/* ============================================================
   COLLECTOR — Main Stylesheet
   Dark mode default, light mode via [data-theme="light"]
   ============================================================ */

/* === VARIABLES === */
:root {
    --bg:          #0f1117;
    --bg2:         #161923;
    --bg3:         #1e2235;
    --bg4:         #252b40;
    --border:      #2d3452;
    --border2:     #3a4268;
    --accent:      #6c63ff;
    --accent-h:    #857dff;
    --accent-d:    #5248e0;
    --accent-glow: rgba(108,99,255,.25);
    --teal:        #00d4aa;
    --teal-h:      #1de8bb;
    --red:         #ff4757;
    --orange:      #ffa502;
    --green:       #2ed573;
    --blue:        #1e90ff;
    --gold:        #ffd700;
    --txt:         #eef0f8;
    --txt2:        #8a8fb5;
    --txt3:        #555c80;
    --shadow:      0 4px 24px rgba(0,0,0,.45);
    --shadow-h:    0 8px 40px rgba(0,0,0,.65);
    --radius:      12px;
    --radius-s:    8px;
    --radius-xs:   6px;
    --trans:       all .18s ease;
    --nav-h:       64px;
}

[data-theme="light"] {
    --bg:     #f0f2fa;
    --bg2:    #ffffff;
    --bg3:    #e8eaf6;
    --bg4:    #dde0f0;
    --border: #d0d4e8;
    --border2:#b8bdd8;
    --txt:    #1a1d2e;
    --txt2:   #4a4f72;
    --txt3:   #8a8fb5;
    --shadow: 0 4px 24px rgba(0,0,0,.1);
    --shadow-h: 0 8px 40px rgba(0,0,0,.18);
    --accent-glow: rgba(108,99,255,.15);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--txt);
    min-height: 100vh;
    line-height: 1.6;
    transition: background .25s, color .25s;
}
a { color: var(--accent); text-decoration: none; transition: var(--trans); }
a:hover { color: var(--accent-h); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* === LAYOUT === */
.main { padding-top: var(--nav-h); min-height: 100vh; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }

/* === NAVBAR === */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-h);
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 1.5rem;
    padding: 0 1.5rem;
    backdrop-filter: blur(12px);
}
.navbar-brand { display: flex; align-items: center; gap: .6rem; font-size: 1.2rem; font-weight: 700; color: var(--txt); flex-shrink: 0; }
.navbar-brand:hover { color: var(--accent); }
.brand-gem { font-size: 1.4rem; color: var(--accent); }
.brand-name { letter-spacing: -.3px; }

.navbar-links { display: flex; align-items: center; gap: .25rem; flex: 1; }
.nav-link { display: flex; align-items: center; gap: .4rem; padding: .5rem .85rem; border-radius: var(--radius-s); color: var(--txt2); font-size: .9rem; font-weight: 500; transition: var(--trans); }
.nav-link:hover { color: var(--txt); background: var(--bg3); }
.nav-link.active { color: var(--accent); background: var(--accent-glow); }

.navbar-right { display: flex; align-items: center; gap: .75rem; margin-left: auto; }

.btn-icon {
    width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--bg3); color: var(--txt2); display: flex; align-items: center; justify-content: center;
    font-size: .9rem; transition: var(--trans);
}
.btn-icon:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
[data-theme="light"] .theme-toggle .sun-icon { display: block; }
[data-theme="light"] .theme-toggle .moon-icon { display: none; }

/* User menu */
.user-menu { position: relative; }
.user-btn {
    display: flex; align-items: center; gap: .5rem; padding: .35rem .75rem .35rem .35rem;
    border-radius: 999px; border: 1px solid var(--border); background: var(--bg3);
    color: var(--txt); font-size: .875rem; font-weight: 500; transition: var(--trans);
}
.user-btn:hover { border-color: var(--accent); }
.avatar { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.avatar-letter {
    width: 30px; height: 30px; border-radius: 50%; background: var(--accent);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .85rem;
}
.user-name { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chevron { font-size: .7rem; color: var(--txt3); transition: transform .2s; }
.user-menu.open .chevron { transform: rotate(180deg); }

