/* ============================================================
   Smiggy's World — Interactive Diagnostic Flowchart Engine CSS
   Inherits theme tokens from themes.css / styles.css (dark,
   amber, matrix, light). Zero external dependencies.
   ============================================================ */

.de-wizard-mount, .de-engine-wrap { margin: 1.5rem 0 2rem; }
.de-engine-card {
    background: var(--bg-card, #14141f);
    border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.28));
    border-radius: var(--radius-lg, 14px);
    padding: 1.35rem 1.5rem;
    box-shadow: var(--shadow, 0 4px 24px rgba(0, 0, 0, 0.3));
    position: relative;
    overflow: hidden;
}
.de-engine-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-accent, linear-gradient(90deg, var(--accent, #00ff88), #00ccff));
}

/* Header & Tree Switcher */
.de-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.08));
}
.de-header-left { flex: 1; min-width: 260px; }
.de-eyebrow {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--font-mono, monospace); font-size: 0.7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent, #00ff88);
    background: var(--accent-glow, rgba(0, 255, 136, 0.12));
    border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.28));
    padding: 0.2rem 0.6rem; border-radius: 999px; margin-bottom: 0.45rem;
}
.de-eyebrow-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent, #00ff88); box-shadow: 0 0 8px var(--accent, #00ff88);
}
.de-title {
    font-family: var(--font-heading, sans-serif); font-size: 1.25rem; font-weight: 700;
    color: var(--text-primary, #eaeaf2); margin: 0 0 0.25rem; line-height: 1.3;
}
.de-subtitle { font-size: 0.85rem; color: var(--text-secondary, #a8a8c0); margin: 0; line-height: 1.5; }
.de-header-controls { display: flex; flex-direction: column; align-items: flex-end; gap: 0.5rem; }
.de-tree-select-wrap { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.de-tree-label {
    font-family: var(--font-mono, monospace); font-size: 0.72rem; font-weight: 600;
    color: var(--text-muted, #686884); text-transform: uppercase;
}
.de-tree-select {
    font-family: var(--font-mono, monospace); font-size: 0.8rem; padding: 0.42rem 0.75rem;
    border-radius: 8px; background: var(--bg-secondary, #0c0c14); color: var(--text-primary, #eaeaf2);
    border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.25)); cursor: pointer; max-width: 340px;
}
.de-tree-select:focus { outline: none; border-color: var(--accent, #00ff88); }
.de-autoscroll-toggle {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--font-mono, monospace); font-size: 0.72rem;
    color: var(--text-secondary, #a8a8c0); cursor: pointer; user-select: none;
}
.de-autoscroll-toggle input { accent-color: var(--accent, #00ff88); cursor: pointer; }

/* Tree Quick-Pills */
.de-tree-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.de-tree-pill {
    font-family: var(--font-mono, monospace); font-size: 0.73rem; font-weight: 600;
    padding: 0.32rem 0.7rem; border-radius: 999px; background: var(--bg-secondary, #0c0c14);
    color: var(--text-secondary, #a8a8c0); border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    cursor: pointer; transition: all 0.18s ease;
}
.de-tree-pill:hover, .de-tree-pill.is-active {
    color: var(--accent, #00ff88); background: var(--accent-glow, rgba(0, 255, 136, 0.12));
    border-color: var(--accent, #00ff88);
}

