diff --git a/web-player/src/lib/components/MobileHeader.svelte b/web-player/src/lib/components/MobileHeader.svelte
new file mode 100644
index 0000000..dc664ce
--- /dev/null
+++ b/web-player/src/lib/components/MobileHeader.svelte
@@ -0,0 +1,80 @@
+<script lang="ts">
+	import type { SessionUser } from '$lib/types';
+	import Upload from '@lucide/svelte/icons/upload';
+	import Folder from '@lucide/svelte/icons/folder';
+	import LogOut from '@lucide/svelte/icons/log-out';
+
+	interface Props {
+		user: SessionUser;
+	}
+
+	let { user }: Props = $props();
+
+	let menuOpen = $state(false);
+	let menuRef: HTMLDivElement | undefined = $state();
+
+	function onDocumentClick(event: MouseEvent) {
+		if (menuRef && !menuRef.contains(event.target as Node)) menuOpen = false;
+	}
+</script>
+
+<header
+	class="sticky top-0 z-40 flex h-14 items-center justify-between border-b border-line bg-bg/85 page-x backdrop-blur-md md:hidden"
+>
+	<a href="/" class="text-lg font-extrabold tracking-wide">Musify</a>
+
+	<div class="relative" bind:this={menuRef}>
+		<button
+			type="button"
+			onclick={() => (menuOpen = !menuOpen)}
+			aria-label="Tu cuenta"
+			aria-expanded={menuOpen}
+			class="flex items-center rounded-full"
+		>
+			{#if user.picture}
+				<img src={user.picture} alt="" class="h-9 w-9 rounded-full object-cover" />
+			{:else}
+				<span
+					class="grid h-9 w-9 place-items-center rounded-full bg-surface-2 text-sm font-semibold uppercase"
+				>
+					{user.name.charAt(0)}
+				</span>
+			{/if}
+		</button>
+
+		{#if menuOpen}
+			<div
+				class="animate-pop absolute top-full right-0 mt-2 w-56 overflow-hidden rounded-panel border border-line bg-elevated py-1.5 shadow-menu"
+			>
+				<a
+					href="/library"
+					onclick={() => (menuOpen = false)}
+					class="flex w-full items-center gap-3 px-3 py-2.5 text-base font-semibold text-fg-2 transition hover:bg-hover"
+				>
+					<Folder class="h-[18px] w-[18px]" strokeWidth={2} />
+					Canciones subidas
+				</a>
+				<a
+					href="/upload"
+					onclick={() => (menuOpen = false)}
+					class="flex w-full items-center gap-3 px-3 py-2.5 text-base font-semibold text-fg-2 transition hover:bg-hover"
+				>
+					<Upload class="h-[18px] w-[18px]" strokeWidth={2} />
+					Subir música
+				</a>
+				<div class="my-1.5 border-t border-line"></div>
+				<form method="POST" action="/logout" data-sveltekit-reload>
+					<button
+						type="submit"
+						class="flex w-full items-center gap-3 px-3 py-2.5 text-base font-semibold text-fg-2 transition hover:bg-hover"
+					>
+						<LogOut class="h-[18px] w-[18px]" strokeWidth={2} />
+						Salir
+					</button>
+				</form>
+			</div>
+		{/if}
+	</div>
+</header>
+
+<svelte:window onclick={onDocumentClick} />
diff --git a/web-player/src/lib/components/MobileNav.svelte b/web-player/src/lib/components/MobileNav.svelte
new file mode 100644
index 0000000..4a10157
--- /dev/null
+++ b/web-player/src/lib/components/MobileNav.svelte
@@ -0,0 +1,41 @@
+<script lang="ts">
+	import { page } from '$app/state';
+	import Home from '@lucide/svelte/icons/house';
+	import Search from '@lucide/svelte/icons/search';
+	import Music from '@lucide/svelte/icons/music';
+	import Folder from '@lucide/svelte/icons/folder';
+
+	const links = [
+		{ href: '/', label: 'Inicio', icon: Home },
+		{ href: '/explore', label: 'Buscar', icon: Search },
+		{ href: '/playlists', label: 'Listas', icon: Music },
+		{ href: '/library', label: 'Subidas', icon: Folder }
+	];
+
+	function isActive(href: string) {
+		return href === '/' ? page.url.pathname === '/' : page.url.pathname.startsWith(href);
+	}
+</script>
+
+<nav
+	class="fixed inset-x-0 bottom-0 z-50 border-t border-line bg-bg/95 backdrop-blur-md md:hidden"
+	style="padding-bottom:var(--mf-safe-b)"
+>
+	<ul class="grid h-[var(--mf-nav-h)] grid-cols-4">
+		{#each links as link (link.href)}
+			{@const active = isActive(link.href)}
+			<li>
+				<a
+					href={link.href}
+					aria-current={active ? 'page' : undefined}
+					class="flex h-full flex-col items-center justify-center gap-1 transition-colors {active
+						? 'text-fg'
+						: 'text-fg-3'}"
+				>
+					<link.icon class="h-[22px] w-[22px] {active ? 'text-accent-soft' : ''}" />
+					<span class="text-[11px] leading-none font-medium">{link.label}</span>
+				</a>
+			</li>
+		{/each}
+	</ul>
+</nav>
diff --git a/web-player/src/lib/components/Sidebar.svelte b/web-player/src/lib/components/Sidebar.svelte
index ac94d01..e05b4c5 100644
--- a/web-player/src/lib/components/Sidebar.svelte
+++ b/web-player/src/lib/components/Sidebar.svelte
@@ -75,7 +75,7 @@
 {/snippet}
 
