/**
 * Replyfect feedback UI — loader, toasts, inline spinners
 * Scope: .rf-app (shared across dashboard and future pages)
 */

/* ——— Full-screen loader ——— */
.rf-app .rf-loader {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    background-color: var(--rf-bg-base);
    opacity: 1;
    visibility: visible;
    transition: opacity 280ms ease, visibility 280ms ease;
}

.rf-app .rf-loader.rf-loader--exiting {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.rf-app .rf-loader.rf-loader--hidden {
    display: none;
}

.rf-app .rf-loader__visual {
    position: relative;
    width: 4.5rem;
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rf-app .rf-loader__ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px solid var(--rf-border);
    border-top-color: var(--rf-text-muted);
    animation: rf-loader-spin 0.9s linear infinite;
}

.rf-app .rf-loader__logo {
    width: 2.25rem;
    height: 2.25rem;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.rf-app .rf-loader__title {
    margin: 1.25rem 0 0;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--rf-text-primary);
    line-height: 1.3;
}

.rf-app .rf-loader__hint {
    margin: 0.375rem 0 0;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--rf-text-muted);
    line-height: 1.4;
    min-height: 1.05rem;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.rf-app .rf-loader__hint.is-fading {
    opacity: 0;
    transform: translateY(0.35rem);
}

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

@media (prefers-reduced-motion: reduce) {
    .rf-app .rf-loader__ring {
        animation: none;
        border-top-color: var(--rf-border);
    }
}

/* ——— Toast stack ——— */
.rf-app #toast-container {
    position: fixed;
    bottom: 1.5rem;
    inset-inline-end: 1.5rem;
    z-index: var(--rf-z-toast, 110);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
    max-width: min(22rem, calc(100vw - 2rem));
}

.rf-app .rf-toast {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.35;
    color: var(--rf-text-primary);
    background: var(--rf-bg-elevated);
    border: 1px solid var(--rf-border);
    border-radius: var(--rf-radius-md);
    box-shadow: var(--rf-shadow-sm);
    transform: translateY(0.5rem);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: auto;
}

.rf-app .rf-toast.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.rf-app .rf-toast.is-hiding {
    transform: translateY(0.25rem);
    opacity: 0;
}

.rf-app .rf-toast--success {
    border-color: var(--rf-success-border);
    background: color-mix(in srgb, var(--rf-bg-elevated) 88%, var(--rf-success-bg));
}

.rf-app .rf-toast--warning {
    border-color: var(--rf-warning-border);
    background: color-mix(in srgb, var(--rf-bg-elevated) 82%, var(--rf-warning-bg));
}

.rf-app .rf-toast--error {
    border-color: var(--rf-danger-border);
    background: color-mix(in srgb, var(--rf-bg-elevated) 88%, var(--rf-danger-bg));
}

.rf-app .rf-toast--info {
    border-color: var(--rf-info-border);
    background: color-mix(in srgb, var(--rf-bg-elevated) 88%, var(--rf-info-bg));
}

.rf-app .rf-toast__icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
    border-radius: var(--rf-radius-sm);
    align-self: center;
}

.rf-app .rf-toast--success .rf-toast__icon-wrap {
    background: var(--rf-success-bg);
    color: var(--rf-success-text);
}

.rf-app .rf-toast--warning .rf-toast__icon-wrap {
    background: var(--rf-warning-bg);
    color: var(--rf-warning-text);
}

.rf-app .rf-toast--error .rf-toast__icon-wrap {
    background: var(--rf-danger-bg);
    color: var(--rf-danger-text);
}

.rf-app .rf-toast--info .rf-toast__icon-wrap {
    background: var(--rf-info-bg);
    color: var(--rf-info-text);
}

.rf-app .rf-toast--ai-online .rf-toast__icon-wrap {
    color: var(--rf-success-text, #16a34a);
    background: var(--rf-success-bg);
}

.rf-app .rf-toast--ai-offline .rf-toast__icon-wrap {
    color: var(--rf-text-secondary);
    background: var(--rf-bg-muted);
}

.rf-app .rf-toast--ai-limit .rf-toast__icon-wrap {
    color: var(--rf-danger-text, #dc2626);
    background: var(--rf-danger-bg);
}

.rf-app .rf-toast--ai-online .rf-toast__message,
.rf-app .rf-toast--ai-offline .rf-toast__message {
    font-weight: 600;
    letter-spacing: -0.01em;
}

.rf-app .rf-toast--ai-online .rf-toast__detail,
.rf-app .rf-toast--ai-offline .rf-toast__detail,
.rf-app .rf-toast--ai-limit .rf-toast__detail {
    color: var(--rf-text-secondary);
}

.rf-app .rf-toast__icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.rf-app .rf-toast--has-detail {
    align-items: flex-start;
}

.rf-app .rf-toast--has-detail .rf-toast__icon-wrap {
    margin-top: 0.0625rem;
    align-self: flex-start;
}

.rf-app .rf-toast__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.rf-app .rf-toast__message {
    display: block;
    color: var(--rf-text-primary);
}

.rf-app .rf-toast__detail {
    display: block;
    margin-top: 0.125rem;
    font-size: 0.6875rem;
    font-weight: 400;
    color: var(--rf-text-secondary);
}

.rf-app .rf-toast__dismiss {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: var(--rf-radius-sm);
    background: transparent;
    color: var(--rf-text-muted);
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}

.rf-app .rf-toast__dismiss:hover {
    color: var(--rf-text-primary);
    background: var(--rf-bg-muted);
}

.rf-app .rf-toast__dismiss:focus-visible {
    outline: none;
    box-shadow: 0 0 0 1px var(--rf-border-strong);
}

@media (prefers-reduced-motion: reduce) {
    .rf-app .rf-toast {
        transition: opacity 0.15s ease;
        transform: none;
    }

    .rf-app .rf-toast.is-visible,
    .rf-app .rf-toast.is-hiding {
        transform: none;
    }
}

/* ——— Inline spinner (avatar upload, etc.) ——— */
.rf-app .rf-inline-spinner {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background-color: color-mix(in srgb, var(--rf-bg-elevated) 82%, transparent);
    z-index: 2;
}

.rf-app .rf-inline-spinner.is-active {
    display: flex;
}

.rf-app .rf-inline-spinner__ring {
    width: 1.125rem;
    height: 1.125rem;
    border-radius: 50%;
    border: 1.5px solid var(--rf-border);
    border-top-color: var(--rf-text-muted);
    animation: rf-loader-spin 0.75s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
    .rf-app .rf-inline-spinner__ring {
        animation: none;
    }
}