From 7663bcbcd0cb92e5cc92b80fe875a86ed9d67169 Mon Sep 17 00:00:00 2001
From: ralksta <ralksta@users.noreply.github.com>
Date: Sun, 8 Mar 2026 22:57:38 +0100
Subject: [PATCH] refactor: extract individual layout themes from globals.css
 into modular app/themes/*.css architecture

---
 app/globals.css          | 880 +--------------------------------------
 app/themes/classic.css   | 193 +++++++++
 app/themes/editorial.css | 177 ++++++++
 app/themes/minimal.css   | 194 +++++++++
 app/themes/monograph.css | 330 +++++++++++++++
 app/themes/noir.css      | 107 +++++
 6 files changed, 1009 insertions(+), 872 deletions(-)
 create mode 100644 app/themes/classic.css
 create mode 100644 app/themes/editorial.css
 create mode 100644 app/themes/minimal.css
 create mode 100644 app/themes/monograph.css
 create mode 100644 app/themes/noir.css

diff --git a/app/globals.css b/app/globals.css
index 6560094..7e5f5f2 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -1,3 +1,10 @@
+/* ── THEMES ── */
+@import url('./themes/minimal.css');
+@import url('./themes/editorial.css');
+@import url('./themes/classic.css');
+@import url('./themes/noir.css');
+@import url('./themes/monograph.css');
+
 @import url('./tokens.css');
 
 /* ── Header / Navigation ──────────────────────────── */
@@ -1290,877 +1297,6 @@
   color: var(--accent);
 }
 
-/* ══════════════════════════════════════════════════════
-   THEME: Minimal — Swiss Brutalist
-   ══════════════════════════════════════════════════════ */
-
-/* Header: ultra-stripped, no border, just floating text */
-[data-preset='minimal'] .header {
-  border-bottom: none;
-  background: transparent;
-  backdrop-filter: none;
-  -webkit-backdrop-filter: none;
-}
-
-[data-preset='minimal'] .header__nav-link {
-  font-size: 0.6rem;
-  font-weight: 400;
-  letter-spacing: 0.18em;
-  color: var(--text-muted);
-  border-bottom: none;
-}
-
-[data-preset='minimal'] .header__nav-link:hover,
-[data-preset='minimal'] .header__nav-link.active {
-  color: var(--text-primary);
-  border-bottom-color: transparent;
-}
-
-/* Hero: fullbleed image, title overlaid bottom-left */
-[data-preset='minimal'] .hero {
-  grid-template-columns: 1fr;
-  position: relative;
-}
-
-[data-preset='minimal'] .hero__left {
-  position: absolute;
-  bottom: 0;
-  left: 0;
-  z-index: 2;
-  padding: 32px 40px;
-  background: none;
-  align-items: flex-start;
-  justify-content: flex-end;
-}
-
-[data-preset='minimal'] .hero__content {
-  text-align: left;
-}
-
-[data-preset='minimal'] .hero__title {
-  font-family: var(--font-sans);
-  font-size: 0.7rem;
-  font-weight: 400;
-  letter-spacing: 0.2em;
-  text-transform: uppercase;
-  opacity: 0.6;
-}
-
-[data-preset='minimal'] .hero__subtitle {
-  font-size: 0.6rem;
-  letter-spacing: 0.15em;
-  margin-bottom: 16px;
-  opacity: 0.4;
-}
-
-[data-preset='minimal'] .hero__nav {
-  flex-direction: row;
-  gap: 16px;
-}
-
-[data-preset='minimal'] .hero__nav-link {
-  font-size: 0.6rem;
-  letter-spacing: 0.15em;
-  text-transform: uppercase;
-  border-bottom: none;
-  opacity: 0.5;
-  transition: opacity var(--transition-fast);
-}
-
-[data-preset='minimal'] .hero__nav-link:hover {
-  opacity: 1;
-  border-bottom-color: transparent;
-  color: var(--text-primary);
-}
-
-[data-preset='minimal'] .hero__right {
-  grid-column: 1;
-  grid-row: 1;
-  height: 100vh;
-  height: 100svh;
-}
-
-/* Photo grid: zero hover effects, clinical stillness */
-[data-preset='minimal'] .photo-grid {
-  column-gap: 2px;
-}
-
-[data-preset='minimal'] .photo-grid__item {
-  margin-bottom: 2px;
-  border-radius: 0;
-  cursor: pointer;
-}
-
-[data-preset='minimal'] .photo-grid__item:hover img {
-  filter: none;
-  transform: none;
-}
-
-[data-preset='minimal'] .photo-grid__item:active img {
-  filter: brightness(0.8);
-  transform: none;
-}
-
-/* Album cards: no overlay, text below */
-[data-preset='minimal'] .album-card {
-  border: none;
-  border-radius: 0;
-}
-
-[data-preset='minimal'] .album-card:hover {
-  border-color: transparent;
-  transform: none;
-}
-
-[data-preset='minimal'] .album-card:hover .album-card__image {
-  transform: none;
-  filter: none;
-}
-
-[data-preset='minimal'] .album-card__overlay {
-  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 30%);
-  opacity: 1;
-}
-
-[data-preset='minimal'] .album-card__title {
-  font-family: var(--font-sans);
-  font-size: 0.7rem;
-  font-weight: 400;
-  letter-spacing: 0.15em;
-  text-transform: uppercase;
-}
-
-[data-preset='minimal'] .album-card__count {
-  font-size: 0.6rem;
-  font-weight: 400;
-  letter-spacing: 0.1em;
-}
-
-/* Section labels: numbered indices */
-[data-preset='minimal'] .section-label {
-  font-size: 0.6rem;
-  letter-spacing: 0.2em;
-  color: var(--text-muted);
-}
-
-/* Footer: single line, ultra-minimal */
-[data-preset='minimal'] .footer {
-  border-top: none;
-}
-
-[data-preset='minimal'] .footer__name {
-  font-size: 0.6rem;
-  letter-spacing: 0.15em;
-}
-
-/* Album & Subpage header */
-[data-preset='minimal'] .album-header__title,
-[data-preset='minimal'] .subpage-title {
-  font-family: var(--font-sans);
-  font-size: 0.85rem;
-  letter-spacing: 0.2em;
-  text-transform: uppercase;
-  font-weight: 400;
-}
-
-[data-preset='minimal'] .album-header__meta,
-[data-preset='minimal'] .subpage-subtitle {
-  font-size: 0.7rem;
-  letter-spacing: 0.1em;
-}
-
-/* Subpage grid */
-[data-preset='minimal'] .subpage-grid {
-  gap: 2px;
-}
-
-[data-preset='minimal'] .subpage-grid__item {
-  border: none;
-}
-
-[data-preset='minimal'] .subpage-grid__item-title {
-  font-family: var(--font-sans);
-  font-size: 0.75rem;
-  letter-spacing: 0.12em;
-  text-transform: uppercase;
-}
-
-/* ══════════════════════════════════════════════════════