.dropdown {
    position: absolute; top: calc(100% + 8px); right: 0; min-width: 200px;
    background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden;
    opacity: 0; pointer-events: none; transform: translateY(-8px);
    transition: opacity .18s, transform .18s;
    z-index: 200;
}
.user-menu.open .dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
.dropdown-item {
    display: flex; align-items: center; gap: .7rem; padding: .7rem 1rem;
    color: var(--txt2); font-size: .875rem; transition: var(--trans);
}
.dropdown-item:hover { background: var(--bg3); color: var(--txt); }
.dropdown-item i { width: 16px; text-align: center; }
.dropdown-sep { height: 1px; background: var(--border); margin: .3rem 0; }
.text-danger { color: var(--red) !important; }
.text-danger:hover { background: rgba(255,71,87,.1) !important; }

/* === FLASH MESSAGES === */
.flash {
    position: fixed; top: calc(var(--nav-h) + 1rem); left: 50%; transform: translateX(-50%);
    min-width: 340px; max-width: 600px; border-radius: var(--radius); overflow: hidden;
    z-index: 300; box-shadow: var(--shadow); animation: slideDown .3s ease;
}
@keyframes slideDown { from { opacity:0; transform: translate(-50%,-12px); } to { opacity:1; transform: translate(-50%,0); } }
.flash-body { display: flex; align-items: center; gap: .75rem; padding: .85rem 1rem; font-size: .9rem; }
.flash-body i { font-size: 1.1rem; flex-shrink: 0; }
.flash-body span { flex: 1; }
.flash-close { background: none; border: none; color: inherit; opacity: .6; font-size: .85rem; padding: .2rem; }
.flash-close:hover { opacity: 1; }
.flash-bar { height: 3px; animation: flashBar 4s linear forwards; }
@keyframes flashBar { from { width:100%; } to { width:0; } }
.flash-success { background: #193d2e; color: var(--green); border: 1px solid #1e5c3f; }
.flash-success .flash-bar { background: var(--green); }
.flash-error { background: #3d1920; color: var(--red); border: 1px solid #5c2028; }
.flash-error .flash-bar { background: var(--red); }
.flash-warning { background: #3d2f10; color: var(--orange); border: 1px solid #5c4518; }
.flash-warning .flash-bar { background: var(--orange); }
[data-theme="light"] .flash-success { background: #d4f5e7; color: #1a7a4a; border-color: #a8e8c8; }
[data-theme="light"] .flash-error   { background: #fde8eb; color: #c0253a; border-color: #f5b5bc; }
[data-theme="light"] .flash-warning { background: #fff3d4; color: #a06020; border-color: #f5d898; }

/* === BUTTONS === */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .6rem 1.25rem; border-radius: var(--radius-s);
    font-size: .9rem; font-weight: 600; border: 1px solid transparent;
    transition: var(--trans); cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); color: #fff; box-shadow: 0 4px 16px var(--accent-glow); }
.btn-secondary { background: var(--bg3); color: var(--txt); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg4); border-color: var(--border2); color: var(--txt); }
.btn-danger { background: rgba(255,71,87,.15); color: var(--red); border-color: rgba(255,71,87,.3); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; color: var(--txt2); border-color: transparent; }
.btn-ghost:hover { background: var(--bg3); color: var(--txt); }
.btn-teal { background: var(--teal); color: #0a2520; border-color: var(--teal); }
.btn-teal:hover { background: var(--teal-h); border-color: var(--teal-h); color: #0a2520; }
.btn-sm { padding: .4rem .85rem; font-size: .82rem; }
.btn-lg { padding: .8rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

/* === FORMS === */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: .875rem; font-weight: 600; color: var(--txt2); margin-bottom: .4rem; }
.form-label .req { color: var(--red); margin-left: .2rem; }
.form-control {
    width: 100%; padding: .65rem .9rem; border-radius: var(--radius-s);
    border: 1px solid var(--border); background: var(--bg3); color: var(--txt);
    font-size: .9rem; transition: var(--trans); outline: none;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-control::placeholder { color: var(--txt3); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }
.form-hint { font-size: .8rem; color: var(--txt3); margin-top: .3rem; }
.form-error { font-size: .8rem; color: var(--red); margin-top: .3rem; }
.input-with-icon { position: relative; }
.input-with-icon .form-control { padding-left: 2.5rem; }
.input-with-icon .input-icon { position: absolute; left: .85rem; top: 50%; transform: translateY(-50%); color: var(--txt3); font-size: .9rem; pointer-events: none; }