/* Visual Progress Tracker & Breadcrumbs */
.de-progress-bar-wrap {
    background: var(--bg-secondary, #0c0c14); border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    border-radius: var(--radius, 10px); padding: 0.65rem 0.85rem; margin-bottom: 1.1rem;
}
.de-progress-top {
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
    margin-bottom: 0.45rem; font-family: var(--font-mono, monospace); font-size: 0.72rem; color: var(--text-muted, #686884);
}
.de-progress-status { color: var(--accent, #00ff88); font-weight: 600; }
.de-progress-track {
    width: 100%; height: 5px; background: var(--bg-primary, #06060b);
    border-radius: 999px; overflow: hidden; margin-bottom: 0.6rem;
}
.de-progress-fill {
    height: 100%; background: var(--gradient-accent, linear-gradient(90deg, var(--accent, #00ff88), #00ccff));
    border-radius: 999px; transition: width 0.25s ease;
}
.de-breadcrumbs {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem;
    font-family: var(--font-mono, monospace); font-size: 0.72rem;
}
.de-crumb {
    display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.22rem 0.5rem;
    border-radius: 6px; background: var(--bg-card-solid, #14141f); color: var(--text-secondary, #a8a8c0);
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08)); cursor: pointer; font: inherit; transition: all 0.18s ease;
}
.de-crumb:hover { color: var(--accent, #00ff88); border-color: var(--accent, #00ff88); background: var(--accent-glow, rgba(0, 255, 136, 0.12)); }
.de-crumb--active {
    color: var(--text-primary, #eaeaf2); border-color: var(--accent, #00ff88);
    background: var(--accent-glow, rgba(0, 255, 136, 0.14)); font-weight: 700; cursor: default;
}
.de-crumb-num {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 1.15rem; height: 1.15rem; padding: 0 0.22rem; border-radius: 4px;
    background: var(--accent, #00ff88); color: var(--bg-primary, #06060b); font-size: 0.62rem; font-weight: 700;
}
.de-crumb-tag { font-size: 0.6rem; font-weight: 700; padding: 0.08rem 0.32rem; border-radius: 4px; border: 1px solid currentColor; }
.de-crumb-tag--yes { color: var(--success, #00ff88); }
.de-crumb-tag--no  { color: var(--error, #ff4466); }
.de-crumb-tag--unsure { color: var(--warning, #ffbb33); }
.de-crumb-sep { color: var(--text-muted, #686884); }

/* Main Workbench Grid */
.de-body-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 1.15rem; align-items: start; }
@media (max-width: 920px) { .de-body-grid { grid-template-columns: minmax(0, 1fr); } }
.de-stage {
    background: var(--bg-secondary, #0c0c14); border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    border-radius: var(--radius, 10px); padding: 1.25rem;
}
.de-node-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.85rem;
}
.de-node-title-wrap { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.de-step-pill {
    font-family: var(--font-mono, monospace); font-size: 0.65rem; font-weight: 700;
    letter-spacing: 0.07em; text-transform: uppercase; padding: 0.25rem 0.55rem;
    border-radius: 5px; background: var(--accent, #00ff88); color: var(--bg-primary, #06060b);
}
.de-step-pill--result { background: var(--gradient-accent, linear-gradient(135deg, #00ff88, #00ccff)); }
.de-node-title { font-family: var(--font-heading, sans-serif); font-size: 1.08rem; font-weight: 700; color: var(--text-primary, #eaeaf2); margin: 0; }
.de-jump-section-btn {
    font-family: var(--font-mono, monospace); font-size: 0.7rem; font-weight: 600;
    padding: 0.26rem 0.6rem; border-radius: 6px; background: var(--bg-card-solid, #14141f);
    color: var(--accent, #00ff88); border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.28)); cursor: pointer;
}
.de-jump-section-btn:hover { background: var(--accent-glow, rgba(0, 255, 136, 0.15)); border-color: var(--accent, #00ff88); }