 <aside
-	class="sticky top-0 flex h-screen flex-shrink-0 flex-col gap-7 border-r border-line px-[18px] py-[26px]"
+	class="sticky top-0 hidden h-screen shrink-0 flex-col gap-7 border-r border-line px-4.5 py-6.5 md:flex"
 	style="width:var(--mf-sidebar-w)"
 >
 	<a href="/" class="px-3 text-xl font-extrabold tracking-wide">Musify</a>
@@ -83,11 +83,11 @@
 	<div class="relative flex flex-col gap-7" bind:this={navBox}>
 		<div
 			class="pointer-events-none absolute inset-x-0 z-0 overflow-hidden rounded-control bg-surface-hover {animate
-				? 'transition-[top,height] duration-200 ease-[cubic-bezier(0.4,0,0.2,1)]'
+				? 'transition-[top,height] duration-200 ease-in-out'
 				: ''}"
 			style="top:{pillTop}px; height:{pillHeight}px; opacity:{pillVisible ? 1 : 0}"
 		>
-			<span class="absolute inset-y-0 left-0 w-[3px] rounded-r-full bg-accent-soft"></span>
+			<span class="absolute inset-y-0 left-0 w-0.75 rounded-r-full bg-accent-soft"></span>
 		</div>
 
 		<nav class="relative z-10 flex flex-col gap-1">
@@ -115,7 +115,7 @@
 						type="submit"
 						class="flex w-full items-center gap-3 px-3 py-2.5 text-base font-semibold text-fg-2 transition hover:bg-hover"
 					>
-						<LogOut class="h-[18px] w-[18px]" strokeWidth={2} />
+						<LogOut class="h-4.5 w-4.5" strokeWidth={2} />
 						Salir
 					</button>
 				</form>
@@ -130,7 +130,7 @@
 				<img src={user.picture} alt="" class="h-9 w-9 rounded-full object-cover" />
 			{:else}
 				<span
-					class="grid h-9 w-9 flex-shrink-0 place-items-center rounded-full bg-surface-2 text-sm font-semibold uppercase"
+					class="grid h-9 w-9 shrink-0 place-items-center rounded-full bg-surface-2 text-sm font-semibold uppercase"
 				>
 					{user.name.charAt(0)}
 				</span>
diff --git a/web-player/src/lib/components/TrackContextMenu.svelte b/web-player/src/lib/components/TrackContextMenu.svelte
index 408a5e8..0a4fb69 100644
--- a/web-player/src/lib/components/TrackContextMenu.svelte
+++ b/web-player/src/lib/components/TrackContextMenu.svelte
@@ -3,15 +3,15 @@
 
 	export type ContextMenuState = TrackTarget & { x: number; y: number; openLeft: boolean };
 
-	const MENU_WIDTH = 208;
-	const SUBMENU_WIDTH = 224;
+	const MENU_WIDTH = 240;
+	const SUBMENU_WIDTH = 256;
 
 	export function contextMenuStateFor(event: MouseEvent, target: TrackTarget): ContextMenuState {
 		event.preventDefault();
 		return {
 			...target,
-			x: Math.min(event.clientX, window.innerWidth - MENU_WIDTH - 8),
-			y: Math.min(event.clientY, window.innerHeight - 60),
+			x: Math.max(8, Math.min(event.clientX, window.innerWidth - MENU_WIDTH - 8)),
+			y: Math.max(8, Math.min(event.clientY, window.innerHeight - 60)),
 			openLeft: event.clientX + MENU_WIDTH + SUBMENU_WIDTH + 16 > window.innerWidth
 		};
 	}
@@ -70,12 +70,12 @@
 				<ChevronRight class="h-4 w-4 shrink-0 text-fg-3" />
 			</div>
 			<div
-				class="invisible absolute top-0 z-50 opacity-0 transition group-hover/addmenu:visible group-hover/addmenu:opacity-100 {menu.openLeft
+				class="invisible absolute top-0 z-50 opacity-0 transition group-hover/addmenu:visible group-hover/addmenu:opacity-100 max-sm:top-full max-sm:right-0 max-sm:left-0 max-sm:px-0 max-sm:pt-1.5 {menu.openLeft
 					? 'right-full pr-1.5'
 					: 'left-full pl-1.5'}"
 			>
 				<div
-					class="w-64 overflow-hidden rounded-panel border border-line bg-elevated p-2 shadow-menu"
+					class="w-64 overflow-hidden rounded-panel border border-line bg-elevated p-2 shadow-menu max-sm:w-full"
 				>
 					<div class="max-h-80 overflow-y-auto">
 						{#each playlists as playlist (playlist.id)}
@@ -107,7 +107,7 @@
 										trackIds={[]}
 										hue={hueFor(playlist.id)}
 										size="small"
-										class="h-8 w-8 flex-shrink-0 rounded-control"
+										class="h-8 w-8 shrink-0 rounded-control"
 									/>
 									<span class="truncate text-base text-fg-2">{playlist.name}</span>
 								</button>
diff --git a/web-player/src/lib/components/player/PlayerBar.svelte b/web-player/src/lib/components/player/PlayerBar.svelte
index e4d6010..fb1ac78 100644
--- a/web-player/src/lib/components/player/PlayerBar.svelte
+++ b/web-player/src/lib/components/player/PlayerBar.svelte
@@ -6,11 +6,22 @@
 </script>
 
 <div
-	class="animate-enter fixed right-0 bottom-0 z-50 h-[92px] border-t border-line bg-bg"
-	style="left:var(--mf-sidebar-w)"
+	class="animate-enter fixed right-0 left-0 z-40 h-[var(--mf-player-h)] border-t border-line bg-bg md:left-[var(--mf-sidebar-w)] md:z-50"
+	style="bottom:calc(var(--mf-nav-h) + var(--mf-safe-b))"
 >
+	<div class="absolute inset-x-0 top-0 md:hidden">
+		<SeekBar compact />
+	</div>
+
+	<div class="flex h-full items-center gap-3 page-x md:hidden">
+		<div class="min-w-0 flex-1">
+			<TrackInfo />
+		</div>
+		<TransportControls compact />
+	</div>
+
 	<div
-		class="grid h-full items-center gap-5 px-8"
+		class="hidden h-full items-center gap-5 px-8 md:grid"
 		style="grid-template-columns:minmax(200px,1fr) minmax(0,3fr) minmax(200px,1fr)"
 	>
 		<TrackInfo />
diff --git a/web-player/src/lib/components/player/SeekBar.svelte b/web-player/src/lib/components/player/SeekBar.svelte
index 0d51b54..717b12e 100644
--- a/web-player/src/lib/components/player/SeekBar.svelte
+++ b/web-player/src/lib/components/player/SeekBar.svelte
@@ -2,32 +2,52 @@
 	import { player } from '$lib/player/player.svelte';
 	import { fmtTime } from '$lib/format';
 
