diff --git a/package.json b/package.json
index d98a5c6..5ba3874 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "spacesocial-client",
-    "version": "0.2.0_rev1",
+    "version": "0.2.0_rev2",
     "description": "social media for the galaxy-wide-web! 🌌",
     "type": "module",
     "scripts": {
diff --git a/src/App.svelte b/src/App.svelte
index 7538a88..6f05334 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -20,6 +20,7 @@
     }
 
     if (client.app && client.app.token) {
+        // this triggers the client actually getting the authenticated user's data.
         client.verifyCredentials().then(res => {
             if (res) {
                 console.log(`Logged in as @${client.user.username}@${client.user.host}`);
diff --git a/src/client/api.js b/src/client/api.js
index dfcf733..e063e75 100644
--- a/src/client/api.js
+++ b/src/client/api.js
@@ -131,6 +131,83 @@ export async function getPostContext(post_id) {
     return data;
 }
 
+export async function boostPost(post_id) {
+    let client = get(Client.get());
+    let url = `https://${client.instance.host}/api/v1/statuses/${post_id}/reblog`;
+    const data = await fetch(url, {
+        method: 'POST',
+        headers: { "Authorization": "Bearer " + client.app.token }
+    }).then(res => { return res.ok ? res.json() : false });
+
+    if (data === false) return false;
+    return data;
+}
+
+export async function unboostPost(post_id) {
+    let client = get(Client.get());
+    let url = `https://${client.instance.host}/api/v1/statuses/${post_id}/unreblog`;
+    const data = await fetch(url, {
+        method: 'POST',
+        headers: { "Authorization": "Bearer " + client.app.token }
+    }).then(res => { return res.ok ? res.json() : false });
+
+    if (data === false) return false;
+    return data;
+}
+
+export async function favouritePost(post_id) {
+    let client = get(Client.get());
+    let url = `https://${client.instance.host}/api/v1/statuses/${post_id}/favourite`;
+    const data = await fetch(url, {
+        method: 'POST',
+        headers: { "Authorization": "Bearer " + client.app.token }
+    }).then(res => { return res.ok ? res.json() : false });
+
+    if (data === false) return false;
+    return data;
+}
+
+export async function unfavouritePost(post_id) {
+    let client = get(Client.get());
+    let url = `https://${client.instance.host}/api/v1/statuses/${post_id}/unfavourite`;
+    const data = await fetch(url, {
+        method: 'POST',
+        headers: { "Authorization": "Bearer " + client.app.token }
+    }).then(res => { return res.ok ? res.json() : false });
+
+    if (data === false) return false;
+    return data;
+}
+
+export async function reactPost(post_id, shortcode) {
+    // for whatever reason (at least in my testing on iceshrimp)
+    // using shortcodes for external emoji results in a fallback
+    // to the default like emote.
+    // identical api calls on chuckya instances do not display
+    // this behaviour.
+    let client = get(Client.get());
+    let url = `https://${client.instance.host}/api/v1/statuses/${post_id}/react/${encodeURIComponent(shortcode)}`;
+    const data = await fetch(url, {
+        method: 'POST',
+        headers: { "Authorization": "Bearer " + client.app.token }
+    }).then(res => { return res.ok ? res.json() : false });
+
+    if (data === false) return false;
+    return data;
+}
+
+export async function unreactPost(post_id, shortcode) {
+    let client = get(Client.get());
+    let url = `https://${client.instance.host}/api/v1/statuses/${post_id}/unreact/${encodeURIComponent(shortcode)}`;
+    const data = await fetch(url, {
+        method: 'POST',
+        headers: { "Authorization": "Bearer " + client.app.token }
+    }).then(res => { return res.ok ? res.json() : false });
+
+    if (data === false) return false;
+    return data;
+}
+
 export async function parsePost(data, parent_replies, child_replies) {
     let client = get(Client.get());
     let post = new Post();
@@ -166,6 +243,9 @@ export async function parsePost(data, parent_replies, child_replies) {
     post.warning = data.spoiler_text;
     post.boost_count = data.reblogs_count;
     post.reply_count = data.replies_count;
+    post.favourite_count = data.favourites_count;
+    post.favourited = data.favourited;
+    post.boosted = data.boosted;
     post.mentions = data.mentions;
     post.files = data.media_attachments;
     post.url = data.url;
@@ -185,33 +265,7 @@ export async function parsePost(data, parent_replies, child_replies) {
     }
 