/* Steps & Interactive Tool Trigger Buttons */
.de-step-list { list-style: none; padding: 0; margin: 0 0 1rem; counter-reset: destep; }
.de-step-list li {
    counter-increment: destep; position: relative; padding: 0.5rem 0 0.5rem 2.1rem;
    font-size: 0.86rem; line-height: 1.58; color: var(--text-primary, #eaeaf2);
    border-bottom: 1px dashed var(--border, rgba(255, 255, 255, 0.08));
}
.de-step-list li:last-child { border-bottom: none; }
.de-step-list li::before {
    content: counter(destep); position: absolute; left: 0; top: 0.55rem;
    width: 1.45rem; height: 1.45rem; border-radius: 50%;
    background: var(--accent-glow, rgba(0, 255, 136, 0.14));
    border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.35));
    color: var(--accent, #00ff88); font-family: var(--font-mono, monospace);
    font-size: 0.7rem; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.de-tool-triggers {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem;
    margin: 0.75rem 0 1rem; padding: 0.65rem 0.85rem;
    background: var(--bg-card-solid, #14141f); border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.25)); border-radius: 8px;
}
.de-tool-triggers-label {
    font-family: var(--font-mono, monospace); font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted, #686884); margin-right: 0.25rem;
}
.de-modal-trigger {
    display: inline-flex; align-items: center; gap: 0.35rem; font-family: var(--font-mono, monospace);
    font-size: 0.74rem; font-weight: 600; padding: 0.32rem 0.68rem; border-radius: 6px;
    cursor: pointer; transition: all 0.18s ease; text-decoration: none;
}
.de-modal-trigger--scope { background: rgba(0, 255, 136, 0.1); color: var(--accent, #00ff88); border: 1px solid var(--accent, #00ff88); }
.de-modal-trigger--scope:hover { background: var(--accent, #00ff88); color: var(--bg-primary, #06060b); }
.de-modal-trigger--pinout { background: rgba(0, 204, 255, 0.1); color: #00ccff; border: 1px solid rgba(0, 204, 255, 0.5); }
.de-modal-trigger--pinout:hover { background: #00ccff; color: #05080b; }

/* Voltage / Measurement Threshold Evaluator Box */
.de-threshold-box {
    background: var(--bg-card-solid, #14141f); border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.28));
    border-radius: 8px; padding: 0.85rem 1rem; margin-bottom: 1rem;
}
.de-threshold-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.55rem; }
.de-threshold-title { font-family: var(--font-mono, monospace); font-size: 0.75rem; font-weight: 700; color: var(--accent, #00ff88); text-transform: uppercase; }
.de-threshold-spec { font-family: var(--font-mono, monospace); font-size: 0.72rem; color: var(--text-secondary, #a8a8c0); }
.de-threshold-controls { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.de-voltage-input {
    font-family: var(--font-mono, monospace); font-size: 0.88rem; font-weight: 600; width: 135px;
    padding: 0.42rem 0.65rem; border-radius: 6px; background: var(--bg-primary, #06060b);
    color: var(--text-primary, #eaeaf2); border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.35));
}
.de-voltage-input:focus { outline: none; border-color: var(--accent, #00ff88); box-shadow: 0 0 0 2px var(--accent-glow, rgba(0, 255, 136, 0.15)); }
.de-voltage-unit { font-family: var(--font-mono, monospace); font-size: 0.8rem; font-weight: 700; color: var(--text-secondary, #a8a8c0); }
.de-threshold-presets { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.5rem; }
.de-preset-chip {
    font-family: var(--font-mono, monospace); font-size: 0.68rem; padding: 0.18rem 0.5rem;
    border-radius: 4px; background: var(--bg-secondary, #0c0c14); color: var(--text-secondary, #a8a8c0);
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08)); cursor: pointer;
}
.de-preset-chip:hover { color: var(--accent, #00ff88); border-color: var(--accent, #00ff88); }
.de-threshold-feedback {
    margin-top: 0.6rem; padding: 0.55rem 0.75rem; border-radius: 6px;
    font-family: var(--font-mono, monospace); font-size: 0.78rem; line-height: 1.45;
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap;
}
.de-threshold-feedback--pass { background: rgba(0, 255, 136, 0.1); border: 1px solid var(--success, #00ff88); color: var(--success, #00ff88); }
.de-threshold-feedback--fail { background: rgba(255, 68, 102, 0.12); border: 1px solid var(--error, #ff4466); color: var(--error, #ff4466); }
.de-threshold-feedback--danger { background: rgba(255, 34, 68, 0.18); border: 2px solid var(--error, #ff4466); color: var(--error, #ff4466); font-weight: 700; }

