/* ================================================================
   databricks-interview-prep.css — Sqlism Theme
   ================================================================ */

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
    --primary:        #8b5cf6;
    --primary-dark:   #7c3aed;
    --secondary:      #10b981;
    --bg-primary:     #ffffff;
    --bg-secondary:   #f8fafc;
    --bg-card:        #ffffff;
    --text-primary:   #1f2937;
    --text-secondary: #6b7280;
    --border:         #e5e7eb;
    --shadow:         rgba(0,0,0,0.10);
    --shadow-lg:      rgba(0,0,0,0.15);
    --navbar-bg:      #ffffff;
    --gradient:       linear-gradient(135deg,#8b5cf6 0%,#10b981 100%);
    --code-bg:        #1e1e2e;
    --code-text:      #cdd6f4;
    --mono:           'IBM Plex Mono', monospace;
    /* difficulty colours */
    --c-beginner:     #10b981;
    --c-intermediate: #f59e0b;
    --c-advanced:     #8b5cf6;
    --c-tricky:       #ef4444;
    /* topic colours */
    --c-delta:        #ff6b35;
    --c-spark:        #e8b14f;
    --c-unity:        #06b6d4;
    --c-perf:         #ef4444;
    --c-stream:       #3b82f6;
    --c-arch:         #8b5cf6;
    --c-pyspark:      #10b981;
}

[data-theme="dark"] {
    --bg-primary:    #111827;
    --bg-secondary:  #1f2937;
    --bg-card:       #1f2937;
    --text-primary:  #f9fafb;
    --text-secondary:#d1d5db;
    --border:        #374151;
    --shadow:        rgba(0,0,0,0.30);
    --shadow-lg:     rgba(0,0,0,0.50);
    --navbar-bg:     #111827;
    --code-bg:       #0d1117;
    --code-text:     #c9d1d9;
}

html { scroll-behavior:smooth; }
body {
    font-family:'Inter',sans-serif;
    background:var(--bg-secondary);
    color:var(--text-primary);
    line-height:1.6;
    transition:background-color .3s ease, color .3s ease;
    min-height:100vh;
}
a { color:var(--primary); text-decoration:none; }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
    background:var(--gradient);
    padding:3.8rem 2rem 4.2rem;
    text-align:center; color:#fff;
    position:relative; overflow:hidden;
    border-bottom:2px solid var(--border);
}
.hero::before {
    content:''; position:absolute; inset:0;
    background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
    background-size:26px 26px; opacity:.4; pointer-events:none;
}
.hero::after {
    content:''; position:absolute; inset:0;
    background:radial-gradient(ellipse 55% 70% at 8% 60%, rgba(255,255,255,.07) 0%, transparent 60%),
               radial-gradient(ellipse 40% 50% at 92% 20%, rgba(255,255,255,.06) 0%, transparent 60%);
    pointer-events:none;
}
.hero-content { position:relative; z-index:1; max-width:820px; margin:0 auto; }

.hero-eyebrow {
    display:inline-flex; align-items:center; gap:8px;
    background:rgba(255,255,255,.18); backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    padding:6px 18px; border-radius:50px;
    font-size:.82rem; font-weight:700; letter-spacing:.05em;
    text-transform:uppercase; margin-bottom:18px;
}

.hero-h1 {
    font-size:clamp(2rem,5vw,3.4rem); font-weight:800; margin-bottom:14px;
    display:block; letter-spacing:-.02em;
}
.hero-para { font-size:clamp(.95rem,2vw,1.15rem); opacity:.92; margin-bottom:24px; max-width:660px; margin-left:auto; margin-right:auto; }
.hero-stats { display:flex; justify-content:center; gap:1.2rem; flex-wrap:wrap; }
.hero-stats span {
    background:rgba(255,255,255,.18); padding:7px 18px; border-radius:50px;
    display:flex; align-items:center; gap:7px;
    backdrop-filter:blur(10px); font-size:.88rem;
}