-   THEME: Editorial — Cinematic Magazine
-   ══════════════════════════════════════════════════════ */
-
-/* Header: transparent, magazine masthead feel */
-[data-preset='editorial'] .header {
-  background: transparent;
-  backdrop-filter: none;
-  -webkit-backdrop-filter: none;
-  border-bottom: 1px solid var(--border-subtle);
-}
-
-[data-preset='editorial'] .header__nav-link {
-  font-family: var(--font-sans);
-  font-size: 0.65rem;
-  font-weight: 400;
-  letter-spacing: 0.18em;
-}
-
-/* Hero: dramatic oversized serif title */
-[data-preset='editorial'] .hero__title {
-  font-size: 4.5rem;
-  font-weight: 300;
-  letter-spacing: 0.02em;
-  text-transform: none;
-  line-height: 1;
-}
-
-[data-preset='editorial'] .hero__subtitle {
-  font-family: var(--font-caption);
-  font-size: 0.9rem;
-  font-weight: 400;
-  letter-spacing: 0.08em;
-  text-transform: none;
-  font-style: italic;
-  margin-bottom: 48px;
-  opacity: 0.7;
-}
-
-[data-preset='editorial'] .hero__nav-link {
-  font-family: var(--font-caption);
-  font-size: 0.8rem;
-  font-style: italic;
-  font-weight: 400;
-  letter-spacing: 0.06em;
-  text-transform: none;
-  border-bottom: none;
-}
-
-[data-preset='editorial'] .hero__nav-link:hover {
-  color: var(--accent);
-  border-bottom-color: transparent;
-}
-
-/* Photo grid: generous spacing, cinematic transitions */
-[data-preset='editorial'] .photo-grid {
-  column-gap: 32px;
-}
-
-[data-preset='editorial'] .photo-grid__item {
-  margin-bottom: 32px;
-}
-
-[data-preset='editorial'] .photo-grid__item img {
-  transition:
-    filter 1.5s ease,
-    transform 1.5s ease;
-  filter: saturate(0.7) brightness(0.95);
-}
-
-[data-preset='editorial'] .photo-grid__item:hover img {
-  filter: saturate(1) brightness(1);
-  transform: scale(1.01);
-}
-
-/* Album cards: text below, editorial layout */
-[data-preset='editorial'] .album-card {
-  border: none;
-  border-radius: 0;
-  aspect-ratio: 16 / 9;
-}
-
-[data-preset='editorial'] .album-card:hover {
-  transform: none;
-  border-color: transparent;
-}
-
-[data-preset='editorial'] .album-card__overlay {
-  justify-content: flex-start;
-  padding: 28px;
-  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, transparent 40%);
-}
-
-[data-preset='editorial'] .album-card__title {
-  font-size: 2rem;
-  font-weight: 300;
-  letter-spacing: 0.02em;
-  text-transform: none;
-}
-
-[data-preset='editorial'] .album-card__count {
-  font-family: var(--font-caption);
-  font-style: italic;
-  font-size: 0.8rem;
-}
-
-[data-preset='editorial'] .album-card:hover .album-card__image {
-  transform: scale(1.015);
-  filter: brightness(0.8);
-  transition:
-    transform 1.5s ease,
-    filter 1.5s ease;
-}
-
-/* Section labels: pull-quote style with left border */
-[data-preset='editorial'] .section-label {
-  font-family: var(--font-caption);
-  font-size: 0.8rem;
-  font-style: italic;
-  font-weight: 400;
-  letter-spacing: 0.08em;
-  text-transform: none;
-  color: var(--text-secondary);
-  padding-left: 16px;
-  border-left: 2px solid var(--accent);
-}
-
-/* Album header: large cinematic title */
-[data-preset='editorial'] .album-header__title {
-  font-size: 3rem;
-  font-weight: 300;
-  letter-spacing: 0.02em;
-  text-transform: none;
-}
-
-/* Album & Subpage Header overrides */
-[data-preset='editorial'] .album-header__title,
-[data-preset='editorial'] .subpage-title {
-  font-family: var(--font-serif);
-  font-size: 5rem;
-  font-weight: 400;
-  letter-spacing: -0.02em;
-}
-
-[data-preset='editorial'] .album-header__meta,
-[data-preset='editorial'] .subpage-subtitle {
-  font-family: var(--font-sans);
-  font-size: 0.8rem;
-  letter-spacing: 0.1em;
-  text-transform: uppercase;
-}
-
-/* Footer: centered italic attribution */
-[data-preset='editorial'] .footer__name {
-  font-family: var(--font-caption);
-  font-style: italic;
-  text-transform: none;
-  letter-spacing: 0.06em;
-  font-size: 0.8rem;
-}
-
-/* Subpage grid */
-[data-preset='editorial'] .subpage-grid {
-  gap: 2px;
-}
-
-[data-preset='editorial'] .subpage-grid__item {
-  border: none;
-  aspect-ratio: 16 / 9;
-}
-
-[data-preset='editorial'] .subpage-grid__item-title {
-  font-size: 1.4rem;
-  letter-spacing: 0.02em;
-  font-weight: 300;
-  text-transform: none;
-}
-
-/* ══════════════════════════════════════════════════════
-   THEME: Classic — Gilded Gallery
-   ══════════════════════════════════════════════════════ */
-
-/* Header: centered nav with gold accent */
-[data-preset='classic'] .header {
-  background: rgba(18, 18, 16, 0.92);
-  border-bottom: 1px solid rgba(196, 154, 60, 0.15);
-}
-
-[data-preset='classic'][data-theme='light'] .header {
-  background: rgba(253, 251, 245, 0.92);
-}
-
-[data-preset='classic'] .header__nav {
-  justify-content: center;
-}
-
-[data-preset='classic'] .header__nav-link {
-  font-size: 0.7rem;
-  font-weight: 400;
-  letter-spacing: 0.14em;
-  padding: 20px 18px;
-}
-
-/* Hero: elegant centered card above banner */
-[data-preset='classic'] .hero__left {
-  padding: 80px 48px;
-}
-
-[data-preset='classic'] .hero__title {
-  font-size: 2.8rem;
-  font-weight: 400;
-  letter-spacing: 0.12em;
-  text-transform: uppercase;
-  line-height: 1.2;
-}
-
-[data-preset='classic'] .hero__subtitle {
-  font-family: var(--font-caption);
-  font-size: 0.85rem;
-  font-weight: 400;
-  letter-spacing: 0.15em;
-  font-style: italic;
-  margin-bottom: 12px;
-}
-
-/* Decorative ornament beneath subtitle */
-[data-preset='classic'] .hero__subtitle::after {
-  content: '◆';
-  display: block;
-  margin-top: 20px;
-  font-size: 0.5rem;
-  color: var(--accent);
-  letter-spacing: 0;
-}
-
-[data-preset='classic'] .hero__nav-link {
-  font-family: var(--font-caption);
-  font-size: 0.8rem;
-  font-weight: 400;
