/*
 * Auto-Save Indicator
 * Non-intrusive status indicator for auto-save functionality
 */

/* ===== Auto-Save Indicator Container ===== */
.auto-save-indicator {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.auto-save-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

[data-theme="dark"] .auto-save-indicator {
    background: var(--color-bg-elevated);
    box-shadow: var(--shadow-xl);
}

/* ===== Auto-Save Icon ===== */
.auto-save-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

/* ===== Auto-Save Text ===== */
.auto-save-text {
    color: var(--color-text-secondary);
    white-space: nowrap;
    transition: color var(--transition-fast);
}

/* ===== Spinner Icon for Saving State ===== */
.auto-save-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-right-color: currentColor;
    border-radius: 50%;
    animation: autoSaveSpin 0.8s linear infinite;
}

@keyframes autoSaveSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== State Variants ===== */

/* Saving State (Blue) */
.auto-save-indicator.auto-save-saving {
    border-left: 3px solid var(--color-info);
}

.auto-save-indicator.auto-save-saving .auto-save-icon {
    color: var(--color-info);
}

.auto-save-indicator.auto-save-saving .auto-save-text {
    color: var(--color-info);
}

/* Saved State (Green) */
.auto-save-indicator.auto-save-saved {
    border-left: 3px solid var(--color-success);
}

.auto-save-indicator.auto-save-saved .auto-save-icon {
    color: var(--color-success);
}

.auto-save-indicator.auto-save-saved .auto-save-text {
    color: var(--color-success);
}

/* Error State (Red) */
.auto-save-indicator.auto-save-error {
    border-left: 3px solid var(--color-danger);
}

.auto-save-indicator.auto-save-error .auto-save-icon {
    color: var(--color-danger);
}

.auto-save-indicator.auto-save-error .auto-save-text {
    color: var(--color-danger);
}

/* ===== Fade Animations ===== */
@keyframes autoSaveFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes autoSaveFadeOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
}

.auto-save-indicator.fade-in {
    animation: autoSaveFadeIn 0.3s ease-out;
}

.auto-save-indicator.fade-out {
    animation: autoSaveFadeOut 0.3s ease-out forwards;
}

/* ===== Success Pulse Animation ===== */
.auto-save-indicator.auto-save-saved.pulse {
    animation: autoSavePulse 0.6s ease-out;
}

@keyframes autoSavePulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* ===== Compact Variant ===== */
.auto-save-indicator.auto-save-compact {
    padding: var(--space-2) var(--space-3);
    gap: var(--space-1);
}

.auto-save-indicator.auto-save-compact .auto-save-icon {
    width: 16px;
    height: 16px;
    font-size: 0.875rem;
}

.auto-save-indicator.auto-save-compact .auto-save-text {
    font-size: 0.75rem;
}

.auto-save-indicator.auto-save-compact .auto-save-spinner {
    width: 14px;
    height: 14px;
    border-width: 1.5px;
}

/* ===== Position Variants ===== */
.auto-save-indicator.auto-save-top-right {
    top: var(--space-6);
    bottom: auto;
    right: var(--space-6);
}

.auto-save-indicator.auto-save-top-left {
    top: var(--space-6);
    bottom: auto;
    right: auto;
    left: var(--space-6);
}

.auto-save-indicator.auto-save-bottom-left {
    bottom: var(--space-6);
    right: auto;
    left: var(--space-6);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    .auto-save-indicator {
        bottom: var(--space-4);
        right: var(--space-4);
        padding: var(--space-2) var(--space-3);
        gap: var(--space-2);
        font-size: 0.75rem;
    }

    .auto-save-indicator.auto-save-top-right {
        top: var(--space-4);
        right: var(--space-4);
    }

    .auto-save-indicator.auto-save-top-left {
        top: var(--space-4);
        left: var(--space-4);
    }

    .auto-save-indicator.auto-save-bottom-left {
        bottom: var(--space-4);
        left: var(--space-4);
    }

    .auto-save-icon {
        width: 16px;
        height: 16px;
    }

    .auto-save-spinner {
        width: 14px;
        height: 14px;
    }
}

/* ===== Inline Variant (for forms) ===== */
.auto-save-indicator-inline {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    font-size: var(--font-size-xs);
    opacity: 1;
    transform: none;
}

.auto-save-indicator-inline .auto-save-icon {
    width: 14px;
    height: 14px;
    font-size: 0.75rem;
}

.auto-save-indicator-inline .auto-save-spinner {
    width: 12px;
    height: 12px;
    border-width: 1.5px;
}

.auto-save-indicator-inline .auto-save-text {
    font-size: 0.75rem;
}

/* ===== Reduced Motion Support ===== */
@media (prefers-reduced-motion: reduce) {
    .auto-save-indicator {
        transition: opacity var(--transition-fast);
        transform: none;
    }

    .auto-save-indicator.show {
        transform: none;
    }

    .auto-save-spinner {
        animation-duration: 1.5s;
    }

    .auto-save-indicator.fade-in,
    .auto-save-indicator.fade-out {
        animation: fadeInOut 0.2s ease-out;
    }

    .auto-save-indicator.auto-save-saved.pulse {
        animation: none;
    }

    @keyframes fadeInOut {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
}

/* ===== High Contrast Support ===== */
@media (prefers-contrast: high) {
    .auto-save-indicator {
        border: 2px solid var(--color-border);
    }

    .auto-save-indicator.auto-save-saving {
        border: 2px solid var(--color-info);
    }

    .auto-save-indicator.auto-save-saved {
        border: 2px solid var(--color-success);
    }

    .auto-save-indicator.auto-save-error {
        border: 2px solid var(--color-danger);
    }
}