:root {
    --bg-primary: #202225;
    --bg-secondary: #292b2f;
    --bg-tertiary: #2f3136;
    --bg-card: rgba(41, 43, 47, 0.92);
    --text-primary: #e6f0ff;
    --text-secondary: #a3b4d4;
    --text-muted: #6f84a8;
    --accent: #6b7a99;
    --accent-glow: rgba(107, 122, 153, 0.25);
    --success: #57f287;
    --warning: #faa61a;
    --danger: #ed4245;
    --border-color: rgba(64, 68, 75, 0.6);
    --skill-unlocked: #6b7a99;
    --skill-available: #57f287;
    --skill-locked: #40444b;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}


.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.header-logo {
    justify-self: start;
    height: 36px;
    width: auto;
    object-fit: contain;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-self: center;
}

.header-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.main-content {
    padding: 20px;
}

.loading-state {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.simulator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
    align-items: start;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.main {
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    flex: 1;
    gap: 1rem;
    padding: 1rem;
}


.site-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-self: end;
}

.site-nav-item {
    min-width: 64px;
    padding: 6px 6px 4px;
    border-radius: 10px;
    background: rgba(41, 43, 47, 0.9);
    border: 1px solid var(--border-color);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    text-align: center;
}

.site-nav-item img {
    width: auto;
    height: auto;
    max-width: 40px;
    max-height: 40px;
    object-fit: contain;
}

.site-nav-item:hover {
    transform: translateY(-2px);
    border-color: var(--text-primary);
}

.site-nav-item.active {
    border-color: var(--success);
    box-shadow: 0 0 0 1px rgba(87, 242, 135, 0.4);
}

.site-nav-item.disabled {
    opacity: 0.35;
    filter: grayscale(1);
    cursor: default;
    pointer-events: none;
}

.site-nav-label {
    margin-top: 4px;
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1;
    white-space: nowrap;
}


.job-panel,
.skill-panel,
.details-panel {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.job-panel h2,
.skill-panel h2,
.details-panel h2 {
    padding: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}


.job-tree {
    padding: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.job-group {
    margin-bottom: 1rem;
}

.job-group-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.job-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.job-btn:hover {
    border-color: var(--accent);
    background: rgba(124, 77, 255, 0.1);
}

.job-btn.active {
    background: linear-gradient(135deg, rgba(124, 77, 255, 0.3), rgba(255, 64, 129, 0.2));
    border-color: var(--accent);
}

.job-btn.locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.job-btn img {
    width: auto;
    height: auto;
    max-height: 40px;
    
    border-radius: 4px;
}

.job-info {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.current-job {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

#points-remaining {
    color: var(--success);
    font-weight: 700;
}

.advancement-info {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.advancement-info .unlocked {
    color: var(--success);
}


.skill-tree {
    padding: 1.5rem;
    display: flex;
    flex-direction: row;
    
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
    min-height: 400px;
}

.skill-tree-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius);
    background: rgba(0, 0, 0, 0.1);
    min-width: 120px;
}

.skill-tree-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    width: 100%;
}

.skill-placeholder {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.skill-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.skill-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    
    background: var(--bg-tertiary);
    
}

.skill-icon-wrapper:hover {
    transform: scale(1.05);
    z-index: 2;
}

.skill-icon-wrapper.available {
    
    opacity: 1;
}

.skill-icon-wrapper.has-points {
    
    opacity: 1;
}


.skill-icon-wrapper.selected {
    box-shadow: 0 0 0 2px var(--text-primary);
}

.skill-icon-wrapper.locked {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(100%);
}

.skill-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.skill-level {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
}

.skill-name {
    font-size: 0.72rem;
    text-align: center;
    color: var(--text-secondary);
    max-width: 90px;
    line-height: 1.2;
    min-height: 2.4em;
    word-break: break-word;
    overflow: hidden;
}

.skill-tags-mini {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 6px;
    width: 100%;
}

.skill-tag-mini {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 4px;
    background: transparent;
    border: 1px solid var(--tag-color, rgba(64, 68, 75, 0.6));
    color: var(--tag-color, var(--text-secondary));
    font-size: 0.72rem;
    line-height: 1;
    gap: 4px;
    flex: 0 0 auto;
}

.skill-tag-mini-text {
    line-height: 1;
    white-space: nowrap;
}


.skill-controls {
    display: flex;
    gap: 0.25rem;
}

.skill-btn {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.skill-btn.add {
    background: var(--success);
    color: #000;
}

.skill-btn.remove {
    background: var(--danger);
    color: #fff;
}

.skill-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}


.skill-details {
    padding: 1rem;
}

.details-placeholder {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
}

.skill-detail-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.skill-detail-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    object-fit: cover;
}

.skill-detail-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.skill-detail-info .skill-type {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.skill-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.skill-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.skill-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.skill-stat-label {
    color: var(--text-muted);
}

