/* ── MagicWords styles ──────────────────────────────────────────────────── */

:root {
    --bg: #0b0d14;
    --bg-surface: #13151f;
    --bg-raised: #1c1f2e;
    --text: #e4e6ef;
    --text-dim: #6b6f85;
    --text-ghost: #3a3d50;
    --accent: #7c9cff;
    --accent-glow: rgba(124, 156, 255, 0.12);
    --pink: #e8a0bf;
    --pink-dim: #9a6b82;
    --alt-text: #636890;
    --green: #4cde80;
    --orange: #ffa54c;

    /* ── POS colours ─────────────────────────────────────────── */
    --pos-noun: #5b9bf5;
    /* blue */
    --pos-pron: #3a6fd8;
    /* deeper blue */
    --pos-adj: #56d4c8;
    /* cyan */
    --pos-det: #357a73;
    /* darker cyan */
    --pos-num: #5b9bf5;
    /* blue (nominal family) */
    --pos-adv: #b8e04c;
    /* chartreuse */
    --pos-verb: #f06060;
    /* red */
    --pos-aux: #e8834a;
    /* orange-red (warm verb family) */
    --pos-prep: #4cde80;
    /* green */
    --pos-conj: #7a7e93;
    /* grey */
    --pos-intj: #ff5dae;
    /* bright pink */
    --pos-part: #b8e04c;
    /* chartreuse (adverb family) */
    --pos-sbar: #7a7e93;
    /* grey (clause) */
    --pos-default: #6b6f85;
    /* fallback */

    --radius: 10px;
    --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --serif: 'EB Garamond', 'Georgia', 'Garamond', 'Times New Roman', serif;
}

/* ── Light mode ────────────────────────────────────────────────────────── */

:root.light {
    --bg: #f5f5f0;
    --bg-surface: #eaeae5;
    --bg-raised: #ddddd7;
    --text: #1a1a2e;
    --text-dim: #5a5a6e;
    --text-ghost: #9a9ab0;
    --accent: #4466cc;
    --accent-glow: rgba(68, 102, 204, 0.1);
    --pink: #c04080;
    --pink-dim: #8a3060;
    --alt-text: #666688;
    --green: #2a9050;
    --orange: #cc7020;

    --pos-noun: #2060c0;
    --pos-pron: #1848a0;
    --pos-adj: #1a8a80;
    --pos-det: #226660;
    --pos-num: #2060c0;
    --pos-adv: #688a10;
    --pos-verb: #c03030;
    --pos-aux: #b06020;
    --pos-prep: #1a8040;
    --pos-conj: #606070;
    --pos-intj: #c03080;
    --pos-part: #688a10;
    --pos-sbar: #606070;
    --pos-default: #5a5a6e;
}

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

html {
    font-size: 17px;
    scroll-behavior: smooth;
}

body {
    -webkit-user-select: none;
    user-select: none;
    background: var(--bg);
    color: var(--text);
    font-family: var(--serif);
    min-height: 100vh;
    overflow-x: hidden;
    overscroll-behavior: none;
}

/* ── App & centering ───────────────────────────────────────────────────── */

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 2rem;
}

/* Spacer: height set dynamically by JS to keep current line at 1/3 from top */
#spacer {
    flex: 0 0 auto;
    height: 0;
}

/* ── Text area (all sentences + current line) ──────────────────────────── */

#text-area {
    width: 100%;
    max-width: 680px;
    text-align: center;
    position: relative;
}

/* Completed sentences — above and below the current line */
#completed-above,
#completed-below {
    opacity: 0.45;
}

#completed-above {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--text-ghost);
}

#completed-below {
    margin-top: 1rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--text-ghost);
}

.completed-sentence {
    margin-bottom: 0.8rem;
}

#completed-above:empty,
#completed-below:empty {
    display: none;
}

#completed-above .sentence-row,
#completed-below .sentence-row {
    display: flex;
    align-items: baseline;
    margin-bottom: 0.15rem;
}