-  letter-spacing: 0.1em;
-  font-style: italic;
-  text-transform: none;
-  border-bottom: none;
-}
-
-[data-preset='classic'] .hero__nav-link:hover {
-  color: var(--accent);
-  border-bottom-color: transparent;
-}
-
-/* Photo grid: warm passepartout, elegant hover */
-[data-preset='classic'] .photo-grid {
-  column-gap: var(--grid-gap, 20px);
-}
-
-[data-preset='classic'] .photo-grid__item {
-  margin-bottom: var(--grid-gap, 20px);
-}
-
-[data-preset='classic'] .photo-grid__item:hover img {
-  filter: brightness(0.9);
-  transform: scale(1.01);
-}
-
-/* Warm passepartout override */
-[data-preset='classic'][data-photo-frame='passepartout'] .photo-grid__item {
-  background: #1a1816;
-  border-color: rgba(196, 154, 60, 0.12);
-}
-
-[data-preset='classic'][data-photo-frame='passepartout'][data-theme='light'] .photo-grid__item {
-  background: #fffdf5;
-  border-color: rgba(196, 154, 60, 0.2);
-}
-
-/* Album cards: warm rounded, gold hover */
-[data-preset='classic'] .album-card {
-  border-radius: 12px;
-  border: 1px solid rgba(196, 154, 60, 0.1);
-  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
-}
-
-[data-preset='classic'][data-theme='light'] .album-card {
-  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
-  border-color: rgba(196, 154, 60, 0.15);
-}
-
-[data-preset='classic'] .album-card:hover {
-  border-color: var(--accent);
-  transform: translateY(-3px);
-  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
-}
-
-[data-preset='classic'] .album-card__title {
-  font-weight: 400;
-  letter-spacing: 0.06em;
-}
-
-[data-preset='classic'] .album-card__count {
-  font-family: var(--font-caption);
-  font-style: italic;
-}
-
-/* Section labels: decorative centered dividers */
-[data-preset='classic'] .section-label {
-  text-align: center;
-  font-family: var(--font-caption);
-  font-weight: 400;
-  letter-spacing: 0.25em;
-  font-size: 0.7rem;
-  color: var(--text-muted);
-}
-
-[data-preset='classic'] .section-label::before {
-  content: '— ';
-  color: var(--accent);
-}
-
-[data-preset='classic'] .section-label::after {
-  content: ' —';
-  color: var(--accent);
-}
-
-/* Album & Subpage header: elegant serif */
-[data-preset='classic'] .album-header__title,
-[data-preset='classic'] .subpage-title {
-  font-weight: 400;
-  letter-spacing: 0.1em;
-  font-size: 2.2rem;
-}
-
-[data-preset='classic'] .album-header__meta,
-[data-preset='classic'] .subpage-subtitle {
-  font-family: var(--font-caption);
-  font-style: italic;
-}
-
-/* Footer: ornamental */
-[data-preset='classic'] .footer {
-  border-top: 1px solid rgba(196, 154, 60, 0.15);
-}
-
-[data-preset='classic'] .footer__name {
-  font-family: var(--font-caption);
-  font-style: italic;
-  text-transform: none;
-  letter-spacing: 0.08em;
-  font-size: 0.8rem;
-}
-
-/* Scroll-to-top: gold border */
-[data-preset='classic'] .scroll-to-top {
-  border-radius: 12px;
-}
-
-[data-preset='classic'] .scroll-to-top:hover {
-  border-color: var(--accent);
-  color: var(--accent);
-}
-
-/* Subpage grid: warm borders */
-[data-preset='classic'] .subpage-grid__item {
-  border: 1px solid rgba(196, 154, 60, 0.1);
-  border-radius: 8px;
-  overflow: hidden;
-}
-
-[data-preset='classic'] .subpage-grid__item-title {
-  font-weight: 400;
-  letter-spacing: 0.06em;
-}
-
-/* ══════════════════════════════════════════════════════
-   THEME: Noir — Darkroom Analog
-   ══════════════════════════════════════════════════════ */
-
-/* Header: transparent with subtle warm border */
-[data-preset='noir'] .header {
-  background: transparent;
-  backdrop-filter: none;
-  -webkit-backdrop-filter: none;
-  border-bottom: 1px solid rgba(255, 107, 53, 0.1);
-}
-
-[data-preset='noir'] .header__nav-link {
-  font-size: 0.65rem;
-  font-weight: 400;
-  letter-spacing: 0.15em;
-}
-
-/* Photo grid: warm analog feel */
-[data-preset='noir'] .photo-grid__item img {
-  filter: sepia(0.08) contrast(1.02);
-  transition:
-    filter 0.8s ease,
-    transform 0.8s ease,
-    box-shadow 0.8s ease;
-}
-
-[data-preset='noir'] .photo-grid__item:hover img {
-  filter: sepia(0) contrast(1) brightness(0.88);
-  transform: scale(1.01);
-}
-
-/* Vignette hover effect */
-[data-preset='noir'] .photo-grid__item::before {
-  content: '';
-  position: absolute;
-  inset: 0;
-  z-index: 1;
-  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0);
-  pointer-events: none;
-  transition: box-shadow 0.8s ease;
-}
-
-[data-preset='noir'] .photo-grid__item:hover::before {
-  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.4);
-}
-
-/* Film-edge EXIF labels */
-[data-preset='noir'] .photo-grid__item-exif {
-  font-family: var(--font-caption);
-  font-size: 0.6rem;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
-  color: rgba(255, 200, 150, 0.7);
-}
-
-/* Album cards */
-[data-preset='noir'] .album-card {
-  border: none;
-  border-radius: 0;
-}
-
-[data-preset='noir'] .album-card:hover {
-  transform: none;
-  border-color: transparent;
-}
-
-[data-preset='noir'] .album-card__title {
-  font-weight: 400;
-  letter-spacing: 0.04em;
-}
-
-/* Section labels */
-[data-preset='noir'] .section-label {
-  font-family: var(--font-caption);
-  font-size: 0.6rem;
-  letter-spacing: 0.15em;
-  text-transform: uppercase;
-}
-
-/* Album & Subpage header */
-[data-preset='noir'] .album-header__title,
-[data-preset='noir'] .subpage-title {
-  font-weight: 300;
-  letter-spacing: 0.04em;
-}
-
-/* Footer */
-[data-preset='noir'] .footer {
-  border-top: 1px solid rgba(255, 107, 53, 0.1);
-}
-
-[data-preset='noir'] .footer__name {
-  font-family: var(--font-caption);
-  font-size: 0.65rem;
-  letter-spacing: 0.12em;
-}
-
-/* Subpage grid */
-[data-preset='noir'] .subpage-grid__item {
-  border: none;
-}
-
