/**
 * Private User Vault — front-end styles.
 * Brand palette: red (--puv-primary), black (--puv-accent), white.
 */

.puv-app {
	--puv-primary: #C01722;        /* Ubuntu brand red */
	--puv-primary-dark: #9A0F1A;
	--puv-primary-soft: #FBEDEE;   /* red tint for hovers / focus rings */
	--puv-accent: #1A1A1A;         /* near-black */
	--puv-bg: #ffffff;
	--puv-surface: #ffffff;
	--puv-muted: #F4F4F6;
	--puv-muted-2: #EDEDEF;
	--puv-border: #E6E6E9;
	--puv-text: #1A1A1C;
	--puv-text-soft: #6B6B70;
	--puv-radius: 14px;
	--puv-shadow: 0 6px 24px rgba(0,0,0,.08);
	--puv-shadow-sm: 0 2px 8px rgba(0,0,0,.06);

	display: grid;
	grid-template-columns: 248px 1fr;
	min-height: 620px;
	background: var(--puv-bg);
	color: var(--puv-text);
	border: 1px solid var(--puv-border);
	border-radius: var(--puv-radius);
	overflow: hidden;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	position: relative;
	box-shadow: var(--puv-shadow);
}

.puv-app *, .puv-app *::before, .puv-app *::after { box-sizing: border-box; }

/* ---------- Sidebar ---------- */
.puv-sidebar {
	background: var(--puv-accent);
	color: #fff;
	padding: 22px 16px;
	display: flex;
	flex-direction: column;
	gap: 18px;
}
.puv-brand { display: flex; align-items: center; }
.puv-brand__logo {
	width: 100%; max-width: 190px; height: auto;
	background: #fff; border-radius: 10px; padding: 10px 12px;
	box-shadow: var(--puv-shadow-sm);
}
.puv-brand__logo--img { max-height: 74px; object-fit: contain; }
.puv-nav { display: flex; flex-direction: column; gap: 4px; }
.puv-nav__item {
	display: flex; align-items: center; gap: 10px;
	background: transparent; color: #dcdce0; border: 0;
	padding: 11px 12px; border-radius: 10px; cursor: pointer;
	font-size: 14px; text-align: left; transition: background .15s, color .15s;
}
.puv-nav__item:hover { background: rgba(255,255,255,.08); color: #fff; }
.puv-nav__item.is-active { background: var(--puv-primary); color: #fff; font-weight: 600; }
.puv-ic { font-size: 15px; }

/* Classic type filter */
.puv-filter { margin-top: 6px; }
.puv-filter__title { font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: #8a8a90; margin: 6px 12px; }
.puv-filter__item {
	display: block; width: 100%; text-align: left; border: 0; background: transparent;
	color: #cfcfd4; padding: 8px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.puv-filter__item:hover { background: rgba(255,255,255,.07); color: #fff; }
.puv-filter__item.is-active { color: #fff; background: rgba(224,16,16,.18); border-left: 3px solid var(--puv-primary); }

.puv-storage { margin-top: auto; background: rgba(255,255,255,.06); border-radius: 10px; padding: 12px; }
.puv-storage__label { font-size: 11px; color: #a5a5ac; text-transform: uppercase; letter-spacing: .6px; }
.puv-storage__value { font-size: 16px; font-weight: 700; margin-top: 2px; }

/* ---------- Main ---------- */
.puv-main { display: flex; flex-direction: column; min-width: 0; }
.puv-topbar {
	display: flex; align-items: center; justify-content: space-between; gap: 12px;
	padding: 14px 18px; border-bottom: 1px solid var(--puv-border); flex-wrap: wrap;
}
.puv-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--puv-text-soft); flex-wrap: wrap; }
.puv-breadcrumb a { color: var(--puv-primary); text-decoration: none; cursor: pointer; }
.puv-breadcrumb a:hover { text-decoration: underline; }
.puv-breadcrumb .sep { color: #c3c3c8; }
.puv-crumb-current { color: var(--puv-text); font-weight: 600; }

.puv-topbar__actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* visual separator between tool groups */
.puv-toolgroup { display: inline-flex; align-items: center; gap: 8px; position: relative; }
.puv-toolgroup::before {
	content: ""; position: absolute; left: -7px; top: 50%; transform: translateY(-50%);
	width: 1px; height: 24px; background: var(--puv-border);
}
.puv-toolgroup--actions { gap: 10px; }