[data-theme="dark"] .hero { background:linear-gradient(to right,#111827,#1f2937); }
[data-theme="dark"] .hero-h1,
[data-theme="dark"] .hero-para {
    background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
[data-theme="dark"] .hero-stats span {
    background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    border:1px solid #7c3aed;
}
[data-theme="dark"] .hero-eyebrow {
    background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    border:1px solid #7c3aed;
}

/* ── CONTAINER ────────────────────────────────────────────── */
.container { max-width:1100px; margin:0 auto; padding:2.5rem 2rem; }

/* ── TOOLBAR ──────────────────────────────────────────────── */
.toolbar {
    background:var(--bg-card); border-radius:16px;
    border:2px solid var(--border); box-shadow:0 4px 20px var(--shadow);
    padding:20px 24px; margin-bottom:24px;
    display:flex; flex-direction:column; gap:16px;
}

/* Search */
.search-wrap {
    position:relative; display:flex; align-items:center;
}
.search-icon {
    position:absolute; left:14px; color:var(--text-secondary); font-size:.9rem; pointer-events:none;
}
.search-input {
    width:100%; padding:11px 40px 11px 40px;
    background:var(--bg-secondary); border:2px solid var(--border);
    border-radius:12px; color:var(--text-primary);
    font-size:.95rem; font-family:'Inter',sans-serif;
    transition:all .25s ease; outline:none;
}
.search-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(139,92,246,.1); }
.search-clear {
    position:absolute; right:12px;
    background:none; border:none; color:var(--text-secondary);
    cursor:pointer; padding:4px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    transition:color .2s ease;
}
.search-clear:hover { color:var(--primary); }

/* Difficulty tabs */
.diff-tabs { display:flex; gap:8px; flex-wrap:wrap; }
.diff-tab {
    display:flex; align-items:center; gap:6px;
    padding:8px 18px; border-radius:10px;
    background:var(--bg-secondary); border:2px solid var(--border);
    color:var(--text-secondary); font-size:.87rem; font-weight:600;
    cursor:pointer; font-family:'Inter',sans-serif; transition:all .22s ease;
}
.diff-tab:hover           { border-color:var(--primary); color:var(--primary); transform:translateY(-1px); }
.diff-tab.active          { background:var(--gradient); color:#fff; border-color:transparent; box-shadow:0 4px 14px rgba(139,92,246,.35); }
.diff-tab.diff-beginner   { --hover-c: var(--c-beginner); }
.diff-tab.diff-intermediate { --hover-c: var(--c-intermediate); }
.diff-tab.diff-advanced   { --hover-c: var(--c-advanced); }
.diff-tab.diff-tricky     { --hover-c: var(--c-tricky); }
.diff-tab.diff-beginner:not(.active):hover     { border-color:var(--c-beginner);     color:var(--c-beginner); }
.diff-tab.diff-intermediate:not(.active):hover { border-color:var(--c-intermediate); color:var(--c-intermediate); }
.diff-tab.diff-advanced:not(.active):hover     { border-color:var(--c-advanced);     color:var(--c-advanced); }
.diff-tab.diff-tricky:not(.active):hover       { border-color:var(--c-tricky);       color:var(--c-tricky); }

/* Topic pills */
.topic-pills { display:flex; gap:7px; flex-wrap:wrap; }
.topic-pill {
    padding:5px 14px; border-radius:50px; font-size:.8rem; font-weight:600;
    background:var(--bg-secondary); border:1.5px solid var(--border);
    color:var(--text-secondary); cursor:pointer; font-family:'Inter',sans-serif;
    transition:all .2s ease;
}
.topic-pill:hover { border-color:var(--primary); color:var(--primary); }
.topic-pill.active { background:var(--gradient); color:#fff; border-color:transparent; }

