/* shared styles */
* { box-sizing: border-box; }
html, body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--chrome-bg, #0f1419); color: var(--chrome-fg, #e5e7eb); }

/* editor header */
.editor-header { 
  display: flex; align-items: center; gap: 1rem; padding: 0.75rem 1rem; 
  background: var(--chrome-bg, #1a1f27); border-bottom: 1px solid var(--chrome-border, #2a2f37); flex-wrap: wrap; 
}
.editor-brand a { color: #7c3aed; font-weight: 700; font-size: 1.5rem; text-decoration: none; }
.brand-logo svg { width: 28px; height: 28px; display: block; }
.editor-controls { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.editor-controls input, .editor-controls select { 
  background: var(--chrome-input-bg, #1e2430); border: 1px solid var(--chrome-border, #3a3f47); color: var(--chrome-fg, #e5e7eb); 
  padding: 0.35rem 0.6rem; border-radius: 6px; font-size: 0.85rem; 
}
.editor-controls input { width: 140px; }
.btn-primary { 
  background: var(--accent, #7c3aed); color: #fff; border: none; padding: 0.4rem 1rem; 
  border-radius: 0px; cursor: pointer; font-weight: 700; font-size: 0.85rem; 
  letter-spacing: 0.5px; height: 48px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
}
.btn-primary:hover { background: var(--accent-hover, #6d28d9); }
.btn-secondary { 
  background: var(--chrome-input-bg, #374151); color: var(--chrome-fg, #e5e7eb); border: 1px solid var(--chrome-border, #4b5563); 
  padding: 0.35rem 0.8rem; border-radius: 0px; cursor: pointer; font-weight: 700; font-size: 0.85rem; letter-spacing: 0.5px; height: 48px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
}
.btn-secondary:hover { background: var(--chrome-hover, #4b5563); }
.editor-edit-code { 
  display: flex; gap: 0.5rem; align-items: center; background: #1e293b; 
  padding: 0.4rem 0.8rem; border-radius: 6px; border: 1px solid #7c3aed33; font-size: 0.8rem; 
}
.editor-edit-code input { 
  background: #0f1419; border: 1px solid #3a3f47; color: #7c3aed; 
  padding: 0.3rem 0.5rem; border-radius: 4px; font-family: monospace; width: 160px; 
}
.edit-code-display { 
  background: #1e293b; border: 1px solid #7c3aed; padding: 0.8rem 1.2rem; 
  border-radius: 8px; margin: 1rem auto; max-width: 500px; text-align: center; font-size: 1.1rem; 
}
.edit-code-display code { color: #7c3aed; font-family: monospace; font-size: 1.3rem; user-select: all; }

/* editor layout */
.editor-layout { display: flex; height: calc(100vh - 70px); }
.editor-main { flex: 1; border-right: 1px solid var(--chrome-border, #2a2f37); display: flex; flex-direction: column; }
#editor { 
  flex: 1; resize: none; border: none; outline: none; padding: 1rem; 
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace; font-size: 0.95rem; 
  background: var(--chrome-input-bg, #0f1419); color: var(--chrome-fg, #e5e7eb); line-height: 1.6; tab-size: 2; 
}
.editor-preview { flex: 1; overflow-y: auto; padding: 1.5rem; background: var(--preview-bg, #fafafa); color: var(--preview-fg, #1f2937); }
.editor-preview h3 { margin-top: 0; border-bottom: 1px solid var(--chrome-border, #e5e7eb); padding-bottom: 0.5rem; color: var(--preview-fg, #1f2937); }
.editor-preview #preview-content { min-height: 100%; color: var(--preview-fg, #1f2937); line-height: 1.7; }

/* encrypt modal */
.encrypt-float { 
  position: fixed; bottom: 2rem; right: 2rem; background: var(--accent, #7c3aed); color: #fff; 
  border: none; padding: 0.7rem 1.2rem; border-radius: 0px; cursor: pointer; 
  font-weight: 700; letter-spacing: 0.5px; height: 48px; min-height: 48px;
}
.encrypt-modal-overlay { 
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; 
  align-items: center; justify-content: center; z-index: 100; 
}
.encrypt-modal { 
  background: var(--chrome-bg, #1a1f27); padding: 1.5rem 2rem; border-radius: 0px; 
  border: 1px solid var(--chrome-border, #7c3aed55); text-align: center; min-width: 320px; 
}
.encrypt-modal h3 { margin-top: 0; color: var(--chrome-fg, #e5e7eb); }
.encrypt-modal input { 
  width: 100%; padding: 0.6rem; background: var(--chrome-input-bg, #0f1419); border: 1px solid var(--chrome-border, #3a3f47); 
  color: var(--chrome-fg, #e5e7eb); border-radius: 0px; margin: 0.8rem 0; font-size: 0.95rem; 
}
.encrypt-modal-actions { display: flex; gap: 0.5rem; justify-content: center; }

/* viewer page */
.viewer-page { background: var(--bg, #ffffff); color: var(--fg, #1f2937); }
.viewer-nav { position: fixed; top: 1rem; right: 1rem; display: flex; gap: 0.5rem; z-index: 50; }
.viewer-nav button { 
  background: var(--chrome-bg, rgba(0,0,0,0.7)); color: var(--chrome-fg, #fff); border: 1px solid var(--chrome-border, rgba(255,255,255,0.2)); 
  padding: 0.4rem 0.7rem; border-radius: 0px; cursor: pointer; font-weight: 700; font-size: 0.85rem; letter-spacing: 0.5px; 
}
.viewer-content { max-width: 800px; margin: 0 auto; padding: 2rem 1rem; line-height: 1.8; }