     if (data.reactions && client.instance.capabilities.includes(capabilities.REACTIONS)) {
-        post.reactions = [];
-        data.reactions.forEach(reaction_data => {
-            if (/^[\w\-.@]+$/g.exec(reaction_data.name)) {
-                let name = reaction_data.name.split('@')[0];
-                let host = reaction_data.name.includes('@') ? reaction_data.name.split('@')[1] : client.instance.host;
-                post.reactions.push({
-                    count: reaction_data.count,
-                    emoji: parseEmoji({
-                        id: name + '@' + host,
-                        name: name,
-                        host: host,
-                        url: reaction_data.url,
-                    }),
-                    me: reaction_data.me,
-                });
-            } else {
-                if (reaction_data.name == '❤') reaction_data.name = '❤️'; // stupid heart unicode
-                post.reactions.push({
-                    count: reaction_data.count,
-                    emoji: {
-                        html: reaction_data.name,
-                        name: reaction_data.name,
-                    },
-                    me: reaction_data.me,
-                });
-            }
-        });
+        post.reactions = parseReactions(data.reactions);
     }
     return post;
 }
@@ -251,6 +305,21 @@ export async function parseUser(data) {
     return user;
 }
 
+export function parseReactions(data) {
+    let client = get(Client.get());
+    let reactions = [];
+    data.forEach(reaction_data => {
+        let reaction = {
+            count: reaction_data.count,
+            name: reaction_data.name,
+            me: reaction_data.me,
+        };
+        if (reaction_data.url) reaction.url = reaction_data.url;
+        reactions.push(reaction);
+    });
+    return reactions;
+}
+
 export function parseEmoji(data) {
     let emoji = new Emoji(
         data.id,
diff --git a/src/client/client.js b/src/client/client.js
index 575c293..862f1d2 100644
--- a/src/client/client.js
+++ b/src/client/client.js
@@ -100,6 +100,30 @@ export class Client {
         return await api.getPost(post_id, parent_replies, child_replies);
     }
 
+    async boostPost(post_id) {
+        return await api.boostPost(post_id);
+    }
+
+    async unboostPost(post_id) {
+        return await api.unboostPost(post_id);
+    }
+
+    async favouritePost(post_id) {
+        return await api.favouritePost(post_id);
+    }
+
+    async unfavouritePost(post_id) {
+        return await api.unfavouritePost(post_id);
+    }
+
+    async reactPost(post_id, shortcode) {
+        return await api.reactPost(post_id, shortcode);
+    }
+
+    async unreactPost(post_id, shortcode) {
+        return await api.unreactPost(post_id, shortcode);
+    }
+
     putCacheUser(user) {
         this.cache.users[user.id] = user;
         client.set(this);
@@ -148,7 +172,6 @@ export class Client {
         if (!json) return false;
         let saved = JSON.parse(json);
         if (!saved.version || saved.version !== APP_VERSION) {
-            localStorage.setItem(save_name + '-backup', json);
             localStorage.removeItem(save_name);
             return false;
         }
diff --git a/src/emoji.js b/src/emoji.js
index 9cd5e12..4fdd161 100644
--- a/src/emoji.js
+++ b/src/emoji.js
@@ -5,9 +5,7 @@ export const EMOJI_REGEX = /:[\w\-.]{0,32}@[\w\-.]{0,32}:/g;
 export const EMOJI_NAME_REGEX = /:[\w\-.]{0,32}:/g;
 
