/* ========== DESIGN TOKENS ========== */
:root {
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-ui: 'Geist', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;

  --bg: #FAFAF7;
  --bg-elev: #FFFFFF;
  --bg-sunk: #F2F1ED;
  --ink: #0E0E0C;
  --ink-2: #44443F;
  --ink-3: #8C8B83;
  --ink-4: #C9C7BE;
  --line: #E8E6DE;
  --line-2: #DDDBD2;

  --accent: #E55A4B;
  --accent-soft: #FBE7E3;
  --gold: #C8A24A;
  --sage: #6B8266;

  --r-xs: 6px; --r-sm: 10px; --r-md: 14px; --r-lg: 22px; --r-xl: 32px;
  --shadow-1: 0 1px 2px rgba(14,14,12,.04),0 1px 1px rgba(14,14,12,.03);
  --shadow-2: 0 4px 14px rgba(14,14,12,.06),0 2px 4px rgba(14,14,12,.04);
  --shadow-3: 0 18px 50px rgba(14,14,12,.10),0 6px 14px rgba(14,14,12,.06);
  --shadow-pop: 0 30px 80px rgba(14,14,12,.22),0 10px 24px rgba(14,14,12,.12);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;overflow:hidden}
body{font-family:var(--font-ui);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
#app{width:100%;height:100vh;overflow:hidden;display:flex;flex-direction:column}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0}
input,textarea{font-family:inherit;color:inherit}
a{text-decoration:none;color:inherit}

/* ===== APP SHELL ===== */
.app{width:100%;height:100vh;display:grid;grid-template-columns:248px 1fr;background:var(--bg);overflow:hidden;position:relative}

/* ===== SIDEBAR ===== */
.sidebar{border-right:1px solid var(--line);background:var(--bg);display:flex;flex-direction:column;padding:22px 18px;gap:6px;overflow:hidden}
.brand{display:flex;align-items:baseline;gap:8px;padding:4px 6px 18px}
.brand-mark{font-family:var(--font-display);font-size:28px;font-style:italic;letter-spacing:-0.02em;line-height:1}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;align-self:center}
.nav-section-label{font-size:11px;font-weight:500;letter-spacing:0.06em;text-transform:uppercase;color:var(--ink-3);padding:14px 8px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-2);cursor:pointer;transition:background .15s;font-weight:450;text-decoration:none}
.nav-item:hover{background:var(--bg-sunk)}
.nav-item.active{background:var(--ink);color:white}
.nav-item .count{margin-left:auto;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.nav-item.active .count{color:rgba(255,255,255,.5)}
.sidebar-footer{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}
.sidebar-footer .name{font-size:13px;font-weight:500;line-height:1.2}
.sidebar-footer .email{font-size:11px;color:var(--ink-3);line-height:1.2;margin-top:2px}

/* ===== AVATAR ===== */
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#E8C9A0,#C29066);display:grid;place-items:center;color:white;font-weight:600;font-size:13px;flex:0 0 32px;overflow:hidden;border:1px solid var(--line)}
.avatar.sm{width:22px;height:22px;font-size:10px}
.avatar.lg{width:44px;height:44px;font-size:16px}
.avatar.xs{width:18px;height:18px;font-size:9px;border-width:1.5px;border-color:var(--bg)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:500;border:1px solid var(--line);background:var(--bg-elev);color:var(--ink);transition:all .15s;white-space:nowrap;cursor:pointer}
.btn:hover{background:var(--bg-sunk)}
.btn-primary{background:var(--ink);color:white;border-color:var(--ink)}
.btn-primary:hover{background:#1c1c19}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:var(--bg-sunk)}
.btn-sm{height:30px;padding:0 12px;font-size:12px}
.btn-lg{height:44px;padding:0 20px;font-size:14px}
.btn-icon{width:36px;padding:0;justify-content:center}

/* ===== MAIN AREA ===== */
.main{overflow:auto;position:relative;display:flex;flex-direction:column;height:100vh}
.topbar{display:flex;align-items:center;gap:14px;padding:18px 32px;border-bottom:1px solid var(--line);background:rgba(250,250,247,.85);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.topbar .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.topbar .crumbs .here{color:var(--ink);font-weight:500}
.topbar .search{margin-left:auto;position:relative;width:240px}
.topbar .search input{width:100%;height:34px;padding:0 12px 0 32px;border:1px solid var(--line);background:var(--bg-elev);border-radius:var(--r-sm);font-size:13px;outline:none}
.topbar .search input:focus{border-color:var(--ink-3)}
.topbar .search .sicon{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--ink-3)}

