/**
 * Curated art-history annotations for painting detail overlays.
 * Each entry: { artist, title, annotations: [{ label, body, category, pos_x?, pos_y?, source_* }] }
 */
module.exports = [
  {
    artist: 'Leonardo da Vinci',
    title: 'Mona Lisa',
    annotations: [
      {
        label: 'Sfumato',
        body: 'Leonardo dissolves hard edges into smoky transitions, letting light model the face without outline.',
        category: 'technique',
        pos_x: 48,
        pos_y: 38,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Landscape',
        body: 'The winding paths and hazy mountains behind the sitter use aerial perspective to push space into depth.',
        category: 'composition',
        pos_x: 72,
        pos_y: 68,
        source_author: 'National Gallery',
        source: 'Leonardo da Vinci: The Mona Lisa',
        source_url: 'https://www.nationalgallery.org.uk/paintings/leonardo-da-vinci-the-mona-lisa',
      },
      {
        label: 'Enigmatic smile',
        body: 'The mouth’s subtle turn became a touchstone for Renaissance discussions of inner life and portraiture.',
        category: 'subject',
        pos_x: 52,
        pos_y: 52,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Leonardo da Vinci',
    title: 'The Last Supper',
    annotations: [
      {
        label: 'Perspective',
        body: 'Orthogonal lines converge on Christ’s head, anchoring the drama in a mathematically ordered refectory.',
        category: 'composition',
        pos_x: 50,
        pos_y: 42,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Gesture',
        body: 'Each apostle reacts with a distinct bodily pose, turning the moment of betrayal into readable human psychology.',
        category: 'subject',
        pos_x: 28,
        pos_y: 55,
        source_author: 'H. W. Janson',
        source: 'History of Art',
      },
    ],
  },
  {
    artist: 'Michelangelo',
    title: 'The Creation of Adam',
    annotations: [
      {
        label: 'The spark',
        body: 'God and Adam reach across a gap barely bridged by touching fingers—the instant before life is given.',
        category: 'symbolism',
        pos_x: 62,
        pos_y: 48,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Anatomy',
        body: 'Adam’s body echoes antique sculpture while God’s billowing mantle suggests the brain’s form in Renaissance thought.',
        category: 'technique',
        pos_x: 38,
        pos_y: 58,
        source_author: 'Michelangelo: Divine Draftsman and Designer',
        source: 'The Metropolitan Museum of Art',
        source_url: 'https://www.metmuseum.org/exhibitions/listings/2017/michelangelo',
      },
    ],
  },
  {
    artist: 'Raphael',
    title: 'The School of Athens',
    annotations: [
      {
        label: 'Architecture',
        body: 'A grand Bramante-like vault frames philosophers as actors on a classical stage of reason.',
        category: 'composition',
        pos_x: 50,
        pos_y: 22,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Plato & Aristotle',
        body: 'Plato points upward to ideals; Aristotle gestures earthward—two paths of knowledge in dialogue.',
        category: 'symbolism',
        pos_x: 54,
        pos_y: 52,
        source_author: 'Stanford Encyclopedia of Philosophy',
        source: 'Plato and Aristotle in Raphael\'s School of Athens',
        source_url: 'https://plato.stanford.edu/entries/plato/',
      },
    ],
  },
  {
    artist: 'Vincent van Gogh',
    title: 'The Starry Night',
    annotations: [
      {
        label: 'Swirling sky',
        body: 'Thick, rhythmic strokes turn the night into an animated force rather than a static backdrop.',
        category: 'technique',
        pos_x: 50,
        pos_y: 28,
        source_author: 'Museum of Modern Art',
        source: 'Vincent van Gogh: The Starry Night',
        source_url: 'https://www.moma.org/collection/works/79802',
      },
      {
        label: 'Cypress',
        body: 'The dark flame-like tree links earth and heaven, a traditional symbol of mourning and eternity.',
        category: 'symbolism',
        pos_x: 22,
        pos_y: 62,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Village',
        body: 'The quiet hamlet below contrasts with the turbulent heavens, suggesting inner turmoil against outward calm.',
        category: 'subject',
        pos_x: 48,