 export default class Emoji {
-    id;
     name;
-    host;
     url;
 
     constructor(id, name, host, url) {
@@ -18,7 +16,10 @@ export default class Emoji {
     }
 
     get html() {
-        return `<img src="${this.url}" class="emoji" height="20" title="${this.name}" alt="${this.name}">`;
+        if (this.url)
+            return `<img src="${this.url}" class="emoji" height="20" title="${this.name}" alt="${this.name}">`;
+        else
+            return `${this.name}`;
     }
 }
 
diff --git a/src/post.js b/src/post.js
index 1468ef9..9971daa 100644
--- a/src/post.js
+++ b/src/post.js
@@ -8,6 +8,9 @@ export default class Post {
     warning;
     boost_count;
     reply_count;
+    favourite_count;
+    favourited;
+    boosted;
     mentions;
     reactions;
     emojis;
diff --git a/src/sound.js b/src/sound.js
index c5dc1fb..bc12022 100644
--- a/src/sound.js
+++ b/src/sound.js
@@ -1,10 +1,11 @@
 const sounds = {
-    "default": new Audio("sound/log.ogg"),
-    "post": new Audio("sound/success.ogg"),
-    "boost": new Audio("sound/hello.ogg"),
+    "default": new Audio("/sound/log.ogg"),
+    "post": new Audio("/sound/success.ogg"),
+    "boost": new Audio("/sound/hello.ogg"),
 };
 
 export function play_sound(name) {
+    if (name === false) return;
     if (!name) name = "default";
     const sound = sounds[name];
     if (!sound) {
diff --git a/src/ui/post/ActionButton.svelte b/src/ui/post/ActionButton.svelte
index e62ce0f..ab34e5c 100644
--- a/src/ui/post/ActionButton.svelte
+++ b/src/ui/post/ActionButton.svelte
@@ -1,21 +1,36 @@
 <script>
     import { play_sound } from '../../sound.js';
+    import { createEventDispatcher } from 'svelte';
+    const dispatch = createEventDispatcher();
 
-    export let icon = "🔧";
     export let type = "action";
     export let label = "Action";
     export let title = label;
     export let count = 0;
+    export let active = false;
+    export let disabled = false;
     export let sound = "default";
+
+    function click() {
+        if (disabled) return;
+        play_sound(sound);
+        dispatch('click');
+    }
 </script>
 
 <button
         type="button"
-        class="{type}"
+        class={[
+        type,
+        active ? "active" : "",
+        disabled ? "disabled" : "",
+        ].join(' ')}
         aria-label="{label}"
         title="{title}"
-        on:click|stopPropagation={() => (play_sound(sound))}>
-        <span class="icon">{@html icon}</span>
+        on:click={click}>
+        <span class="icon">
+            <slot/>
+        </span>
         {#if count}
             <span class="count">{count}</span>
         {/if}
@@ -28,24 +43,34 @@
         display: flex;
         flex-direction: row;
         gap: 4px;
+        font-family: inherit;
         font-size: 1em;
         background: none;
         color: inherit;
         border: none;
         border-radius: 8px;
+        transition: background-color .1s, color .1s;
+        cursor: pointer;
     }
 
     button.active {
-        background: var(--accent);
-        color: var(--bg0);
+        background-color: color-mix(in srgb, transparent, var(--accent) 50%);
+        color: var(--bg-1000);
     }
 
-    button:hover {
-        background: #8881;
+    button:not(.disabled):hover {
+        background-color: var(--bg-600);
+        color: var(--text);
     }
 
-    button:active {
-        background: #0001;
+    button:not(.disabled):active {
+        background-color: var(--bg-1000);
+        color: var(--text);
+    }
+
+    button.disabled {
+        opacity: .5;
+        cursor: initial;
     }
 