/* Checkbox & Radio */
.form-check { display: flex; align-items: center; gap: .6rem; cursor: pointer; }
.form-check input[type=checkbox], .form-check input[type=radio] {
    width: 17px; height: 17px; cursor: pointer; accent-color: var(--accent);
}

/* Toggle switch */
.toggle { position: relative; display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-track {
    width: 44px; height: 24px; background: var(--bg4); border: 1px solid var(--border);
    border-radius: 999px; position: relative; transition: var(--trans);
}
.toggle-thumb {
    position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
    background: var(--txt3); border-radius: 50%; transition: var(--trans);
}
.toggle input:checked ~ .toggle-track { background: var(--accent); border-color: var(--accent); }
.toggle input:checked ~ .toggle-track .toggle-thumb { left: 23px; background: #fff; }

/* File upload */
.file-upload {
    border: 2px dashed var(--border); border-radius: var(--radius); padding: 2rem;
    text-align: center; cursor: pointer; transition: var(--trans); position: relative;
}
.file-upload:hover, .file-upload.drag-over { border-color: var(--accent); background: var(--accent-glow); }
.file-upload input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-upload-icon { font-size: 2rem; color: var(--txt3); margin-bottom: .5rem; }
.file-upload-text { color: var(--txt2); font-size: .9rem; }
.file-upload-text strong { color: var(--accent); }
.file-upload-hint { font-size: .78rem; color: var(--txt3); margin-top: .25rem; }
.file-preview { position: relative; margin-top: .75rem; }
.file-preview img { max-height: 160px; border-radius: var(--radius-s); margin: 0 auto; }

/* Photo slots (up to 5) */
.photo-slots { display: grid; grid-template-columns: repeat(5, 1fr); gap: .75rem; }
.photo-slot {
    aspect-ratio: 1; border: 2px dashed var(--border); border-radius: var(--radius-s);
    position: relative; overflow: hidden; cursor: pointer; background: var(--bg3);
    transition: var(--trans); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: .3rem;
}
.photo-slot:hover { border-color: var(--accent); background: var(--accent-glow); }
.photo-slot.has-photo { border-style: solid; border-color: var(--border2); }
.photo-slot input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.photo-slot .slot-icon { font-size: 1.4rem; color: var(--txt3); pointer-events: none; }
.photo-slot .slot-num { font-size: .7rem; color: var(--txt3); font-weight: 600; pointer-events: none; }
.photo-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.photo-slot .slot-remove {
    position: absolute; top: 4px; right: 4px; width: 22px; height: 22px;
    background: var(--red); color: #fff; border: none; border-radius: 50%;
    font-size: .7rem; display: none; align-items: center; justify-content: center; z-index: 2;
}
.photo-slot.has-photo .slot-remove { display: flex; }
@media (max-width: 640px) { .photo-slots { grid-template-columns: repeat(3, 1fr); } }

/* === CARDS === */
.card {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden; transition: var(--trans);
}
.card:hover { border-color: var(--border2); box-shadow: var(--shadow); }
.card-body { padding: 1.25rem; }

/* Collection card */
.collection-card { position: relative; cursor: pointer; }
.collection-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); border-color: var(--accent); }
.collection-cover {
    aspect-ratio: 16/9; background: var(--bg3); overflow: hidden; position: relative;
}
.collection-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.collection-card:hover .collection-cover img { transform: scale(1.04); }
.collection-cover-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 3rem; background: linear-gradient(135deg, var(--bg3) 0%, var(--bg4) 100%);
}
.collection-item-count {
    position: absolute; bottom: .5rem; right: .5rem;
    background: rgba(0,0,0,.65); backdrop-filter: blur(4px);
    color: #fff; font-size: .75rem; font-weight: 700;
    padding: .2rem .55rem; border-radius: 999px;
}
.collection-info { padding: 1rem; }
.collection-name { font-size: 1rem; font-weight: 700; margin-bottom: .35rem; color: var(--txt); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.collection-meta { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.collection-actions {
    display: flex; gap: .5rem; padding: 0 1rem 1rem; border-top: 1px solid var(--border); padding-top: .75rem; margin-top: .25rem;
}
.collection-actions a { flex: 1; text-align: center; }