        pos_y: 78,
        source_author: 'Van Gogh Museum',
        source: 'Collection catalogue',
        source_url: 'https://www.vangoghmuseum.nl/en/collection/s0176V1962',
      },
    ],
  },
  {
    artist: 'Rembrandt',
    title: 'The Night Watch',
    annotations: [
      {
        label: 'Chiaroscuro',
        body: 'A sharp light picks out faces and weapons from deep shadow, heightening the militia’s forward motion.',
        category: 'technique',
        pos_x: 42,
        pos_y: 45,
        source_author: 'Rijksmuseum',
        source: 'The Night Watch',
        source_url: 'https://www.rijksmuseum.nl/en/collection/SK-C-5',
      },
      {
        label: 'Group portrait',
        body: 'Rembrandt breaks the static row format—figures overlap and move, turning a commission into narrative action.',
        category: 'composition',
        pos_x: 58,
        pos_y: 55,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Vermeer',
    title: 'Girl with a Pearl Earring',
    annotations: [
      {
        label: 'Pearl',
        body: 'A single highlight on the earring demonstrates Vermeer’s control of light on a tiny reflective surface.',
        category: 'technique',
        pos_x: 58,
        pos_y: 52,
        source_author: 'Mauritshuis',
        source: 'Girl with a Pearl Earring',
        source_url: 'https://www.mauritshuis.nl/en/our-collection/artworks/670-girl-with-a-pearl-earring/',
      },
      {
        label: 'Turned glance',
        body: 'The sitter looks over her shoulder as if interrupted—a intimate moment rare in formal Dutch portraiture.',
        category: 'subject',
        pos_x: 46,
        pos_y: 38,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Diego Velázquez',
    title: 'Las Meninas',
    annotations: [
      {
        label: 'Mirror',
        body: 'The reflected king and queen place the viewer where royalty would stand, collapsing court and spectator.',
        category: 'symbolism',
        pos_x: 72,
        pos_y: 42,
        source_author: 'Museo del Prado',
        source: 'Las Meninas',
        source_url: 'https://www.museodelprado.es/en/the-collection/art-work/las-meninas',
      },
      {
        label: 'Painter',
        body: 'Velázquez inserts himself at the easel, making painting itself the subject of a royal chamber scene.',
        category: 'history',
        pos_x: 18,
        pos_y: 48,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Pablo Picasso',
    title: 'Guernica',
    annotations: [
      {
        label: 'Monochrome',
        body: 'Grey, black, and white evoke newspaper reportage, tying the mural to the bombing’s documentary shock.',
        category: 'technique',
        pos_x: 50,
        pos_y: 35,
        source_author: 'Museo Reina Sofía',
        source: 'Guernica',
        source_url: 'https://www.museoreinasofia.es/en/collection/artwork/guernica',
      },
      {
        label: 'Broken forms',
        body: 'Cubist fragmentation shatters bodies and tools into signs of suffering rather than readable illusion.',
        category: 'composition',
        pos_x: 35,
        pos_y: 58,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Bull & horse',
        body: 'Spanish symbols of brutality and the people collide in a tableau Picasso designed as political testimony.',
        category: 'symbolism',
        pos_x: 68,
        pos_y: 62,
        source_author: 'H. W. Janson',
        source: 'History of Art',
      },
    ],
  },
  {
    artist: 'Claude Monet',
    title: 'Impression, Sunrise',
    annotations: [
      {
        label: 'Loose brushwork',
        body: 'Quick strokes suggest the harbor rather than describing it—giving a critic the name “Impressionism.”',
        category: 'technique',
        pos_x: 55,
        pos_y: 40,
        source_author: 'Musée Marmottan Monet',
        source: 'Impression, Sunrise',
        source_url: 'https://www.marmottan.fr/en/collections/impression-sunrise',
      },
      {
        label: 'Orange sun',
        body: 'The sun’s reflection on water becomes the focal note against a cool, industrial Le Havre skyline.',
        category: 'composition',
        pos_x: 38,
        pos_y: 32,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Jan van Eyck',
    title: 'The Arnolfini Portrait',
    annotations: [
      {
        label: 'Mirror',