-[data-preset='noir'] .subpage-grid__item-title {
-  font-weight: 400;
-  letter-spacing: 0.05em;
-}
-
-/* ══════════════════════════════════════════════════════
-   THEME: Monograph — Typographic / Book
-   ══════════════════════════════════════════════════════ */
-
-/* Header: thin hairline border, centered */
-[data-preset='monograph'] .header {
-  background: transparent;
-  backdrop-filter: none;
-  -webkit-backdrop-filter: none;
-  border-bottom: 1px solid var(--border-subtle);
-}
-
-[data-preset='monograph'] .header__nav {
-  justify-content: center;
-}
-
-[data-preset='monograph'] .header__nav-link {
-  font-size: 0.6rem;
-  font-weight: 400;
-  letter-spacing: 0.2em;
-  color: var(--text-muted);
-}
-
-[data-preset='monograph'] .header__nav-link:hover,
-[data-preset='monograph'] .header__nav-link.active {
-  color: var(--text-primary);
-  border-bottom-color: var(--text-primary);
-}
-
-/* Photo grid: numbered indices with CSS counter */
-[data-preset='monograph'] .photo-grid {
-  counter-reset: photo-index;
-  column-gap: 40px;
-}
-
-[data-preset='monograph'] .photo-grid__item {
-  counter-increment: photo-index;
-  margin-bottom: 48px;
-}
-
-[data-preset='monograph'] .photo-grid__item::before {
-  content: counter(photo-index, decimal-leading-zero);
-  position: absolute;
-  top: -28px;
-  left: 0;
-  font-family: var(--font-caption);
-  font-size: 0.65rem;
-  font-weight: 400;
-  letter-spacing: 0.1em;
-  color: var(--text-muted);
-  z-index: 2;
-  pointer-events: none;
-}
-
-[data-preset='monograph'] .photo-grid__item:hover img {
-  filter: none;
-  transform: none;
-}
-
-[data-preset='monograph'] .photo-grid__item:active img {
-  filter: brightness(0.85);
-  transform: none;
-}
-
-/* Caption slide-up on hover */
-[data-preset='monograph'] .photo-grid__item-exif {
-  position: absolute;
-  bottom: 0;
-  left: 0;
-  right: 0;
-  background: var(--bg-card);
-  color: var(--text-secondary);
-  font-family: var(--font-caption);
-  font-size: 0.65rem;
-  letter-spacing: 0.05em;
-  padding: 10px 12px;
-  opacity: 0;
-  transform: translateY(100%);
-  transition:
-    opacity 0.4s ease,
-    transform 0.4s ease;
-}
-
-[data-preset='monograph'] .photo-grid__item:hover .photo-grid__item-exif {
-  opacity: 1;
-  transform: translateY(0);
-}
-
-/* Album cards: minimal text below */
-[data-preset='monograph'] .album-card {
-  border: 1px solid var(--border-subtle);
-  border-radius: 0;
-}
-
-[data-preset='monograph'] .album-card:hover {
-  border-color: var(--text-primary);
-  transform: none;
-}
-
-[data-preset='monograph'] .album-card:hover .album-card__image {
-  transform: none;
-  filter: none;
-}
-
-[data-preset='monograph'] .album-card__overlay {
-  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 30%);
-  opacity: 1;
-}
-
-[data-preset='monograph'] .album-card__title {
-  font-family: var(--font-sans);
-  font-size: 0.75rem;
-  font-weight: 400;
-  letter-spacing: 0.12em;
-  text-transform: uppercase;
-}
-
-[data-preset='monograph'] .album-card__count {
-  font-family: var(--font-caption);
-  font-size: 0.6rem;
-  letter-spacing: 0.08em;
-}
-
-/* Section labels: thin hairline rule */
-[data-preset='monograph'] .section-label {
-  font-family: var(--font-sans);
-  font-size: 0.6rem;
-  letter-spacing: 0.2em;
-  color: var(--text-muted);
-  padding-bottom: 12px;
-  border-bottom: 1px solid var(--border-subtle);
-}
-
-/* Album & Subpage header: large serif with wide spacing */
-[data-preset='monograph'] .album-header {
-  margin-bottom: 72px;
-}
-
-[data-preset='monograph'] .album-header__title,
-[data-preset='monograph'] .subpage-title {
-  font-family: var(--font-serif);
-  font-size: 3rem;
-  font-weight: 400;
-  letter-spacing: 0.02em;
-  text-transform: none;
-}
-
-[data-preset='monograph'] .album-header__meta,
-[data-preset='monograph'] .subpage-subtitle {
-  font-family: var(--font-caption);
-  font-size: 0.75rem;
-  letter-spacing: 0.05em;
-  margin-top: 12px;
-}
-
-/* Footer */
-[data-preset='monograph'] .footer {
-  border-top: 1px solid var(--border-subtle);
-}
-
-[data-preset='monograph'] .footer__name {
-  font-size: 0.6rem;
-  letter-spacing: 0.15em;
-}
-
-/* Main: extra generous margins */
-[data-preset='monograph']~body .main {
-  padding: 80px 60px 120px;
-}
-
-/* Subpage grid */
-[data-preset='monograph'] .subpage-grid {
-  gap: 1px;
-}
-
-[data-preset='monograph'] .subpage-grid__item {
-  border: 1px solid var(--border-subtle);
-}
-
-[data-preset='monograph'] .subpage-grid__item-title {
-  font-family: var(--font-sans);
-  font-size: 0.7rem;
-  letter-spacing: 0.15em;
-  text-transform: uppercase;
-}
-
-@media (max-width: 1024px) {
-  .photo-grid {
-    --grid-columns: 2;
-  }
-
-  .album-grid {
-    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-  }
-}
-
 @media (max-width: 640px) {
   .hero {
     grid-template-columns: 1fr;
@@ -2294,4 +1430,4 @@
   [data-preset='monograph'] .album-header__title {
     font-size: 2rem;
   }
-}
\ No newline at end of file
+}
diff --git a/app/themes/classic.css b/app/themes/classic.css
new file mode 100644
index 0000000..486b154
--- /dev/null
+++ b/app/themes/classic.css
@@ -0,0 +1,193 @@
+/* ══════════════════════════════════════════════════════
+   THEME: Classic — Gilded Gallery
+   ══════════════════════════════════════════════════════ */
+
+/* Header: centered nav with gold accent */
+[data-preset='classic'] .header {
+  background: rgba(18, 18, 16, 0.92);
+  border-bottom: 1px solid rgba(196, 154, 60, 0.15);
+}
+
+[data-preset='classic'][data-theme='light'] .header {
+  background: rgba(253, 251, 245, 0.92);
+}
+
+[data-preset='classic'] .header__nav {
+  justify-content: center;
+}
+
+[data-preset='classic'] .header__nav-link {
+  font-size: 0.7rem;
+  font-weight: 400;
