/* Tutorials — self-contained styles. Theme-aware via CSS variables. */

.tutorial-modal {
    max-width: 720px;
    width: 100%;
}

.tutorial-body {
    max-height: 70vh;
    overflow-y: auto;
}

/* Side panel (shown while a tutorial is active) */

.tutorial-panel {
    position: fixed;
    top: 70px;
    right: 16px;
    width: 360px;
    max-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    z-index: 950;
    color: var(--text-primary);
}

.tutorial-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.85rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.tutorial-panel-header strong {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.tutorial-panel-actions {
    display: flex;
    gap: 0.25rem;
}

.tutorial-icon-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}

.tutorial-icon-btn:hover {
    background: var(--bg-module);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.tutorial-panel-body {
    overflow-y: auto;
    padding: 0.75rem 0.85rem;
    flex: 1 1 auto;
    color: var(--text-primary);
}

.tutorial-panel-footer {
    display: flex;
    gap: 0.5rem;
    padding: 0.6rem 0.85rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.tutorial-panel-footer .modal-action-btn {
    flex: 1;
}

.tutorial-loading,
.tutorial-error {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 1rem;
}

.tutorial-error {
    color: var(--accent-danger);
    font-style: normal;
}

/* List view */

.tutorial-card {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.tutorial-card:hover {
    background: var(--bg-module);
    border-color: var(--accent-primary);
}

.tutorial-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.tutorial-card-row strong {
    color: var(--text-primary);
}

.tutorial-card-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: flex;
    gap: 0.75rem;
}

.tutorial-card-desc {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.tutorial-badge {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: var(--bg-module);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.tutorial-badge-beginner    { background: #1f6f3f; color: #fff; border-color: transparent; }
.tutorial-badge-intermediate { background: #8a6d1c; color: #fff; border-color: transparent; }
.tutorial-badge-advanced    { background: #8a2c2c; color: #fff; border-color: transparent; }

/* Detail view */

.tutorial-toolbar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.tutorial-toolbar .modal-action-btn.primary {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}

.tutorial-description {
    color: var(--text-primary);
    margin: 0 0 0.75rem;
}

.tutorial-instructions {
    padding-left: 1.25rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.tutorial-instructions li {
    margin-bottom: 0.35rem;
}

.tutorial-section {
    margin: 0.75rem 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
}

.tutorial-section summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
}

.tutorial-section ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.tutorial-hints {
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent-warning);
    padding: 0.5rem 0.75rem;
    margin: 0.75rem 0;
    color: var(--text-primary);
}

.tutorial-hints p {
    margin: 0.25rem 0;
}

/* Result panel */

.tutorial-result {
    margin-top: 1rem;
}

.tutorial-banner {
    padding: 0.6rem 0.85rem;
    border-radius: 6px;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.tutorial-banner.success {
    background: rgba(58, 236, 112, 0.15);
    color: var(--accent-success);
    border: 1px solid var(--accent-success);
}

.tutorial-banner.failure {
    background: rgba(255, 59, 107, 0.15);
    color: var(--accent-danger);
    border: 1px solid var(--accent-danger);
}

.tutorial-messages {
    color: var(--text-primary);
    margin: 0.5rem 0 0.75rem;
    padding-left: 1.25rem;
}

.tutorial-conn-list {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem;
    color: var(--text-primary);
}

.tutorial-conn-list li {
    padding: 0.2rem 0;
}

.tutorial-conn-list li.ok    { color: var(--accent-success); }
.tutorial-conn-list li.bad   { color: var(--accent-danger); }

.tutorial-truth-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.tutorial-truth-table th,
.tutorial-truth-table td {
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.5rem;
    text-align: center;
}

.tutorial-truth-table thead {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tutorial-truth-table tr.pass td { color: var(--text-primary); }
.tutorial-truth-table tr.fail td { color: var(--accent-danger); }
.tutorial-truth-table td.ok      { color: var(--accent-success); font-weight: 700; }
.tutorial-truth-table td.bad     { color: var(--accent-danger); font-weight: 700; }

/* ---- Progress / completion indicators ---- */

.tutorial-progress-summary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem 0.85rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.tutorial-progress-bar {
    margin-top: 0.4rem;
    height: 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.tutorial-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
    transition: width 0.3s ease;
}

.tutorial-badges {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.tutorial-done-badge {
    background: rgba(58, 236, 112, 0.15);
    color: var(--accent-success);
    border: 1px solid var(--accent-success);
    border-radius: 4px;
    padding: 0.05rem 0.4rem;
    font-size: 0.72rem;
    font-weight: 600;
}

.tutorial-card-done {
    border-color: var(--accent-success) !important;
    background: rgba(58, 236, 112, 0.08) !important;
}

.tutorial-progress-note {
    margin: 0.5rem 0;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.tutorial-progress-saved {
    color: var(--accent-success);
    border-color: var(--accent-success);
    background: rgba(58, 236, 112, 0.1);
}

.tutorial-progress-failed {
    color: var(--accent-danger);
    border-color: var(--accent-danger);
    background: rgba(255, 59, 107, 0.1);
}