#completed-above .sentence-num,
#completed-below .sentence-num {
    flex: 0 0 auto;
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text-ghost);
    min-width: 1.6em;
    text-align: right;
    padding-right: 0.8em;
    user-select: none;
    cursor: pointer;
    transition: color 0.15s;
}

#completed-above .sentence-num:hover,
#completed-below .sentence-num:hover {
    color: var(--accent);
}

#completed-above .sentence,
#completed-below .sentence {
    font-size: 1.35rem;
    line-height: 1.8;
    color: var(--text-dim);
    text-align: center;
    white-space: nowrap;
    flex: 1;
}

#completed-above .sentence .word,
#completed-below .sentence .word {
    cursor: pointer;
    border-radius: 3px;
    padding: 0 1px;
    transition: background 0.1s;
}

#completed-above .sentence .word:hover,
#completed-above .sentence .word.hovered,
#completed-below .sentence .word:hover,
#completed-below .sentence .word.hovered {
    background: var(--bg-raised);
    text-decoration: underline;
    text-decoration-color: var(--text-ghost);
    text-underline-offset: 2px;
}

#completed-above .sentence-row-active,
#completed-below .sentence-row-active {
    background: var(--accent-glow);
    border-radius: 4px;
    padding: 0 4px;
    margin: 0 -4px;
}

/* ── Current line: committed text + typed chars (pink) + caret + ghost ── */

#current-line-wrap {
    position: relative;
}

#current-sentence-num {
    position: absolute;
    right: calc(100% + 0.5em);
    top: 0;
    font-family: var(--mono);
    font-size: 0.65rem;
    line-height: 1.8em;
    color: var(--text-ghost);
    user-select: none;
}

#current-sentence-num:empty {
    display: none;
}

#pos-row {
    position: relative;
    height: 0;
    width: 100%;
}

#pos-row:empty {
    display: none;
}

.pos-tag {
    position: absolute;
    bottom: 1px;
    font-size: 0.42rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    opacity: 1;
    transform: translateX(-50%);
    white-space: nowrap;
    pointer-events: none;
    line-height: 1;
}

.pos-tag.predicted {
    opacity: 1;
}

#committed-after {
    color: var(--text);
}

#current-line {
    font-size: 1.4rem;
    line-height: 1.15;
    min-height: 1.4em;
    text-align: center;
    white-space: nowrap;
    position: relative;
    padding: 0.15em 0 0.25em;
}

#committed {
    color: var(--text);
}

.committed-word {
    border-radius: 3px;
    padding: 0 1px;
    cursor: default;
    transition: background 0.1s;
}

.committed-word:hover,
.committed-word.hovered {
    background: var(--bg-raised);
}

.committed-word.active-word {
    background: var(--accent-glow);
    outline: 1.5px solid var(--accent);
    outline-offset: 1px;
    border-radius: 3px;
}

.committed-word.tree-hl {
    background: rgba(124, 156, 255, 0.15);
}

#completed-above .word.tree-hl,
#completed-below .word.tree-hl {
    background: rgba(124, 156, 255, 0.15);
}

#buffer-inline {
    color: var(--pink);
}

#caret {
    display: inline-block;
    width: 1.5px;
    height: 1.1em;
    vertical-align: text-bottom;
    background: var(--accent);
    animation: caret-pulse 1.2s ease-in-out infinite;
}

#ghost-completion {
    display: inline-block;
    width: 0;
    overflow: visible;
    white-space: nowrap;
    text-align: left;
    color: var(--pink-dim);
}

#inline-info {
    display: inline-block;
    width: 0;
    overflow: visible;
    white-space: nowrap;
    text-align: left;
    font-size: 0.6rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-ghost);
    margin-left: 0.5em;
    vertical-align: baseline;
}

@keyframes caret-pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.2;
    }
}