+  letter-spacing: 0.14em;
+  padding: 20px 18px;
+}
+
+/* Hero: elegant centered card above banner */
+[data-preset='classic'] .hero__left {
+  padding: 80px 48px;
+}
+
+[data-preset='classic'] .hero__title {
+  font-size: 2.8rem;
+  font-weight: 400;
+  letter-spacing: 0.12em;
+  text-transform: uppercase;
+  line-height: 1.2;
+}
+
+[data-preset='classic'] .hero__subtitle {
+  font-family: var(--font-caption);
+  font-size: 0.85rem;
+  font-weight: 400;
+  letter-spacing: 0.15em;
+  font-style: italic;
+  margin-bottom: 12px;
+}
+
+/* Decorative ornament beneath subtitle */
+[data-preset='classic'] .hero__subtitle::after {
+  content: '◆';
+  display: block;
+  margin-top: 20px;
+  font-size: 0.5rem;
+  color: var(--accent);
+  letter-spacing: 0;
+}
+
+[data-preset='classic'] .hero__nav-link {
+  font-family: var(--font-caption);
+  font-size: 0.8rem;
+  font-weight: 400;
+  letter-spacing: 0.1em;
+  font-style: italic;
+  text-transform: none;
+  border-bottom: none;
+}
+
+[data-preset='classic'] .hero__nav-link:hover {
+  color: var(--accent);
+  border-bottom-color: transparent;
+}
+
+/* Photo grid: warm passepartout, elegant hover */
+[data-preset='classic'] .photo-grid {
+  column-gap: var(--grid-gap, 20px);
+}
+
+[data-preset='classic'] .photo-grid__item {
+  margin-bottom: var(--grid-gap, 20px);
+}
+
+[data-preset='classic'] .photo-grid__item:hover img {
+  filter: brightness(0.9);
+  transform: scale(1.01);
+}
+
+/* Warm passepartout override */
+[data-preset='classic'][data-photo-frame='passepartout'] .photo-grid__item {
+  background: #1a1816;
+  border-color: rgba(196, 154, 60, 0.12);
+}
+
+[data-preset='classic'][data-photo-frame='passepartout'][data-theme='light'] .photo-grid__item {
+  background: #fffdf5;
+  border-color: rgba(196, 154, 60, 0.2);
+}
+
+/* Album cards: warm rounded, gold hover */
+[data-preset='classic'] .album-card {
+  border-radius: 12px;
+  border: 1px solid rgba(196, 154, 60, 0.1);
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
+}
+
+[data-preset='classic'][data-theme='light'] .album-card {
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
+  border-color: rgba(196, 154, 60, 0.15);
+}
+
+[data-preset='classic'] .album-card:hover {
+  border-color: var(--accent);
+  transform: translateY(-3px);
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+}
+
+[data-preset='classic'] .album-card__title {
+  font-weight: 400;
+  letter-spacing: 0.06em;
+}
+
+[data-preset='classic'] .album-card__count {
+  font-family: var(--font-caption);
+  font-style: italic;
+}
+
+/* Section labels: decorative centered dividers */
+[data-preset='classic'] .section-label {
+  text-align: center;
+  font-family: var(--font-caption);
+  font-weight: 400;
+  letter-spacing: 0.25em;
+  font-size: 0.7rem;
+  color: var(--text-muted);
+}
+
+[data-preset='classic'] .section-label::before {
+  content: '— ';
+  color: var(--accent);
+}
+
+[data-preset='classic'] .section-label::after {
+  content: ' —';
+  color: var(--accent);
+}
+
+/* Album & Subpage header: elegant serif */
+[data-preset='classic'] .album-header__title,
+[data-preset='classic'] .subpage-title {
+  font-weight: 400;
+  letter-spacing: 0.1em;
+  font-size: 2.2rem;
+}
+
+[data-preset='classic'] .album-header__meta,
+[data-preset='classic'] .subpage-subtitle {
+  font-family: var(--font-caption);
+  font-style: italic;
+}
+
+/* Footer: ornamental */
+[data-preset='classic'] .footer {
+  border-top: 1px solid rgba(196, 154, 60, 0.15);
+}
+
+[data-preset='classic'] .footer__name {
+  font-family: var(--font-caption);
+  font-style: italic;
+  text-transform: none;
+  letter-spacing: 0.08em;
+  font-size: 0.8rem;
+}
+
+/* Scroll-to-top: gold border */
+[data-preset='classic'] .scroll-to-top {
+  border-radius: 12px;
+}
+
+[data-preset='classic'] .scroll-to-top:hover {
+  border-color: var(--accent);
+  color: var(--accent);
+}
+
+/* Subpage grid: warm borders */
+[data-preset='classic'] .subpage-grid__item {
+  border: 1px solid rgba(196, 154, 60, 0.1);
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+[data-preset='classic'] .subpage-grid__item-title {
+  font-weight: 400;
+  letter-spacing: 0.06em;
+}
diff --git a/app/themes/editorial.css b/app/themes/editorial.css
new file mode 100644
index 0000000..0a13307
--- /dev/null
+++ b/app/themes/editorial.css
@@ -0,0 +1,177 @@
+/* ══════════════════════════════════════════════════════
+   THEME: Editorial — Cinematic Magazine
+   ══════════════════════════════════════════════════════ */
+
+/* Header: transparent, magazine masthead feel */
+[data-preset='editorial'] .header {
+  background: transparent;
+  backdrop-filter: none;
+  -webkit-backdrop-filter: none;
+  border-bottom: 1px solid var(--border-subtle);
+}
+
+[data-preset='editorial'] .header__nav-link {
+  font-family: var(--font-sans);
+  font-size: 0.65rem;
+  font-weight: 400;
+  letter-spacing: 0.18em;
+}
+
+/* Hero: dramatic oversized serif title */
+[data-preset='editorial'] .hero__title {
+  font-size: 4.5rem;
+  font-weight: 300;
+  letter-spacing: 0.02em;
+  text-transform: none;
+  line-height: 1;
+}
+
+[data-preset='editorial'] .hero__subtitle {
+  font-family: var(--font-caption);
+  font-size: 0.9rem;
+  font-weight: 400;
+  letter-spacing: 0.08em;
+  text-transform: none;
+  font-style: italic;
+  margin-bottom: 48px;
+  opacity: 0.7;
+}
+
+[data-preset='editorial'] .hero__nav-link {
+  font-family: var(--font-caption);
+  font-size: 0.8rem;
+  font-style: italic;
+  font-weight: 400;
+  letter-spacing: 0.06em;
+  text-transform: none;
+  border-bottom: none;
+}
+
+[data-preset='editorial'] .hero__nav-link:hover {
+  color: var(--accent);
+  border-bottom-color: transparent;
+}
+
+/* Photo grid: generous spacing, cinematic transitions */
