custom_css = """
:root, [data-theme="light"] {
  --f1-text: #111827;
  --f1-subtle: #6b7280;
  --f1-border: #e5e7eb;
  --f1-bg: #ffffff;
  --f1-bg-muted: #f9fafb;

  /* Nuke Gradio chrome that interfered with colors */
  --block-border-color: transparent !important;
  --background-fill-primary: transparent !important;
}

/* Width caps */
.f1-container { max-width: 800px; margin: 0 auto; padding: 0 16px; }
.markdown-text { font-size: 16px !important; max-width: 800px; margin: 0 auto; }
#what-is-tab { max-width: 800px; margin-left: auto; margin-right: auto; }
/* requested 710px */
#f1-examples { max-width: 710px; margin: 0 auto; }

/* NEW: landing tab width + tier selector alignment */
/* Landing tab width + tier selector alignment */
#landing-accuracy-tab { max-width: 800px; margin-left: auto; margin-right: auto; }

/* Right-align the switcher row; transparent background & border */
#f1-tier-select-row {
  justify-content: flex-end;
  margin-bottom: 6px;
  background: white !important;
  border: none !important;
}

/* Make the control look like "pills" and force RTL layout */
#f1-tier-select { direction: rtl; }  /* RTL direction (equivalent effect to dir="rtl") */
#f1-tier-select .wrap {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  background: #ffffff;                /* white background for the switcher itself */
  border: 1px solid var(--f1-border);
  border-radius: 999px;
}
#f1-tier-select input[type="radio"] { display: none; }
#f1-tier-select label {
  border: none;
  border-radius: 999px;
  padding: 6px 12px;
  background: transparent;
  cursor: pointer;
}
#f1-tier-select input[type="radio"]:checked + span {
  background: #eef2ff;                /* only selected pill is tinted */
  border-radius: 999px;
  padding: 6px 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

#f1-tier-select-row div { border: none; }

#f1-tier-select { background: white; }

#f1-accuracy-plot label { display: false; }

#learn-more-btn, #learn-more-btn button {
  background: transparent !important;
  border: none !important;
  color: #2563eb !important;
  font-weight: 700 !important;
  font-size: 1.05rem !important;
  padding: 0 !important;
  box-shadow: none !important;
}
#learn-more-btn button:hover { text-decoration: underline !important; background: transparent !important; }

#landing-hero-row {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 8px;
  align-items: center;
}
#landing-hero-left { padding-right: 8px; }
#landing-hero-right { display: flex; justify-content: flex-end; }

/* Blurb text */
.f1-hero { margin: 0; font-size: 1.02rem; color: var(--f1-text); }

/* Learn More pill — compact */
#learn-more-pill,
#learn-more-pill button {
  width: auto !important;
  min-width: 0 !important;
  background: #2563eb !important;
  color: #ffffff !important;
  border: 0 !important;
  border-radius: 999px !important;
  padding: 6px 12px !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06) !important;
  font-weight: 700 !important;
  font-size: 0.95rem !important;
  white-space: nowrap !important;
}
#learn-more-pill button:hover { filter: brightness(0.95) !important; }

#landing-hero-left { min-width: 75%; }

/* Text */
.f1-p, .f1-li { line-height: 1.75; color: #374151; text-wrap: pretty; overflow-wrap: break-word; hyphens: auto; }

/* Headings */
.f1-h1 { font-weight: 700; font-size: 2.25rem; line-height: 2.5rem; color: var(--f1-text); text-align: center; margin-bottom: 1.25rem !important; }
.f1-h2 { font-weight: 700; border-bottom: 1px solid var(--f1-border); padding-bottom: 0.45rem; margin-top: 1.75rem; margin-bottom: 0.9rem; color: var(--f1-text); font-size: 1.5rem; line-height: 2rem; }

/* Links */
.f1-a { color: #2563eb; text-decoration: none; font-weight: 500; }
.f1-a:hover { text-decoration: underline; }

/* Captions (centered + dark) */
.f1-figcaption { margin-top: 4px; font-size: 0.875rem; color: #111827; text-align: center; }
.f1-figcaption-video { margin-top: 2px; } /* tighter under the video */

/* Problem name — force center from first render; code bg color #f9fafb */
#f1-examples .f1-problem-markdown .markdown p:first-child { text-align: center !important; margin: 0 0 8px 0; }
.f1-problem-markdown p code,
#f1-examples .f1-problem-markdown .markdown p:first-child code {
  display: inline-block; background: #f9fafb !important; padding: 2px 8px; border-radius: 6px; margin-left: auto; margin-right: auto;
}

.f1-problem-markdown > * { margin-top: 7px; margin-bottom: 7px; line-height: 1.8; }

