body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-main);
    color: var(--text-color-primary);
    margin: 0;
    padding: 0;
}

/* --- Layout --- */
.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.app-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-color-primary);
    margin: 0;
}

.app-subtitle {
    color: var(--text-color-secondary);
    font-size: 1rem;
    margin-top: 5px;
}

#header-profile-display {
    position: absolute;
    right: 0;
    top: 0;
}

/* --- Navigation --- */
/* .nav-tabs and .view-toggle-btn are now in shared_assets/styles/style.css */

/* --- Main Content Area --- */
main {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow-color, rgba(0,0,0,0.05));
    padding: 30px;
    margin-bottom: 40px;
    min-height: 400px;
}

/* --- Semantic Layout Classes --- */
.flex-row-center { display: flex; align-items: center; gap: 10px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 15px; flex-wrap: wrap; }
.flex-column { display: flex; flex-direction: column; gap: 10px; }
.flex-wrap-container { display: flex; flex-wrap: wrap; gap: 10px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 600px) { .grid-2 { grid-template-columns: 1fr; } }

.section-header { margin-bottom: 20px; }
.section-headline { font-size: 1.5rem; font-weight: 600; margin: 0; }
.section-subtext { color: var(--text-color-secondary); font-size: 0.875rem; margin-top: 5px; }

/* --- Badge Card View --- */
.skill-badge-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color-primary);
    border-radius: 12px;
    padding: 20px;
    width: 200px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.skill-badge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow-color, rgba(0,0,0,0.1));
    border-color: var(--focus-ring-color);
}

.badge-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80px;
}

/* Badge Mastery/Currency Overlay Styles */
.badge-container-outer {
    position: relative;
    display: inline-flex;
    margin-right: 15px;
    margin-top: 5px;
}

.badge-container-outer .universal-badge span {
    transition: color 0.3s;
}

/* Gray out the mastery level (which is usually what the badge shows) if different from currency */
.badge-container-outer[data-mastery] .universal-badge {
    opacity: 0.8;
}

/* If Mastery and Currency are different, subdued the mastery text/number */
.badge-container-outer[data-mismatch="true"] .universal-badge {
    filter: saturate(0.5);
}

.currency-overlay {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background: var(--focus-ring-color);
    color: var(--text-color-on-primary);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    border: 2px solid var(--bg-main);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    z-index: 10;
}

/* Rusty Bronzed Effect */
.rusty-bronze {
    filter: sepia(1) saturate(2) hue-rotate(-30deg) brightness(0.8) !important;
}

.badge-container-outer.rusty-bronze .currency-overlay {
    background: #cd7f32; /* Bronze color */
    color: #fff;
}

.badge-skill-name {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-color-primary);
}

.badge-level {
    font-size: 0.85rem;
    color: var(--text-color-secondary);
}

/* --- Cards & Levels --- */
.skill-overview-card {
    background: var(--bg-main);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 6px solid var(--btn-primary-bg);
    box-shadow: 0 2px 8px var(--shadow-color, rgba(0,0,0,0.05));
}

.skill-overview-card.rusty { border-left-color: var(--status-color-yellow, #facc15); }
.skill-overview-card.master { border-left-color: var(--status-color-green, #22c55e); }

.level-card {
    background: var(--bg-main);
    border-radius: 10px;
    margin-bottom: 25px;
    overflow: hidden;
    border: 1px solid var(--border-color-primary);
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.2s ease;
}

.level-card.active-level {
    opacity: 1;
    border: 2px solid var(--focus-ring-color);
    transform: scale(1.01);
}

.level-card.achieved-level {
    opacity: 1;
    border: 1px solid var(--status-color-green, #22c55e);
}

.level-header {
    background-color: var(--bg-tertiary);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color-primary);
}

.active-level .level-header { background-color: var(--btn-primary-bg); color: var(--text-color-on-primary); }
.achieved-level .level-header { background-color: var(--status-color-green, #22c55e); color: #fff; }

.level-header h3 { margin: 0; font-size: 1.15rem; }

.level-body { padding: 20px; }

.level-section-title {
    font-weight: 700;
    color: var(--text-color-secondary);
    margin-top: 20px;
    margin-bottom: 12px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color-secondary);
    padding-bottom: 4px;
}

