// Cyrene ethend — Material Design 3 Vector Icon Library
// Usage: icon('home', 18) → '<svg class="md-icon" .../>'
(function() {
  const PATHS = {
    // Navigation
    home:           'M10 20v-6h4v6h5v-8h3L12 3 2 12h3v8z',
    menu:           'M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z',
    apps:           'M4 8h4V4H4v4zm6 12h4v-4h-4v4zm-6 0h4v-4H4v4zm0-6h4v-4H4v4zm6 0h4v-4h-4v4zm6-10v4h4V4h-4zm-6 4h4V4h-4v4zm6 6h4v-4h-4v4zm0 6h4v-4h-4v4z',
    monitor:        'M20 3H4c-1.1 0-2 .9-2 2v11c0 1.1.9 2 2 2h3l-1 1v2h12v-2l-1-1h3c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 13H4V5h16v11z',
    bar_chart:      'M5 9.2h3V19H5zM10.6 5h2.8v14h-2.8zm5.6 8H19v6h-2.8z',
    database:       'M12 3C7.58 3 4 4.79 4 7v10c0 2.21 3.58 4 8 4s8-1.79 8-4V7c0-2.21-3.58-4-8-4zm0 2c3.87 0 6 1.5 6 2s-2.13 2-6 2-6-1.5-6-2 2.13-2 6-2zM6 12c0 .5 2.13 2 6 2s6-1.5 6-2v2.5c0 .5-2.13 2-6 2s-6-1.5-6-2V12zm0 5c0 .5 2.13 2 6 2s6-1.5 6-2v2.5c0 .5-2.13 2-6 2s-6-1.5-6-2V17z',
    link:           'M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z',
    build:          'M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z',
    settings:       'M19.14 12.94c.04-.3.06-.61.06-.94 0-.32-.02-.64-.07-.94l2.03-1.58a.49.49 0 00.12-.61l-1.92-3.32a.488.488 0 00-.59-.22l-2.39.96c-.5-.38-1.03-.7-1.62-.94l-.36-2.54a.484.484 0 00-.48-.41h-3.84c-.24 0-.43.17-.47.41l-.36 2.54c-.59.24-1.13.57-1.62.94l-2.39-.96c-.22-.08-.47 0-.59.22L2.74 8.87c-.12.21-.08.47.12.61l2.03 1.58c-.05.3-.07.62-.07.94s.02.64.07.94l-2.03 1.58a.49.49 0 00-.12.61l1.92 3.32c.12.22.37.29.59.22l2.39-.96c.5.38 1.03.7 1.62.94l.36 2.54c.05.24.24.41.48.41h3.84c.24 0 .44-.17.47-.41l.36-2.54c.59-.24 1.13-.56 1.62-.94l2.39.96c.22.08.47 0 .59-.22l1.92-3.32c.12-.22.07-.47-.12-.61l-2.01-1.58zM12 15.6c-1.98 0-3.6-1.62-3.6-3.6s1.62-3.6 3.6-3.6 3.6 1.62 3.6 3.6-1.62 3.6-3.6 3.6z',
    memory:         'M15 9H9v6h6V9zm-2 4h-2v-2h2v2zm8-2V9h-2V7c0-1.1-.9-2-2-2h-2V3h-2v2h-2V3H9v2H7c-1.1 0-2 .9-2 2v2H3v2h2v2H3v2h2v2c0 1.1.9 2 2 2h2v2h2v-2h2v2h2v-2h2c1.1 0 2-.9 2-2v-2h2v-2h-2v-2h2zm-4 6H7V7h10v10z',
    psychiatry:     'M13 3c-4.97 0-9 4.03-9 9H1l3.89 3.89.07.14L9 12H6c0-3.87 3.13-7 7-7s7 3.13 7 7-3.13 7-7 7c-1.93 0-3.68-.79-4.94-2.06l-1.42 1.42A8.954 8.954 0 0013 21a9 9 0 000-18zm-1 5v5h2v-5h-2zm0 7v2h2v-2h-2z',
    smart_toy:      'M20 9V7c0-1.1-.9-2-2-2h-3c0-1.66-1.34-3-3-3S9 3.34 9 5H6c-1.1 0-2 .9-2 2v2c-1.66 0-3 1.34-3 3s1.34 3 3 3v4c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2v-4c1.66 0 3-1.34 3-3s-1.34-3-3-3zM7.5 11.5c0-.83.67-1.5 1.5-1.5s1.5.67 1.5 1.5S9.83 13 9 13s-1.5-.67-1.5-1.5zM16 17H8v-2h8v2zm-1-4c-.83 0-1.5-.67-1.5-1.5S14.17 10 15 10s1.5.67 1.5 1.5S15.83 13 15 13z',
    // Status
    schedule:       'M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm.5-13H11v6l5.25 3.15.75-1.23-4.5-2.67z',
    check_circle:   'M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z',
    error_outline:  'M11 15h2v2h-2v-2zm0-8h2v6h-2V7zm.99-5C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8z',
    warning_amber:  'M12 5.99L19.53 19H4.47L12 5.99M12 2L1 21h22L12 2zm1 14h-2v2h2v-2zm0-4h-2v4h2v-4z',
    hourglass_bottom:'M18 7V4h2V2H4v2h2v3c0 2.09 1.07 3.93 2.69 5A5.98 5.98 0 006 17v3H4v2h16v-2h-2v-3c0-2.09-1.07-3.93-2.69-5A5.98 5.98 0 0018 7z',