/* password prompt modal */
.password-modal-overlay { 
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; 
  align-items: center; justify-content: center; z-index: 200; 
}
.password-modal { 
  background: var(--chrome-bg, #1a1f27); padding: 1.5rem 2rem; border-radius: 0px; 
  border: 1px solid var(--chrome-border, #7c3aed55); text-align: center; min-width: 320px; 
}
.password-modal h3 { color: var(--chrome-fg, #e5e7eb); margin-top: 0; }
.password-modal input { 
  width: 100%; padding: 0.6rem; background: var(--chrome-input-bg, #0f1419); border: 1px solid var(--chrome-border, #3a3f47); 
  color: var(--chrome-fg, #e5e7eb); border-radius: 0px; margin: 0.8rem 0; 
}
.password-modal .msg { font-size: 0.85rem; margin-top: 0.5rem; }
.password-modal .msg.error { color: #ef4444; }
.password-modal .msg.success { color: #22c55e; }
.password-modal-actions { display: flex; gap: 0.5rem; justify-content: center; }

/* image rescale tooltip */
img.rescaleable { cursor: crosshair; transition: box-shadow 0.2s; position: relative; }
img.rescaleable:hover { box-shadow: 0 0 0 3px #7c3aed; }
.rescale-tooltip { 
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); 
  background: rgba(0,0,0,0.85); color: #fff; padding: 0.5rem 0.8rem; border-radius: 6px; 
  font-size: 0.75rem; white-space: nowrap; pointer-events: none; z-index: 50; 
}
.rescale-tooltip input[type="range"] { width: 150px; margin: 0.3rem 0 0.1rem; }

/* data elements */
[data-math], [data-chart] { display: block; margin: 1rem 0; }

/* code blocks highlight.js */
.viewer-content pre code { 
  display: block; padding: 1rem; overflow-x: auto; 
  background: var(--code-bg, #1e1e2e); color: var(--code-fg, #cdd6f4); border-radius: 0px; 
  font-family: "SF Mono", "Fira Code", monospace; font-size: 0.85rem; line-height: 1.5; 
}
.viewer-content pre { background: var(--code-bg, #1e1e2e); padding: 1rem; border-radius: 0px; margin: 1rem 0; }
.viewer-content code { background: var(--code-bg, #f3f4f6); color: var(--code-fg, #1f2937); padding: 0.1rem 0.3rem; border-radius: 0px; font-size: 0.88em; }

/* theme overrides for editor preview */
.cm-editor { background: var(--chrome-input-bg, #0f1419) !important; color: var(--chrome-fg, #e5e7eb) !important; }

/* dark/light mode for editor preview */
[data-viewer-mode="dark"] .editor-preview { background: var(--preview-bg, #151b23) !important; color: var(--preview-fg, #f0f0f0) !important; }
[data-viewer-mode="dark"] .editor-preview h3 { border-bottom-color: var(--chrome-border, #333) !important; color: var(--preview-fg, #f0f0f0) !important; }
[data-viewer-mode="dark"] .editor-preview #preview-content { color: var(--preview-fg, #f0f0f0) !important; }
[data-viewer-mode="light"] .editor-preview { background: var(--preview-bg, #fafafa) !important; color: var(--preview-fg, #1f2937) !important; }
[data-viewer-mode="light"] .editor-preview h3 { border-bottom-color: #e5e7eb !important; color: #1f2937 !important; }
[data-viewer-mode="light"] .editor-preview #preview-content { color: #1f2937 !important; }

/* dark/light mode for viewer chrome */
[data-viewer-mode="dark"] .viewer-content { background: transparent; color: var(--chrome-fg, #e5e7eb); }
[data-viewer-mode="dark"] .viewer-content pre { background: var(--code-bg, #131820); }
[data-viewer-mode="dark"] .viewer-content code { background: var(--code-bg, #1e2430); color: var(--code-fg, #e5e7eb); }
[data-viewer-mode="light"] .viewer-content pre { background: var(--code-bg, #f3f4f6); border: 1px solid var(--chrome-border, #e5e7eb); }
[data-viewer-mode="light"] .viewer-content code { background: var(--chrome-border, #e5e7eb); color: #1f2937; }
[data-viewer-mode="dark"] .password-modal h3 { color: var(--chrome-fg, #e5e7eb); }
[data-viewer-mode="light"] .password-modal h3 { color: #1f2937; }
[data-viewer-mode="dark"] .password-modal { background: var(--chrome-bg, #1a1f27); border-color: var(--chrome-border, #7c3aed55); }
[data-viewer-mode="light"] .password-modal { background: #fff; border-color: #7c3aed55; }
[data-viewer-mode="dark"] .password-modal input { background: var(--chrome-input-bg, #0f1419); color: var(--chrome-fg, #e5e7eb); border-color: var(--chrome-border, #3a3f47); }
[data-viewer-mode="light"] .password-modal input { background: #0f1419; color: #e5e7eb; border-color: #3a3f47; }
[data-viewer-mode="dark"] .encrypt-modal { background: var(--chrome-bg, #1a1f27); }
[data-viewer-mode="light"] .encrypt-modal { background: #fff; }
[data-viewer-mode="dark"] .encrypt-modal h3 { color: var(--chrome-fg, #e5e7eb); }
[data-viewer-mode="light"] .encrypt-modal h3 { color: #1f2937; }
[data-viewer-mode="dark"] .encrypt-modal input { background: var(--chrome-input-bg, #0f1419); color: var(--chrome-fg, #e5e7eb); border-color: var(--chrome-border, #3a3f47); }
[data-viewer-mode="light"] .encrypt-modal input { background: #f3f4f6; color: #1f2937; border-color: #e5e7eb; }