/* Type badge */
.type-badge {
    display: inline-flex; align-items: center; gap: .25rem;
    background: var(--bg3); border: 1px solid var(--border);
    padding: .15rem .5rem; border-radius: 999px; font-size: .75rem; color: var(--txt2);
}
/* Public badge */
.pub-badge { font-size: .7rem; color: var(--teal); background: rgba(0,212,170,.12); border: 1px solid rgba(0,212,170,.25); padding: .15rem .45rem; border-radius: 999px; }
.prv-badge { font-size: .7rem; color: var(--txt3); background: var(--bg3); border: 1px solid var(--border); padding: .15rem .45rem; border-radius: 999px; }

/* Item card */
.item-card { cursor: pointer; }
.item-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--accent); }
.item-cover { aspect-ratio: 16/9; background: var(--bg3); overflow: hidden; position: relative; }
.item-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.item-card:hover .item-cover img { transform: scale(1.04); }
.item-cover-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--txt3);
}
.item-info { padding: .85rem; }
.item-name { font-size: .9rem; font-weight: 700; color: var(--txt); margin-bottom: .35rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.item-meta { display: flex; flex-direction: column; gap: .3rem; }
.item-storage { font-size: .78rem; color: var(--txt3); display: flex; align-items: center; gap: .3rem; }
.item-cats { display: flex; flex-wrap: wrap; gap: .25rem; margin-top: .35rem; }
.cat-chip {
    font-size: .7rem; background: var(--bg3); border: 1px solid var(--border);
    color: var(--txt2); padding: .1rem .45rem; border-radius: 999px;
}

/* Status badge */
.status-badge {
    display: inline-flex; align-items: center; gap: .3rem;
    font-size: .72rem; font-weight: 700; padding: .15rem .5rem; border-radius: 999px;
    text-transform: uppercase; letter-spacing: .4px;
}
.status-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-owned  { color: var(--green);  background: rgba(46,213,115,.12);  }
.status-wanted { color: var(--orange); background: rgba(255,165,2,.12); }
.status-loaned { color: var(--blue);   background: rgba(30,144,255,.12); animation: pulseDot 2s infinite; }
@keyframes pulseDot { 0%,100% { opacity:1; } 50% { opacity:.5; } }

/* Star rating — display only */
.star-rating { display: flex; align-items: center; gap: .15rem; }
.star { color: var(--border2); font-size: .8rem; }
.star.filled { color: var(--gold); }

/* Star rating — interactive (reverse-order CSS trick) */
.star-interactive { display: flex; flex-direction: row-reverse; gap: .2rem; }
.star-interactive input[type=radio] { display: none; }
.star-interactive label { color: var(--border2); font-size: 1.4rem; cursor: pointer; transition: color .15s; }
.star-interactive label:hover,
.star-interactive label:hover ~ label,
.star-interactive input:checked ~ label { color: var(--gold); }

/* === GRID LAYOUTS === */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.1rem;
}
@media (max-width: 600px) {
    .items-grid { grid-template-columns: repeat(2, 1fr); }
    .collections-grid { grid-template-columns: 1fr; }
}

/* === PAGE HEADER === */
.page-header { padding: 2rem 0 1.5rem; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.page-header-left {}
.page-title { font-size: 1.75rem; font-weight: 800; color: var(--txt); letter-spacing: -.4px; }
.page-subtitle { color: var(--txt2); font-size: .9rem; margin-top: .25rem; }
.page-header-actions { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--txt3); margin-bottom: .5rem; }
.breadcrumb a { color: var(--txt3); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border2); }

/* === COLLECTION DETAIL LAYOUT === */
.collection-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; align-items: start; }
@media (max-width: 900px) { .collection-layout { grid-template-columns: 1fr; } }