/* --- Search: icon inside, pill, clear focus ring --- */
.puv-search { position: relative; display: flex; align-items: center; }
.puv-search__ico {
	position: absolute; left: 13px; color: var(--puv-text-soft); pointer-events: none;
}
.puv-search input {
	border: 1px solid var(--puv-border); border-radius: 999px;
	padding: 10px 16px 10px 36px;
	font-size: 13.5px; width: 236px; outline: none;
	transition: border .15s, box-shadow .15s, width .2s ease;
	background: var(--puv-muted); color: var(--puv-text);
}
.puv-search input::placeholder { color: #9a9aa0; }
.puv-search input:focus {
	width: 280px; background: #fff;
	border-color: var(--puv-primary);
	box-shadow: 0 0 0 3px var(--puv-primary-soft);
}

/* --- View toggle: a proper segmented control --- */
.puv-viewtoggle {
	display: inline-flex; background: var(--puv-muted);
	border: 1px solid var(--puv-border); border-radius: 10px; padding: 3px; gap: 2px;
}
.puv-viewtoggle button {
	border: 0; background: transparent; padding: 7px 12px; cursor: pointer;
	color: var(--puv-text-soft); border-radius: 7px; display: grid; place-items: center;
	transition: background .15s, color .15s, box-shadow .15s;
}
.puv-viewtoggle button:hover { color: var(--puv-text); }
.puv-viewtoggle button.is-active {
	background: #fff; color: var(--puv-primary);
	box-shadow: var(--puv-shadow-sm);
}

/* --- Buttons --- */
.puv-btn {
	display: inline-flex; align-items: center; gap: 8px; border: 0; cursor: pointer;
	padding: 10px 17px; border-radius: 10px; font-size: 13.5px; font-weight: 600;
	transition: transform .08s, background .15s, box-shadow .2s, border-color .15s;
	line-height: 1;
}
.puv-btn svg { flex: 0 0 auto; }
.puv-btn:active { transform: translateY(1px); }
.puv-btn--primary {
	background: var(--puv-primary); color: #fff;
	box-shadow: 0 6px 16px -6px rgba(192,23,34,.55);
}
.puv-btn--primary:hover { background: var(--puv-primary-dark); box-shadow: 0 10px 22px -8px rgba(192,23,34,.6); }
.puv-btn--ghost {
	background: #fff; color: var(--puv-text);
	border: 1px solid var(--puv-border);
}
.puv-btn--ghost:hover { background: var(--puv-muted); border-color: #d6d6da; }
.puv-btn--danger { background: #fff; color: var(--puv-primary); border: 1px solid var(--puv-primary); }
.puv-btn--danger:hover { background: var(--puv-primary); color: #fff; }
.puv-upload-btn { position: relative; overflow: hidden; }

/* ---------- Content / dropzone ---------- */
.puv-dropzone { flex: 1; position: relative; overflow: auto; }
.puv-dropzone.is-dragover { outline: 3px dashed var(--puv-primary); outline-offset: -14px; background: rgba(224,16,16,.03); }
.puv-dropzone__hint {
	position: absolute; inset: 0; display: none; place-items: center;
	font-size: 18px; font-weight: 700; color: var(--puv-primary); pointer-events: none;
}
.puv-dropzone.is-dragover .puv-dropzone__hint { display: grid; }

.puv-content { padding: 18px; }

/* Grid view */
.puv-content[data-viewmode="grid"] .puv-items {
	display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px;
}
.puv-content[data-viewmode="grid"] .puv-section-title { grid-column: 1 / -1; }

/* List view */
.puv-content[data-viewmode="list"] .puv-items { display: flex; flex-direction: column; gap: 2px; }

.puv-section-title { font-size: 12px; text-transform: uppercase; letter-spacing: .7px; color: var(--puv-text-soft); margin: 14px 2px 8px; }

/* Card (grid) */
.puv-card {
	background: var(--puv-surface); border: 1px solid var(--puv-border); border-radius: 12px;
	padding: 14px; cursor: pointer; position: relative; transition: transform .12s, box-shadow .12s, border .12s;
	animation: puv-pop .18s ease;
}
.puv-card:hover { transform: translateY(-3px); box-shadow: var(--puv-shadow); border-color: #dcdcdf; }
.puv-card__icon { font-size: 34px; text-align: center; margin: 6px 0 10px; }
.puv-card__thumb { width: 100%; height: 84px; object-fit: cover; border-radius: 8px; margin-bottom: 10px; background: var(--puv-muted); }
.puv-card__name { font-size: 13px; font-weight: 600; word-break: break-word; line-height: 1.3; }
.puv-card__meta { font-size: 11px; color: var(--puv-text-soft); margin-top: 4px; }
.puv-card__folder .puv-card__icon { color: var(--puv-primary); }