+	interface Props {
+		compact?: boolean;
+	}
+
+	let { compact = false }: Props = $props();
+
 	function seek(event: MouseEvent) {
 		const rect = (event.currentTarget as HTMLElement).getBoundingClientRect();
 		player.seekFraction((event.clientX - rect.left) / rect.width);
 	}
 </script>
 
-<div class="flex w-full max-w-172 items-center gap-3">
-	<span class="text-right text-xs text-muted tabular-nums">
-		{fmtTime(player.progress)}
-	</span>
+{#if compact}
 	<button
 		type="button"
 		onclick={seek}
 		aria-label="Barra de progreso"
-		class="group relative h-1.5 flex-1 cursor-pointer rounded-full bg-track transition-[height] hover:h-2"
+		class="relative block h-1 w-full cursor-pointer bg-track"
 	>
 		<div
-			class="absolute inset-y-0 left-0 rounded-full bg-accent/60 group-hover:brightness-110"
+			class="absolute inset-y-0 left-0 bg-accent/70"
 			style="width:{player.progressPercent}%"
 		></div>
-		<span
-			class="pointer-events-none absolute top-1/2 h-3 w-3 -translate-x-1/2 -translate-y-1/2 rounded-full bg-on-art opacity-0 shadow-[0_1px_4px_rgba(0,0,0,0.5)] transition-opacity duration-75 group-hover:opacity-100"
-			style="left:{player.progressPercent}%"
-		></span>
 	</button>
-	<span class="text-xs text-muted tabular-nums">
-		{fmtTime(player.current.duration)}
-	</span>
-</div>
+{:else}
+	<div class="flex w-full max-w-172 items-center gap-3">
+		<span class="text-right text-xs text-muted tabular-nums">
+			{fmtTime(player.progress)}
+		</span>
+		<button
+			type="button"
+			onclick={seek}
+			aria-label="Barra de progreso"
+			class="group relative h-1.5 flex-1 cursor-pointer rounded-full bg-track transition-[height] hover:h-2"
+		>
+			<div
+				class="absolute inset-y-0 left-0 rounded-full bg-accent/60 group-hover:brightness-110"
+				style="width:{player.progressPercent}%"
+			></div>
+			<span
+				class="pointer-events-none absolute top-1/2 h-3 w-3 -translate-x-1/2 -translate-y-1/2 rounded-full bg-on-art opacity-0 shadow-[0_1px_4px_rgba(0,0,0,0.5)] transition-opacity duration-75 group-hover:opacity-100"
+				style="left:{player.progressPercent}%"
+			></span>
+		</button>
+		<span class="text-xs text-muted tabular-nums">
+			{fmtTime(player.current.duration)}
+		</span>
+	</div>
+{/if}
diff --git a/web-player/src/lib/components/player/TrackInfo.svelte b/web-player/src/lib/components/player/TrackInfo.svelte
index bc1efae..32c510b 100644
--- a/web-player/src/lib/components/player/TrackInfo.svelte
+++ b/web-player/src/lib/components/player/TrackInfo.svelte
@@ -4,7 +4,7 @@
 	import ExplicitBadge from '$lib/components/ui/ExplicitBadge.svelte';
 </script>
 
-<div class="flex min-w-0 items-center gap-3">
+<div class="flex min-w-0 items-center gap-2.5 md:gap-3">
 	{#if player.current.id}
 		<Cover
 			trackId={player.current.id}
@@ -12,11 +12,11 @@
 			hue={player.current.hue}
 			size="small"
 			alt={player.current.title}
-			class="h-13 w-13 shrink-0 rounded-lg shadow-[0_6px_16px_-6px_rgba(0,0,0,0.6)]"
+			class="h-11 w-11 shrink-0 rounded-lg shadow-[0_6px_16px_-6px_rgba(0,0,0,0.6)] md:h-13 md:w-13"
 		/>
 	{:else}
 		<div
-			class="h-13 w-13 shrink-0 rounded-lg shadow-[0_6px_16px_-6px_rgba(0,0,0,0.6)]"
+			class="h-11 w-11 shrink-0 rounded-lg shadow-[0_6px_16px_-6px_rgba(0,0,0,0.6)] md:h-13 md:w-13"
 			style="background:{player.artGradient}"
 		></div>
 	{/if}
diff --git a/web-player/src/lib/components/player/TransportControls.svelte b/web-player/src/lib/components/player/TransportControls.svelte
index eb23ed1..62b2b6a 100644
--- a/web-player/src/lib/components/player/TransportControls.svelte
+++ b/web-player/src/lib/components/player/TransportControls.svelte
@@ -1,14 +1,21 @@
 <script lang="ts">
 	import { player } from '$lib/player/player.svelte';
+
+	interface Props {
+		compact?: boolean;
+	}
+
+	let { compact = false }: Props = $props();
+
+	const sideClass = $derived(
+		compact
+			? 'grid h-10 w-10 place-items-center text-fg opacity-70 transition active:scale-90'
+			: 'flex text-fg opacity-70 transition hover:opacity-100 active:scale-90'
+	);
 </script>
 
-<div class="flex items-center gap-5">
-	<button
-		type="button"
-		onclick={() => player.previous()}
-		aria-label="Anterior"
-		class="flex text-fg opacity-70 transition hover:opacity-100 active:scale-90"
-	>
+<div class="flex shrink-0 items-center {compact ? 'gap-0.5' : 'gap-5'}">
+	<button type="button" onclick={() => player.previous()} aria-label="Anterior" class={sideClass}>
 		<svg width="16" height="14" viewBox="0 0 16 14" fill="currentColor">
 			<rect x="0" y="0" width="2.5" height="14" rx="1" />
 			<path d="M15 0 5 7l10 7z" />
@@ -19,7 +26,7 @@
 		type="button"
 		onclick={() => player.toggle()}
 		aria-label={player.playing ? 'Pausar' : 'Reproducir'}
-		class="grid h-[36px] w-[36px] place-items-center rounded-full bg-fg text-bg shadow-lg transition duration-100 active:scale-95"
+		class="grid h-[36px] w-[36px] shrink-0 place-items-center rounded-full bg-fg text-bg shadow-lg transition duration-100 active:scale-95"
 	>
 		{#if player.playing}
 			<svg width="12" height="12" viewBox="0 0 12 12" fill="currentColor">
@@ -33,12 +40,7 @@
 		{/if}
 	</button>
 