+[data-preset='editorial'] .photo-grid {
+  column-gap: 32px;
+}
+
+[data-preset='editorial'] .photo-grid__item {
+  margin-bottom: 32px;
+}
+
+[data-preset='editorial'] .photo-grid__item img {
+  transition:
+    filter 1.5s ease,
+    transform 1.5s ease;
+  filter: saturate(0.7) brightness(0.95);
+}
+
+[data-preset='editorial'] .photo-grid__item:hover img {
+  filter: saturate(1) brightness(1);
+  transform: scale(1.01);
+}
+
+/* Album cards: text below, editorial layout */
+[data-preset='editorial'] .album-card {
+  border: none;
+  border-radius: 0;
+  aspect-ratio: 16 / 9;
+}
+
+[data-preset='editorial'] .album-card:hover {
+  transform: none;
+  border-color: transparent;
+}
+
+[data-preset='editorial'] .album-card__overlay {
+  justify-content: flex-start;
+  padding: 28px;
+  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, transparent 40%);
+}
+
+[data-preset='editorial'] .album-card__title {
+  font-size: 2rem;
+  font-weight: 300;
+  letter-spacing: 0.02em;
+  text-transform: none;
+}
+
+[data-preset='editorial'] .album-card__count {
+  font-family: var(--font-caption);
+  font-style: italic;
+  font-size: 0.8rem;
+}
+
+[data-preset='editorial'] .album-card:hover .album-card__image {
+  transform: scale(1.015);
+  filter: brightness(0.8);
+  transition:
+    transform 1.5s ease,
+    filter 1.5s ease;
+}
+
+/* Section labels: pull-quote style with left border */
+[data-preset='editorial'] .section-label {
+  font-family: var(--font-caption);
+  font-size: 0.8rem;
+  font-style: italic;
+  font-weight: 400;
+  letter-spacing: 0.08em;
+  text-transform: none;
+  color: var(--text-secondary);
+  padding-left: 16px;
+  border-left: 2px solid var(--accent);
+}
+
+/* Album header: large cinematic title */
+[data-preset='editorial'] .album-header__title {
+  font-size: 3rem;
+  font-weight: 300;
+  letter-spacing: 0.02em;
+  text-transform: none;
+}
+
+/* Album & Subpage Header overrides */
+[data-preset='editorial'] .album-header__title,
+[data-preset='editorial'] .subpage-title {
+  font-family: var(--font-serif);
+  font-size: 5rem;
+  font-weight: 400;
+  letter-spacing: -0.02em;
+}
+
+[data-preset='editorial'] .album-header__meta,
+[data-preset='editorial'] .subpage-subtitle {
+  font-family: var(--font-sans);
+  font-size: 0.8rem;
+  letter-spacing: 0.1em;
+  text-transform: uppercase;
+}
+
+/* Footer: centered italic attribution */
+[data-preset='editorial'] .footer__name {
+  font-family: var(--font-caption);
+  font-style: italic;
+  text-transform: none;
+  letter-spacing: 0.06em;
+  font-size: 0.8rem;
+}
+
+/* Subpage grid */
+[data-preset='editorial'] .subpage-grid {
+  gap: 2px;
+}
+
+[data-preset='editorial'] .subpage-grid__item {
+  border: none;
+  aspect-ratio: 16 / 9;
+}
+
+[data-preset='editorial'] .subpage-grid__item-title {
+  font-size: 1.4rem;
+  letter-spacing: 0.02em;
+  font-weight: 300;
+  text-transform: none;
+}
diff --git a/app/themes/minimal.css b/app/themes/minimal.css
new file mode 100644
index 0000000..0d6b6d1
--- /dev/null
+++ b/app/themes/minimal.css
@@ -0,0 +1,194 @@
+/* ══════════════════════════════════════════════════════
+   THEME: Minimal — Swiss Brutalist
+   ══════════════════════════════════════════════════════ */
+
+/* Header: ultra-stripped, no border, just floating text */
+[data-preset='minimal'] .header {
+  border-bottom: none;
+  background: transparent;
+  backdrop-filter: none;
+  -webkit-backdrop-filter: none;
+}
+
+[data-preset='minimal'] .header__nav-link {
+  font-size: 0.6rem;
+  font-weight: 400;
+  letter-spacing: 0.18em;
+  color: var(--text-muted);
+  border-bottom: none;
+}
+
+[data-preset='minimal'] .header__nav-link:hover,
+[data-preset='minimal'] .header__nav-link.active {
+  color: var(--text-primary);
+  border-bottom-color: transparent;
+}
+
+/* Hero: fullbleed image, title overlaid bottom-left */
+[data-preset='minimal'] .hero {
+  grid-template-columns: 1fr;
+  position: relative;
+}
+
+[data-preset='minimal'] .hero__left {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  z-index: 2;
+  padding: 32px 40px;
+  background: none;
+  align-items: flex-start;
+  justify-content: flex-end;
+}
+
+[data-preset='minimal'] .hero__content {
+  text-align: left;
+}
+
+[data-preset='minimal'] .hero__title {
+  font-family: var(--font-sans);
+  font-size: 0.7rem;
+  font-weight: 400;
+  letter-spacing: 0.2em;
+  text-transform: uppercase;
+  opacity: 0.6;
+}
+
+[data-preset='minimal'] .hero__subtitle {
+  font-size: 0.6rem;
+  letter-spacing: 0.15em;
+  margin-bottom: 16px;
+  opacity: 0.4;
+}
+
+[data-preset='minimal'] .hero__nav {
+  flex-direction: row;
+  gap: 16px;
+}
+
+[data-preset='minimal'] .hero__nav-link {
+  font-size: 0.6rem;
+  letter-spacing: 0.15em;
+  text-transform: uppercase;
+  border-bottom: none;
+  opacity: 0.5;
+  transition: opacity var(--transition-fast);
+}
+
+[data-preset='minimal'] .hero__nav-link:hover {
+  opacity: 1;
+  border-bottom-color: transparent;
+  color: var(--text-primary);
+}
+
+[data-preset='minimal'] .hero__right {
+  grid-column: 1;
+  grid-row: 1;
+  height: 100vh;
+  height: 100svh;
+}
+
+/* Photo grid: zero hover effects, clinical stillness */
+[data-preset='minimal'] .photo-grid {
+  column-gap: 2px;
+}
+
+[data-preset='minimal'] .photo-grid__item {
+  margin-bottom: 2px;
+  border-radius: 0;
+  cursor: pointer;
+}
+
+[data-preset='minimal'] .photo-grid__item:hover img {
+  filter: none;
+  transform: none;
+}
+
+[data-preset='minimal'] .photo-grid__item:active img {
+  filter: brightness(0.8);
+  transform: none;
+}
+
+/* Album cards: no overlay, text below */
+[data-preset='minimal'] .album-card {
+  border: none;
+  border-radius: 0;
+}
+
+[data-preset='minimal'] .album-card:hover {
