/* ============================================================
   WORD UNSCRAMBLER v2.0 — Modern Dark Theme
   style.css → /wp-content/plugins/word-unscrambler/assets/
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;700&display=swap');

/* ─────────────────────────────────────────────
   FULL-WIDTH PAGE OVERRIDE
   Breaks out of theme sidebar/container
───────────────────────────────────────────── */
.wu-fullwidth-page .site-main,
.wu-fullwidth-page .entry-content,
.wu-fullwidth-page .page-content,
.wu-fullwidth-page article,
.wu-fullwidth-page .content-area {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* ─────────────────────────────────────────────
   CSS VARIABLES
───────────────────────────────────────────── */
#wu-app {
    --bg:        #0a0a0f;
    --surface:   #131318;
    --surface2:  #1c1c24;
    --border:    #2a2a38;
    --border2:   #3a3a4e;
    --accent:    #7c6af7;
    --accent2:   #a78bfa;
    --accent3:   #c4b5fd;
    --teal:      #06d6a0;
    --text:      #e8e6f0;
    --muted:     #7a7890;
    --subtle:    #3d3d52;
    --radius:    14px;
    --radius-sm: 9px;
}

/* ─────────────────────────────────────────────
   APP ROOT — FULL WIDTH
───────────────────────────────────────────── */
#wu-app {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    background: var(--bg);
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* ─────────────────────────────────────────────
   INNER MAX-WIDTH WRAPPER (for text content)
───────────────────────────────────────────── */
.wu-hero,
.wu-tool-wrap,
.wu-results-wrap,
.wu-no-results,
.wu-faq-section,
.wu-footer {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 40px;
    padding-right: 40px;
}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
.wu-hero {
    padding-top: 80px;
    padding-bottom: 56px;
    text-align: center;
    position: relative;
}

.wu-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse, rgba(124,106,247,0.16) 0%, transparent 68%);
    pointer-events: none;
    z-index: 0;
}

.wu-hero > * { position: relative; z-index: 1; }

.wu-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(124,106,247,0.12);
    border: 1px solid rgba(124,106,247,0.3);
    color: var(--accent2);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
    animation: wu-fadeUp .6s ease both;
}

.wu-hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--teal);
    border-radius: 50%;
    animation: wu-pulse 2s infinite;
}

@keyframes wu-pulse {
    0%,100% { opacity:1; transform:scale(1) }
    50%      { opacity:.4; transform:scale(.7) }
}

.wu-headline {
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
    animation: wu-fadeUp .6s .1s ease both;
}

.wu-headline span {
    background: linear-gradient(135deg, #7c6af7, #a78bfa, #06d6a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.wu-subheadline {
    font-size: 1.05rem;
    color: var(--muted);
    line-height: 1.7;
    max-width: 500px;
    margin: 18px auto 0;
    font-weight: 400;
    animation: wu-fadeUp .6s .2s ease both;
}

/* ─────────────────────────────────────────────
   TOOL CARD
───────────────────────────────────────────── */
.wu-tool-wrap {
    padding-bottom: 44px;
    animation: wu-fadeUp .6s .3s ease both;
}

.wu-tool-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 36px;
    position: relative;
    overflow: hidden;
}

.wu-tool-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124,106,247,.5), transparent);
}

.wu-input-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
}

.wu-input-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 8px;
}

.wu-letter-input {
    flex: 1;
    background: #0d0d14;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent3);
    letter-spacing: .15em;
    text-transform: uppercase;
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
    caret-color: var(--accent);
}

.wu-letter-input::placeholder {
    font-size: .95rem;
    font-weight: 400;
    letter-spacing: .03em;
    text-transform: none;
    color: #2a2a3e;
    font-family: 'Space Grotesk', sans-serif;
}

.wu-letter-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124,106,247,.15);
    background: #0f0f18;
}

.wu-clear-btn {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    background: #0d0d14;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--muted);
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
    margin-top: 2px;
}

.wu-clear-btn:hover {
    background: rgba(232,87,87,.1);
    border-color: rgba(232,87,87,.5);
    color: #e85757;
}

.wu-input-hint {
    font-size: 12px;
    color: var(--subtle);
    margin-bottom: 28px;
}

/* ─────────────────────────────────────────────
   MAIN BUTTON
───────────────────────────────────────────── */
.wu-main-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #7c6af7, #6459e0);
    border: none;
    border-radius: var(--radius);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    transition: transform .15s, box-shadow .2s, opacity .2s;
    position: relative;
    overflow: hidden;
    letter-spacing: .01em;
}

.wu-main-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,.08), transparent);
    pointer-events: none;
}

.wu-main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124,106,247,.45);
}

.wu-main-btn:active {
    transform: translateY(0);
}

.wu-main-btn.wu-loading {
    opacity: .7;
    pointer-events: none;
}

.wu-btn-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.wu-btn-spark {
    font-size: 18px;
    transition: transform .3s;
}

.wu-main-btn:hover .wu-btn-spark {
    transform: rotate(20deg) scale(1.15);
}

/* ─────────────────────────────────────────────
   FILTER BAR
───────────────────────────────────────────── */
.wu-filter-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.wu-filter-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-right: 4px;
}

.wu-chips-wrap {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
}

.wu-chip {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 100px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all .2s;
}

.wu-chip:hover,
.wu-chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 0 14px rgba(124,106,247,.35);
}

.wu-copy-btn {
    margin-left: auto;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 12px;
    font-weight: 600;
    padding: 7px 15px;
    border-radius: 9px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
}

.wu-copy-btn:hover {
    background: rgba(6,214,160,.1);
    border-color: var(--teal);
    color: var(--teal);
}