-	<button
-		type="button"
-		onclick={() => player.next()}
-		aria-label="Siguiente"
-		class="flex text-fg opacity-70 transition hover:opacity-100 active:scale-90"
-	>
+	<button type="button" onclick={() => player.next()} aria-label="Siguiente" class={sideClass}>
 		<svg width="16" height="14" viewBox="0 0 16 14" fill="currentColor">
 			<path d="M1 0 11 7 1 14z" />
 			<rect x="13.5" y="0" width="2.5" height="14" rx="1" />
diff --git a/web-player/src/lib/components/ui/Button.svelte b/web-player/src/lib/components/ui/Button.svelte
index aebe7ef..e3f0977 100644
--- a/web-player/src/lib/components/ui/Button.svelte
+++ b/web-player/src/lib/components/ui/Button.svelte
@@ -35,10 +35,10 @@
 	};
 
 	const variants = {
-		primary: 'bg-accent-soft font-semibold text-on-accent active:scale-[0.97]',
+		primary: 'bg-accent-soft text-on-accent active:scale-[0.97]',
 		secondary: 'border border-line text-fg hover:bg-hover',
-		subtle: 'bg-surface-2 font-semibold text-fg hover:bg-surface-hover',
-		danger: 'bg-danger font-semibold text-on-accent hover:brightness-110'
+		subtle: 'bg-surface-2 text-fg hover:bg-surface-hover',
+		danger: 'bg-danger text-on-accent hover:brightness-110'
 	};
 
 	const classes = $derived(
diff --git a/web-player/src/lib/components/ui/IconButton.svelte b/web-player/src/lib/components/ui/IconButton.svelte
index f379398..e9591ae 100644
--- a/web-player/src/lib/components/ui/IconButton.svelte
+++ b/web-player/src/lib/components/ui/IconButton.svelte
@@ -31,7 +31,9 @@
 	title={label}
 	class="grid place-items-center rounded-control text-muted transition hover:bg-hover hover:text-fg {sizes[
 		size
-	]} {revealOnHover ? 'opacity-0 group-hover:opacity-100 focus-visible:opacity-100' : ''} {klass}"
+	]} {revealOnHover
+		? 'sm:opacity-0 sm:group-hover:opacity-100 sm:focus-visible:opacity-100'
+		: ''} {klass}"
 >
 	{@render children()}
 </button>
diff --git a/web-player/src/lib/components/ui/ImageDropzone.svelte b/web-player/src/lib/components/ui/ImageDropzone.svelte
index ca603bb..11a9f8a 100644
--- a/web-player/src/lib/components/ui/ImageDropzone.svelte
+++ b/web-player/src/lib/components/ui/ImageDropzone.svelte
@@ -10,7 +10,8 @@
 	let {
 		name,
 		fallbackUrl,
-		class: klass = 'h-52 w-52 rounded-control border border-line bg-surface hover:border-accent/50'
+		class:
+			klass = 'h-40 w-40 sm:h-52 sm:w-52 rounded-control border border-line bg-surface hover:border-accent/50'
 	}: Props = $props();
 
 	let preview = $state('');
diff --git a/web-player/src/lib/components/ui/MediaGrid.svelte b/web-player/src/lib/components/ui/MediaGrid.svelte
index 77e6d4b..3edc62f 100644
--- a/web-player/src/lib/components/ui/MediaGrid.svelte
+++ b/web-player/src/lib/components/ui/MediaGrid.svelte
@@ -4,17 +4,24 @@
 	interface Props {
 		as?: 'ul' | 'div';
 		min?: string;
+		minMobile?: string;
 		class?: string;
 		children: Snippet;
 	}
 
-	let { as = 'div', min = '180px', class: klass = '', children }: Props = $props();
+	let {
+		as = 'div',
+		min = '180px',
+		minMobile = '150px',
+		class: klass = '',
+		children
+	}: Props = $props();
 </script>
 
 <svelte:element
 	this={as}
-	class="grid gap-4 {klass}"
-	style="grid-template-columns:repeat(auto-fill,minmax({min},1fr))"
+	class="grid media-grid gap-3 sm:gap-4 {klass}"
+	style="--mf-grid-min:{min}; --mf-grid-min-mobile:{minMobile}"
 >
 	{@render children()}
 </svelte:element>
diff --git a/web-player/src/lib/components/ui/Modal.svelte b/web-player/src/lib/components/ui/Modal.svelte
index b75fc78..e6a2ad3 100644
--- a/web-player/src/lib/components/ui/Modal.svelte
+++ b/web-player/src/lib/components/ui/Modal.svelte
@@ -74,7 +74,7 @@
 	>
 		<div
 			bind:this={panel}
-			class="animate-pop w-full {maxWidth} rounded-panel p-6 shadow-2xl outline-none {panelClass}"
+			class="animate-pop max-h-[85dvh] w-full overflow-y-auto {maxWidth} rounded-panel p-5 shadow-2xl outline-none sm:p-6 {panelClass}"
 			role="dialog"
 			aria-modal="true"
 			aria-label={title}
diff --git a/web-player/src/lib/components/ui/Page.svelte b/web-player/src/lib/components/ui/Page.svelte
index a42833c..9bd75a1 100644
--- a/web-player/src/lib/components/ui/Page.svelte
+++ b/web-player/src/lib/components/ui/Page.svelte
@@ -9,6 +9,6 @@
 	let { class: klass = '', children }: Props = $props();
 </script>
 