/* Problem body: padding + comfortable line-height inside Markdown + small space before tabs */
#f1-examples .f1-problem-markdown .markdown { background: var(--f1-bg-muted); border: 1px solid var(--f1-border); border-radius: 8px; padding: 18px; margin: 10px 14px 10px 14px; line-height: 1.8; }
#f1-examples .f1-problem-markdown .markdown p { margin: 0.35rem 0; }

/* Pills (Radio) — compact spacing at bottom */
#f1-example-radio { border-top: 1px solid var(--f1-border); padding: 8px 10px 4px 10px; margin: 0 8px 2px; }
#f1-example-radio input[type="radio"] { display: none; }
#f1-example-radio .wrap { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-start; }
#f1-example-radio label { border: 1px solid var(--f1-border); border-radius: 999px; padding: 6px 10px; cursor: pointer; background: #f3f4f6; }
#f1-example-radio input[type="radio"]:checked + span { background: #e5e7eb; border-color: var(--f1-border); border-radius: 999px; padding: 6px 10px; }

/* Examples card chrome */
#f1-examples { background: var(--f1-bg-muted); border: 1px solid var(--f1-border); border-radius: 10px; box-shadow: 0 1px 2px rgba(0,0,0,0.04); margin-bottom: 12px; }
#f1-examples .form { background: transparent !important; }  /* no bg on inner form container */
.f1-tabs-body { padding-top: 12px; text-align: center; }
.f1-examples-chip { display: inline-block; background: #e5e7eb; color: #111827; padding: 6px 12px; border-radius: 999px; font-weight: 700; }

/* Figures via Gradio components (centered, rounded, shadow) */
.f1-image img, .f1-video video { width: 100%; max-width: 42rem; display: block; margin: 0 auto; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }

/* Categories "table" — equal width per column set; compact first two, flexible third */
.f1-grid-wrap { text-align: center; margin: 10px auto 8px auto; }
.f1-grid-table {
  display: inline-grid;
  grid-template-columns: max-content 12ch minmax(360px, 1fr);  /* 2nd col fixed width; 3rd grows */
  border: 1px solid var(--f1-border);
  background: var(--f1-bg);
  border-radius: 8px;
  overflow: hidden;
}
.f1-grid-row { display: contents; }
.f1-grid-cell { padding: 8px 12px; text-align: left; border-left: 1px solid var(--f1-border); border-top: 1px solid var(--f1-border); white-space: normal; }
.f1-grid-cell:nth-child(3n+1) { border-left: none; }
.f1-grid-head .f1-grid-cell { font-weight: 600; text-align: center; border-top: none; }

#f1-login-box { width: 800px; margin: auto; }

/* Leaderboard: cap width at 800px and center; keep your chain rule */
#formulaone-leaderboard-tab-table { max-width: 800px; margin-left: auto; margin-right: auto; }
#formulaone-leaderboard-tab-table .column .row .column { min-width: 80% !important; }
#formulaone-leaderboard-tab-table .row, #formulaone-leaderboard-tab-table .column { width: 100% !important; max-width: 100% !important; }
#formulaone-leaderboard-tab-table [data-testid="dropdown"], #formulaone-leaderboard-tab-table input[type="text"] { width: 100% !important; }

/* Login button: force light and width cap */
#hf-login-btn, #hf-login-btn button, button[data-testid="login-button"], [data-testid="login-button"] button, div[data-testid="login-button"] > button {
  background: #ffffff !important; color: #1f2937 !important; border: 1px solid var(--f1-border) !important; box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.04) !important;
  max-width: 800px !important; width: 100% !important; margin-left: auto !important; margin-right: auto !important;
}
#hf-login-btn:hover, #hf-login-btn button:hover, button[data-testid="login-button"]:hover, [data-testid="login-button"] button:hover, div[data-testid="login-button"] > button:hover { background: #f9fafb !important; }

/* Checkbox styling for submission requirements */
.markdown-text input[type="checkbox"] {
  margin-right: 8px !important;
  width: 16px !important;
  height: 16px !important;
  accent-color: #2563eb !important;
  cursor: pointer !important;
}

.markdown-text label[data-testid="checkbox"] {
  color: var(--f1-text) !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: flex-start !important;
  margin-bottom: 8px !important;
}

/* Submit button styling when disabled */
button[data-testid="button"]:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  background: #f3f4f6 !important;
  color: #9ca3af !important;
  border-color: #d1d5db !important;
}

/* Required Agreements section 
.markdown-text h3 {
  color: var(--f1-text) !important;
  font-weight: 600 !important;
  margin: 20px 0 12px 0 !important;
  font-size: 18px !important;
}
*/
"""

get_window_url_params = """
    function(url_params) {
        const params = new URLSearchParams(window.location.search);
        url_params = Object.fromEntries(params);
        return url_params;
    }
    """