     .icon {
diff --git a/src/ui/post/Post.svelte b/src/ui/post/Post.svelte
index 39d3923..4dbd5e6 100644
--- a/src/ui/post/Post.svelte
+++ b/src/ui/post/Post.svelte
@@ -8,6 +8,9 @@
     import { parseOne as parseEmoji } from '../../emoji.js';
     import { play_sound } from '../../sound.js';
     import { onMount } from 'svelte';
+    import { get } from 'svelte/store';
+    import { Client } from '../../client/client.js';
+    import * as api from '../../client/api.js';
 
     export let post_data;
     export let focused = false;
@@ -25,6 +28,55 @@
         location = `/post/${post.id}`;
     }
 
+    async function toggleBoost() {
+        let client = get(Client.get());
+        let data;
+        if (post.boosted)
+            data = await client.unboostPost(post.id);
+        else
+            data = await client.boostPost(post.id);
+        if (!data) {
+            console.error(`Failed to boost post ${post.id}`);
+            return;
+        }
+        post.boosted = data.boosted;
+        post.boost_count = data.reblogs_count;
+    }
+
+    async function toggleFavourite() {
+        let client = get(Client.get());
+        let data;
+        if (post.favourited)
+            data = await client.unfavouritePost(post.id);
+        else
+            data = await client.favouritePost(post.id);
+        if (!data) {
+            console.error(`Failed to favourite post ${post.id}`);
+            return;
+        }
+        post.favourited = data.favourited;
+        post.favourite_count = data.favourites_count;
+        if (data.reactions) post.reactions = api.parseReactions(data.reactions);
+    }
+
+    async function toggleReaction(reaction) {
+        if (reaction.name.includes('@')) return;
+        let client = get(Client.get());
+
+        let data;
+        if (reaction.me)
+            data = await client.unreactPost(post.id, reaction.name);
+        else
+            data = await client.reactPost(post.id, reaction.name);
+        if (!data) {
+            console.error(`Failed to favourite post ${post.id}`);
+            return;
+        }
+        post.favourited = data.favourited;
+        post.favourite_count = data.favourites_count;
+        if (data.reactions) post.reactions = api.parseReactions(data.reactions);
+    }
+
     let el;
     onMount(() => {
         if (focused) {
@@ -46,18 +98,31 @@
         <PostHeader post={post} />
         <Body post={post} />
         <footer class="post-footer">
-            <div class="post-reactions">
+            <div class="post-reactions" on:click|stopPropagation>
                 {#each post.reactions as reaction}
-                    <ReactionButton icon={reaction.emoji.html} type="reaction" bind:count={reaction.count} title={reaction.emoji.id} label="" />
+                    <ReactionButton
+                            type="reaction"
+                            on:click={() => toggleReaction(reaction)}
+                            bind:active={reaction.me}
+                            bind:count={reaction.count}
+                            disabled={reaction.name.includes('@')}
+                            title={reaction.name}
+                            label="">
+                        {#if reaction.url}
+                            <img src={reaction.url} class="emoji" height="20" title={reaction.name} alt={reaction.name}>
+                        {:else}
+                            {reaction.name}
+                        {/if}
+                    </ReactionButton>
                 {/each}
             </div>
-            <div class="post-actions">
-                <ActionButton icon="🗨️" type="reply" label="Reply" bind:count={post.reply_count} sound="post" />
-                <ActionButton icon="🔁" type="boost" label="Boost" bind:count={post.boost_count} sound="boost" />
-                <ActionButton icon="⭐" type="favourite" label="Favourite" />
-                <ActionButton icon="😃" type="react" label="React" />
-                <ActionButton icon="🗣️" type="quote" label="Quote" />
-                <ActionButton icon="🛠️" type="more" label="More" />
+            <div class="post-actions" on:click|stopPropagation>
+                <ActionButton type="reply" label="Reply" bind:count={post.reply_count} sound="post" disabled>🗨️</ActionButton>
+                <ActionButton type="boost" label="Boost" on:click={() => toggleBoost()} bind:active={post.boosted} bind:count={post.boost_count} sound="boost">🔁</ActionButton>
+                <ActionButton type="favourite" label="Favourite" on:click={() => toggleFavourite()} bind:active={post.favourited} bind:count={post.favourite_count}>⭐</ActionButton>
+                <ActionButton type="react" label="React" disabled>😃</ActionButton>
+                <ActionButton type="quote" label="Quote" disabled>🗣️</ActionButton>
+                <ActionButton type="more" label="More" disabled>🛠️</ActionButton>
             </div>
         </footer>
     </article>
@@ -97,14 +162,18 @@
     }
 
