/* ==========================================================================
   📐 AETHERIX ABSOLUTE MINIMALIST ACADEMIC CANVAS SYSTEM
   ========================================================================== */

:root {
    --bg-canvas: #ffffff;
    --border-flat: #ececec;
    --text-primary: #000000;
    --text-muted: #6e6e73;
    
    /* Pure Solid Accents - Zero Glow */
    --accent-complete: #1d1d1f;  
    --accent-progress: #86868b;  
    --accent-planned: #d2d2d7;   
    --accent-active: #0066cc;    
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "SF Mono", SFMono-Regular, Consolas, Menlo, monospace;
}

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

body {
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    line-height: 1.47059;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 📊 Pure Minimalist Fixed Header Navigation */
.crypto-header {
    background-color: var(--bg-canvas);
    border-bottom: 1px solid var(--border-flat);
    padding: 1.5rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-brand h1 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.secure-pulse-node {
    display: none; /* Kills the neon pulse box permanently */
}

.header-nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-anchor {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    transition: background-color 0.1s ease;
}

.nav-anchor:hover {
    color: var(--text-primary);
    background-color: #f5f5f7;
}

.nav-anchor.active {
    color: var(--text-primary);
    background-color: #e8e8ed;
    font-weight: 600;
}

.org-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* 📐 Main Viewport Layout Frame Box */
.dashboard-grid {
    max-width: 780px;
    width: 100%;
    margin: 0 auto;
    padding: 3.5rem 1.5rem;
    flex: 1;
}

/* 📋 High-Density Syllabus Timelines */
.academic-syllabus-container {
    width: 100%;
}

.curriculum-meta-summary {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.meta-label {
    color: var(--text-primary);
    font-weight: 600;
}

.meta-divider {
    margin: 0 0.3rem;
    color: var(--text-muted);
}

.syllabus-instructions-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.status-legend-ribbon {
    display: flex;
    gap: 1rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-flat);
    padding-bottom: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    display: inline-block;
}
.dot-complete { background-color: var(--text-primary); }
.dot-progress { background-color: var(--text-muted); }
.dot-planned { background-color: var(--border-flat); }

/* 📁 Expandable Phase Matrix Rows */
.accordion-matrix-list {
    display: flex;
    flex-direction: column;
}

.phase-row-node {
    border-bottom: 1px solid var(--border-flat);
}

.phase-header-trigger {
    padding: 0.85rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.phase-title-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.phase-chevron {
    width: 0;
    height: 0;
    border-left: 3.5px solid transparent;
    border-right: 3.5px solid transparent;
    border-top: 4px solid var(--text-muted);
}

.phase-row-node.expanded .phase-chevron {
    transform: rotate(-180deg);
}

.phase-index {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.phase-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.phase-status-badge {
    font-size: 0.7rem;
    font-weight: 400;
}
.status-complete { color: var(--text-primary); font-weight: 600; }
.status-progress { color: var(--text-muted); }
.status-planned { color: var(--text-muted); opacity: 0.5; }

/* In-Memory Dropdown View Drawers */
.phase-lessons-drawer {
    display: none;
    padding-bottom: 0.75rem;
    padding-left: 1.25rem;
}

.phase-row-node.expanded .phase-lessons-drawer {
    display: flex;
    flex-direction: column;
}

.lesson-row-item {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.25rem 0;
}

.lesson-row-item code {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-primary);
    background-color: #f5f5f7;
    padding: 0.05rem 0.25rem;
    border-radius: 3px;
    margin-right: 0.4rem;
}

/* 📥 Shared Components Inputs & Table Overrides */
.cyber-input-field {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border-flat);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    outline: none;
    background-color: #ffffff;
    color: #000000;
}

.action-trigger-btn {
    background-color: #1d1d1f;
    color: #ffffff;
    border: 1px solid #1d1d1f;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
}
.action-trigger-btn:hover { background-color: #000000; }

.spec-item {
    padding: 0.6rem;
    border: 1px solid var(--border-flat);
    border-radius: 4px;
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
}

/* Flat Reference Grid Sheets */
.data-table-container table {
    width: 100%;
    border-collapse: collapse;
}

.data-table-container th {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--text-primary);
    padding: 0.5rem;
    text-align: left;
}

.data-table-container td {
    padding: 0.65rem 0.5rem;
    border-bottom: 1px solid var(--border-flat);
    vertical-align: top;
}

/* 🐋 Loading Indication Macros */
.loading-matrix-trace {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.spinner-token {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border-flat);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Universal Footer Colophons */
.crypto-footer {
    border-top: 1px solid var(--border-flat);
    padding: 1.5rem 2.5rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-muted);
    background-color: var(--bg-canvas);
}