    circle:         'M12 2C6.47 2 2 6.47 2 12s4.47 10 10 10 10-4.47 10-10S17.53 2 12 2z',
    // Actions
    refresh:        'M17.65 6.35A7.958 7.958 0 0012 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08A5.99 5.99 0 0112 18c-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z',
    play_arrow:     'M8 5v14l11-7z',
    stop:           'M6 6h12v12H6z',
    restart_alt:    'M12 5V1L7 6l5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6H4c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z',
    favorite:       'M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z',
    delete:         'M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z',
    search:         'M15.5 14h-.79l-.28-.27A6.471 6.471 0 0016 9.5 6.5 6.5 0 109.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z',
    add:            'M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z',
    edit:           'M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04a.996.996 0 000-1.41l-2.34-2.34a.996.996 0 00-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z',
    close:          'M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z',
    save:           'M17 3H5a2 2 0 00-2 2v14a2 2 0 002 2h14c1.1 0 2-.9 2-2V7l-4-4zm-5 16c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3zm3-10H5V5h10v4z',
    power_settings_new:'M13 3h-2v10h2V3zm4.83 2.17l-1.42 1.42A6.938 6.938 0 0119 12c0 3.87-3.13 7-7 7A6.995 6.995 0 017.58 6.58L6.17 5.17A8.959 8.959 0 003 12a9 9 0 0018 0c0-2.74-1.23-5.18-3.17-6.83z',
    download:       'M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z',
    upload:         'M9 16h6v-6h4l-7-7-7 7h4zm-4 2h14v2H5z',
    // IoT
    ac_unit:        'M22 11h-4.17l3.24-3.24-1.41-1.42L15 11h-2V9l4.66-4.66-1.42-1.41L13 6.17V2h-2v4.17L7.76 2.93 6.34 4.34 11 9v2H9L4.34 6.34 2.93 7.76 6.17 11H2v2h4.17l-3.24 3.24 1.41 1.42L9 13h2v2l-4.66 4.66 1.42 1.41L11 17.83V22h2v-4.17l3.24 3.24 1.42-1.41L13 15v-2h2l4.66 4.66 1.41-1.42L17.83 13H22v-2z',
    lightbulb:      'M9 21c0 .55.45 1 1 1h4c.55 0 1-.45 1-1v-1H9v1zm3-19C8.14 2 5 5.14 5 9c0 2.38 1.19 4.47 3 5.74V17c0 .55.45 1 1 1h6c.55 0 1-.45 1-1v-2.26c1.81-1.27 3-3.36 3-5.74 0-3.86-3.14-7-7-7zm2.85 11.1l-.85.6V16h-4v-2.3l-.85-.6C7.8 12.16 7 10.63 7 9c0-2.76 2.24-5 5-5s5 2.24 5 5c0 1.63-.8 3.16-2.15 4.1z',
    lock:           'M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z',
    sensors:        'M7.76 16.24C6.67 15.16 6 13.66 6 12s.67-3.16 1.76-4.24l1.42 1.42C8.45 9.9 8 10.9 8 12c0 1.1.45 2.1 1.17 2.83l-1.41 1.41zm8.48 0C17.33 15.16 18 13.66 18 12s-.67-3.16-1.76-4.24l-1.42 1.42C15.55 9.9 16 10.9 16 12c0 1.1-.45 2.1-1.17 2.83l1.41 1.41zM12 10c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm8 2c0 2.21-.9 4.21-2.35 5.65l1.42 1.42C20.88 17.26 22 14.76 22 12s-1.12-5.26-2.93-7.07l-1.42 1.42A7.94 7.94 0 0120 12zM6.35 6.35L4.93 4.93C3.12 6.74 2 9.24 2 12s1.12 5.26 2.93 7.07l1.42-1.42A7.94 7.94 0 014 12c0-2.21.9-4.21 2.35-5.65z',
    thermostat:     'M15 13V5c0-1.66-1.34-3-3-3S9 3.34 9 5v8c-1.21.91-2 2.37-2 4 0 2.76 2.24 5 5 5s5-2.24 5-5c0-1.63-.79-3.09-2-4zm-4-8c0-.55.45-1 1-1s1 .45 1 1h-1v1h1v2h-1v1h1v2h-2V5z',
    // Communication
    person:         'M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z',
