/** * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 * 
 * Exclusive Admixture Explorer - Cinematic Spotlight UI
 * Immersive calculator browsing experience with spotlight feature and navigator.
 */

/* ==========================================================================
   EXPLORER CONTAINER
   ========================================================================== */

.exa-explorer {
    display: grid;
    grid-template-columns: 1fr 380px;
    grid-template-rows: 1fr auto;
    gap: 0;
    min-height: 70vh;
    max-height: 85vh;
    background: var(--exa-obsidian);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        inset 0 0 0 1px rgba(168, 159, 145, 0.1);
}

.exa-explorer-hint {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--exa-sand);
    opacity: 0.5;
    z-index: 10;
}

.exa-explorer-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(168, 159, 145, 0.15);
    border: 1px solid rgba(168, 159, 145, 0.2);
    border-radius: 4px;
    font-family: var(--exa-font-body);
    font-size: 0.65rem;
    margin: 0 2px;
}

/* ==========================================================================
   SPOTLIGHT AREA
   ========================================================================== */

.exa-explorer-spotlight {
    position: relative;
    grid-column: 1;
    grid-row: 1 / 3;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Spotlight Background */
.exa-spotlight-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.exa-spotlight-bg-image {
    position: absolute;
    inset: -20px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px);
    opacity: 0.4;
    transform: scale(1.1);
    transition: 
        background-image 0.8s ease,
        opacity 0.6s ease,
        transform 0.8s ease;
}

.exa-spotlight-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13, 13, 15, 0.85) 0%,
        rgba(13, 13, 15, 0.7) 50%,
        rgba(13, 13, 15, 0.9) 100%
    );
}

.exa-spotlight-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(1px 1px at 20% 30%, rgba(196, 149, 106, 0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 20%, rgba(196, 149, 106, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 70%, rgba(196, 149, 106, 0.15) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 60%, rgba(196, 149, 106, 0.2) 0%, transparent 100%);
    animation: spotlight-particles 20s linear infinite;
}

@keyframes spotlight-particles {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* Spotlight Content */
.exa-spotlight-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    padding: 3rem;
    text-align: center;
}

/* Status Badges */
.exa-spotlight-status {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.exa-spotlight-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-family: var(--exa-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.exa-spotlight-badge--ready {
    background: rgba(74, 159, 110, 0.2);
    color: #5dbf7a;
    border-color: rgba(74, 159, 110, 0.4);
}

.exa-spotlight-badge--processing {
    background: rgba(245, 158, 11, 0.2);
    color: var(--exa-processing);
    border-color: rgba(245, 158, 11, 0.4);
    animation: badge-pulse 2s ease-in-out infinite;
}

.exa-spotlight-badge--pending {
    background: rgba(168, 159, 145, 0.15);
    color: var(--exa-sand);
    border-color: rgba(168, 159, 145, 0.3);
}

.exa-spotlight-badge--locked {
    background: rgba(196, 149, 106, 0.15);
    color: var(--exa-amber-light);
    border-color: rgba(196, 149, 106, 0.3);
}

.exa-spotlight-badge--new {
    background: linear-gradient(135deg, var(--exa-amber), var(--exa-amber-dark));
    color: var(--exa-obsidian);
    border-color: transparent;
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
    50% { box-shadow: 0 0 20px 4px rgba(245, 158, 11, 0.3); }
}

/* Title */
.exa-spotlight-title {
    font-family: var(--exa-font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--exa-ivory);
    margin: 0 0 1rem 0;
    line-height: 1.2;
    letter-spacing: 0.01em;
    transition: opacity 0.4s ease;
}

/* Meta Row */
.exa-spotlight-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.exa-spotlight-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--exa-font-body);
    font-size: 0.9rem;
    color: var(--exa-sand);
}

.exa-spotlight-meta-item i {
    color: var(--exa-amber);
    font-size: 0.85rem;
}

/* Description */
.exa-spotlight-description {
    font-family: var(--exa-font-body);
    font-size: 1rem;
    color: var(--exa-bone);
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.85;
    max-height: 120px;
    overflow: hidden;
    transition: opacity 0.4s ease;
}

/* Progress Bar */
.exa-spotlight-progress {
    margin-bottom: 2rem;
}

.exa-spotlight-progress.d-none {
    display: none;
}

.exa-spotlight-progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.exa-spotlight-progress-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--exa-processing), var(--exa-amber));
    border-radius: 6px;
    animation: spotlight-progress 2s ease-in-out infinite;
}

@keyframes spotlight-progress {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

.exa-spotlight-progress-text {
    font-size: 0.8rem;
    color: var(--exa-processing);
    font-style: italic;
}

/* Action Buttons */
.exa-spotlight-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.exa-spotlight-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-family: var(--exa-font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.exa-spotlight-btn--info {
    background: transparent;
    border: 1px solid rgba(168, 159, 145, 0.3);
    color: var(--exa-sand);
}