/* Stats row */
.stats-row {
    display:flex; align-items:center; gap:16px; flex-wrap:wrap;
    border-top:1px solid var(--border); padding-top:14px;
}
.stats-item {
    display:flex; align-items:center; gap:6px;
    font-size:.83rem; color:var(--text-secondary);
}
.stats-item i { color:var(--primary); }
.btn-bookmarks-only {
    margin-left:auto; display:flex; align-items:center; gap:6px;
    padding:7px 16px; border-radius:9px; font-size:.83rem; font-weight:600;
    background:var(--bg-secondary); border:1.5px solid var(--border);
    color:var(--text-secondary); cursor:pointer; font-family:'Inter',sans-serif;
    transition:all .22s ease;
}
.btn-bookmarks-only:hover { border-color:var(--primary); color:var(--primary); }
.btn-bookmarks-only.active { background:rgba(139,92,246,.12); border-color:var(--primary); color:var(--primary); }

/* ── STUDY MODE BAR ───────────────────────────────────────── */
.study-mode-bar {
    background:var(--bg-card); border-radius:12px;
    border:2px solid var(--border); padding:14px 22px;
    margin-bottom:22px;
}
.study-mode-inner { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.study-mode-left  { display:flex; align-items:center; gap:12px; }
.study-mode-left i { font-size:1.2rem; color:var(--primary); }
.study-mode-left span:first-of-type { font-weight:700; color:var(--text-primary); font-size:.95rem; }
.study-mode-desc { font-size:.82rem; color:var(--text-secondary); }

/* Toggle switch */
.toggle-switch { position:relative; display:inline-block; width:46px; height:24px; cursor:pointer; flex-shrink:0; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-slider {
    position:absolute; inset:0; background:var(--border); border-radius:12px; transition:.3s ease;
}
.toggle-slider::before {
    content:''; position:absolute; width:18px; height:18px; left:3px; bottom:3px;
    background:white; border-radius:50%; transition:.3s ease; box-shadow:0 1px 4px rgba(0,0,0,.2);
}
.toggle-switch input:checked + .toggle-slider { background:var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform:translateX(22px); }

/* ── Q&A GRID ─────────────────────────────────────────────── */
.qa-grid { display:flex; flex-direction:column; gap:14px; margin-bottom:28px; }

/* ── QA CARD ──────────────────────────────────────────────── */
.qa-card {
    background:var(--bg-card); border-radius:16px;
    border:2px solid var(--border); box-shadow:0 4px 20px var(--shadow);
    overflow:hidden; transition:border-color .25s ease, box-shadow .25s ease;
    animation:fadeInUp .35s ease both;
}
.qa-card:hover { border-color:var(--primary); box-shadow:0 6px 28px rgba(139,92,246,.12); }
.qa-card.bookmarked { border-color:var(--secondary); }

@keyframes fadeInUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }

/* Card header row */
.qa-header {
    display:flex; align-items:center; gap:12px;
    padding:16px 20px; cursor:pointer;
    user-select:none; transition:background .2s ease;
}
.qa-header:hover { background:rgba(139,92,246,.04); }

.qa-number {
    font-family:var(--mono); font-size:.8rem; font-weight:700;
    color:var(--text-secondary); min-width:28px; flex-shrink:0;
}

.qa-badges { display:flex; gap:6px; align-items:center; flex-shrink:0; flex-wrap:wrap; }

/* Difficulty badge */
.badge-diff {
    display:inline-flex; align-items:center; gap:4px;
    padding:3px 10px; border-radius:20px; font-size:.72rem; font-weight:700;
    text-transform:uppercase; letter-spacing:.05em; white-space:nowrap;
}
.badge-diff.beginner     { background:rgba(16,185,129,.12);  color:var(--c-beginner); }
.badge-diff.intermediate { background:rgba(245,158,11,.12);  color:var(--c-intermediate); }
.badge-diff.advanced     { background:rgba(139,92,246,.12);  color:var(--c-advanced); }
.badge-diff.tricky       { background:rgba(239,68,68,.12);   color:var(--c-tricky); }