/* Row (list) */
.puv-row {
	display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; cursor: pointer;
	transition: background .12s; animation: puv-fade .18s ease;
}
.puv-row:hover { background: var(--puv-muted); }
.puv-row__icon { font-size: 22px; width: 30px; text-align: center; }
.puv-row__name { flex: 1; font-size: 14px; font-weight: 500; word-break: break-word; }
.puv-row__meta { font-size: 12px; color: var(--puv-text-soft); width: 90px; text-align: right; }
.puv-row__type { font-size: 11px; color: var(--puv-text-soft); width: 70px; }

/* Kebab menu */
.puv-kebab { position: absolute; top: 8px; right: 8px; opacity: 0; transition: opacity .12s; }
.puv-card:hover .puv-kebab, .puv-row:hover .puv-kebab { opacity: 1; }
.puv-row .puv-kebab { position: static; opacity: .5; }
.puv-kebab__btn { border: 0; background: transparent; cursor: pointer; font-size: 18px; color: var(--puv-text-soft); padding: 2px 6px; border-radius: 6px; }
.puv-kebab__btn:hover { background: rgba(0,0,0,.06); }

.puv-menu {
	position: absolute; z-index: 40; background: #fff; border: 1px solid var(--puv-border);
	border-radius: 10px; box-shadow: var(--puv-shadow); padding: 6px; min-width: 170px;
	animation: puv-pop .12s ease;
}
.puv-menu button {
	display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
	border: 0; background: transparent; padding: 9px 10px; border-radius: 7px; cursor: pointer; font-size: 13px; color: var(--puv-text);
}
.puv-menu button:hover { background: var(--puv-muted); }
.puv-menu button.is-danger { color: var(--puv-primary); }

/* Empty + loading */
.puv-empty { text-align: center; color: var(--puv-text-soft); padding: 60px 20px; }
.puv-empty__icon { font-size: 44px; margin-bottom: 10px; }
.puv-loading { display: grid; place-items: center; padding: 60px; }
.puv-spinner {
	width: 34px; height: 34px; border-radius: 50%;
	border: 3px solid var(--puv-muted); border-top-color: var(--puv-primary);
	animation: puv-spin .8s linear infinite;
}

/* ---------- Drawer (preview / details) ---------- */
.puv-drawer {
	position: absolute; top: 0; right: 0; height: 100%; width: 420px; max-width: 90%;
	background: #fff; border-left: 1px solid var(--puv-border); box-shadow: -10px 0 30px rgba(0,0,0,.08);
	transform: translateX(100%); transition: transform .25s ease; z-index: 50; overflow: auto;
}
.puv-drawer.is-open { transform: translateX(0); }
.puv-drawer__inner { padding: 18px; }
.puv-drawer__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.puv-drawer__title { font-size: 16px; font-weight: 700; word-break: break-word; }
.puv-drawer__close { border: 0; background: var(--puv-muted); width: 30px; height: 30px; border-radius: 8px; cursor: pointer; font-size: 16px; }
.puv-preview { width: 100%; border-radius: 10px; margin-bottom: 14px; background: var(--puv-muted); }
.puv-preview img, .puv-preview video { width: 100%; border-radius: 10px; display: block; }
.puv-preview iframe { width: 100%; height: 320px; border: 0; border-radius: 10px; }
.puv-preview__generic { padding: 40px; text-align: center; font-size: 40px; }

.puv-meta-list { font-size: 13px; color: var(--puv-text-soft); margin-bottom: 16px; }
.puv-meta-list div { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px dashed var(--puv-border); }
.puv-meta-list span:last-child { color: var(--puv-text); font-weight: 600; }

.puv-drawer__section-title { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--puv-text-soft); margin: 16px 0 8px; }

/* Share box */
.puv-share-row { display: flex; gap: 8px; margin-bottom: 10px; }
.puv-share-row input, .puv-share-row select {
	flex: 1; border: 1px solid var(--puv-border); border-radius: 8px; padding: 8px 10px; font-size: 13px; outline: none; min-width: 0;
}
.puv-share-row input:focus { border-color: var(--puv-primary); }
.puv-share-mode { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.puv-chip {
	border: 1px solid var(--puv-border); background: #fff; border-radius: 999px; padding: 5px 11px;
	font-size: 12px; cursor: pointer; color: var(--puv-text-soft);
}
.puv-chip.is-active { background: var(--puv-accent); color: #fff; border-color: var(--puv-accent); }