.exa-spotlight-btn--info:hover {
    border-color: var(--exa-amber);
    color: var(--exa-amber);
    background: rgba(196, 149, 106, 0.1);
}

.exa-spotlight-btn--view {
    background: linear-gradient(135deg, #4A9F6E, #3d8a5d);
    color: #fff;
}

.exa-spotlight-btn--view:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(74, 159, 110, 0.4);
    color: #fff;
    text-decoration: none;
}

.exa-spotlight-btn--view::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.exa-spotlight-btn--view:hover::before {
    left: 100%;
}

.exa-spotlight-btn--calculate {
    background: linear-gradient(135deg, var(--exa-amber), var(--exa-amber-dark));
    color: var(--exa-obsidian);
}

.exa-spotlight-btn--calculate:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(196, 149, 106, 0.4);
}

.exa-spotlight-btn--processing {
    background: rgba(245, 158, 11, 0.2);
    color: var(--exa-processing);
    border: 1px solid rgba(245, 158, 11, 0.3);
    cursor: default;
}

.exa-spotlight-btn--unlock {
    background: linear-gradient(135deg, var(--exa-amber), var(--exa-amber-dark));
    color: var(--exa-obsidian);
}

.exa-spotlight-btn--unlock:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(196, 149, 106, 0.4);
    color: var(--exa-obsidian);
    text-decoration: none;
}

/* ==========================================================================
   NAVIGATOR PANEL
   ========================================================================== */

.exa-explorer-nav {
    grid-column: 2;
    grid-row: 1 / 3;
    background: rgba(26, 28, 30, 0.95);
    border-left: 1px solid rgba(168, 159, 145, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Search */
.exa-nav-search {
    padding: 1rem;
    border-bottom: 1px solid rgba(168, 159, 145, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
}

.exa-nav-search i {
    color: var(--exa-sand);
    font-size: 0.85rem;
}

.exa-nav-search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--exa-ivory);
    font-family: var(--exa-font-body);
    font-size: 0.875rem;
    outline: none;
}

.exa-nav-search-input::placeholder {
    color: var(--exa-sand);
    opacity: 0.6;
}

/* List */
.exa-nav-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.5rem;
}

.exa-nav-list::-webkit-scrollbar {
    width: 6px;
}

.exa-nav-list::-webkit-scrollbar-track {
    background: transparent;
}

.exa-nav-list::-webkit-scrollbar-thumb {
    background: rgba(168, 159, 145, 0.2);
    border-radius: 3px;
}

.exa-nav-list::-webkit-scrollbar-thumb:hover {
    background: rgba(168, 159, 145, 0.3);
}

/* Nav Item */
.exa-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    margin-bottom: 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    transition: all 0.25s ease;
    color: var(--exa-bone);
}

.exa-nav-item:hover {
    background: rgba(168, 159, 145, 0.08);
    border-color: rgba(168, 159, 145, 0.1);
}

.exa-nav-item.active {
    background: rgba(196, 149, 106, 0.15);
    border-color: rgba(196, 149, 106, 0.3);
}

.exa-nav-item:focus {
    outline: 2px solid var(--exa-amber);
    outline-offset: 2px;
}

/* Status Indicator */
.exa-nav-item-status {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.75rem;
}

.exa-nav-item.status-completed .exa-nav-item-status {
    color: #5dbf7a;
}

.exa-nav-item.status-processing .exa-nav-item-status {
    color: var(--exa-processing);
}

.exa-nav-item.status-pending .exa-nav-item-status {
    color: var(--exa-sand);
    opacity: 0.4;
}

/* Content */
.exa-nav-item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.exa-nav-item-title {
    font-family: var(--exa-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--exa-ivory);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.exa-nav-item-meta {
    font-size: 0.7rem;
    color: var(--exa-sand);
    opacity: 0.7;
}

/* Badges */
.exa-nav-item-badges {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.exa-nav-badge {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 0.6rem;
}

.exa-nav-badge--locked {
    background: rgba(196, 149, 106, 0.2);
    color: var(--exa-amber-light);
}

.exa-nav-badge--new {
    background: linear-gradient(135deg, var(--exa-amber), var(--exa-amber-dark));
    color: var(--exa-obsidian);
}

/* Footer Stats */
.exa-nav-footer {
    padding: 0.875rem 1rem;
    border-top: 1px solid rgba(168, 159, 145, 0.1);
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: space-around;
    gap: 0.5rem;
}

.exa-nav-stat {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    color: var(--exa-sand);
}

.exa-nav-stat i {
    font-size: 0.65rem;
}

/* ==========================================================================
   BATCH ACTION BAR
   ========================================================================== */

.exa-nav-actions {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid rgba(168, 159, 145, 0.1);
    background: rgba(0, 0, 0, 0.15);
}

.exa-batch-calculate-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.875rem 1rem;
    border-radius: 10px;
    font-family: var(--exa-font-body);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--exa-amber), var(--exa-amber-dark));
    color: var(--exa-obsidian);
}

.exa-batch-calculate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 149, 106, 0.4);
}