-<section class="page-x pt-11 pb-10 {klass}">
+<section class="page-x pt-7 pb-8 sm:pt-11 sm:pb-10 {klass}">
 	{@render children()}
 </section>
diff --git a/web-player/src/lib/components/ui/PageHeader.svelte b/web-player/src/lib/components/ui/PageHeader.svelte
index 9449160..002cfbd 100644
--- a/web-player/src/lib/components/ui/PageHeader.svelte
+++ b/web-player/src/lib/components/ui/PageHeader.svelte
@@ -11,11 +11,11 @@
 	let { title, subtitle, class: klass = '', actions }: Props = $props();
 </script>
 
-<div class="flex items-end justify-between gap-4 {klass}">
+<div class="flex flex-col gap-4 sm:flex-row sm:items-end sm:justify-between {klass}">
 	<div class="min-w-0">
-		<h1 class="text-3xl font-bold tracking-tight text-fg sm:text-4xl">{title}</h1>
+		<h1 class="text-2xl font-bold tracking-tight text-fg sm:text-4xl">{title}</h1>
 		{#if subtitle}
-			<p class="mt-2 text-fg-2">{subtitle}</p>
+			<p class="mt-2 text-sm text-fg-2 sm:text-base">{subtitle}</p>
 		{/if}
 	</div>
 	{#if actions}
diff --git a/web-player/src/lib/components/ui/PlaylistForm.svelte b/web-player/src/lib/components/ui/PlaylistForm.svelte
index c2a317a..38f8f7a 100644
--- a/web-player/src/lib/components/ui/PlaylistForm.svelte
+++ b/web-player/src/lib/components/ui/PlaylistForm.svelte
@@ -53,7 +53,7 @@
 	}}
 	class="mt-4 w-full max-w-4xl space-y-4"
 >
-	<div class="flex items-stretch gap-8">
+	<div class="flex flex-col items-stretch gap-5 sm:flex-row sm:gap-8">
 		<Field label="Portada" optional>
 			<ImageDropzone name="cover" fallbackUrl={coverFallbackUrl} />
 		</Field>
diff --git a/web-player/src/lib/components/ui/SectionHeading.svelte b/web-player/src/lib/components/ui/SectionHeading.svelte
index 85fd131..0d79a9c 100644
--- a/web-player/src/lib/components/ui/SectionHeading.svelte
+++ b/web-player/src/lib/components/ui/SectionHeading.svelte
@@ -7,4 +7,4 @@
 	let { title, class: klass = '' }: Props = $props();
 </script>
 
-<h2 class="mb-6 text-2xl font-bold text-fg {klass}">{title}</h2>
+<h2 class="mb-4 text-xl font-bold text-fg sm:mb-6 sm:text-2xl {klass}">{title}</h2>
diff --git a/web-player/src/lib/components/ui/Surface.svelte b/web-player/src/lib/components/ui/Surface.svelte
index 3d6d9f5..9e0f86d 100644
--- a/web-player/src/lib/components/ui/Surface.svelte
+++ b/web-player/src/lib/components/ui/Surface.svelte
@@ -9,7 +9,7 @@
 
 	let { padding = 'md', class: klass = '', children }: Props = $props();
 
-	const paddings = { sm: 'p-4', md: 'p-6', lg: 'p-12' };
+	const paddings = { sm: 'p-4', md: 'p-5 sm:p-6', lg: 'p-6 sm:p-12' };
 </script>
 
 <div class="rounded-panel border border-line bg-surface transition {paddings[padding]} {klass}">
diff --git a/web-player/src/lib/components/ui/TrackRow.svelte b/web-player/src/lib/components/ui/TrackRow.svelte
index ac081d4..be0d9fe 100644
--- a/web-player/src/lib/components/ui/TrackRow.svelte
+++ b/web-player/src/lib/components/ui/TrackRow.svelte
@@ -16,8 +16,8 @@
 
 <!-- svelte-ignore a11y_no_static_element_interactions -->
 <div
-	class="group grid items-center gap-8 rounded-control px-3 py-2.5 transition hover:bg-surface {klass}"
-	style="grid-template-columns:{table.columns}"
+	class="group grid track-grid items-center gap-3 rounded-control px-2 py-2.5 transition hover:bg-surface sm:gap-8 sm:px-3 {klass}"
+	style="--mf-track-cols:{table.columns}; --mf-track-cols-mobile:{table.columnsMobile}"
 	{oncontextmenu}
 >
 	{@render children()}
diff --git a/web-player/src/lib/components/ui/TrackTable.svelte b/web-player/src/lib/components/ui/TrackTable.svelte
index 14c14c2..6f0301b 100644
--- a/web-player/src/lib/components/ui/TrackTable.svelte
+++ b/web-player/src/lib/components/ui/TrackTable.svelte
@@ -3,6 +3,7 @@
 
 	export interface TrackTableContext {
 		readonly columns: string;
+		readonly columnsMobile: string;
 	}
 </script>
 
@@ -12,24 +13,30 @@
 
 	interface Props {
 		columns: string;
+		columnsMobile?: string;
 		class?: string;
 		headers: Snippet;
 		children: Snippet;
 	}
 
-	let { columns, class: klass = '', headers, children }: Props = $props();
+	let { columns, columnsMobile, class: klass = '', headers, children }: Props = $props();
+
+	const mobile = $derived(columnsMobile ?? columns);
 
 	setContext<TrackTableContext>(trackTableKey, {
 		get columns() {
 			return columns;
+		},
+		get columnsMobile() {
+			return mobile;
 		}
 	});
 </script>
 
 <div class={klass}>
 	<div
-		class="grid items-center gap-8 border-b border-line px-3 pb-2 text-sm font-medium tracking-wide text-muted uppercase"
-		style="grid-template-columns:{columns}"
+		class="grid track-grid items-center gap-3 border-b border-line px-2 pb-2 text-sm font-medium tracking-wide text-muted uppercase sm:gap-8 sm:px-3"
+		style="--mf-track-cols:{columns}; --mf-track-cols-mobile:{mobile}"
 	>
 		{@render headers()}
 	</div>
diff --git a/web-player/src/lib/components/ui/TrackTitleCell.svelte b/web-player/src/lib/components/ui/TrackTitleCell.svelte
index 87b990e..4f28e64 100644
--- a/web-player/src/lib/components/ui/TrackTitleCell.svelte
+++ b/web-player/src/lib/components/ui/TrackTitleCell.svelte
@@ -39,7 +39,7 @@
 		{hue}
 		size="small"
 		alt={title}
-		class="{coverSize} flex-shrink-0 rounded-control"
+		class="{coverSize} shrink-0 rounded-control"
 	>
 		{@render overlay?.()}
 	</Cover>
diff --git a/web-player/src/lib/theme/theme.css b/web-player/src/lib/theme/theme.css
index afed7a3..3db89b9 100644
--- a/web-player/src/lib/theme/theme.css
+++ b/web-player/src/lib/theme/theme.css
@@ -21,5 +21,15 @@
 	--mf-scrim: #000000;
 	--mf-on-art: #ffffff;
 