/* Topic badge */
.badge-topic {
    display:inline-flex; align-items:center; gap:4px;
    padding:3px 10px; border-radius:20px; font-size:.72rem; font-weight:600;
    white-space:nowrap;
}
.badge-topic.delta         { background:rgba(255,107,53,.12);  color:var(--c-delta); }
.badge-topic.spark-sql     { background:rgba(232,177,79,.12);  color:var(--c-spark); }
.badge-topic.unity-catalog { background:rgba(6,182,212,.12);   color:var(--c-unity); }
.badge-topic.performance   { background:rgba(239,68,68,.12);   color:var(--c-perf); }
.badge-topic.streaming     { background:rgba(59,130,246,.12);  color:var(--c-stream); }
.badge-topic.architecture  { background:rgba(139,92,246,.12);  color:var(--c-arch); }
.badge-topic.pyspark       { background:rgba(16,185,129,.12);  color:var(--c-pyspark); }

/* Tricky flame */
.tricky-flame {
    font-size:.85rem; animation:flicker 1.4s ease-in-out infinite;
}
@keyframes flicker { 0%,100%{opacity:1} 50%{opacity:.65} }

.qa-question {
    flex:1; font-size:.97rem; font-weight:600; color:var(--text-primary); line-height:1.45;
}

.qa-actions {
    display:flex; align-items:center; gap:8px; flex-shrink:0; margin-left:auto;
}
.btn-bookmark {
    width:30px; height:30px; border-radius:8px;
    background:none; border:1.5px solid var(--border);
    color:var(--text-secondary); cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    font-size:.8rem; transition:all .2s ease;
}
.btn-bookmark:hover          { border-color:var(--secondary); color:var(--secondary); }
.btn-bookmark.active         { background:rgba(16,185,129,.12); border-color:var(--secondary); color:var(--secondary); }
.qa-chevron {
    width:28px; height:28px; border-radius:7px;
    background:var(--bg-secondary); border:1.5px solid var(--border);
    color:var(--text-secondary); cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    font-size:.75rem; transition:all .25s ease;
}
/* Open state: gradient background on chevron; icon direction handled by JS class swap */
.qa-card.open .qa-chevron { background:var(--gradient); color:#fff; border-color:transparent; }

/* Answer body */
.qa-body {
    display:none; border-top:2px solid var(--border);
    animation:bodySlide .28s ease;
}
.qa-card.open .qa-body { display:block; }

@keyframes bodySlide { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:translateY(0)} }

/* Study mode reveal overlay:
   - Only shown when the card is BOTH open AND study-hidden
   - When study-hidden, the answer body is suppressed  */
.qa-study-reveal {
    display:none; padding:20px;
    border-top:2px dashed var(--border);
    background:var(--bg-secondary);
    text-align:center;
}
.qa-card.open.study-hidden .qa-body         { display:none !important; }
.qa-card.open.study-hidden .qa-study-reveal { display:block; }

.btn-reveal {
    display:inline-flex; align-items:center; gap:8px;
    padding:10px 22px; border-radius:10px;
    background:var(--gradient); color:#fff; border:none;
    font-size:.9rem; font-weight:600; cursor:pointer;
    font-family:'Inter',sans-serif; transition:all .25s ease;
    box-shadow:0 4px 14px rgba(139,92,246,.3);
}
.btn-reveal:hover { transform:translateY(-2px); box-shadow:0 7px 22px rgba(139,92,246,.4); }

/* Answer content */
.answer-wrap { padding:20px 22px; }
.answer-text {
    font-size:.93rem; color:var(--text-secondary); line-height:1.75;
    margin-bottom:16px;
}
.answer-text strong { color:var(--text-primary); }
.answer-text ul, .answer-text ol { margin:10px 0 10px 20px; display:flex; flex-direction:column; gap:6px; }
.answer-text li::marker { color:var(--primary); }

/* Inline code */
.answer-text code {
    background:rgba(139,92,246,.1); color:var(--primary);
    padding:1px 6px; border-radius:4px;
    font-family:var(--mono); font-size:.86em;
    border:1px solid rgba(139,92,246,.18);
}