     :global(.post-reactions) {
+        width: fit-content;
         display: flex;
         flex-direction: row;
+        gap: 4px;
     }
 
     :global(.post-actions) {
+        width: fit-content;
         margin-top: 8px;
         display: flex;
         flex-direction: row;
+        gap: 2px;
     }
 
     .post-container :global(.emoji) {
diff --git a/src/ui/post/ReactionButton.svelte b/src/ui/post/ReactionButton.svelte
index e62ce0f..7aa586b 100644
--- a/src/ui/post/ReactionButton.svelte
+++ b/src/ui/post/ReactionButton.svelte
@@ -1,21 +1,35 @@
 <script>
     import { play_sound } from '../../sound.js';
+    import { createEventDispatcher } from 'svelte';
+    const dispatch = createEventDispatcher();
 
-    export let icon = "🔧";
-    export let type = "action";
-    export let label = "Action";
+    export let type = "react";
+    export let label = "React";
     export let title = label;
     export let count = 0;
+    export let active = false;
+    export let disabled = false;
     export let sound = "default";
+
+    function click() {
+        play_sound(sound);
+        dispatch('click');
+    }
 </script>
 
 <button
         type="button"
-        class="{type}"
+        class={[
+        type,
+        active ? "active" : "",
+        disabled ? "disabled" : "",
+        ].join(' ')}
         aria-label="{label}"
         title="{title}"
-        on:click|stopPropagation={() => (play_sound(sound))}>
-        <span class="icon">{@html icon}</span>
+        on:click={click}>
+        <span class="icon">
+            <slot/>
+        </span>
         {#if count}
             <span class="count">{count}</span>
         {/if}
@@ -33,19 +47,27 @@
         color: inherit;
         border: none;
         border-radius: 8px;
+        transition: background-color .1s, color .1s;
+        cursor: pointer;
     }
 
     button.active {
-        background: var(--accent);
-        color: var(--bg0);
+        background-color: color-mix(in srgb, transparent, var(--accent) 50%);
+        color: var(--bg-1000);
     }
 
-    button:hover {
-        background: #8881;
+    button:not(.disabled):hover {
+        background-color: var(--bg-600);
+        color: var(--text);
     }
 
-    button:active {
-        background: #0001;
+    button:not(.disabled):active {
+        background-color: var(--bg-1000);
+        color: var(--text);
+    }
+
+    button.disabled {
+        cursor: initial;
     }
 
     .icon {
diff --git a/src/ui/post/ReplyContext.svelte b/src/ui/post/ReplyContext.svelte
index a5dab1f..27883c6 100644
--- a/src/ui/post/ReplyContext.svelte
+++ b/src/ui/post/ReplyContext.svelte
@@ -6,6 +6,9 @@
     import Post from './Post.svelte';
     import { parseText as parseEmojis, parseOne as parseEmoji } from '../../emoji.js';
     import { shorthand as short_time } from '../../time.js';
+    import { get } from 'svelte/store';
+    import { Client } from '../../client/client.js';
+    import * as api from '../../client/api.js';
 