-	--mf-sidebar-w: 264px;
+	--mf-sidebar-w: 288px;
+	--mf-nav-h: 60px;
+	--mf-player-h: 64px;
+	--mf-safe-b: env(safe-area-inset-bottom, 0px);
+}
+
+@media (width >= 48rem) {
+	:root {
+		--mf-nav-h: 0px;
+		--mf-player-h: 92px;
+	}
 }
diff --git a/web-player/src/routes/(app)/library/+page.svelte b/web-player/src/routes/(app)/library/+page.svelte
index 7055440..495d918 100644
--- a/web-player/src/routes/(app)/library/+page.svelte
+++ b/web-player/src/routes/(app)/library/+page.svelte
@@ -48,13 +48,17 @@
 	</PageHeader>
 
 	{#if items.length > 0}
-		<TrackTable columns="32px 1fr 100px 100px 64px 36px" class="mt-8">
+		<TrackTable
+			columns="32px 1fr 100px 100px 64px 36px"
+			columnsMobile="28px 1fr 52px 32px"
+			class="mt-6 sm:mt-8"
+		>
 			{#snippet headers()}
 				<span class="text-center">#</span>
 				<span>Título</span>
-				<span class="text-center">Subida</span>
-				<span class="text-center">Escuchas</span>
-				<span class="text-center">Duración</span>
+				<span class="hidden text-center sm:block">Subida</span>
+				<span class="hidden text-center sm:block">Escuchas</span>
+				<span class="hidden text-center sm:block">Duración</span>
 				<span></span>
 			{/snippet}
 			{#each items as track, i (track.id)}
@@ -71,8 +75,8 @@
 						hue={hueFor(track.id)}
 						onClick={() => togglePlay(i)}
 					/>
-					<TrackMeta>{fmtDate(track.createdAt)}</TrackMeta>
-					<TrackMeta>{Number(track.listensCount)}</TrackMeta>
+					<TrackMeta class="hidden sm:block">{fmtDate(track.createdAt)}</TrackMeta>
+					<TrackMeta class="hidden sm:block">{Number(track.listensCount)}</TrackMeta>
 					<TrackMeta>{fmtTime(Number(track.duration))}</TrackMeta>
 					<form
 						method="POST"
diff --git a/web-player/src/routes/(app)/playlists/[id]/components/PlaylistHeader.svelte b/web-player/src/routes/(app)/playlists/[id]/components/PlaylistHeader.svelte
index e52fb67..7ef58ec 100644
--- a/web-player/src/routes/(app)/playlists/[id]/components/PlaylistHeader.svelte
+++ b/web-player/src/routes/(app)/playlists/[id]/components/PlaylistHeader.svelte
@@ -34,20 +34,24 @@
 	Volver a tus listas
 </a>
 
-<div class="mt-6 flex flex-col gap-6 sm:flex-row sm:items-end">
+<div class="mt-5 flex flex-col gap-5 sm:mt-6 sm:flex-row sm:items-end sm:gap-6">
 	<PlaylistArt
 		playlistId={id}
 		{trackIds}
 		hue={hueFor(id)}
 		size="large"
 		version={updatedAt}
-		class="h-44 w-44 flex-shrink-0 rounded-art-lg shadow-art-lg"
+		class="h-36 w-36 shrink-0 rounded-art-lg shadow-art-lg sm:h-44 sm:w-44"
 	/>
 	<div class="min-w-0 flex-1">
 		<p class="text-sm tracking-[0.14em] text-fg-3 uppercase">Lista</p>
-		<h1 class="mt-1.5 text-5xl font-bold tracking-tight text-fg sm:text-7xl">{name}</h1>
+		<h1
+			class="mt-1.5 text-3xl font-bold tracking-tight break-words text-fg sm:text-5xl md:text-7xl"
+		>
+			{name}
+		</h1>
 		{#if description}
-			<p class="mt-3 max-w-2xl text-fg-2">{description}</p>
+			<p class="mt-3 max-w-2xl text-sm text-fg-2 sm:text-base">{description}</p>
 		{/if}
 		<p class="mt-3 text-sm text-muted">
 			{trackIds.length}
@@ -56,7 +60,7 @@
 	</div>
 </div>
 
-<div class="mt-7 flex items-center gap-2.5">
+<div class="mt-6 flex flex-wrap items-center gap-2.5 sm:mt-7">
 	<Button size="sm" onclick={onPlayAll} disabled={trackIds.length === 0}>
 		{#if playing}
 			<Pause class="h-4 w-4" fill="currentColor" strokeWidth={1.5} />
diff --git a/web-player/src/routes/(app)/playlists/[id]/components/PlaylistTrackTable.svelte b/web-player/src/routes/(app)/playlists/[id]/components/PlaylistTrackTable.svelte
index 244f373..2d5b3e4 100644
--- a/web-player/src/routes/(app)/playlists/[id]/components/PlaylistTrackTable.svelte
+++ b/web-player/src/routes/(app)/playlists/[id]/components/PlaylistTrackTable.svelte
@@ -32,12 +32,16 @@
 	}
 </script>
 