+  border-color: transparent;
+  transform: none;
+}
+
+[data-preset='minimal'] .album-card:hover .album-card__image {
+  transform: none;
+  filter: none;
+}
+
+[data-preset='minimal'] .album-card__overlay {
+  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 30%);
+  opacity: 1;
+}
+
+[data-preset='minimal'] .album-card__title {
+  font-family: var(--font-sans);
+  font-size: 0.7rem;
+  font-weight: 400;
+  letter-spacing: 0.15em;
+  text-transform: uppercase;
+}
+
+[data-preset='minimal'] .album-card__count {
+  font-size: 0.6rem;
+  font-weight: 400;
+  letter-spacing: 0.1em;
+}
+
+/* Section labels: numbered indices */
+[data-preset='minimal'] .section-label {
+  font-size: 0.6rem;
+  letter-spacing: 0.2em;
+  color: var(--text-muted);
+}
+
+/* Footer: single line, ultra-minimal */
+[data-preset='minimal'] .footer {
+  border-top: none;
+}
+
+[data-preset='minimal'] .footer__name {
+  font-size: 0.6rem;
+  letter-spacing: 0.15em;
+}
+
+/* Album & Subpage header */
+[data-preset='minimal'] .album-header__title,
+[data-preset='minimal'] .subpage-title {
+  font-family: var(--font-sans);
+  font-size: 0.85rem;
+  letter-spacing: 0.2em;
+  text-transform: uppercase;
+  font-weight: 400;
+}
+
+[data-preset='minimal'] .album-header__meta,
+[data-preset='minimal'] .subpage-subtitle {
+  font-size: 0.7rem;
+  letter-spacing: 0.1em;
+}
+
+/* Subpage grid */
+[data-preset='minimal'] .subpage-grid {
+  gap: 2px;
+}
+
+[data-preset='minimal'] .subpage-grid__item {
+  border: none;
+}
+
+[data-preset='minimal'] .subpage-grid__item-title {
+  font-family: var(--font-sans);
+  font-size: 0.75rem;
+  letter-spacing: 0.12em;
+  text-transform: uppercase;
+}
diff --git a/app/themes/monograph.css b/app/themes/monograph.css
new file mode 100644
index 0000000..92e882f
--- /dev/null
+++ b/app/themes/monograph.css
@@ -0,0 +1,330 @@
+/* ══════════════════════════════════════════════════════
+   THEME: Monograph — Typographic / Book
+   ══════════════════════════════════════════════════════ */
+
+/* Header: thin hairline border, centered */
+[data-preset='monograph'] .header {
+  background: transparent;
+  backdrop-filter: none;
+  -webkit-backdrop-filter: none;
+  border-bottom: 1px solid var(--border-subtle);
+}
+
+[data-preset='monograph'] .header__nav {
+  justify-content: center;
+}
+
+[data-preset='monograph'] .header__nav-link {
+  font-size: 0.6rem;
+  font-weight: 400;
+  letter-spacing: 0.2em;
+  color: var(--text-muted);
+}
+
+[data-preset='monograph'] .header__nav-link:hover,
+[data-preset='monograph'] .header__nav-link.active {
+  color: var(--text-primary);
+  border-bottom-color: var(--text-primary);
+}
+
+/* Photo grid: numbered indices with CSS counter */
+[data-preset='monograph'] .photo-grid {
+  counter-reset: photo-index;
+  column-gap: 40px;
+}
+
+[data-preset='monograph'] .photo-grid__item {
+  counter-increment: photo-index;
+  margin-bottom: 48px;
+}
+
+[data-preset='monograph'] .photo-grid__item::before {
+  content: counter(photo-index, decimal-leading-zero);
+  position: absolute;
+  top: -28px;
+  left: 0;
+  font-family: var(--font-caption);
+  font-size: 0.65rem;
+  font-weight: 400;
+  letter-spacing: 0.1em;
+  color: var(--text-muted);
+  z-index: 2;
+  pointer-events: none;
+}
+
+[data-preset='monograph'] .photo-grid__item:hover img {
+  filter: none;
+  transform: none;
+}
+
+[data-preset='monograph'] .photo-grid__item:active img {
+  filter: brightness(0.85);
+  transform: none;
+}
+
+/* Caption slide-up on hover */
+[data-preset='monograph'] .photo-grid__item-exif {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  background: var(--bg-card);
+  color: var(--text-secondary);
+  font-family: var(--font-caption);
+  font-size: 0.65rem;
+  letter-spacing: 0.05em;
+  padding: 10px 12px;
+  opacity: 0;
+  transform: translateY(100%);
+  transition:
+    opacity 0.4s ease,
+    transform 0.4s ease;
+}
+
+[data-preset='monograph'] .photo-grid__item:hover .photo-grid__item-exif {
+  opacity: 1;
+  transform: translateY(0);
+}
+
+/* Album cards: minimal text below */
+[data-preset='monograph'] .album-card {
+  border: 1px solid var(--border-subtle);
+  border-radius: 0;
+}
+
+[data-preset='monograph'] .album-card:hover {
+  border-color: var(--text-primary);
+  transform: none;
+}
+
+[data-preset='monograph'] .album-card:hover .album-card__image {
+  transform: none;
+  filter: none;
+}
+
+[data-preset='monograph'] .album-card__overlay {
+  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 30%);
+  opacity: 1;
+}
+
+[data-preset='monograph'] .album-card__title {
+  font-family: var(--font-sans);
+  font-size: 0.75rem;
+  font-weight: 400;
+  letter-spacing: 0.12em;
+  text-transform: uppercase;
+}
+
+[data-preset='monograph'] .album-card__count {
+  font-family: var(--font-caption);
+  font-size: 0.6rem;
+  letter-spacing: 0.08em;
+}
+
+/* Section labels: thin hairline rule */
+[data-preset='monograph'] .section-label {
+  font-family: var(--font-sans);
+  font-size: 0.6rem;
+  letter-spacing: 0.2em;
+  color: var(--text-muted);
+  padding-bottom: 12px;
+  border-bottom: 1px solid var(--border-subtle);
+}
+
+/* Album & Subpage header: large serif with wide spacing */
+[data-preset='monograph'] .album-header {
+  margin-bottom: 72px;
+}
+
+[data-preset='monograph'] .album-header__title,
+[data-preset='monograph'] .subpage-title {
+  font-family: var(--font-serif);
+  font-size: 3rem;
+  font-weight: 400;
+  letter-spacing: 0.02em;
+  text-transform: none;
+}
+
+[data-preset='monograph'] .album-header__meta,
+[data-preset='monograph'] .subpage-subtitle {
+  font-family: var(--font-caption);
+  font-size: 0.75rem;
+  letter-spacing: 0.05em;
+  margin-top: 12px;
+}
+
+/* Footer */
+[data-preset='monograph'] .footer {