/* ─────────────────────────────────────────────
   RESULTS
───────────────────────────────────────────── */
.wu-results-wrap {
    padding-bottom: 12px;
    animation: wu-fadeUp .35s ease;
}

.wu-results-meta {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.wu-word-count {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
}

.wu-from-letters {
    font-size: .88rem;
    color: var(--muted);
}

.wu-groups {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.wu-group {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px 26px;
    transition: border-color .2s;
    animation: wu-fadeUp .4s ease;
}

.wu-group:hover {
    border-color: var(--border2);
}

.wu-group-hdr {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.wu-group-lbl {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
}

.wu-group-cnt {
    font-size: 11px;
    background: rgba(124,106,247,.15);
    color: var(--accent2);
    padding: 2px 9px;
    border-radius: 100px;
    font-weight: 700;
}

.wu-group-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.wu-word-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ─────────────────────────────────────────────
   WORD TAGS
───────────────────────────────────────────── */
.wu-wtag {
    font-family: 'JetBrains Mono', monospace;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 7px 14px;
    border-radius: 9px;
    background: rgba(124,106,247,.08);
    color: var(--accent2);
    border: 1px solid rgba(124,106,247,.2);
    cursor: default;
    transition: all .18s;
    animation: wu-tagPop .25s ease backwards;
    user-select: all;
}

.wu-wtag:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(124,106,247,.4);
}

.wu-wtag:nth-child(1)  { animation-delay:.02s }
.wu-wtag:nth-child(2)  { animation-delay:.04s }
.wu-wtag:nth-child(3)  { animation-delay:.06s }
.wu-wtag:nth-child(4)  { animation-delay:.08s }
.wu-wtag:nth-child(5)  { animation-delay:.10s }
.wu-wtag:nth-child(6)  { animation-delay:.12s }
.wu-wtag:nth-child(7)  { animation-delay:.14s }
.wu-wtag:nth-child(8)  { animation-delay:.16s }
.wu-wtag:nth-child(9)  { animation-delay:.18s }
.wu-wtag:nth-child(10) { animation-delay:.20s }
.wu-wtag:nth-child(11) { animation-delay:.22s }
.wu-wtag:nth-child(12) { animation-delay:.24s }

@keyframes wu-tagPop {
    from { opacity:0; transform:scale(.84) translateY(4px) }
    to   { opacity:1; transform:scale(1) translateY(0) }
}

/* ─────────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────────── */
@keyframes wu-fadeUp {
    from { opacity:0; transform:translateY(16px) }
    to   { opacity:1; transform:translateY(0) }
}

/* ─────────────────────────────────────────────
   NO RESULTS
───────────────────────────────────────────── */
.wu-no-results {
    padding-bottom: 12px;
}

.wu-no-results-inner {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 56px 24px;
    text-align: center;
    animation: wu-fadeUp .35s ease;
}

.wu-no-results-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    opacity: .5;
}

.wu-no-results-inner h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.wu-no-results-inner p {
    font-size: .92rem;
    color: var(--muted);
    line-height: 1.65;
}

/* ─────────────────────────────────────────────
   FAQ
───────────────────────────────────────────── */
.wu-faq-section {
    padding-top: 64px;
    padding-bottom: 20px;
    border-top: 1px solid var(--border);
    margin-top: 44px;
}

.wu-faq-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--text);
    margin-bottom: 28px;
}

.wu-faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wu-faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .2s;
}

.wu-faq-item[open] {
    border-color: var(--border2);
}

.wu-faq-q {
    list-style: none;
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
    padding: 18px 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: background .15s;
    user-select: none;
}

.wu-faq-q::-webkit-details-marker { display: none }

.wu-faq-q::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--muted);
    flex-shrink: 0;
    transition: transform .25s, color .2s;
}

details[open] .wu-faq-q::after {
    transform: rotate(45deg);
    color: var(--accent2);
}

.wu-faq-q:hover { background: rgba(255,255,255,.02) }

.wu-faq-a {
    font-size: .88rem;
    color: var(--muted);
    line-height: 1.7;
    padding: 0 22px 18px;
    border-top: 1px solid var(--border);
}

/* ─────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────── */
.wu-footer {
    padding-top: 28px;
    padding-bottom: 52px;
    border-top: 1px solid var(--border);
    margin-top: 44px;
    text-align: center;
}

.wu-footer p {
    font-size: .8rem;
    color: var(--subtle);
}

/* ─────────────────────────────────────────────
   TOAST
───────────────────────────────────────────── */
.wu-toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: var(--surface2);
    border: 1px solid var(--border2);
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    font-size: .85rem;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 100px;
    box-shadow: 0 4px 24px rgba(0,0,0,.5);
    opacity: 0;
    pointer-events: none;
    transition: all .3s ease;
    z-index: 99999;
    white-space: nowrap;
}

.wu-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ─────────────────────────────────────────────
   UTILITY
───────────────────────────────────────────── */
.wu-hidden { display: none !important }

/* ─────────────────────────────────────────────
   RESPONSIVE — MOBILE
───────────────────────────────────────────── */
@media (max-width: 640px) {
    .wu-hero,
    .wu-tool-wrap,
    .wu-results-wrap,
    .wu-no-results,
    .wu-faq-section,
    .wu-footer {
        padding-left: 20px;
        padding-right: 20px;
    }

    .wu-hero { padding-top: 52px; padding-bottom: 36px }

    .wu-tool-card { padding: 22px 18px }

    .wu-letter-input {
        font-size: 1.2rem;
        padding: 14px 16px;
    }

    .wu-filter-bar { flex-direction: column; align-items: flex-start }

    .wu-copy-btn {
        margin-left: 0;
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .wu-group { padding: 18px 16px }

    .wu-faq-q { font-size: .9rem; padding: 16px 18px }
    .wu-faq-a { padding: 0 18px 16px }
}