/* Sidebar */
.sidebar { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; position: sticky; top: calc(var(--nav-h) + 1rem); }
.sidebar-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.sidebar-title { font-size: .875rem; font-weight: 700; color: var(--txt2); text-transform: uppercase; letter-spacing: .5px; }
.cat-search-wrap {
    position: relative; padding: .5rem .75rem; border-bottom: 1px solid var(--border);
}
.cat-search-icon {
    position: absolute; left: 1.2rem; top: 50%; transform: translateY(-50%);
    color: var(--txt3); font-size: .78rem; pointer-events: none;
}
.cat-search-input {
    width: 100%; background: var(--bg3); border: 1px solid var(--border);
    border-radius: 6px; padding: .3rem .5rem .3rem 1.8rem;
    color: var(--txt); font-size: .82rem; outline: none;
    transition: border-color .15s;
}
.cat-search-input:focus { border-color: var(--accent); }
.cat-list { }
.cat-item {
    display: flex; align-items: center; gap: .7rem; padding: .65rem 1.25rem;
    cursor: pointer; transition: var(--trans); border-bottom: 1px solid var(--border); color: var(--txt2); font-size: .875rem;
}
.cat-item:last-child { border-bottom: none; }
.cat-item:hover { background: var(--bg3); color: var(--txt); }
.cat-item.active { background: var(--accent-glow); color: var(--accent); font-weight: 600; }
.cat-item-photo { width: 30px; height: 30px; border-radius: var(--radius-xs); object-fit: cover; flex-shrink: 0; }
.cat-item-photo-placeholder { width: 30px; height: 30px; border-radius: var(--radius-xs); background: var(--bg3); display: flex; align-items: center; justify-content: center; font-size: .85rem; flex-shrink: 0; }
.cat-count { margin-left: auto; font-size: .75rem; background: var(--bg3); padding: .1rem .4rem; border-radius: 999px; }

/* Items area */
.items-toolbar { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; min-width: 200px; }
.search-box input { padding-left: 2.25rem; }
.search-box .search-icon { position: absolute; left: .75rem; top: 50%; transform: translateY(-50%); color: var(--txt3); font-size: .85rem; pointer-events: none; }
.filter-select { min-width: 130px; }

/* === ITEM DETAIL === */
.item-detail-grid { display: grid; grid-template-columns: 1fr 360px; gap: 2rem; align-items: start; }
@media (max-width: 900px) { .item-detail-grid { grid-template-columns: 1fr; } }

/* Photo carousel */
.photo-carousel { border-radius: var(--radius); overflow: hidden; background: var(--bg3); }
.carousel-main { aspect-ratio: 4/3; position: relative; overflow: hidden; }
.carousel-main img { width: 100%; height: 100%; object-fit: contain; background: var(--bg3); }
.carousel-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 38px; height: 38px; background: rgba(0,0,0,.6); backdrop-filter: blur(4px);
    color: #fff; border: none; border-radius: 50%; font-size: .9rem;
    display: flex; align-items: center; justify-content: center; transition: var(--trans);
}
.carousel-nav:hover { background: var(--accent); }
.carousel-nav.prev { left: .75rem; }
.carousel-nav.next { right: .75rem; }
.carousel-dots { display: flex; justify-content: center; gap: .4rem; padding: .75rem; }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border2); cursor: pointer; transition: var(--trans); border: none; }
.carousel-dot.active { background: var(--accent); transform: scale(1.3); }
.carousel-thumbs { display: flex; gap: .5rem; padding: 0 .75rem .75rem; overflow-x: auto; }
.carousel-thumb { width: 60px; height: 60px; border-radius: var(--radius-xs); overflow: hidden; cursor: pointer; border: 2px solid transparent; flex-shrink: 0; transition: var(--trans); }
.carousel-thumb.active { border-color: var(--accent); }
.carousel-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Item detail panel */
.item-panel { display: flex; flex-direction: column; gap: 1rem; }
.panel-section { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }
.panel-label { font-size: .75rem; font-weight: 700; color: var(--txt3); text-transform: uppercase; letter-spacing: .5px; margin-bottom: .5rem; }
.panel-value { color: var(--txt); font-size: .9rem; line-height: 1.6; }
.detail-row { display: flex; align-items: center; gap: .75rem; padding: .6rem 0; border-bottom: 1px solid var(--border); }
.detail-row:last-child { border-bottom: none; }
.detail-icon { width: 32px; height: 32px; background: var(--bg3); border-radius: var(--radius-xs); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: .85rem; flex-shrink: 0; }
.detail-label { font-size: .78rem; color: var(--txt3); }
.detail-val { font-size: .9rem; color: var(--txt); font-weight: 500; }