/* ===== HOME ===== */
.section-title{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:44px;line-height:1;letter-spacing:-0.02em;margin:0}
.section-sub{color:var(--ink-3);font-size:13px;margin-top:8px}
.albums-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 22px;padding:24px 32px 60px}
.album-card{cursor:pointer;display:flex;flex-direction:column}
.album-cover-wrap{position:relative;aspect-ratio:4/3;margin-bottom:14px}
.album-cover-back{position:absolute;inset:0;background:var(--bg-sunk);border-radius:var(--r-md);transform:rotate(-1.6deg) translate(-4px,4px);border:1px solid var(--line);z-index:0}
.album-cover{position:relative;z-index:1;width:100%;height:100%;border-radius:var(--r-md);background:var(--bg-sunk) center/cover;box-shadow:var(--shadow-2);transition:transform .25s,box-shadow .25s;overflow:hidden}
.album-card:hover .album-cover{transform:translateY(-2px);box-shadow:var(--shadow-3)}
.album-cover .badge{position:absolute;top:12px;left:12px;background:rgba(14,14,12,.7);color:white;font-size:11px;padding:4px 9px;border-radius:999px;backdrop-filter:blur(6px);font-weight:500;display:flex;align-items:center;gap:5px}
.album-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.album-title{font-family:var(--font-display);font-style:italic;font-size:22px;line-height:1.1;letter-spacing:-0.01em;margin:0 0 4px}
.album-info{font-size:12px;color:var(--ink-3);display:flex;gap:8px;align-items:center}
.album-info .dot{width:2px;height:2px;background:var(--ink-4);border-radius:50%}
.album-people{display:flex;margin-left:6px}
.album-people .avatar{margin-left:-7px}
.album-people .avatar:first-child{margin-left:0}
.new-album-card{aspect-ratio:4/3;border:1.5px dashed var(--line-2);border-radius:var(--r-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--ink-3);background:transparent;margin-bottom:14px;transition:all .2s;cursor:pointer}
.new-album-card:hover{border-color:var(--ink);color:var(--ink);background:rgba(255,255,255,.5)}
.new-album-card .plus{width:36px;height:36px;border-radius:50%;background:var(--bg-elev);border:1px solid var(--line);display:grid;place-items:center}

/* ===== ALBUM DETAIL ===== */
.album-hero{padding:40px 32px 28px;border-bottom:1px solid var(--line)}
.album-hero-row{display:flex;align-items:flex-end;gap:32px;justify-content:space-between}
.album-hero h1{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:80px;line-height:0.95;letter-spacing:-0.025em;margin:0}
.album-hero .meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--ink-3)}
.album-hero .meta .pill{display:inline-flex;gap:6px;align-items:center}
.album-hero .meta .sep{color:var(--ink-4)}
.album-actions{display:flex;gap:8px}
.album-toolbar{display:flex;align-items:center;gap:10px;padding:14px 32px;border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}
.tabs{display:flex;gap:4px;background:var(--bg-sunk);padding:3px;border-radius:999px}
.tab{padding:6px 14px;font-size:12.5px;font-weight:500;border-radius:999px;color:var(--ink-2);transition:background .15s;cursor:pointer;border:none;background:none}
.tab.active{background:var(--bg-elev);color:var(--ink);box-shadow:var(--shadow-1)}
.layout-toggle{display:flex;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;height:32px}
.layout-toggle button{padding:0 10px;display:grid;place-items:center;color:var(--ink-3);border-right:1px solid var(--line);background:none;cursor:pointer}
.layout-toggle button:last-child{border-right:0}
.layout-toggle button.active{background:var(--ink);color:white}