-<TrackTable columns="32px 1fr 140px 64px 36px" class="mt-8">
+<TrackTable
+	columns="32px 1fr 140px 64px 36px"
+	columnsMobile="28px 1fr 52px 32px"
+	class="mt-6 sm:mt-8"
+>
 	{#snippet headers()}
 		<span class="text-center">#</span>
 		<span>Título</span>
-		<span class="text-center">Añadida</span>
-		<span class="text-center">Duración</span>
+		<span class="hidden text-center sm:block">Añadida</span>
+		<span class="hidden text-center sm:block">Duración</span>
 		<span></span>
 	{/snippet}
 	{#each tracks as track, i (track.id)}
@@ -67,7 +71,7 @@
 					{/if}
 				{/snippet}
 			</TrackTitleCell>
-			<TrackMeta>{fmtDate(track.createdAt)}</TrackMeta>
+			<TrackMeta class="hidden sm:block">{fmtDate(track.createdAt)}</TrackMeta>
 			<TrackMeta>{fmtTime(Number(track.duration))}</TrackMeta>
 			<form
 				method="POST"
diff --git a/web-player/src/routes/(app)/playlists/[id]/components/SuggestionsTable.svelte b/web-player/src/routes/(app)/playlists/[id]/components/SuggestionsTable.svelte
index 4c4f6d3..3f5e253 100644
--- a/web-player/src/routes/(app)/playlists/[id]/components/SuggestionsTable.svelte
+++ b/web-player/src/routes/(app)/playlists/[id]/components/SuggestionsTable.svelte
@@ -82,12 +82,12 @@
 	}
 </script>
 
-<div class="mt-12">
+<div class="mt-10 sm:mt-12">
 	<SectionHeading title="Sugerencias" />
-	<TrackTable columns="1fr 64px 36px">
+	<TrackTable columns="1fr 64px 36px" columnsMobile="1fr 52px 32px">
 		{#snippet headers()}
 			<span>Título</span>
-			<span class="text-center">Duración</span>
+			<span class="hidden text-center sm:block">Duración</span>
 			<span></span>
 		{/snippet}
 		{#each suggestions as item, i (idFor(item))}
diff --git a/web-player/src/routes/(app)/upload/+page.svelte b/web-player/src/routes/(app)/upload/+page.svelte
index a79f92b..3b2fb4a 100644
--- a/web-player/src/routes/(app)/upload/+page.svelte
+++ b/web-player/src/routes/(app)/upload/+page.svelte
@@ -112,7 +112,7 @@
 		subtitle="Añade una canción con su portada y título. Nosotros la procesamos para streaming."
 	/>
 
-	<ol class="mt-10 grid gap-4 sm:grid-cols-3">
+	<ol class="mt-8 grid gap-3 sm:mt-10 sm:grid-cols-3 sm:gap-4">
 		{#each steps as step, i (step.key)}
 			<li>
 				<Surface class={stepClass(stepStates[i])}>
@@ -146,9 +146,11 @@
 				«{publishedTitle}» se está procesando. Aparecerá lista para reproducir en tu biblioteca en
 				unos momentos.
 			</p>
-			<div class="mt-8 flex items-center justify-center gap-4">
-				<Button href="/library" size="lg">Ir a la biblioteca</Button>
-				<Button variant="secondary" size="lg" onclick={reset}>Subir otra</Button>
+			<div class="mt-8 flex flex-col items-center justify-center gap-3 sm:flex-row sm:gap-4">
+				<Button href="/library" size="lg" class="w-full sm:w-auto">Ir a la biblioteca</Button>
+				<Button variant="secondary" size="lg" onclick={reset} class="w-full sm:w-auto">
+					Subir otra
+				</Button>
 			</div>
 		</Surface>
 	{:else}
@@ -182,7 +184,7 @@
 				}}
 				ondragleave={() => (dragging = false)}
 				ondrop={onDrop}
-				class="relative flex min-h-72 flex-col items-center justify-center rounded-panel border border-dashed bg-surface p-10 text-center transition {dropClass}"
+				class="relative flex min-h-56 flex-col items-center justify-center rounded-panel border border-dashed bg-surface p-6 text-center transition sm:min-h-72 sm:p-10 {dropClass}"
 			>
 				<input
 					bind:this={audioInput}
@@ -193,28 +195,32 @@
 					class="absolute inset-0 cursor-pointer opacity-0"
 					aria-label="Seleccionar archivo de audio"
 				/>
-				<span class="grid h-20 w-20 place-items-center rounded-full bg-accent-soft text-on-accent">
+				<span
+					class="grid h-16 w-16 place-items-center rounded-full bg-accent-soft text-on-accent sm:h-20 sm:w-20"
+				>
 					{#if audioName === ''}
-						<Headphones class="h-9 w-9" />
+						<Headphones class="h-8 w-8 sm:h-9 sm:w-9" />
 					{:else}
-						<Music class="h-9 w-9" />
+						<Music class="h-8 w-8 sm:h-9 sm:w-9" />
 					{/if}
 				</span>
 				{#if audioName === ''}
-					<p class="mt-5 text-lg font-medium text-fg">
+					<p class="mt-5 text-base font-medium text-fg sm:text-lg">
 						Arrastra tu audio aquí o haz clic para elegir
 					</p>
 					<p class="mt-2 text-sm text-muted">MP3, FLAC, WAV…</p>
 				{:else}
-					<p class="mt-5 max-w-full truncate text-lg font-medium text-fg">{audioName}</p>
+					<p class="mt-5 max-w-full truncate text-base font-medium text-fg sm:text-lg">
+						{audioName}
+					</p>
 					<p class="mt-2 text-sm text-muted">{formatSize(audioSize)} · Listo para subir</p>
 				{/if}
 			</div>
 
-			<div class="grid items-start gap-8 sm:grid-cols-[auto_1fr]">
+			<div class="grid items-start gap-6 sm:grid-cols-[auto_1fr] sm:gap-8">
 				<Field label="Portada">
 					<label
-						class="relative grid h-44 w-44 cursor-pointer place-items-center overflow-hidden rounded-control border border-line bg-surface transition hover:border-accent/50"
+						class="relative grid h-36 w-36 cursor-pointer place-items-center overflow-hidden rounded-control border border-line bg-surface transition hover:border-accent/50 sm:h-44 sm:w-44"
 					>
 						<input
 							type="file"
@@ -274,9 +280,13 @@
 				<Alert tone="danger">{errorMsg}</Alert>
 			{/if}
 