     export let post;
     let time_string = post.created_at.toLocaleString();
@@ -13,6 +16,55 @@
     function gotoPost() {
         location = `/post/${post.id}`;
     }
+
+    async function toggleBoost() {
+        let client = get(Client.get());
+        let data;
+        if (post.boosted)
+            data = await client.unboostPost(post.id);
+        else
+            data = await client.boostPost(post.id);
+        if (!data) {
+            console.error(`Failed to boost post ${post.id}`);
+            return;
+        }
+        post.boosted = data.boosted;
+        post.boost_count = data.reblogs_count;
+    }
+
+    async function toggleFavourite() {
+        let client = get(Client.get());
+        let data;
+        if (post.favourited)
+            data = await client.unfavouritePost(post.id);
+        else
+            data = await client.favouritePost(post.id);
+        if (!data) {
+            console.error(`Failed to favourite post ${post.id}`);
+            return;
+        }
+        post.favourited = data.favourited;
+        post.favourite_count = data.favourites_count;
+        if (data.reactions) post.reactions = api.parseReactions(data.reactions);
+    }
+
+    async function toggleReaction(reaction) {
+        if (reaction.name.includes('@')) return;
+        let client = get(Client.get());
+
+        let data;
+        if (reaction.me)
+            data = await client.unreactPost(post.id, reaction.name);
+        else
+            data = await client.reactPost(post.id, reaction.name);
+        if (!data) {
+            console.error(`Failed to favourite post ${post.id}`);
+            return;
+        }
+        post.favourited = data.favourited;
+        post.favourite_count = data.favourites_count;
+        if (data.reactions) post.reactions = api.parseReactions(data.reactions);
+    }
 </script>
 
 {#if post.reply}
@@ -28,18 +80,31 @@
         <Body post={post} />
 
         <footer class="post-footer">
-            <div class="post-reactions">
+            <div class="post-reactions" on:click|stopPropagation>
                 {#each post.reactions as reaction}
-                    <ReactionButton icon={reaction.emoji.html} type="reaction" bind:count={reaction.count} title={reaction.emoji.id} label="" />
+                    <ReactionButton
+                            type="reaction"
+                            on:click={() => toggleReaction(reaction)}
+                            bind:active={reaction.me}
+                            bind:count={reaction.count}
+                            disabled={reaction.name.includes('@')}
+                            title={reaction.name}
+                            label="">
+                        {#if reaction.url}
+                            <img src={reaction.url} class="emoji" height="20" title={reaction.name} alt={reaction.name}>
+                        {:else}
+                            {reaction.name}
+                        {/if}
+                    </ReactionButton>
                 {/each}
             </div>
-            <div class="post-actions">
-                <ActionButton icon="🗨️" type="reply" label="Reply" bind:count={post.reply_count} sound="post" />
-                <ActionButton icon="🔁" type="boost" label="Boost" bind:count={post.boost_count} sound="boost" />
-                <ActionButton icon="⭐" type="favourite" label="Favourite" />
-                <ActionButton icon="😃" type="react" label="React" />
-                <ActionButton icon="🗣️" type="quote" label="Quote" />
-                <ActionButton icon="🛠️" type="more" label="More" />
+            <div class="post-actions" on:click|stopPropagation>
+                <ActionButton type="reply" label="Reply" bind:count={post.reply_count} sound="post" disabled>🗨️</ActionButton>
+                <ActionButton type="boost" label="Boost" on:click={() => toggleBoost()} bind:active={post.boosted} bind:count={post.boost_count} sound="boost">🔁</ActionButton>
+                <ActionButton type="favourite" label="Favourite" on:click={() => toggleFavourite()} bind:active={post.favourited} bind:count={post.favourite_count}>⭐</ActionButton>
+                <ActionButton type="react" label="React" disabled>😃</ActionButton>
+                <ActionButton type="quote" label="Quote" disabled>🗣️</ActionButton>
+                <ActionButton type="more" label="More" disabled>🛠️</ActionButton>
             </div>
         </footer>
     </div>