.description-box {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 8px;
    font-style: italic;
    color: var(--text-color-secondary);
    margin-bottom: 15px;
    white-space: pre-wrap;
    border: 1px solid var(--border-color-secondary);
}

.description-box a, .task-item a {
    color: var(--focus-ring-color);
    text-decoration: underline;
}

/* --- Tasks --- */
.task-list { list-style: none; padding: 0; margin: 0; }
.task-item {
    margin-bottom: 6px;
    padding: 10px;
    border-radius: 6px;
    background: transparent;
    transition: background 0.2s;
}
.task-item:hover { background-color: var(--bg-tertiary); }
.task-item-content { display: flex; align-items: flex-start; }
.task-item input[type="checkbox"] { margin-right: 12px; margin-top: 5px; transform: scale(1.2); flex-shrink: 0; }
.task-item-label-container { flex-grow: 1; }
.task-item-header { display: flex; justify-content: space-between; align-items: center; gap: 10px; }

/* --- Editor --- */
.editor-input-group { margin-bottom: 20px; }
.editor-input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-color-primary); }

input[type="text"], input[type="number"], select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color-primary);
    border-radius: 6px;
    background-color: var(--bg-main);
    color: var(--text-color-primary);
    font-size: 1rem;
    box-sizing: border-box;
}

.editor-task-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color-secondary);
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
}

.editor-task-row { display: flex; gap: 12px; align-items: flex-start; }
.editor-task-row textarea { flex-grow: 1; min-height: 44px; }

.editor-subtask-container {
    margin-left: 25px;
    padding-left: 15px;
    border-left: 2px solid var(--border-color-secondary);
    margin-top: 10px;
}

.task-extra-inputs { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.editor-task-controls { display: flex; flex-direction: column; gap: 5px; }

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 5vh auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color-secondary);
}

/* --- Search View --- */
.skill-list-item {
    padding: 15px;
    border-bottom: 1px solid var(--border-color-primary);
    cursor: pointer;
    background: var(--bg-main);
    margin-bottom: 5px;
    border-radius: 6px;
}
.skill-list-item:hover { background-color: var(--bg-tertiary); }

.badge-status {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
}
.badge-status.rusty { background: var(--status-color-yellow, #facc15); color: #000; }
.badge-status.current { background: var(--status-color-green, #22c55e); color: #fff; }

/* Collapsible sections refactored for suite compatibility */
.collapsible-section {
    margin-bottom: 10px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color-primary);
}

.collapsible-section .collapsible-header {
    padding: 12px 15px;
    font-weight: 600;
    background-color: var(--bg-tertiary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.collapsible-section .collapsible-header:hover {
    background-color: var(--bg-main);
}

.collapsible-section .collapsible-content {
    display: none;
    padding: 15px;
    background: var(--bg-main);
    border-top: 1px solid var(--border-color-primary);
}

.collapsible-section.open .collapsible-content {
    display: block;
}

/* --- Utility classes for JS strings (Semantic) --- */
.small-text { font-size: 0.8rem; }
.tiny-text { font-size: 0.7rem; }
.secondary-text { color: var(--text-color-secondary); }
.accent-text { color: var(--focus-ring-color); }
.bold-text { font-weight: 600; }
.margin-top-small { margin-top: 10px; }
.margin-bottom-small { margin-bottom: 10px; }
.full-width { width: 100%; }
.text-center { text-align: center; }

/* --- Responsive Styles --- */
@media (max-width: 600px) {
    .app-container { padding: 10px; }
    main { padding: 15px; }
    .app-title { font-size: 1.75rem; }

    .editor-task-row { flex-direction: column; align-items: stretch; }
    .task-extra-inputs {
        width: 100%;
        background: var(--bg-tertiary);
        padding: 10px;
        border-radius: 6px;
        margin-top: 5px;
    }
    .editor-task-controls { flex-direction: row; gap: 10px; justify-content: flex-end; width: 100%; margin-top: 5px; }

    button { width: 100%; margin-bottom: 5px; }
    .nav-tabs {
        grid-template-columns: repeat(2, 1fr);
    }

    .level-header { flex-direction: column; align-items: flex-start; gap: 5px; }
    .flex-between { flex-direction: column; align-items: stretch; }
}

/* Task Extra Input Styling */
.task-meta-tag {
    background-color: var(--bg-tertiary);
    color: var(--text-color-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid var(--border-color-primary);
}