.exa-batch-calculate-btn:active:not(:disabled) {
    transform: translateY(0);
}

.exa-batch-calculate-btn:focus {
    outline: 2px solid var(--exa-amber);
    outline-offset: 2px;
}

.exa-batch-calculate-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.exa-batch-btn-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.3s ease;
}

.exa-batch-btn-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.3s ease;
}

.exa-batch-btn-progress.d-none {
    display: none !important;
}

.exa-batch-btn-text {
    font-weight: 600;
}

.exa-batch-btn-count {
    font-size: 0.8rem;
    opacity: 0.85;
    font-weight: 500;
}

/* Processing State */
.exa-batch-calculate-btn.processing {
    background: rgba(245, 158, 11, 0.2);
    color: var(--exa-processing);
    border: 1px solid rgba(245, 158, 11, 0.3);
    animation: batch-btn-pulse 2s ease-in-out infinite;
}

.exa-batch-calculate-btn.processing .exa-batch-btn-content {
    display: none;
}

.exa-batch-calculate-btn.processing .exa-batch-btn-progress {
    display: flex !important;
}

.exa-batch-progress-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Success State */
.exa-batch-calculate-btn.success {
    background: rgba(74, 159, 110, 0.2);
    color: #5dbf7a;
    border: 1px solid rgba(74, 159, 110, 0.4);
}

.exa-batch-calculate-btn.success .exa-batch-btn-content {
    display: flex;
}

.exa-batch-calculate-btn.success .exa-batch-btn-progress {
    display: none !important;
}

.exa-batch-calculate-btn.success .exa-batch-btn-text::before {
    content: '✓ ';
    margin-right: 0.25rem;
}

@keyframes batch-btn-pulse {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
    }
    50% { 
        box-shadow: 0 0 20px 4px rgba(245, 158, 11, 0.3);
    }
}

/* ==========================================================================
   TRANSITIONS & ANIMATIONS
   ========================================================================== */

.exa-spotlight-content > * {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.exa-explorer.is-transitioning .exa-spotlight-content > * {
    opacity: 0.5;
    transform: translateY(5px);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1200px) {
    .exa-explorer {
        grid-template-columns: 1fr 320px;
    }
    
    .exa-spotlight-title {
        font-size: 2rem;
    }
}

@media (max-width: 992px) {
    .exa-explorer {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
        min-height: auto;
        max-height: none;
    }
    
    .exa-explorer-spotlight {
        grid-column: 1;
        grid-row: 1;
        min-height: 60vh;
    }
    
    .exa-explorer-nav {
        grid-column: 1;
        grid-row: 2;
        border-left: none;
        border-top: 1px solid rgba(168, 159, 145, 0.1);
        max-height: 400px;
    }
    
    .exa-nav-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 1rem;
    }
    
    .exa-nav-item {
        width: 100%;
        margin-bottom: 0;
    }
    
    .exa-nav-footer {
        display: none;
    }
}

@media (max-width: 768px) {
    .exa-spotlight-content {
        padding: 2rem 1.5rem;
    }
    
    .exa-spotlight-title {
        font-size: 1.75rem;
    }
    
    .exa-spotlight-meta {
        gap: 1rem;
    }
    
    .exa-spotlight-meta-item {
        font-size: 0.8rem;
    }
    
    .exa-spotlight-description {
        font-size: 0.9rem;
        max-height: 80px;
    }
    
    .exa-spotlight-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .exa-spotlight-btn {
        width: 100%;
        padding: 1rem 1.5rem;
    }
    
    .exa-nav-item {
        padding: 0.75rem;
    }
    
    .exa-nav-item-title {
        font-size: 0.8rem;
    }
    
    .exa-nav-actions {
        padding: 0.75rem;
    }
    
    .exa-batch-calculate-btn {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .exa-explorer {
        border-radius: 12px;
    }
    
    .exa-explorer-spotlight {
        min-height: 50vh;
    }
    
    .exa-spotlight-content {
        padding: 1.5rem 1rem;
    }
    
    .exa-spotlight-badge {
        padding: 0.4rem 0.75rem;
        font-size: 0.65rem;
    }
    
    .exa-spotlight-title {
        font-size: 1.5rem;
    }
    
    .exa-explorer-nav {
        max-height: 300px;
    }
    
    .exa-nav-actions {
        padding: 0.625rem 0.75rem;
    }
    
    .exa-batch-calculate-btn {
        padding: 0.625rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .exa-batch-btn-count {
        font-size: 0.7rem;
    }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .exa-spotlight-bg-image,
    .exa-spotlight-particles,
    .exa-spotlight-progress-fill,
    .exa-spotlight-badge--processing,
    .exa-spotlight-btn,
    .exa-nav-item,
    .exa-spotlight-content > *,
    .exa-batch-calculate-btn {
        animation: none !important;
        transition: none !important;
    }
}

.exa-nav-item:focus-visible {
    outline: 2px solid var(--exa-amber);
    outline-offset: 2px;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .exa-explorer {
        display: none !important;
    }
}