/* ===== PHOTO GRID ===== */
.photo-grid{padding:22px 32px 80px}
.grid-justified .row{display:flex;gap:6px;margin-bottom:6px}
.grid-justified .photo{height:220px;position:relative;flex:0 0 auto;border-radius:4px;overflow:hidden;background:var(--bg-sunk) center/cover;cursor:pointer}
.grid-square{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.grid-square .photo{position:relative;aspect-ratio:1;border-radius:4px;overflow:hidden;background:var(--bg-sunk) center/cover;cursor:pointer}
.grid-masonry{column-count:4;column-gap:6px}
.grid-masonry .photo{position:relative;border-radius:4px;overflow:hidden;background:var(--bg-sunk);cursor:pointer;margin-bottom:6px;break-inside:avoid;display:block;width:100%}
.grid-masonry .photo img{width:100%;height:auto;display:block}
.photo .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 50%,rgba(0,0,0,.45) 100%);opacity:0;transition:opacity .2s;pointer-events:none}
.photo:hover .overlay{opacity:1}
.photo .photo-meta{position:absolute;bottom:8px;left:10px;right:10px;display:flex;align-items:center;justify-content:space-between;color:white;font-size:11px;opacity:0;transition:opacity .2s}
.photo:hover .photo-meta{opacity:1}
.photo .like-pill{background:rgba(0,0,0,.5);border-radius:999px;padding:3px 8px;display:flex;align-items:center;gap:4px;backdrop-filter:blur(6px)}
.photo .like-pill.is-liked{background:rgba(229,90,75,.9)}
.photo .uploader{display:flex;align-items:center;gap:5px}
.photo .corner-like{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.35);color:white;opacity:0;transition:opacity .15s,transform .15s;backdrop-filter:blur(6px);border:none;cursor:pointer}
.photo:hover .corner-like{opacity:1}
.photo .corner-like:hover{transform:scale(1.1)}
.photo .corner-like.is-liked{opacity:1;background:var(--accent)}

/* ===== LIGHTBOX ===== */
.lightbox-bg{position:fixed;inset:0;background:rgba(14,14,12,.92);display:grid;grid-template-columns:1fr 360px;z-index:100;backdrop-filter:blur(8px)}
.lb-stage{position:relative;display:grid;place-items:center;padding:40px;overflow:hidden}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:4px;box-shadow:var(--shadow-pop)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.08);color:white;display:grid;place-items:center;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(8px);cursor:pointer}
.lb-nav:hover{background:rgba(255,255,255,.15)}
.lb-nav.prev{left:20px}
.lb-nav.next{right:20px}
.lb-close{position:absolute;top:18px;left:18px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);color:white;display:grid;place-items:center;border:1px solid rgba(255,255,255,.14);cursor:pointer}
.lb-counter{position:absolute;top:24px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.7);font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:0.04em}
.lb-side{background:var(--bg-elev);padding:28px;overflow:auto;display:flex;flex-direction:column;gap:22px}
.lb-side h3{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:30px;line-height:1.05;margin:0}
.lb-uploader{display:flex;align-items:center;gap:10px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lb-uploader .name{font-size:13px;font-weight:500}
.lb-uploader .when{font-size:12px;color:var(--ink-3);margin-top:2px}
.lb-stat-row{display:flex;gap:12px}
.lb-stat{flex:1;padding:12px;background:var(--bg-sunk);border-radius:var(--r-sm)}
.lb-stat .l{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:0.05em}
.lb-stat .v{font-size:16px;font-weight:500;margin-top:4px;font-variant-numeric:tabular-nums}
.lb-actions{display:flex;flex-direction:column;gap:8px}
.like-btn{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-md);background:var(--bg-sunk);font-size:13px;font-weight:500;width:100%;transition:all .2s;border:none;cursor:pointer}
.like-btn:hover{background:var(--accent-soft)}
.like-btn.is-liked{background:var(--accent);color:white}
.like-btn .count{margin-left:auto;font-variant-numeric:tabular-nums;opacity:.7}
.like-btn.is-liked .count{opacity:1}
.lb-likers{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-3)}
.lb-exif{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;font-size:12px}
.lb-exif .l{color:var(--ink-3)}
.lb-exif .v{color:var(--ink);font-variant-numeric:tabular-nums}

