feat(badges): configurable header bottom border and padding per template

Replaces hardcoded border-bottom/padding-bottom on badge_header div with
cfg_json fields: header_border_color, header_border_width, header_padding_bottom.
Empty color = no border. Template form exposes all three in Header & Branding.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/lib/ae_events/types/ae_badge_template_cfg.ts

@@ -39,10 +39,19 @@ export interface BadgeTemplateCfg {
     // Header image vertical offset. CSS length applied as margin-top on the badge_header div.
     // Default (unset) = "2rem" (matches the prior hardcoded mt-8).
     // Negative values shift the image toward the top edge; larger values push it down.
-    // Useful when a background image's designed zone doesn't align with the default position.
     // Any CSS length works: "-0.5in", "1rem", "8px".
     header_margin_top?: string;
 
+    // Border drawn below the badge header image. Set header_border_color to enable.
+    // Unset = no border (default). Any valid CSS hex color.
+    header_border_color?: string;
+    // Thickness of the header bottom border. Any CSS length. Default "2px" when color is set.
+    header_border_width?: string;
+    // Padding below the header image (inside the badge_header div, above the border).
+    // Useful for creating visual space between the image and the body.
+    // Any CSS length: "0.5in", "1rem". Unset = no extra padding.
+    header_padding_bottom?: string;
+
     // Allow arbitrary extra keys to preserve forward-compatibility.
     [key: string]: any;
 }

src/routes/events/[event_id]/(badges)/badges/[badge_id]/ae_comp__badge_obj_view.svelte

@@ -326,6 +326,21 @@ let header_margin_top = $derived.by(() => {
     return v && typeof v === 'string' && v.trim() ? v.trim() : '2rem';
 });
 
+// Full inline style string for the badge_header div.
+// Combines margin-top, optional bottom border (color + width), and optional bottom padding.
+// Unset border_color = no border drawn.
+let header_div_style = $derived.by(() => {
+    const parts: string[] = [`margin-top: ${header_margin_top}`];
+    const color = (template_cfg?.header_border_color ?? '').trim();
+    if (color) {
+        const width = (template_cfg?.header_border_width ?? '').trim() || '2px';
+        parts.push(`border-bottom: ${width} solid ${color}`);
+    }
+    const pb = (template_cfg?.header_padding_bottom ?? '').trim();
+    if (pb) parts.push(`padding-bottom: ${pb}`);
+    return parts.join('; ');
+});
+
 /**
  * Layout-aware section heights for Element_fit_text.
  *
@@ -676,7 +691,7 @@ const code_to_icon: {
                 p-2
                 hover:outline-2 hover:outline-gray-500/75 hover:outline-dashed
                 "
-                        style="margin-top: {header_margin_top};">
+                        style={header_div_style}>
                         <img
                             class="header_image"
                             class:header_full_width={banner_full_width}
@@ -691,9 +706,11 @@ const code_to_icon: {
                             alt="check badge logo" />
                         <div class="banner_text">
                             <div class="row_one">
+                                <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                 {@html $lq__event_badge_template_obj.header_row_1}
                             </div>
                             <div class="row_two">
+                                <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                 {@html $lq__event_badge_template_obj.header_row_2}
                             </div>
                         </div>
@@ -732,7 +749,7 @@ const code_to_icon: {
                     "
                     style="height: {fit_heights.grp_name_title}; justify-content: {flex_justify(
                         fit_heights.grp_name_title_flex
-                    )}">
+                    )};">
                     <!--
                         V2: Element_fit_text wraps display mode only — no inline edit inputs.
                         manual_size={font_size_name ?? null} disables auto-scaling when the
@@ -785,6 +802,7 @@ const code_to_icon: {
                                 flex items-center justify-start
                                 "
                                 >
+                                <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                 <div style="text-align: {align_title};">{@html display_title}</div>
                         </Element_fit_text>
                     {/if}
@@ -822,6 +840,7 @@ const code_to_icon: {
                                 flex items-center justify-start
                                 "
                                 >
+                                <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                 <div style="text-align: {align_affiliations};">{@html display_affiliations}</div>
                             </Element_fit_text>
                         {/if}
@@ -837,6 +856,7 @@ const code_to_icon: {
                                 manual_size={font_size_location ?? null}
                                 height={fit_heights.location}
                                 class="location leading-none hover:bg-pink-100/50">
+                                <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                 <div class="city state_province country" style="text-align: {align_location};">{@html display_location}</div>
                             </Element_fit_text>
                         {/if}
@@ -987,9 +1007,11 @@ const code_to_icon: {
                                 alt="check badge logo" />
                             <div class="banner_text">
                                 <div class="row_one">
+                                    <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                     {@html $lq__event_badge_template_obj.header_row_1}
                                 </div>
                                 <div class="row_two">
+                                    <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                     {@html $lq__event_badge_template_obj.header_row_2}
                                 </div>
                             </div>
@@ -1079,26 +1101,31 @@ const code_to_icon: {
                             <ul>
                                 {#if $lq__event_badge_obj.ticket_1_code}
                                     <li>
+                                        <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                         {@html $lq__event_badge_template_obj.ticket_1_text}
                                     </li>
                                 {/if}
                                 {#if $lq__event_badge_obj.ticket_2_code}
                                     <li>
+                                        <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                         {@html $lq__event_badge_template_obj.ticket_2_text}
                                     </li>
                                 {/if}
                                 {#if $lq__event_badge_obj.ticket_3_code}
                                     <li>
+                                        <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                         {@html $lq__event_badge_template_obj.ticket_3_text}
                                     </li>
                                 {/if}
                                 {#if $lq__event_badge_obj.ticket_4_code}
                                     <li>
+                                        <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                         {@html $lq__event_badge_template_obj.ticket_4_text}
                                     </li>
                                 {/if}
                                 {#if $lq__event_badge_obj.ticket_5_code}
                                     <li>
+                                        <!-- eslint-disable-next-line svelte/no-at-html-tags -->
                                         {@html $lq__event_badge_template_obj.ticket_5_text}
                                     </li>
                                 {/if}