+  border-top: 1px solid var(--border-subtle);
+}
+
+[data-preset='monograph'] .footer__name {
+  font-size: 0.6rem;
+  letter-spacing: 0.15em;
+}
+
+/* Main: extra generous margins */
+[data-preset='monograph']~body .main {
+  padding: 80px 60px 120px;
+}
+
+/* Subpage grid */
+[data-preset='monograph'] .subpage-grid {
+  gap: 1px;
+}
+
+[data-preset='monograph'] .subpage-grid__item {
+  border: 1px solid var(--border-subtle);
+}
+
+[data-preset='monograph'] .subpage-grid__item-title {
+  font-family: var(--font-sans);
+  font-size: 0.7rem;
+  letter-spacing: 0.15em;
+  text-transform: uppercase;
+}
+
+@media (max-width: 1024px) {
+  .photo-grid {
+    --grid-columns: 2;
+  }
+
+  .album-grid {
+    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+  }
+}
+
+@media (max-width: 640px) {
+  .hero {
+    grid-template-columns: 1fr;
+  }
+
+  .hero__right {
+    order: -1;
+    height: 50vh;
+    height: 50svh;
+    min-height: 200px;
+  }
+
+  .hero__left {
+    padding: 40px 24px;
+  }
+
+  .hero__title {
+    font-size: 2rem;
+  }
+
+  .photo-grid {
+    --grid-columns: 1;
+  }
+
+  .album-grid {
+    grid-template-columns: 1fr;
+  }
+
+  .subpage-grid {
+    grid-template-columns: 1fr;
+  }
+
+  .main {
+    padding: 32px 20px 80px;
+  }
+
+  .header__nav-link {
+    padding: 14px 10px;
+    font-size: 0.6rem;
+  }
+
+  .album-header__title {
+    font-size: 1.8rem;
+  }
+
+  .album-card__overlay {
+    opacity: 1;
+  }
+
+  .subpage-grid__item-overlay {
+    opacity: 1;
+  }
+
+  [data-photo-frame='passepartout'] .photo-grid__item {
+    padding: 6px 6px 18px;
+  }
+
+  /* Minimal: adjust fullbleed hero for mobile */
+  [data-preset='minimal'] .hero__left {
+    padding: 20px 24px;
+  }
+
+  [data-preset='minimal'] .hero__right {
+    height: 70vh;
+    height: 70svh;
+  }
+
+  /* Editorial: scale down oversized title */
+  [data-preset='editorial'] .hero__title {
+    font-size: 2.5rem;
+  }
+
+  [data-preset='editorial'] .album-header__title {
+    font-size: 2rem;
+  }
+
+  /* Classic: scale title */
+  [data-preset='classic'] .hero__title {
+    font-size: 2rem;
+  }
+
+  /* Stacked: compact overlay */
+  .hero__stacked-overlay {
+    padding: 24px 20px;
+  }
+
+  .hero--stacked .hero__title {
+    font-size: 2rem;
+  }
+
+  .hero__thumbnail-item {
+    padding: 12px 20px;
+  }
+
+  /* Typographic: scale down massive title */
+  .hero--typographic {
+    padding: 40px 24px;
+  }
+
+  .hero--typographic .hero__title {
+    font-size: 3.5rem;
+  }
+
+  /* Mosaic: simplify to 2-column */
+  .hero__mosaic-grid {
+    grid-template-columns: 1fr 1fr;
+    grid-template-rows: auto;
+  }
+
+  .hero__mosaic-cell--1 {
+    grid-row: auto;
+  }
+
+  .hero__mosaic-cell--2 {
+    grid-column: auto;
+  }
+
+  .hero__mosaic-cell:nth-child(n + 5) {
+    display: none;
+  }
+
+  .hero__mosaic-overlay {
+    padding: 24px 28px;
+  }
+
+  .hero--mosaic .hero__title {
+    font-size: 2rem;
+  }
+
+  /* Monograph: scale album header */
+  [data-preset='monograph'] .album-header__title {
+    font-size: 2rem;
+  }
+}
diff --git a/app/themes/noir.css b/app/themes/noir.css
new file mode 100644
index 0000000..37fef20
--- /dev/null
+++ b/app/themes/noir.css
@@ -0,0 +1,107 @@
+/* ══════════════════════════════════════════════════════
+   THEME: Noir — Darkroom Analog
+   ══════════════════════════════════════════════════════ */
+
+/* Header: transparent with subtle warm border */
+[data-preset='noir'] .header {
+  background: transparent;
+  backdrop-filter: none;
+  -webkit-backdrop-filter: none;
+  border-bottom: 1px solid rgba(255, 107, 53, 0.1);
+}
+
+[data-preset='noir'] .header__nav-link {
+  font-size: 0.65rem;
+  font-weight: 400;
+  letter-spacing: 0.15em;
+}
+
+/* Photo grid: warm analog feel */
+[data-preset='noir'] .photo-grid__item img {
+  filter: sepia(0.08) contrast(1.02);
+  transition:
+    filter 0.8s ease,
+    transform 0.8s ease,
+    box-shadow 0.8s ease;
+}
+
+[data-preset='noir'] .photo-grid__item:hover img {
+  filter: sepia(0) contrast(1) brightness(0.88);
+  transform: scale(1.01);
+}
+
+/* Vignette hover effect */
+[data-preset='noir'] .photo-grid__item::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  z-index: 1;
+  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0);
+  pointer-events: none;
+  transition: box-shadow 0.8s ease;
+}
+
+[data-preset='noir'] .photo-grid__item:hover::before {
+  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.4);
+}
+
+/* Film-edge EXIF labels */
+[data-preset='noir'] .photo-grid__item-exif {
+  font-family: var(--font-caption);
+  font-size: 0.6rem;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: rgba(255, 200, 150, 0.7);
+}
+
+/* Album cards */
+[data-preset='noir'] .album-card {
+  border: none;
+  border-radius: 0;
+}
+
+[data-preset='noir'] .album-card:hover {
+  transform: none;
+  border-color: transparent;
+}
+
+[data-preset='noir'] .album-card__title {
+  font-weight: 400;
+  letter-spacing: 0.04em;
+}
+
+/* Section labels */
+[data-preset='noir'] .section-label {
+  font-family: var(--font-caption);
+  font-size: 0.6rem;
+  letter-spacing: 0.15em;
+  text-transform: uppercase;
+}
+
+/* Album & Subpage header */
+[data-preset='noir'] .album-header__title,
+[data-preset='noir'] .subpage-title {
+  font-weight: 300;
+  letter-spacing: 0.04em;
+}
+
+/* Footer */
+[data-preset='noir'] .footer {
+  border-top: 1px solid rgba(255, 107, 53, 0.1);
+}
+
+[data-preset='noir'] .footer__name {
+  font-family: var(--font-caption);
+  font-size: 0.65rem;
+  letter-spacing: 0.12em;
+}
+
+/* Subpage grid */
+[data-preset='noir'] .subpage-grid__item {
+  border: none;
+}
+
+[data-preset='noir'] .subpage-grid__item-title {
+  font-weight: 400;
+  letter-spacing: 0.05em;
+}