/* ===== MODALS ===== */
.modal-bg{position:fixed;inset:0;background:rgba(14,14,12,.5);display:grid;place-items:center;z-index:200;backdrop-filter:blur(6px);padding:20px}
.modal{background:var(--bg-elev);border-radius:var(--r-lg);width:min(640px,100%);box-shadow:var(--shadow-pop);overflow:hidden;max-height:92vh;display:flex;flex-direction:column}
.modal-narrow{width:min(560px,100%)}
.modal-head{padding:22px 24px 16px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between}
.modal-head h2{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:32px;letter-spacing:-0.01em;margin:0}
.modal-head p{font-size:13px;color:var(--ink-3);margin:6px 0 0}
.modal-body{display:flex;flex-direction:column;overflow:auto}
.modal-body-inner{padding:22px 24px;display:flex;flex-direction:column;gap:18px}
.modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg)}
.dropzone{margin:20px 24px 8px;border:1.5px dashed var(--line-2);border-radius:var(--r-lg);padding:56px 32px;text-align:center;background:rgba(255,255,255,.5);transition:all .2s}
.dropzone.is-over{border-color:var(--ink);background:var(--bg-elev)}
.dropzone .ico{width:56px;height:56px;border-radius:50%;background:var(--bg-sunk);display:grid;place-items:center;margin:0 auto 18px;color:var(--ink-2)}
.dropzone h3{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:32px;margin:0;letter-spacing:-0.01em}
.dropzone p{font-size:13px;color:var(--ink-3);margin:8px 0 22px}
.upload-stats{padding:12px 24px;display:flex;align-items:center;justify-content:space-between}
.upload-stats .left{font-size:13px;font-weight:500}
.upload-stats .right{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.upload-bar{margin:0 24px 16px;height:4px;background:var(--bg-sunk);border-radius:2px;overflow:hidden}
.upload-bar>span{display:block;height:100%;background:var(--ink);transition:width .3s}
.upload-list{margin:0 24px 24px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-elev);overflow:hidden}
.upload-row{display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.upload-row:last-child{border-bottom:0}
.upload-thumb{width:56px;height:56px;border-radius:8px;background:var(--bg-sunk) center/cover;position:relative;overflow:hidden}
.upload-done-ov{position:absolute;inset:0;background:rgba(107,130,102,.85);display:grid;place-items:center;color:white}
.upload-info .nm{font-size:13px;font-weight:500}
.upload-info .sub{font-size:11px;color:var(--ink-3);margin-top:3px;font-variant-numeric:tabular-nums}
.upload-prog{height:4px;background:var(--bg-sunk);border-radius:2px;overflow:hidden;margin-top:6px}
.upload-prog>span{display:block;height:100%;background:var(--ink);transition:width .25s}
.upload-row.done .upload-prog>span{background:var(--sage)}
.upload-status{font-size:11px;color:var(--ink-3);font-variant-numeric:tabular-nums;text-align:right;min-width:64px}
.upload-row.done .upload-status{color:var(--sage)}

/* ===== FORM ===== */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;font-weight:500;color:var(--ink-2)}
.input,.textarea{border:1px solid var(--line);background:var(--bg-elev);border-radius:var(--r-sm);padding:10px 12px;font-size:14px;outline:none;transition:border-color .15s;width:100%}
.input:focus,.textarea:focus{border-color:var(--ink)}
.textarea{resize:vertical;min-height:70px;font-family:inherit}
.cover-options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cover-opt{aspect-ratio:4/3;border-radius:var(--r-sm);background:var(--bg-sunk) center/cover;border:2px solid transparent;position:relative;overflow:hidden;cursor:pointer}
.cover-opt.sel{border-color:var(--ink)}
.cover-opt.sel::after{content:'';position:absolute;inset:0;border:2px solid white;border-radius:inherit}
.invite-wrap{display:flex;gap:8px;flex-wrap:wrap;padding:8px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg-elev);min-height:44px;align-items:center}
.invite-wrap input{flex:1;min-width:120px;border:0;outline:none;background:transparent;font-size:13px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 4px;background:var(--bg-sunk);border-radius:999px;font-size:12px}
.chip .x{width:14px;height:14px;border-radius:50%;display:grid;place-items:center;color:var(--ink-3);cursor:pointer}
.chip .x:hover{background:var(--ink-4);color:white}
.share-link{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.share-link .url{flex:1;padding:10px 12px;font-size:12px;color:var(--ink-2);font-family:var(--font-mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.share-link button{padding:0 14px;border-left:1px solid var(--line);font-size:12px;font-weight:500;height:40px;background:var(--bg-sunk);cursor:pointer}
.perm-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.perm-row:not(:last-child){border-bottom:1px solid var(--line)}
.perm-row .lbl{font-size:13px;font-weight:500}
.perm-row .desc{font-size:12px;color:var(--ink-3);margin-top:2px}
.toggle{width:36px;height:22px;border-radius:999px;background:var(--ink-4);position:relative;transition:background .2s;flex:0 0 36px;border:none;cursor:pointer}
.toggle::after{content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:white;transition:left .2s;box-shadow:var(--shadow-1)}
.toggle.on{background:var(--ink)}
.toggle.on::after{left:16px}
.perm-box{border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 14px;background:var(--bg-elev)}

/* ===== ICONS ===== */
.ic{display:inline-block;vertical-align:middle}

/* ===== BLAZOR SYSTEM ===== */
.blazor-error-boundary{background:#b32121;padding:1rem;color:white;display:none}
#blazor-error-ui{display:none}