/* Expected Reading, Hints & Actions */
.de-expect-box {
    background: var(--bg-card-solid, #14141f); border-left: 3px solid var(--accent, #00ff88);
    border-radius: 6px; padding: 0.65rem 0.85rem; margin-bottom: 1rem; font-size: 0.83rem; color: var(--text-secondary, #a8a8c0);
}
.de-expect-box strong { color: var(--text-primary, #eaeaf2); font-family: var(--font-mono, monospace); font-size: 0.74rem; text-transform: uppercase; display: block; margin-bottom: 0.2rem; }
.de-hint-box {
    background: rgba(255, 187, 51, 0.08); border: 1px solid var(--warning, #ffbb33);
    border-radius: 6px; padding: 0.65rem 0.85rem; margin-bottom: 1rem; font-size: 0.82rem; color: var(--text-primary, #eaeaf2);
}
.de-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center; margin-top: 0.85rem; }
.de-btn {
    font-family: var(--font-mono, monospace); font-size: 0.8rem; font-weight: 700;
    padding: 0.52rem 1rem; border-radius: 8px; cursor: pointer;
    border: 1px solid var(--border, rgba(255, 255, 255, 0.12)); background: var(--bg-card-solid, #14141f);
    color: var(--text-primary, #eaeaf2); transition: all 0.18s ease; display: inline-flex; align-items: center; gap: 0.35rem;
}
.de-btn--pass { border-color: var(--success, #00ff88); color: var(--success, #00ff88); background: rgba(0, 255, 136, 0.08); }
.de-btn--pass:hover, .de-btn--pass.is-recommended { background: var(--success, #00ff88); color: var(--bg-primary, #06060b); box-shadow: 0 0 14px var(--accent-glow, rgba(0, 255, 136, 0.25)); }
.de-btn--fail { border-color: var(--error, #ff4466); color: var(--error, #ff4466); background: rgba(255, 68, 102, 0.08); }
.de-btn--fail:hover, .de-btn--fail.is-recommended { background: var(--error, #ff4466); color: #fff; box-shadow: 0 0 14px rgba(255, 68, 102, 0.3); }
.de-btn--unsure { border-color: var(--warning, #ffbb33); color: var(--warning, #ffbb33); }
.de-btn--unsure:hover { background: var(--warning, #ffbb33); color: var(--bg-primary, #06060b); }
.de-btn--ghost { color: var(--text-secondary, #a8a8c0); }
.de-btn--ghost:hover { border-color: var(--accent, #00ff88); color: var(--accent, #00ff88); }

/* Side Inspector, Culprits & Cross-Links */
.de-side-panel {
    background: var(--bg-secondary, #0c0c14); border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    border-radius: var(--radius, 10px); padding: 1rem; display: flex; flex-direction: column; gap: 0.9rem;
}
.de-side-block-title { font-family: var(--font-mono, monospace); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent, #00ff88); margin-bottom: 0.45rem; }
.de-crosslink-list { display: flex; flex-direction: column; gap: 0.38rem; }
.de-crosslink-item {
    display: flex; align-items: center; justify-content: space-between; gap: 0.4rem;
    padding: 0.42rem 0.65rem; border-radius: 6px; background: var(--bg-card-solid, #14141f);
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08)); font-family: var(--font-mono, monospace);
    font-size: 0.73rem; color: var(--text-primary, #eaeaf2); text-decoration: none; transition: all 0.18s ease;
}
.de-crosslink-item:hover { border-color: var(--accent, #00ff88); color: var(--accent, #00ff88); background: var(--accent-glow, rgba(0, 255, 136, 0.1)); }
.de-culprit-list { display: flex; flex-direction: column; gap: 0.5rem; margin: 0.75rem 0 1rem; }
.de-culprit-card { display: flex; align-items: flex-start; gap: 0.65rem; padding: 0.65rem 0.85rem; border-radius: 8px; background: var(--bg-card-solid, #14141f); border: 1px solid var(--border, rgba(255, 255, 255, 0.08)); }
.de-culprit-ref { font-family: var(--font-mono, monospace); font-size: 0.74rem; font-weight: 700; padding: 0.2rem 0.5rem; border-radius: 4px; background: rgba(255, 68, 102, 0.15); color: var(--error, #ff4466); border: 1px solid var(--error, #ff4466); flex-shrink: 0; }
.de-culprit-body strong { display: block; font-size: 0.86rem; color: var(--text-primary, #eaeaf2); margin-bottom: 0.15rem; }
.de-culprit-body p { margin: 0; font-size: 0.8rem; color: var(--text-secondary, #a8a8c0); }
.de-export-preview { margin-top: 0.75rem; padding: 0.75rem; border-radius: 8px; background: var(--code-bg, #10101a); border: 1px solid var(--border, rgba(255, 255, 255, 0.1)); font-family: var(--font-mono, monospace); font-size: 0.73rem; color: var(--text-primary, #eaeaf2); white-space: pre-wrap; overflow-x: auto; }