src/routes/events/[event_id]/(badges)/templates/ae_comp__badge_template_form.svelte

@@ -67,6 +67,11 @@ let cfg_body_text_color = $state('#000000');
 let cfg_bleed = $state('');
 // Header image vertical offset (CSS length). Empty = default 2rem. Negative = shift up.
 let cfg_header_margin_top = $state('');
+// Header bottom border. Empty color = no border.
+let cfg_header_border_color = $state('');
+let cfg_header_border_width = $state('');
+// Padding below the header image (above the border line). Empty = no extra padding.
+let cfg_header_padding_bottom = $state('');
 // Alignment overrides: 'left' | 'center' | 'right' | 'justify'
 let cfg_align_name = $state('center');
 let cfg_align_title = $state('center');
@@ -163,6 +168,9 @@ async function load_template(id: string) {
             // Background bleed (CSS length, e.g. "0.125in"). Empty = no bleed.
             cfg_bleed = parsed_cfg.bleed ?? '';
             cfg_header_margin_top = parsed_cfg.header_margin_top ?? '';
+            cfg_header_border_color = parsed_cfg.header_border_color ?? '';
+            cfg_header_border_width = parsed_cfg.header_border_width ?? '';
+            cfg_header_padding_bottom = parsed_cfg.header_padding_bottom ?? '';
 
             // Alignment overrides (nested under cfg_json.align and cfg_json.qr_alignment)
             cfg_align_name = parsed_cfg?.align?.name ?? parsed_cfg.align_name ?? 'center';
@@ -248,6 +256,26 @@ async function handle_submit() {
         delete cfg_obj.header_margin_top;
     }
 
+    // Header bottom border: save color + width if color is set, remove both if cleared
+    if (cfg_header_border_color.trim()) {
+        cfg_obj.header_border_color = cfg_header_border_color.trim();
+        if (cfg_header_border_width.trim()) {
+            cfg_obj.header_border_width = cfg_header_border_width.trim();
+        } else {
+            delete cfg_obj.header_border_width;
+        }
+    } else {
+        delete cfg_obj.header_border_color;
+        delete cfg_obj.header_border_width;
+    }
+
+    // Header padding below image
+    if (cfg_header_padding_bottom.trim()) {
+        cfg_obj.header_padding_bottom = cfg_header_padding_bottom.trim();
+    } else {
+        delete cfg_obj.header_padding_bottom;
+    }
+
     const data_to_save: key_val = {
         name,
         background_image_path,
@@ -361,6 +389,30 @@ function toggle_cfg_controls_auth_editable(key: string) {
                         Any CSS length works. Leave blank to use the default (2rem).
                     </p>
                 </label>
+
+                <div class="space-y-2">
+                    <p class="text-sm font-medium">Header Bottom Border</p>
+                    <label class="label">
+                        <span>Border Color (hex) — leave blank to disable border</span>
+                        <div class="flex items-center gap-2">
+                            <input type="color" bind:value={cfg_header_border_color} class="w-10 h-8 p-0"
+                                oninput={(e) => { if ((e.target as HTMLInputElement).value === '#000000' && !cfg_header_border_color) cfg_header_border_color = ''; }} />
+                            <input type="text" bind:value={cfg_header_border_color} class="input w-36" placeholder="e.g. #FE6111 or empty" />
+                        </div>
+                    </label>
+                    <label class="label">
+                        <span>Border Thickness</span>
+                        <input type="text" bind:value={cfg_header_border_width} class="input" placeholder="e.g. 2px, 0.5mm (default: 2px)" />
+                    </label>
+                    <label class="label">
+                        <span>Padding Below Header Image</span>
+                        <input type="text" bind:value={cfg_header_padding_bottom} class="input" placeholder="e.g. 1.45in, 2rem — leave blank for none" />
+                        <p class="text-xs text-surface-400 italic">
+                            Creates space between the header image and the border line.
+                        </p>
+                    </label>
+                </div>
+
                 <label class="label">
                     <span>Logo Path (URL, if no Header Path)</span>
                     <input type="text" bind:value={logo_path} class="input" />