/* Educational Technology Ecosystem Stylesheet
 * ============================================
 * Concentric ring layout with learner at center
 */

/* ===========================================
   RESET & BASE STYLES
   =========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

/* ===========================================
   MAIN CONTAINER & NETWORK CANVAS
   =========================================== */
.container {
    position: relative;
    width: 100%;
    height: 100vh;
}

#network {
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;
}

/* ===========================================
   TITLE (Top Center)
   =========================================== */
.title {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
    font-weight: bold;
    color: #333;
    background-color: rgba(245, 245, 245, 0.9);
    padding: 5px 15px;
    border-radius: 5px;
    z-index: 10;
}

/* ===========================================
   LEGEND (Upper Left)
   =========================================== */
.legend {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 10px 12px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 10;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 5px 0;
    font-size: 12px;
}

.legend-color {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-right: 8px;
    border: 2px solid #333;
}

/* Color scheme for the ecosystem rings */
.color-learner { background-color: #FF8C00; }  /* Warm orange for learner */
.color-inner { background-color: #3498DB; }    /* Bright educational blue */
.color-middle { background-color: #27AE60; }   /* Supportive green */
.color-outer { background-color: #7F8C8D; }    /* Infrastructure gray */

/* ===========================================
   RIGHT PANEL (Info Display)
   =========================================== */
.right-panel {
    position: absolute;
    top: 50px;
    right: 10px;
    width: 220px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
}

/* ===========================================
   INFO PANEL
   =========================================== */
.info-panel {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    max-height: 400px;
    overflow-y: auto;
}

.info-title {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid #ddd;
}

.info-text {
    font-size: 13px;
    line-height: 1.6;
}

.info-text p {
    margin-bottom: 10px;
}

.info-text ul {
    margin: 10px 0;
    padding-left: 20px;
}

.info-text li {
    margin: 5px 0;
}

.info-category {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    color: white;
    margin-bottom: 8px;
}

.category-learner { background-color: #FF8C00; }
.category-inner { background-color: #3498DB; }
.category-middle { background-color: #27AE60; }
.category-outer { background-color: #7F8C8D; }

/* ===========================================
   EDIT MODE INDICATOR
   =========================================== */
.edit-indicator {
    display: none;  /* Hidden by default, shown via JS in edit mode */
    position: absolute;
    top: 10px;
    right: 300px;
    background-color: #e74c3c;
    color: white;
    padding: 8px 16px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 14px;
    z-index: 20;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===========================================
   SAVE CONTROLS
   =========================================== */
.save-controls {
    display: none;  /* Hidden by default, shown via JS in edit mode */
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    justify-content: center;
}

.btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-save {
    background-color: #27AE60;
    color: white;
    width: 100%;
}

.btn-save:hover {
    background-color: #1E8449;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn-save:active {
    transform: translateY(0);
}

/* ===========================================
   RESPONSIVE STYLES
   =========================================== */
@media (max-width: 768px) {
    .title {
        font-size: 16px;
        top: 5px;
    }

    .legend {
        padding: 6px 8px;
        max-width: 180px;
    }

    .legend-item {
        font-size: 10px;
    }

    .legend-color {
        width: 14px;
        height: 14px;
    }

    .right-panel {
        width: 220px;
        top: 40px;
    }

    .info-panel {
        padding: 10px;
    }

    .info-title {
        font-size: 14px;
    }

    .info-text {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .legend {
        display: none;
    }

    .right-panel {
        width: 180px;
    }
}