-			<div class="flex items-center justify-end gap-4">
-				<Button href="/explore" variant="secondary" size="lg">Cancelar</Button>
-				<Button type="submit" size="lg" disabled={!canPublish}>Publicar</Button>
+			<div class="flex flex-col-reverse gap-3 sm:flex-row sm:items-center sm:justify-end sm:gap-4">
+				<Button href="/explore" variant="secondary" size="lg" class="w-full sm:w-auto">
+					Cancelar
+				</Button>
+				<Button type="submit" size="lg" disabled={!canPublish} class="w-full sm:w-auto">
+					Publicar
+				</Button>
 			</div>
 		</form>
 	{/if}
diff --git a/web-player/src/routes/+layout.svelte b/web-player/src/routes/+layout.svelte
index cfb26a7..b3941ce 100644
--- a/web-player/src/routes/+layout.svelte
+++ b/web-player/src/routes/+layout.svelte
@@ -5,6 +5,8 @@
 	import favicon from '$lib/assets/favicon.svg';
 	import PlayerBar from '$lib/components/player/PlayerBar.svelte';
 	import Sidebar from '$lib/components/Sidebar.svelte';
+	import MobileHeader from '$lib/components/MobileHeader.svelte';
+	import MobileNav from '$lib/components/MobileNav.svelte';
 	import { player } from '$lib/player/player.svelte';
 	import { ACCENT_LIGHTNESS, ACCENT_CHROMA, ACCENT_HUE } from '$lib/theme/color';
 	import { page } from '$app/state';
@@ -66,7 +68,13 @@
 	<div class="flex min-h-screen bg-bg text-fg antialiased">
 		<Sidebar user={data.user} />
 		<div class="flex min-w-0 flex-1 flex-col">
-			<main class="flex-1 transition-[padding] {hasTrack ? 'pb-23' : 'pb-0'}">
+			<MobileHeader user={data.user} />
+			<main
+				class="flex-1 transition-[padding]"
+				style="padding-bottom:calc(var(--mf-nav-h) + var(--mf-safe-b) + {hasTrack
+					? 'var(--mf-player-h)'
+					: '0px'})"
+			>
 				{#key page.url.pathname}
 					<div class="animate-fade">{@render children()}</div>
 				{/key}
@@ -74,6 +82,7 @@
 			{#if hasTrack}
 				<PlayerBar />
 			{/if}
+			<MobileNav />
 		</div>
 	</div>
 {/if}
diff --git a/web-player/src/routes/+page.svelte b/web-player/src/routes/+page.svelte
index b3fad19..ddb95b2 100644
--- a/web-player/src/routes/+page.svelte
+++ b/web-player/src/routes/+page.svelte
@@ -168,23 +168,23 @@
 	<meta name="description" content="Tu música, sin límites." />
 </svelte:head>
 
-<section class="relative overflow-hidden page-x pt-11 pb-16">
+<section class="relative overflow-hidden page-x pt-8 pb-10 sm:pt-11 sm:pb-16">
 	<div
 		class="pointer-events-none absolute inset-0 blur-[70px] saturate-150"
 		style="background:linear-gradient(135deg, var(--color-accent), color-mix(in oklch, var(--color-accent), black 55%));animation:breathe 9s ease-in-out infinite"
 	></div>
-	<div class="animate-enter relative flex flex-col gap-2.5">
-		<p class="tracking-[0.14em] text-fg-2 uppercase">{data.greeting}</p>
-		<h1 class="max-w-160 text-5xl leading-[1.05] font-extrabold text-fg">
+	<div class="animate-enter relative flex flex-col gap-2 sm:gap-2.5">
+		<p class="text-sm tracking-[0.14em] text-fg-2 uppercase sm:text-base">{data.greeting}</p>
+		<h1 class="max-w-160 text-3xl leading-[1.05] font-extrabold text-fg sm:text-5xl">
 			Tu música. Sin límites.
 		</h1>
 	</div>
 </section>
 
 {#if recentlyPlayed.length > 0}
-	<section class="page-x pt-6 pb-3">
+	<section class="page-x pt-5 pb-3 sm:pt-6">
 		<SectionHeading title="Escuchado recientemente" />
-		<MediaGrid min="300px">
+		<MediaGrid min="300px" minMobile="220px">
 			{#each recentlyPlayed as track, i (track.id)}
 				<button
 					type="button"
@@ -225,7 +225,7 @@
 {/if}
 
 {#if playlists.length > 0}
-	<section class="page-x pt-6 pb-3">
+	<section class="page-x pt-5 pb-3 sm:pt-6">
 		<SectionHeading title="Mis listas" />
 		<MediaGrid>
 			{#each playlists as playlist, i (playlist.id)}
@@ -242,7 +242,7 @@
 	</section>
 {/if}
 
-<section class="page-x pt-6 pb-10">
+<section class="page-x pt-5 pb-10 sm:pt-6">
 	<SectionHeading title="Novedades" />
 	{#if latest.length > 0}
 		<MediaGrid as="ul">
diff --git a/web-player/src/routes/layout.css b/web-player/src/routes/layout.css
index 669e6a9..27dadc8 100644
--- a/web-player/src/routes/layout.css
+++ b/web-player/src/routes/layout.css
@@ -35,7 +35,27 @@
 }
 
 @utility page-x {
-	padding-inline: --spacing(8);
+	padding-inline: --spacing(4);
+
+	@media (width >= 40rem) {
+		padding-inline: --spacing(8);
+	}
+}
+
+@utility media-grid {
+	grid-template-columns: repeat(auto-fill, minmax(var(--mf-grid-min-mobile), 1fr));
+
+	@media (width >= 40rem) {
+		grid-template-columns: repeat(auto-fill, minmax(var(--mf-grid-min), 1fr));
+	}
+}
+
+@utility track-grid {
+	grid-template-columns: var(--mf-track-cols-mobile);
+
+	@media (width >= 40rem) {
+		grid-template-columns: var(--mf-track-cols);
+	}
 }
 
 @utility scrollbar-stable {
@@ -156,6 +176,8 @@ html {
 	scrollbar-width: thin;
 	scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
 	background-color: var(--mf-bg);
+	-webkit-tap-highlight-color: transparent;
+	overflow-x: hidden;
 }
 
 html.home {