        body: 'The convex mirror reflects two additional figures—often read as witnesses to a marital contract.',
        category: 'symbolism',
        pos_x: 78,
        pos_y: 38,
        source_author: 'National Gallery',
        source: 'The Arnolfini Portrait',
        source_url: 'https://www.nationalgallery.org.uk/paintings/jan-van-eyck-the-arnolfini-portrait',
      },
      {
        label: 'Oil detail',
        body: 'Van Eyck layers transparent glazes to render textures from fur to brass with microscopic clarity.',
        category: 'technique',
        pos_x: 45,
        pos_y: 72,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Sandro Botticelli',
    title: 'The Birth of Venus',
    annotations: [
      {
        label: 'Classical myth',
        body: 'Venus arrives on a shell, reviving antique pagan beauty for Medici Florence.',
        category: 'subject',
        pos_x: 52,
        pos_y: 48,
        source_author: 'Uffizi Galleries',
        source: 'Birth of Venus',
        source_url: 'https://www.uffizi.it/en/artworks/birth-of-venus',
      },
      {
        label: 'Linear grace',
        body: 'Flowing outlines and floating figures prioritize decorative rhythm over solid Renaissance volume.',
        category: 'composition',
        pos_x: 30,
        pos_y: 55,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Andrei Rublev',
    title: 'Trinity',
    annotations: [
      {
        label: 'Icon symmetry',
        body: 'Three angels share a single table in near-perfect balance, expressing theological unity through form.',
        category: 'composition',
        pos_x: 50,
        pos_y: 50,
        source_author: 'Tretyakov Gallery',
        source: 'The Trinity by Andrei Rublev',
        source_url: 'https://www.tretyakovgallery.ru/en/collection/_show/image/_id/208',
      },
      {
        label: 'Reverse perspective',
        body: 'Lines subtly open toward the viewer, inviting contemplation into the sacred space rather than away from it.',
        category: 'technique',
        pos_x: 50,
        pos_y: 72,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Edvard Munch',
    title: 'The Scream',
    annotations: [
      {
        label: 'Wavy horizon',
        body: 'Undulating lines transmit inner anxiety into the landscape itself—a key Symbolist device.',
        category: 'technique',
        pos_x: 50,
        pos_y: 30,
        source_author: 'Munch Museum',
        source: 'The Scream',
        source_url: 'https://www.munchmuseet.no/en/the-scream/',
      },
      {
        label: 'Open mouth',
        body: 'The figure’s silent shriek became an emblem of modern alienation in fin-de-siècle Europe.',
        category: 'symbolism',
        pos_x: 48,
        pos_y: 42,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Salvador Dalí',
    title: 'The Persistence of Memory',
    annotations: [
      {
        label: 'Soft watches',
        body: 'Liquid clocks parody rigid time, linking Surrealist dream logic to Einstein’s relativity in popular imagination.',
        category: 'symbolism',
        pos_x: 42,
        pos_y: 62,
        source_author: 'Museum of Modern Art',
        source: 'The Persistence of Memory',
        source_url: 'https://www.moma.org/collection/works/79018',
      },
      {
        label: 'Dead landscape',
        body: 'The barren Catalonian coast stretches behind the table, grounding impossible objects in precise illusionism.',
        category: 'composition',
        pos_x: 55,
        pos_y: 28,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
    ],
  },
  {
    artist: 'Caravaggio',
    title: 'The Calling of Saint Matthew',
    annotations: [
      {
        label: 'Tenebrism',
        body: 'A beam of light cuts the tavern darkness to isolate Christ’s gesture and Matthew’s hesitation.',
        category: 'technique',
        pos_x: 62,
        pos_y: 38,
        source_author: 'E. H. Gombrich',
        source: 'The Story of Art',
      },
      {
        label: 'Everyday setting',
        body: 'Sacred drama unfolds among ordinary tax collectors, a Counter-Reformation strategy to make faith immediate.',
        category: 'history',
        pos_x: 40,
        pos_y: 58,
        source_author: 'San Luigi dei Francesi',
        source: 'Contarelli Chapel cycle',
        source_url: 'https://www.sanluigideifrancesi.it/en/contarelli-chapel/',
      },
    ],
  },
];