/* Code block */
.code-block {
    margin:14px 0 0; border-radius:12px; overflow:hidden;
    background:var(--code-bg); border:1px solid rgba(255,255,255,.06);
    box-shadow:0 6px 24px rgba(0,0,0,.2);
}
.code-block-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:9px 16px; background:rgba(255,255,255,.05);
    border-bottom:1px solid rgba(255,255,255,.07);
}
.code-lang {
    display:flex; align-items:center; gap:7px;
    font-family:var(--mono); font-size:.72rem; font-weight:600;
    color:#6ee7b7; text-transform:uppercase; letter-spacing:.08em;
}
.code-lang::before {
    content:''; display:inline-block; width:8px; height:8px;
    border-radius:50%; background:#10b981;
}
.btn-copy-code {
    display:flex; align-items:center; gap:5px;
    padding:3px 10px; background:rgba(255,255,255,.07);
    border:1px solid rgba(255,255,255,.1); border-radius:5px;
    color:#94a3b8; font-size:.73rem; font-weight:600;
    cursor:pointer; font-family:'Inter',sans-serif; transition:all .2s ease;
}
.btn-copy-code:hover { background:rgba(255,255,255,.14); color:#fff; }
.btn-copy-code.copied { background:rgba(16,185,129,.2); border-color:rgba(16,185,129,.3); color:#6ee7b7; }

.code-block pre {
    padding:18px 20px; overflow-x:auto;
    font-family:var(--mono); font-size:.85rem;
    color:var(--code-text); line-height:1.75;
    white-space:pre; margin:0;
}

/* Syntax tokens */
.t-kw   { color:#c084fc; font-weight:600; }
.t-fn   { color:#6ee7b7; }
.t-str  { color:#fca5a5; }
.t-num  { color:#fcd34d; }
.t-cmt  { color:#64748b; font-style:italic; }
.t-op   { color:#94a3b8; }
.t-tbl  { color:#7dd3fc; }
.t-py   { color:#c084fc; }
.t-ann  { color:#fb923c; }

/* Key takeaway */
.key-takeaway {
    display:flex; align-items:flex-start; gap:12px;
    padding:12px 16px; border-radius:10px; margin-top:14px;
    background:rgba(16,185,129,.07); border:1.5px solid rgba(16,185,129,.2);
}
.key-takeaway i { color:var(--secondary); font-size:.95rem; margin-top:2px; flex-shrink:0; }
.key-takeaway p { font-size:.86rem; color:var(--text-secondary); line-height:1.6; }
.key-takeaway strong { color:var(--secondary); }

/* Gotcha box */
.gotcha-box {
    display:flex; align-items:flex-start; gap:12px;
    padding:12px 16px; border-radius:10px; margin-top:12px;
    background:rgba(239,68,68,.07); border:1.5px solid rgba(239,68,68,.22);
}
.gotcha-box i { color:#ef4444; font-size:.95rem; margin-top:2px; flex-shrink:0; }
.gotcha-box p { font-size:.86rem; color:var(--text-secondary); line-height:1.6; }
.gotcha-box strong { color:#ef4444; }

/* Compare table */
.compare-table { width:100%; border-collapse:collapse; margin-top:12px; font-size:.83rem; border-radius:10px; overflow:hidden; border:2px solid var(--border); }
.compare-table thead th {
    background:rgba(139,92,246,.1); padding:9px 14px;
    text-align:left; font-weight:700; color:var(--text-primary);
    border-bottom:2px solid var(--border);
}
.compare-table tbody td { padding:8px 14px; border-bottom:1px solid var(--border); color:var(--text-secondary); }
.compare-table tbody tr:last-child td { border-bottom:none; }
.compare-table tbody tr:hover { background:var(--bg-secondary); }

/* ── PANEL HEADER ─────────────────────────────────────────── */
.panel-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 20px;
    background:rgba(139,92,246,.1); border-bottom:2px solid var(--border);
    font-weight:700; font-size:.95rem; color:var(--text-primary);
}
.panel-header > span { display:flex; align-items:center; gap:8px; }
.panel-header > span i { color:var(--primary); }