.puv-share-list { list-style: none; margin: 0; padding: 0; }
.puv-share-list li {
	display: flex; align-items: center; justify-content: space-between; gap: 8px;
	background: var(--puv-muted); border-radius: 8px; padding: 8px 10px; margin-bottom: 6px; font-size: 13px;
}
.puv-share-list button { border: 0; background: transparent; color: var(--puv-primary); cursor: pointer; font-size: 12px; font-weight: 600; }

/* Comments */
.puv-comment { display: flex; gap: 10px; margin-bottom: 12px; animation: puv-fade .2s ease; }
.puv-comment img { width: 34px; height: 34px; border-radius: 50%; }
.puv-comment__body { flex: 1; }
.puv-comment__head { font-size: 12px; color: var(--puv-text-soft); margin-bottom: 3px; }
.puv-comment__head strong { color: var(--puv-text); }
.puv-comment__content { font-size: 13px; }
.puv-comment__content p { margin: 0 0 4px; }
.puv-comment__del { border: 0; background: transparent; color: var(--puv-text-soft); cursor: pointer; font-size: 12px; }
.puv-comment-form { display: flex; gap: 8px; margin-top: 8px; }
.puv-comment-form textarea { flex: 1; border: 1px solid var(--puv-border); border-radius: 8px; padding: 8px 10px; font-size: 13px; resize: vertical; min-height: 40px; }

/* ---------- Modal ---------- */
.puv-modal { position: fixed; inset: 0; z-index: 99999; display: grid; place-items: center; }
.puv-modal[hidden] { display: none; }
.puv-modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.45); animation: puv-fade .15s ease; }
.puv-modal__box {
	position: relative; background: #fff; border-radius: 14px; padding: 22px; width: 420px; max-width: 92vw;
	box-shadow: 0 20px 60px rgba(0,0,0,.3); animation: puv-pop .16s ease;
}
.puv-modal__box h3 { margin: 0 0 14px; font-size: 17px; }
.puv-modal__box input, .puv-modal__box textarea {
	width: 100%; border: 1px solid var(--puv-border); border-radius: 9px; padding: 10px 12px; font-size: 14px; outline: none; margin-bottom: 12px;
}
.puv-modal__box input:focus, .puv-modal__box textarea:focus { border-color: var(--puv-primary); }
.puv-modal__actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------- Toasts ---------- */
.puv-toasts { position: fixed; bottom: 20px; right: 20px; z-index: 100000; display: flex; flex-direction: column; gap: 8px; }
.puv-toast {
	background: var(--puv-accent); color: #fff; padding: 12px 16px; border-radius: 10px; font-size: 13px;
	box-shadow: var(--puv-shadow); animation: puv-slide-in .2s ease; min-width: 220px;
}
.puv-toast--error { background: var(--puv-primary); }
.puv-toast--success { background: #128a3a; }

/* ---------- Login gate ---------- */
.puv-login-gate { display: grid; place-items: center; padding: 40px; }
.puv-login-card { text-align: center; background: #fff; border: 1px solid var(--puv-border); border-radius: 14px; padding: 34px; box-shadow: var(--puv-shadow); max-width: 380px; }
.puv-login-logo { font-size: 42px; }
.puv-login-card h3 { margin: 12px 0 6px; }
.puv-login-card p { color: var(--puv-text-soft); margin-bottom: 18px; }
.puv-login-card .puv-btn { --puv-primary:#E01010; background: #E01010; color:#fff; text-decoration: none; }

/* Notices */
.puv-notice { padding: 14px 16px; border-radius: 10px; font-size: 14px; }
.puv-notice--error { background: #fdecec; color: #b00b0b; border: 1px solid #f6bcbc; }

/* Progress bar for uploads */
.puv-progress { height: 4px; background: var(--puv-muted); border-radius: 999px; overflow: hidden; margin-top: 8px; }
.puv-progress__bar { height: 100%; width: 0; background: var(--puv-primary); transition: width .15s; }

/* ---------- Animations ---------- */
@keyframes puv-spin { to { transform: rotate(360deg); } }
@keyframes puv-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes puv-pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
@keyframes puv-slide-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
	.puv-app { grid-template-columns: 1fr; }
	.puv-sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px; }
	.puv-nav { flex-direction: row; flex-wrap: wrap; }
	.puv-filter, .puv-storage { display: none; }
	.puv-drawer { width: 100%; }
}