.coret-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--touch, 44px);
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: var(--radius, 8px);
    color: #ffffff;
    background: var(--coret-accent, #5B6BFF);
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background 150ms cubic-bezier(0.2, 0.6, 0.2, 1), box-shadow 150ms cubic-bezier(0.2, 0.6, 0.2, 1), transform 120ms cubic-bezier(0.2, 0.6, 0.2, 1);
}

.coret-button:hover {
    background: var(--coret-accent-strong, #7886FF);
    box-shadow: 0 0 0 3px var(--coret-focus, rgba(91, 107, 255, 0.35));
}

.coret-button:active {
    transform: scale(0.97);
}

/* Aliases e variantes */
.coret-button--primary {
    color: #ffffff;
    background: var(--coret-accent, #5B6BFF);
    border: none;
    backdrop-filter: blur(6px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: background 180ms ease, transform 120ms ease, box-shadow 180ms ease;
}

.coret-button--primary:hover {
    background: var(--coret-accent-strong, #7886FF);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.coret-button--primary:active {
    transform: scale(0.96);
}

.coret-button--secondary,
.coret-button--muted {
    color: var(--coret-text, #F2F4F8);
    border-color: var(--coret-border-strong, #3A3D4A);
    background: var(--coret-surface, #14151C);
}

.coret-button--ghost {
    color: var(--coret-muted, #9AA0AE);
    background: transparent;
}

.coret-button--danger {
    color: #ffffff;
    background: var(--coret-danger, #FF3A5C);
}

.coret-button--small {
    min-height: 34px;
    padding: 0 10px;
    font-size: 0.86rem;
}

.coret-button--full {
    width: 100%;
    justify-content: center;
}

.coret-button.is-disabled,
.coret-button:disabled {
    cursor: not-allowed;
    opacity: 0.52;
    pointer-events: none;
}

.coret-button__spinner,
.coret-loader__mark {
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 999px;
    animation: coret-spin 900ms linear infinite;
}

.coret-loader {
    display: grid;
    place-items: center;
    gap: 10px;
    min-height: 96px;
    color: var(--coret-muted, #9AA0AE);
}

.coret-loader--compact {
    min-height: 48px;
}

.coret-loader--fullscreen {
    min-height: 100dvh;
}

.coret-loader--skeleton {
    place-items: stretch;
}

.coret-skeleton-line {
    display: block;
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.06));
    background-size: 220% 100%;
    animation: coret-shimmer 1.6s ease-in-out infinite;
}

.coret-skeleton-line.short {
    width: 58%;
}

.coret-empty-state {
    display: grid;
    gap: 10px;
    justify-items: start;
    padding: 20px;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius, 8px);
    background: var(--coret-surface, #14151C);
}

.coret-empty-state > .material-symbols-outlined {
    color: var(--coret-secondary, #3DD7E5);
    font-size: 28px;
}

.coret-empty-state h2,
.coret-empty-state p {
    margin: 0;
}

.coret-empty-state p {
    color: var(--coret-muted, #9AA0AE);
}

.coret-avatar {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    overflow: hidden;
    flex: 0 0 auto;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: 999px;
    background: rgba(91, 107, 255, 0.14);
    color: var(--coret-accent, #5B6BFF);
    font-weight: 800;
}

.coret-avatar--sm {
    width: 34px;
    height: 34px;
}

.coret-avatar--lg {
    width: 72px;
    height: 72px;
}

.coret-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coret-avatar i {
    position: absolute;
    right: -1px;
    bottom: -1px;
    color: var(--coret-success, #2BE08C);
    font-size: 17px;
}

.coret-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.coret-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: var(--touch, 44px);
    padding: 0 13px;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius, 10px);
    color: var(--coret-muted, #9AA0AE);
    white-space: nowrap;
}

.coret-tab.is-active,
.coret-tab[aria-current="page"] {
    color: #ffffff;
    border-color: transparent;
    background: var(--coret-accent, #5B6BFF);
    font-weight: 750;
}

.coret-action-menu {
    position: relative;
}

.coret-action-menu > summary {
    display: grid;
    place-items: center;
    width: var(--touch, 44px);
    height: var(--touch, 44px);
    list-style: none;
    border-radius: var(--radius, 8px);
    color: var(--coret-muted, #9AA0AE);
    cursor: pointer;
}