/* ── PROGRESS CARD ────────────────────────────────────────── */
.progress-card {
    background:var(--bg-card); border-radius:16px;
    border:2px solid var(--border); box-shadow:0 4px 20px var(--shadow);
    overflow:hidden;
}
.progress-body {
    display:flex; align-items:center; gap:24px;
    padding:18px 22px; flex-wrap:wrap;
}
.progress-stat { display:flex; flex-direction:column; align-items:center; gap:2px; }
.ps-value { font-family:var(--mono); font-size:1.6rem; font-weight:800; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.ps-label { font-size:.76rem; color:var(--text-secondary); font-weight:600; }
.progress-bar-full { flex:1; min-width:120px; position:relative; }
.progress-bar-fill-full {
    height:8px; background:var(--bg-secondary); border-radius:4px;
    border:1px solid var(--border); overflow:hidden; margin-bottom:4px;
}
.progress-bar-fill-full { height:8px; }
/* override — inner fill */
#progress-bar-fill {
    height:100%; width:0%; background:var(--gradient); border-radius:4px; transition:width .5s ease;
}
.progress-pct { font-size:.78rem; font-weight:700; color:var(--primary); font-family:var(--mono); }

.btn-clear-progress {
    display:flex; align-items:center; gap:6px;
    padding:6px 13px; border-radius:8px; font-size:.8rem; font-weight:600;
    background:none; border:1.5px solid var(--border);
    color:var(--text-secondary); cursor:pointer; font-family:'Inter',sans-serif;
    transition:all .2s ease;
}
.btn-clear-progress:hover { border-color:#ef4444; color:#ef4444; }

/* ── EMPTY STATE ──────────────────────────────────────────── */
.empty-state {
    text-align:center; padding:60px 20px;
    color:var(--text-secondary); display:flex; flex-direction:column;
    align-items:center; gap:12px;
}
.empty-state i { font-size:3rem; opacity:.25; }
.empty-state h3 { font-size:1.2rem; color:var(--text-primary); }
.empty-state p  { font-size:.9rem; }
.btn-reset-filters {
    display:inline-flex; align-items:center; gap:7px;
    padding:10px 22px; border-radius:10px; margin-top:8px;
    background:var(--gradient); color:#fff; border:none;
    font-size:.9rem; font-weight:600; cursor:pointer; font-family:'Inter',sans-serif;
}

/* ── NOTIFICATION ─────────────────────────────────────────── */
.notification {
    position:fixed; top:80px; right:20px;
    padding:14px 22px; background:var(--gradient); color:#fff;
    border-radius:10px; box-shadow:0 4px 20px rgba(139,92,246,.4);
    transform:translateX(420px); transition:transform .4s ease;
    z-index:1000; font-weight:500;
    display:flex; align-items:center; gap:9px; font-size:.92rem;
}
.notification.show    { transform:translateX(0); }
.notification.success { background:linear-gradient(135deg,#10b981,#059669); }
.notification.error   { background:linear-gradient(135deg,#ef4444,#dc2626); }
.notification.warning { background:linear-gradient(135deg,#f59e0b,#d97706); }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width:768px) {
    .hero { padding:2.8rem 1.5rem 3.2rem; }
    .hero-h1 { font-size:1.9rem; }
    .hero-para { font-size:.95rem; }
    .hero-stats { gap:.8rem; }
    .container { padding:1.5rem; }
    .diff-tabs { flex-wrap:wrap; }
    .diff-tab { flex:1; min-width:100px; justify-content:center; padding:7px 10px; font-size:.82rem; }
    .study-mode-desc { display:none; }
    .progress-body { gap:16px; }
    .btn-bookmarks-only { margin-left:0; }
    .stats-row { gap:10px; }
}
@media (max-width:576px) {
    .container { padding:1rem; }
    .hero { padding:2.2rem 1rem 2.8rem; }
    .hero-h1 { font-size:1.65rem; }
    .toolbar { padding:14px 16px; gap:12px; }
    .qa-header { padding:13px 14px; gap:8px; }
    .qa-question { font-size:.9rem; }
    .answer-wrap { padding:16px; }
    .notification { left:10px; right:10px; width:calc(100% - 20px); top:70px; transform:translateY(-100px); }
    .notification.show { transform:translateY(0); }
}