/* === STATS === */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 1rem; }
.stat-icon { width: 48px; height: 48px; border-radius: var(--radius-s); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.stat-icon-purple { background: var(--accent-glow); color: var(--accent); }
.stat-icon-green  { background: rgba(46,213,115,.15); color: var(--green); }
.stat-icon-orange { background: rgba(255,165,2,.15);  color: var(--orange); }
.stat-icon-blue   { background: rgba(30,144,255,.15); color: var(--blue); }
.stat-icon-teal   { background: rgba(0,212,170,.15);  color: var(--teal); }
.stat-num { font-size: 1.75rem; font-weight: 800; color: var(--txt); line-height: 1; }
.stat-label { font-size: .8rem; color: var(--txt2); margin-top: .2rem; }

/* Mini bar chart */
.bar-chart { display: flex; flex-direction: column; gap: .6rem; }
.bar-row { display: flex; align-items: center; gap: .75rem; }
.bar-label { font-size: .8rem; color: var(--txt2); width: 120px; flex-shrink: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { flex: 1; height: 8px; background: var(--bg3); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .6s ease; }
.bar-val { font-size: .8rem; color: var(--txt3); min-width: 30px; text-align: right; }

/* === RANDOM PICKER === */
.random-page {
    min-height: calc(100vh - var(--nav-h)); display: flex; flex-direction: column;
    align-items: center; justify-content: center; text-align: center; padding: 2rem;
}
.random-title { font-size: 1.5rem; font-weight: 800; color: var(--txt); margin-bottom: 2rem; }
.random-machine {
    background: var(--bg2); border: 2px solid var(--border); border-radius: var(--radius-lg, 20px);
    padding: 2rem 3rem; min-width: 360px; position: relative; overflow: hidden;
    box-shadow: var(--shadow);
}
.random-machine::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 60%);
    opacity: 0; transition: opacity .5s;
}
.random-machine.spinning::before { opacity: 1; }
.random-slot {
    height: 80px; overflow: hidden; display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; font-weight: 800; color: var(--txt); border-radius: var(--radius-s);
    background: var(--bg3); border: 1px solid var(--border); margin-bottom: 1rem;
    position: relative;
}
.random-slot-inner { transition: transform .1s; text-align: center; padding: 0 1rem; line-height: 1.2; }
.random-result { display: none; }
.random-result.show { display: block; animation: resultReveal .4s cubic-bezier(.175,.885,.32,1.275); }
@keyframes resultReveal { from { opacity:0; transform: scale(.8); } to { opacity:1; transform: scale(1); } }
.random-result-card { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-top: 1rem; text-align: left; }
.random-result-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-s); margin-bottom: 1rem; }
.random-result-name { font-size: 1.2rem; font-weight: 700; margin-bottom: .5rem; }
.random-result-desc { font-size: .875rem; color: var(--txt2); }
.random-filters { display: flex; gap: .75rem; margin-bottom: 1.5rem; flex-wrap: wrap; justify-content: center; }
.random-btn-wrap { margin-top: 1.5rem; }
.spin-btn {
    display: inline-flex; align-items: center; gap: .6rem; padding: .9rem 2.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-d));
    color: #fff; border: none; border-radius: 999px;
    font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: var(--trans);
    box-shadow: 0 4px 20px var(--accent-glow);
}
.spin-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }
.spin-btn.spinning { animation: spinPulse .6s ease infinite alternate; pointer-events: none; }
@keyframes spinPulse { from { transform: scale(1); } to { transform: scale(1.05); } }
.spin-icon { transition: transform .3s; }
.spin-btn.spinning .spin-icon { animation: rotate 1s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }

/* === MODAL === */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
    z-index: 400; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(.95);
    background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-h); z-index: 500; min-width: 360px; max-width: 94vw; max-height: 92vh; overflow-y: auto;
    opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
.modal.show { opacity: 1; pointer-events: all; transform: translate(-50%, -50%) scale(1); }
.modal-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 1.05rem; font-weight: 700; }
.modal-close { width: 32px; height: 32px; border-radius: 50%; border: none; background: var(--bg3); color: var(--txt2); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--trans); }
.modal-close:hover { background: var(--red); color: #fff; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; gap: .75rem; justify-content: flex-end; }

/* === EMPTY STATE === */
.empty-state { text-align: center; padding: 4rem 2rem; }
.empty-icon { font-size: 4rem; margin-bottom: 1rem; }
.empty-title { font-size: 1.2rem; font-weight: 700; color: var(--txt); margin-bottom: .5rem; }
.empty-desc { color: var(--txt2); font-size: .9rem; margin-bottom: 1.5rem; max-width: 360px; margin-left: auto; margin-right: auto; }

/* === AUTH PAGES === */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 2rem; background: var(--bg);
}
.auth-card { width: 100%; max-width: 420px; }
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo-gem { font-size: 3rem; color: var(--accent); }
.auth-logo-name { font-size: 1.5rem; font-weight: 800; color: var(--txt); margin-top: .25rem; }
.auth-card .card { padding: 2rem; }
.auth-title { font-size: 1.3rem; font-weight: 700; margin-bottom: .35rem; }
.auth-subtitle { color: var(--txt2); font-size: .875rem; margin-bottom: 1.75rem; }
.auth-footer { text-align: center; margin-top: 1.25rem; font-size: .875rem; color: var(--txt2); }

/* === LOAN TABLE === */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th { padding: .75rem 1rem; text-align: left; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--txt3); border-bottom: 2px solid var(--border); background: var(--bg2); white-space: nowrap; }
tbody td { padding: .8rem 1rem; border-bottom: 1px solid var(--border); color: var(--txt); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg3); }

/* Overdue badge */
.overdue { color: var(--red); font-weight: 700; }

/* === PROFILE === */
.profile-grid { display: grid; grid-template-columns: 280px 1fr; gap: 1.5rem; align-items: start; }
@media (max-width: 900px) { .profile-grid { grid-template-columns: 1fr; } }
.profile-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; text-align: center; }
.profile-avatar { width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 1rem; border: 3px solid var(--accent); object-fit: cover; }
.profile-avatar-placeholder { width: 100px; height: 100px; border-radius: 50%; background: var(--accent); margin: 0 auto 1rem; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; font-weight: 700; color: #fff; border: 3px solid var(--accent); }
.profile-name { font-size: 1.25rem; font-weight: 700; margin-bottom: .25rem; }
.profile-email { font-size: .875rem; color: var(--txt2); }
.profile-stats { display: flex; gap: 1rem; justify-content: center; margin-top: 1rem; }
.profile-stat { text-align: center; }
.profile-stat-num { font-size: 1.3rem; font-weight: 800; color: var(--accent); }
.profile-stat-label { font-size: .75rem; color: var(--txt3); }

/* === SECTION TITLE === */
.section-title { font-size: 1rem; font-weight: 700; color: var(--txt2); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; }
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* === MISC === */
.divider { height: 1px; background: var(--border); margin: 1.5rem 0; }
.badge { display: inline-flex; align-items: center; padding: .2rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.badge-accent { background: var(--accent-glow); color: var(--accent); }
.text-muted { color: var(--txt2); }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: .5rem; } .gap-2 { gap: 1rem; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .items-center { align-items: center; } .justify-between { justify-content: space-between; } .justify-end { justify-content: flex-end; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* Category checkbox pills (item form) */
.cat-checkbox-pill {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .35rem .75rem; border-radius: 999px; cursor: pointer;
    font-size: .83rem; transition: var(--trans);
    background: var(--bg3); border: 1px solid var(--border); color: var(--txt2);
    user-select: none;
}
.cat-checkbox-pill input[type="checkbox"] { display: none; }
.cat-checkbox-pill:hover { border-color: var(--accent); color: var(--txt); }
.cat-checkbox-pill.checked { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); font-weight: 600; }