.coret-action-menu > summary::-webkit-details-marker {
    display: none;
}

.coret-action-menu__panel {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    z-index: 30;
    min-width: 210px;
    padding: 8px;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius, 10px);
    background: rgba(20, 21, 28, 0.98);
    box-shadow: var(--shadow-panel, 0 24px 60px rgba(0, 0, 0, 0.55));
}

.coret-feed-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.coret-feed-hero h1,
.coret-feed-hero p {
    margin: 0;
}

.coret-feed-hero p:not(.eyebrow) {
    color: var(--coret-muted, #9AA0AE);
}

.coret-coin-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 10px;
    border: 1px solid rgba(61, 215, 229, 0.28);
    border-radius: 999px;
    color: var(--coret-secondary, #3DD7E5);
    background: rgba(61, 215, 229, 0.1);
}

.coret-audio {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius, 10px);
}

.coret-audio audio {
    width: 100%;
}

.coret-audio.is-empty {
    color: var(--coret-muted, #9AA0AE);
}

.coret-poll {
    display: grid;
    gap: 10px;
}

.coret-poll__options {
    display: grid;
    gap: 8px;
}

.coret-poll__option {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    overflow: hidden;
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius, 10px);
}

.coret-poll__option span,
.coret-poll__option b {
    position: relative;
    z-index: 1;
}

.coret-poll__option i {
    position: absolute;
    inset: 0 auto 0 0;
    background: rgba(91, 107, 255, 0.18);
}

.coret-poll__option.is-selected {
    border-color: var(--coret-accent, #5B6BFF);
}

@media (max-width: 767px) {
    .coret-action-menu[open] .coret-action-menu__panel {
        position: fixed;
        right: 10px;
        bottom: calc(82px + env(safe-area-inset-bottom));
        top: auto;
        left: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .coret-button__spinner,
    .coret-loader__mark,
    .coret-skeleton-line {
        animation: none;
    }
}

@keyframes coret-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes coret-shimmer {
    to {
        background-position: -220% 0;
    }
}

.coret-post--promoted {
    border-color: var(--coret-accent, #5B6BFF) !important;
    box-shadow: 0 0 0 1px rgba(91, 107, 255, 0.18), var(--shadow-sm);
}

.post-promoted-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: -16px -16px 12px -16px;
    padding: 6px 16px;
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #ffffff;
    background: var(--coret-accent, #5B6BFF);
    border-radius: var(--radius, 10px) var(--radius, 10px) 0 0;
}

.post-promoted-badge .material-symbols-outlined {
    font-size: 16px;
}

/* ==============================
   Dialog / Modal nativo
   ============================== */
.coret-modal,
dialog.coret-modal {
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius-panel, 12px);
    background: var(--coret-surface, #14151C);
    color: var(--coret-text, #F2F4F8);
    padding: 0;
    max-width: min(520px, calc(100vw - 24px));
    width: 100%;
    box-shadow: 0 28px 90px rgba(0,0,0,0.68);
}

.coret-modal::backdrop {
    background: rgba(2, 4, 8, 0.74);
    backdrop-filter: blur(10px);
}

dialog.coret-modal .coret-modal-backdrop {
    display: none;
}

.coret-modal-content {
    display: flex;
    flex-direction: column;
    max-height: calc(100dvh - 48px);
}

.coret-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--coret-border);
}

.coret-modal-header h2 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
}

.coret-modal-body {
    overflow-y: auto;
    padding: 20px;
}

.coret-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--coret-border);
}

/* Fallback: seção como overlay (legado) */
section.coret-modal {
    position: fixed;
    inset: 0;
    z-index: 7200;
    display: grid;
    place-items: center;
    padding: 16px;
    background: rgba(2, 4, 8, 0.74);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 0;
    max-width: 100%;
}

section.coret-modal[hidden] { display: none !important; }

.modal-card {
    width: min(520px, 100%);
    max-height: calc(100dvh - 48px);
    overflow: hidden;
    border: 1px solid var(--coret-border, #2A2D38);
    border-radius: var(--radius-panel, 12px);
    background: var(--coret-surface, #14151C);
    box-shadow: 0 28px 90px rgba(0,0,0,0.68);
    display: flex;
    flex-direction: column;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--coret-border);
}

.modal-head h2 { margin: 0; font-size: 1.05rem; font-weight: 700; }

.coret-modal__body {
    overflow-y: auto;
    padding: 20px;
    flex: 1;
}