand-light);
    color: var(--am-brand);
    font-size: .8rem;
    text-align: center;
    padding: .5rem;
}
.am-media-item__meta {
    position: absolute; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to top, rgba(42,21,24,.7), transparent);
    color: #fff;
    padding: .6rem .5rem .4rem;
    font-size: .72rem;
    line-height: 1.2;
}
.am-media-uploadbox {
    border: 2px dashed var(--am-brand-tint);
    border-radius: var(--am-radius-md);
    padding: 2rem 1rem;
    text-align: center;
    background: var(--am-bg-elev);
    margin-bottom: 1.4rem;
    transition: border-color var(--am-dur-fast) var(--am-ease), background var(--am-dur-fast) var(--am-ease);
}
.am-media-uploadbox.is-dragover { border-color: var(--am-brand); background: var(--am-brand-light); }
.am-media-uploadbox p { color: var(--am-muted); margin-top: .4rem; font-size: .88rem; }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 960px) {
    body.am-admin {
        grid-template-columns: 1fr;
    }
    .am-sidebar {
        position: fixed;
        left: -260px;
        width: 240px;
        transition: left var(--am-dur) var(--am-ease);
    }
    .am-sidebar.is-open { left: 0; box-shadow: var(--am-shadow-lg); }
    .am-topbar--admin { grid-column: 1; }
    .am-admin-main { grid-column: 1; }
    .am-sidebar-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .am-editor { grid-template-columns: 1fr; }
    .am-editor__aside { position: static; }
}
@media (max-width: 560px) {
    .am-form-grid { grid-template-columns: 1fr; }
    .am-page__head { flex-direction: column; align-items: stretch; }
    .am-table { font-size: .82rem; }
    .am-table th, .am-table td { padding: .6rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}