    chat:           'M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zm0 14H6l-2 2V4h16v12z',
    mic:            'M12 14c1.66 0 3-1.34 3-3V5c0-1.66-1.34-3-3-3S9 3.34 9 5v6c0 1.66 1.34 3 3 3zm5.91-3c-.49 0-.9.36-.98.85C16.52 14.2 14.47 16 12 16s-4.52-1.8-4.93-4.15a.998.998 0 00-.98-.85c-.61 0-1.09.54-1 1.14.49 3 2.89 5.35 5.91 5.78V20c0 .55.45 1 1 1s1-.45 1-1v-2.08a6.993 6.993 0 005.91-5.78c.1-.6-.39-1.14-1-1.14z',
    devices_other:  'M3 6h18V4H3c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h4v-2H3V6zm10 6H9v1.78c-.61.55-1 1.33-1 2.22 0 .89.39 1.67 1 2.22V20h4v-1.78c.61-.55 1-1.34 1-2.22s-.39-1.67-1-2.22V12zm-2 5.5c-.83 0-1.5-.67-1.5-1.5s.67-1.5 1.5-1.5 1.5.67 1.5 1.5-.67 1.5-1.5 1.5zM22 8h-6c-.5 0-1 .5-1 1v10c0 .5.5 1 1 1h6c.5 0 1-.5 1-1V9c0-.5-.5-1-1-1zm-1 10h-4v-8h4v8z',
    extension:      'M20.5 11H19V7c0-1.1-.9-2-2-2h-4V3.5a2.5 2.5 0 00-5 0V5H4c-1.1 0-1.99.9-1.99 2v3.8H3.5c1.49 0 2.7 1.21 2.7 2.7s-1.21 2.7-2.7 2.7H2V20c0 1.1.9 2 2 2h3.8v-1.5c0-1.49 1.21-2.7 2.7-2.7 1.49 0 2.7 1.21 2.7 2.7V22H17c1.1 0 2-.9 2-2v-4h1.5a2.5 2.5 0 000-5z',
    deployed_code:  'M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zM9.5 16.5v-9l7 4.5-7 4.5z',
    // Misc
    star:           'M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z',
    push_pin:       'M16 9V4h1c.55 0 1-.45 1-1s-.45-1-1-1H7c-.55 0-1 .45-1 1s.45 1 1 1h1v5c0 1.66-1.34 3-3 3v2h5.97v7l1 1 1-1v-7H19v-2c-1.66 0-3-1.34-3-3z',
    list_alt:       'M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V5h14v14zM7 8h10v2H7V8zm0 4h10v2H7v-2zm0 4h7v2H7v-2z',
    inventory_2:    'M20 2H4c-1 0-2 .9-2 2v3.01c0 .72.43 1.34 1 1.69V20c0 1.1 1.1 2 2 2h14c.9 0 2-.9 2-2V8.7c.57-.35 1-.97 1-1.69V4c0-1.1-1-2-2-2zm-1 18H5V9h14v11zm1-13H4V4h16v3z',
    task_alt:       'M9 16.2L4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z',
    edit_note:      'M3 10h11v2H3v-2zm0-4h11v2H3V6zm0 8h7v2H3v-2zm14-1v-2h-2v2h-2v2h2v2h2v-2h2v-2h-2z',
    mail_outline:   'M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 14H4V8l8 5 8-5v10zm-8-7L4 6h16l-8 5z',
    bolt:           'M14 2H6L2 14h8l-2 8 12-12h-8l4-8z',
    calendar_month: 'M19 4h-1V2h-2v2H8V2H6v2H5c-1.11 0-1.99.9-1.99 2L3 20a2 2 0 002 2h14c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 16H5V10h14v10zM9 14H7v2h2v-2zm4 0h-2v2h2v-2zm4 0h-2v2h2v-2zm-8 4H7v2h2v-2zm4 0h-2v2h2v-2zm4 0h-2v2h2v-2z',
    menu_book:      'M21 5c-1.11-.35-2.33-.5-3.5-.5-1.95 0-4.05.4-5.5 1.5-1.45-1.1-3.55-1.5-5.5-1.5S2.45 4.9 1 6v14.65c0 .25.25.5.5.5.1 0 .15-.05.25-.05C3.1 20.45 5.05 20 6.5 20c1.95 0 4.05.4 5.5 1.5 1.35-.85 3.8-1.5 5.5-1.5 1.65 0 3.35.3 4.75 1.05.1.05.15.05.25.05.25 0 .5-.25.5-.5V6c-.6-.45-1.25-.75-2-1zm0 13.5c-1.1-.35-2.3-.5-3.5-.5-1.7 0-4.15.65-5.5 1.5V8c1.35-.85 3.8-1.5 5.5-1.5 1.2 0 2.4.15 3.5.5v11.5z',
    trending_flat:  'M22 12l-4-4v3H3v2h15v3z',
    trending_up:    'M16 6l2.29 2.29-4.88 4.88-4-4L2 16.59 3.41 18l6-6 4 4 6.3-6.29L22 12V6z',
    trending_down:  'M16 18l2.29-2.29-4.88-4.88-4 4L2 7.41 3.41 6l6 6 4-4 6.3 6.29L22 12v6z',
    diamond:        'M19 3H5L2 9l10 12L22 9l-3-6zM9.62 8L12 5.67 14.38 8H9.62z',
    timer:          'M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm.5-13H11v6l5.2 3.2.8-1.3-4.5-2.7V7z',
    volume_up:      'M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z',
  };

