/* ── SYSTEM DESIGN SYSTEM CORE LAYOUT PARAMETERS ────────────── */
:root {
    --bg-main: #030508;
    --bg-card: #090d14;
    --border-subtle: #1f293d;
    --text-high-contrast: #f0f3f8;
    --text-muted: #8b98a9;
    --accent-gold: #dfb76c;
    --sys-green: #2ea043;
    --sys-blue: #388bfd;
    --sys-red: #f85149;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-high-contrast);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    padding: 40px 20px;
    line-height: 1.5;
}

.matrix-container { max-width: 1600px; margin: 0 auto; }

/* ── HEADER TELEMETRY STRIP ─────────────────────────────────── */
.matrix-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.brand-group { display: flex; align-items: center; gap: 16px; }
.network-node-icon { font-size: 2.2rem; color: var(--accent-gold); }
.matrix-header h1 { font-size: 1.5rem; letter-spacing: 1px; }
.subtitle { color: var(--text-muted); font-size: 0.85rem; }
.section-divider { border: 0; height: 1px; background: var(--border-subtle); margin-bottom: 32px; }

/* SYSTEM PILLED LABELS */
.system-status-pill { padding: 6px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; border: 1px solid transparent; letter-spacing: 0.5px; }
.system-status-pill.ready { background: rgba(46, 160, 67, 0.15); color: var(--sys-green); border-color: var(--sys-green); }
.system-status-pill.running { background: rgba(56, 139, 253, 0.15); color: var(--sys-blue); border-color: var(--sys-blue); }
.system-status-pill.error { background: rgba(248, 81, 73, 0.15); color: var(--sys-red); border-color: var(--sys-red); }

/* INTEGRATED SIGNATURE ENGAGEMENT BUTTON */
.app-like-trigger {
    display: inline-flex; align-items: center; gap: 6px; background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle); border-radius: 20px; padding: 2px 10px;
    font-family: inherit; font-size: 0.75rem; font-weight: 600; color: var(--text-muted);
    cursor: pointer; margin-left: 12px; vertical-align: middle; transition: all 0.15s ease;
}
.app-like-trigger:hover:not(:disabled) { color: #f85149; border-color: rgba(248, 81, 73, 0.4); background: rgba(248, 81, 73, 0.05); transform: scale(1.05); }
.app-like-trigger.liked { color: var(--accent-gold); border-color: var(--accent-gold); background: rgba(223, 183, 108, 0.08); cursor: not-allowed; }

/* ── DOUBLE-SPLIT INTERFACE CORES ───────────────────────────── */
.workspace-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; min-height: 650px; }
@media (max-width: 900px) { .workspace-grid { grid-template-columns: 1fr; } }

.workspace-card {
    background-color: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: 8px; padding: 20px; display: flex; flex-direction: column; gap: 16px;
}

.card-action-header { display: flex; justify-content: space-between; align-items: center; }
.panel-title { font-size: 1.1rem; display: flex; align-items: center; gap: 8px; color: var(--text-high-contrast); }
.header-button-group { display: flex; align-items: center; gap: 12px; }

/* TEXT BUFFER EDITORS */
textarea {
    width: 100%; flex-grow: 1; min-height: 520px; background-color: #05080c;
    border: 1px solid var(--border-subtle); border-radius: 6px; padding: 16px;
    color: #c9d1d9; font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 0.85rem; line-height: 1.6; resize: vertical; outline: none; transition: border-color 0.15s ease;
}
textarea:focus { border-color: var(--accent-gold); }
#jsonCleanOutput { background-color: #020407; color: var(--accent-gold); cursor: text; }

/* CONTROL TRIGGERS */
.btn-action-tool {
    background-color: #161b22; color: var(--text-high-contrast); border: 1px solid var(--border-subtle);
    padding: 8px 14px; font-size: 0.8rem; font-weight: 600; border-radius: 6px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px; transition: all 0.15s ease;
}
.btn-action-tool:hover:not(:disabled) { background-color: #21262d; border-color: var(--text-muted); }
.btn-action-tool:disabled { opacity: 0.3; cursor: not-allowed; }

.file-upload-label {
    background-color: rgba(56, 139, 253, 0.1); color: var(--sys-blue); border: 1px solid rgba(56, 139, 253, 0.3);
    padding: 8px 14px; font-size: 0.8rem; font-weight: 600; border-radius: 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.file-upload-label:hover { background-color: rgba(56, 139, 253, 0.15); }
input[type="file"] { display: none; }

.btn-icon-subtle { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem; padding: 4px; transition: color 0.15s ease; }
.btn-icon-subtle:hover { color: var(--sys-red); }

/* TERMINAL OUTPUT CONSOLE DICTIONARY */
.terminal-error-logger {
    background-color: rgba(248, 81, 73, 0.08); border: 1px solid rgba(248, 81, 73, 0.25);
    border-radius: 6px; padding: 12px 16px; color: #ff7b72; font-size: 0.8rem;
    font-family: monospace; display: flex; align-items: flex-start; gap: 10px; line-height: 1.4;
    transition: opacity 0.2s ease;
}
.log-hidden { display: none !important; }

/* ── DRAG AND DROP RUNTIME INTERFACE FEEDBACK STYLES ──────── */
textarea.drag-active {
    border: 2px dashed var(--accent-gold);
    background-color: #0b1320 !important;
    cursor: copy;
}