.skill-prereqs {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.skill-prereqs h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.prereq-item {
    font-size: 0.85rem;
    padding: 0.25rem 0;
}

.prereq-item.met {
    color: var(--success);
}

.prereq-item.unmet {
    color: var(--danger);
}


.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #ff1744;
}


.tooltip {
    position: fixed;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem;
    max-width: 280px;
    pointer-events: none;
    box-shadow: var(--shadow);
}

.tooltip.hidden {
    display: none;
}


::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}


@media (max-width: 1200px) {
    .header {
        grid-template-columns: 1fr;
        row-gap: 12px;
    }

    .header-controls {
        justify-self: center;
        flex-wrap: wrap;
        justify-content: center;
    }

    .header-brand {
        justify-self: center;
    }

    .site-nav {
        justify-self: center;
        justify-content: center;
    }

    .main {
        grid-template-columns: 240px 1fr;
    }

    .details-panel {
        display: none;
    }

    .skill-detail-panel {
        display: block;
    }
}

@media (max-width: 1100px) {
    .simulator-layout {
        grid-template-columns: 1fr;
    }

    .skill-detail-panel {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .main {
        grid-template-columns: 1fr;
    }

    .job-panel {
        order: 1;
    }

    .skill-panel {
        order: 2;
    }
}


.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 0.5rem;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 22px;
    padding: 2px 8px;
    border-radius: 3px;
    background: transparent;
    border: 1px solid var(--tag-color, rgba(64, 68, 75, 0.6));
    color: var(--tag-color, var(--text-secondary));
    font-size: 0.75rem;
    line-height: 1;
    white-space: nowrap;
}


.skill-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin: 0.5rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 0.5rem;
    border-radius: var(--radius);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
}


.skill-next-level {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    opacity: 0.9;
}

.next-level-header {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: bold;
}


.tooltip {
    position: fixed;
    z-index: 1000;
    background: rgba(20, 22, 28, 0.98);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 1rem;
    width: 320px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    display: none;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.tooltip.visible {
    display: block;
    animation: fadeIn 0.15s ease-out;
}

.tooltip-icon {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    object-fit: cover;
}

.tooltip-prereqs {
    margin-top: 0.5rem;
    display: grid;
    gap: 0.35rem;
}

.tooltip-prereq {
    font-size: 0.85rem;
}

.tooltip-prereq.unmet {
    color: var(--danger);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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



#simulator-container {
    max-width: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.job-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
    
}

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

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


.job-header-banner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.job-banner-icon {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.job-banner-info h2 {
    margin: 0;
    font-size: 1.8em;
    color: var(--text-highlight);
}

.job-section-points {
    font-size: 1.1em;
    color: var(--text-muted);
}

.job-section-points strong {
    color: var(--accent-color);
}

.job-section-points.over-limit strong {
    color: var(--danger-color);
}


.job-selection-container {
    text-align: center;
    margin-top: 20px;
}

.job-selection-title {
    font-size: 2em;
    margin-bottom: 30px;
    color: var(--text-highlight);
}

.job-selection-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.job-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    width: 200px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.job-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.job-card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.job-card h3 {
    margin: 0;
    font-size: 1.2em;
}


.job-section.locked-preview {
    filter: grayscale(100%);
    opacity: 0.6;
    pointer-events: auto;
    position: relative;
    
}


.job-section.locked-preview::after {
    content: "Locked Preview";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 1.2rem;
    z-index: 1000;
    pointer-events: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}




.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-self: start;
}

.quick-select-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quick-select-wrapper label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 4px;
    font-family: inherit;
    min-width: 200px;
}

.form-select:focus {
    border-color: var(--accent);
    outline: none;
}


.job-skills-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    
    gap: 16px;
    padding: 20px 0;
    position: relative;
}

.skill-node {
    position: relative;
    z-index: 1;
}

.skill-group-outline {
    position: absolute;
    border: 1px solid rgba(107, 122, 153, 0.18);
    border-radius: 12px;
    pointer-events: none;
    z-index: 0;
}

.skill-detail-panel {
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow: auto;
}

.skill-detail-section {
    margin-top: 1rem;
}

.skill-detail-section-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.35rem;
}

.skill-detail-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}


.skill-node.empty {
    visibility: hidden;
    pointer-events: none;
    height: 80px;
    
}


.job-section.locked-preview {
    opacity: 0.6;
    filter: grayscale(0.8);
    position: relative;
    pointer-events: auto;
    
}

.job-section.locked-preview .skill-controls {
    pointer-events: none;
    opacity: 0.5;
}

.job-section.locked-preview .job-header-banner {
    filter: grayscale(1);
    background: var(--bg-secondary);
}

.job-section.locked-preview::after {
    content: "Locked Preview";
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}


.job-icon-large {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
}