/* Scrollable cat list scrollbar */
#catCheckboxList { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
#catCheckboxList::-webkit-scrollbar { width: 4px; }
#catCheckboxList::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* Item nav prev/next */
.item-nav-counter {
    font-size: .78rem; color: var(--txt3); font-variant-numeric: tabular-nums;
    margin-top: .15rem;
}
.btn-nav { min-width: 36px; padding: 0; justify-content: center; }
.btn-nav.disabled { opacity: .3; cursor: default; pointer-events: none; }

/* Pagination */
.pagination {
    display: flex; align-items: center; gap: .35rem; flex-wrap: wrap;
    margin-top: 1.5rem; justify-content: center;
}
.page-btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 34px; height: 34px; padding: 0 .5rem;
    border-radius: 8px; font-size: .85rem; font-weight: 600;
    color: var(--txt2); background: var(--bg3); border: 1px solid var(--border);
    text-decoration: none; transition: var(--trans);
}
.page-btn:hover:not(.disabled):not(.active) { background: var(--bg4); color: var(--txt); border-color: var(--border2); }
.page-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-btn.disabled { opacity: .35; cursor: default; }
.page-ellipsis { color: var(--txt3); font-size: .85rem; padding: 0 .2rem; }
.page-info { color: var(--txt3); font-size: .78rem; margin-left: .5rem; white-space: nowrap; }

/* Seen badge */
.seen-badge {
    display: inline-flex; align-items: center; gap: .3rem;
    font-size: .72rem; font-weight: 700; padding: .15rem .5rem; border-radius: 999px;
    text-transform: uppercase; letter-spacing: .4px;
}
.seen-yes { color: var(--teal);  background: rgba(0,212,170,.12); border: 1px solid rgba(0,212,170,.25); }
.seen-no  { color: var(--txt3); background: var(--bg3); border: 1px solid var(--border); font-weight: 400; text-transform: none; letter-spacing: 0; }

/* Seen toggle on item card */
.seen-toggle-btn {
    position: absolute; top: .4rem; left: .4rem;
    width: 28px; height: 28px; border-radius: 50%;
    border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: .8rem; transition: var(--trans); z-index: 1;
}
.seen-toggle-btn.unseen { background: rgba(0,0,0,.5); color: rgba(255,255,255,.6); }
.seen-toggle-btn.unseen:hover { background: var(--teal); color: #0a2520; }
.seen-toggle-btn.is-seen { background: var(--teal); color: #0a2520; }
.seen-toggle-btn.is-seen:hover { background: rgba(0,0,0,.5); color: rgba(255,255,255,.6); }

/* Confirm dialog */
.confirm-dialog { max-width: 420px; }
.confirm-dialog .modal-body { text-align: center; padding: 2rem; }
.confirm-dialog .confirm-icon { font-size: 3rem; margin-bottom: 1rem; }
.confirm-dialog .confirm-msg { color: var(--txt2); font-size: .9rem; margin-top: .5rem; }

/* Collection hero */
.collection-hero {
    background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden; margin-bottom: 1.5rem;
}
.collection-hero-cover { height: 200px; background: var(--bg3); overflow: hidden; position: relative; }
.collection-hero-cover img { width: 100%; height: 100%; object-fit: cover; }
.collection-hero-cover-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 5rem; background: linear-gradient(135deg, var(--bg3), var(--bg4)); }
.collection-hero-info { padding: 1.25rem 1.5rem; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.collection-hero-title { font-size: 1.5rem; font-weight: 800; margin-bottom: .5rem; }
.collection-hero-desc { color: var(--txt2); font-size: .875rem; }
.collection-hero-meta { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .6rem; }
.collection-hero-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* Floating label for storage */
.storage-badge { display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--txt3); background: var(--bg3); padding: .2rem .6rem; border-radius: 999px; border: 1px solid var(--border); }

/* Loading skeleton */
.skeleton { background: linear-gradient(90deg, var(--bg3) 25%, var(--bg4) 50%, var(--bg3) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-s); }
@keyframes shimmer { to { background-position: -200% 0; } }

/* === RESPONSIVE NAV === */
@media (max-width: 768px) {
    .navbar-links { display: none; }
    .user-name { display: none; }
    .page-title { font-size: 1.3rem; }
}