/* Badges, Highlighting & Modals */
.de-flowchart-badge {
    display: inline-flex; align-items: center; gap: 0.32rem; font-family: var(--font-mono, monospace);
    font-size: 0.66rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
    padding: 0.2rem 0.55rem; border-radius: 999px; background: var(--accent-glow, rgba(0, 255, 136, 0.14));
    color: var(--accent, #00ff88); border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.35)); vertical-align: middle;
}
@keyframes deSectionPulse {
    0%   { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.55); }
    50%  { box-shadow: 0 0 0 8px rgba(0, 255, 136, 0.15); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); }
}
.de-section-highlight { outline: 2px solid var(--accent, #00ff88) !important; outline-offset: 6px; border-radius: 8px; animation: deSectionPulse 1.8s ease-out 2; }
.de-modal-backdrop { position: fixed; inset: 0; z-index: 10050; background: rgba(4, 6, 12, 0.82); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.de-modal-backdrop[hidden] { display: none !important; }
.de-modal-dialog { background: var(--bg-card-solid, #14141f); border: 1px solid var(--border-hover, rgba(0, 255, 136, 0.35)); border-radius: var(--radius-lg, 14px); max-width: 860px; width: 100%; max-height: 90vh; overflow-y: auto; padding: 1.25rem 1.4rem; box-shadow: 0 18px 60px rgba(0, 0, 0, 0.65); }
.de-modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding-bottom: 0.75rem; margin-bottom: 0.9rem; border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.1)); }
.de-modal-title { font-family: var(--font-heading, sans-serif); font-size: 1.15rem; font-weight: 700; color: var(--text-primary, #eaeaf2); margin: 0; }
.de-modal-sub { font-family: var(--font-mono, monospace); font-size: 0.75rem; color: var(--accent, #00ff88); margin-top: 0.2rem; }
.de-modal-grid { display: grid; grid-template-columns: minmax(240px, 340px) minmax(0, 1fr); gap: 1rem; align-items: start; }
@media (max-width: 720px) { .de-modal-grid { grid-template-columns: minmax(0, 1fr); } }
.de-modal-svg-box { background: var(--bg-secondary, #0c0c14); border: 1px solid var(--border, rgba(255, 255, 255, 0.08)); border-radius: 8px; padding: 0.75rem; text-align: center; }
.de-modal-pin-table { max-height: 340px; overflow-y: auto; border: 1px solid var(--border, rgba(255, 255, 255, 0.08)); border-radius: 8px; }
.de-modal-pin-table table { width: 100%; border-collapse: collapse; font-family: var(--font-mono, monospace); font-size: 0.74rem; }
.de-modal-pin-table th, .de-modal-pin-table td { padding: 0.4rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.06)); }
.de-modal-pin-table th { background: var(--bg-secondary, #0c0c14); color: var(--text-muted, #686884); position: sticky; top: 0; }
.de-modal-pin-table tr.is-target-pin { background: var(--accent-glow, rgba(0, 255, 136, 0.16)); color: var(--accent, #00ff88); font-weight: 700; }