  window.icon = function(name, size) {
    var path = PATHS[name];
    if (!path) return '<!--icon:'+name+'-->';
    var s = size || 20;
    return '<svg class="md-icon" width="'+s+'" height="'+s+'" viewBox="0 0 24 24" fill="currentColor"><path d="'+path+'"/></svg>';
  };
})();

// Runtime emoji→icon replacement on page load
document.addEventListener('DOMContentLoaded', function() {
  const MAP = {
    '🏠': 'home', '🧠': 'memory', '💬': 'chat', '💭': 'psychiatry',
    '⏱️': 'schedule', '⏱': 'schedule', '🖥': 'monitor', '📊': 'bar_chart',
    '🗄️': 'database', '🔗': 'link', '🔧': 'build', '🎤': 'mic',
    '🔌': 'extension', '📱': 'devices_other', '🤖': 'smart_toy',
    '📡': 'sensors', '⚡': 'bolt', '💻': 'monitor', '🛠️': 'settings',
    '▶': 'play_arrow', '⏹': 'stop', '🔄': 'refresh', '🔁': 'restart_alt',
    '🔍': 'search', '🗑': 'delete', '✏': 'edit', '💾': 'save', '➕': 'add', '❌': 'close',
    '✅': 'check_circle', '⚠️': 'warning_amber', '⚠': 'warning_amber', '📭': 'mail_outline', '⏳': 'hourglass_bottom',
    '💡': 'lightbulb', '🎯': 'task_alt', '📥': 'download', '📤': 'upload', '👤': 'person',
    '📝': 'edit_note', '📋': 'list_alt', '📄': 'menu_book', '⏰': 'schedule', '📅': 'calendar_month',
    '🔔': 'notifications', '⭐': 'star', '❤️': 'favorite', '❤': 'favorite', '🎵': 'volume_up',
    '🌡️': 'thermostat', '💧': 'ac_unit', '🔒': 'lock', '🔓': 'lock', '📌': 'push_pin', '🐳': 'deployed_code',
    '📚': 'menu_book', '🔴': 'circle', '🔀': 'refresh', '⚙': 'settings', '📁': 'inventory_2',
    '📦': 'inventory_2', '🔨': 'build', '💜': 'favorite', '✕': 'close',
    '🏷': 'list_alt', '🤔': 'psychiatry', '○': 'circle', '💕': 'favorite',
    '★': 'star', '☆': 'star', '✓': 'check_circle', '✗': 'close', '🎙': 'mic',
    '🕐': 'schedule', '↓': 'trending_down', '↑': 'trending_up', '→': 'trending_flat',
    '📭': 'mail_outline'
  };

  function replaceIn(el) {
    if (!el) return;
    // Text nodes
    for (var i = 0; i < (el.childNodes || []).length; i++) {
      var node = el.childNodes[i];
      if (node.nodeType === 3 && node.textContent) {
        var text = node.textContent;
        var changed = false;
        for (var emoji in MAP) {
          if (text.indexOf(emoji) >= 0) {
            text = text.split(emoji).join('');
            changed = true;
            // Insert icon before the text node
            var span = document.createElement('span');
            span.innerHTML = icon(MAP[emoji], 16);
            span.style.cssText = 'vertical-align:middle;display:inline-flex;align-items:center';
            node.parentNode.insertBefore(span, node);
          }
        }
        if (changed && text.trim()) {
          node.textContent = text;
        } else if (changed) {
          node.textContent = '';
        }
      } else if (node.nodeType === 1) {
        // Skip script/style/icon elements
        if (!/SCRIPT|STYLE|SVG|PATH/i.test(node.tagName)) {
          replaceIn(node);
        }
      }
    }
  }

  // Debounce for dynamic content
  var timer;
  var observer = new MutationObserver(function() {
    clearTimeout(timer);
    timer = setTimeout(function() { replaceIn(document.body); }, 200);
  });
  observer.observe(document.body, { childList: true, subtree: true, characterData: true });

  // Initial run
  replaceIn(document.body);
});