/* =============================================================================
   FEEDBACK.CSS - Loading Overlay, Tooltips, Animations
   =============================================================================
   Contains: Loading Spinner, Overlay, Result Animations, Tooltip System
   ============================================================================= */

/* =============================================================================
   LOADING OVERLAY STYLES (UX Enhancement)
   ============================================================================= */

#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#loadingOverlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
    padding: 40px 60px;
    background: rgba(19, 19, 26, 0.95);
    border-radius: 16px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(212, 175, 55, 0.15);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(212, 175, 55, 0.2);
    border-top: 4px solid var(--accent-gold);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.loading-message {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
}

.loading-submessage {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Animation for result section appearing */
#resultSection {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =============================================================================
   TOOLTIP SYSTEM - CSS-only tooltips for terminology explanation
   ============================================================================= */

/* Base tooltip container */
.term-tooltip {
    position: relative;
    cursor: help;
    border-bottom: 1px dotted var(--accent-gold);
    color: var(--accent-gold);
}

/* Tooltip content */
.term-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(19, 19, 26, 0.98);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: normal;
    line-height: 1.5;
    white-space: normal;
    width: max-content;
    max-width: 280px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    z-index: 1000;

    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

/* Arrow */
.term-tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(212, 175, 55, 0.3);
    margin-bottom: -6px;

    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

/* Show on hover */
.term-tooltip:hover::after,
.term-tooltip:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Adjust for tooltips near edges */
.term-tooltip.tooltip-left::after {
    left: 0;
    transform: translateX(0);
}

.term-tooltip.tooltip-right::after {
    left: auto;
    right: 0;
    transform: translateX(0);
}