/* ── Suggestions (inline below current word) ──────────────────────────── */

#suggestions {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    min-height: 0;
    width: max-content;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    z-index: 20;
}

.suggestion {
    padding: 0.05rem 0;
    cursor: pointer;
    font-family: var(--serif);
    font-size: 1.4rem;
    line-height: 1.5;
    opacity: 0.35;
    transition: opacity 0.12s;
}

.suggestion:hover {
    opacity: 0.8;
}

.suggestion.selected {
    opacity: 0.65;
}

/* ── Syntax tree (below the current sentence) ─────────────────────────── */

#syntax-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 0;
    overflow: visible;
    padding-top: 0;
    pointer-events: none;
}

#syntax-tree:empty {
    display: none;
}

/* ── Prior clauses (completed clauses of current sentence, above active clause) */

#prior-clauses:empty {
    display: none;
}

.prior-clause {
    margin-bottom: 0.15rem;
}

.prior-clause-text {
    font-size: 1.4rem;
    line-height: 1.8;
    text-align: center;
    white-space: nowrap;
    color: var(--text);
}

.prior-clause-text .committed-word {
    border-radius: 3px;
    padding: 0 1px;
    cursor: default;
    transition: background 0.1s;
}

.prior-clause-text .committed-word:hover,
.prior-clause-text .committed-word.hovered {
    background: var(--bg-raised);
}

.prior-clause-text .committed-word.tree-hl {
    background: rgba(124, 156, 255, 0.15);
}

/* ── Brace tree (below current line) ───────────────────────────────────── */

.brace-tree {
    position: relative;
    width: 100%;
    min-height: 0;
}

.brace-svg {
    position: absolute;
    overflow: visible;
    pointer-events: auto;
    cursor: default;
}

.brace-svg path {
    stroke-width: 1.5;
    stroke-linecap: round;
    transition: filter 0.12s;
}

.brace-svg:hover path {
    filter: brightness(1.3);
}

.brace-svg.bracket-active path {
    filter: brightness(1.3);
}

.brace-label {
    position: absolute;
    font-size: 0.42rem;
    font-family: var(--mono);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0.55;
    transform: translateX(-50%);
    pointer-events: none;
}

/* ── Tense popover ────────────────────────────────────────────────────── */

#tense-popover {
    position: fixed;
    z-index: 100;
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 0.3rem 0.1rem;
    font-family: var(--mono);
    font-size: 0.6rem;
    display: none;
    pointer-events: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

#tense-popover.visible {
    display: block;
}

.tense-item {
    padding: 0.12rem 0.4rem;
    display: flex;
    gap: 0.6rem;
    align-items: center;
    color: var(--text-dim);
    white-space: nowrap;
    border-radius: 3px;
}

.tense-item.active {
    color: var(--pos-verb);
    background: var(--accent-glow);
}

.tense-label {
    min-width: 5.5em;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    opacity: 0.7;
    font-size: 0.55rem;
}

.tense-word {
    font-family: var(--serif);
    font-size: 0.8rem;
    color: var(--text);
}

.tense-item.active .tense-word {
    color: var(--pos-verb);
    font-weight: 600;
}

.tense-hint {
    display: block;
    text-align: center;
    font-size: 0.5rem;
    color: var(--text-ghost);
    padding: 0.2rem 0.4rem 0;
    letter-spacing: 0.02em;
}

.light #tense-popover {
    border-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* ── Definition panel ─────────────────────────────────────────────────── */

#definition-panel {
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    max-width: 32rem;
    width: 90vw;
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
    font-family: var(--serif);
    font-size: 0.85rem;
    color: var(--text);
    display: none;
    z-index: 50;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.45;
    max-height: 8rem;
    overflow-y: auto;
}

#definition-panel.visible {
    display: block;
}

.def-word {
    font-weight: 600;
    font-size: 0.95rem;
    margin-right: 0.4em;
}

.def-pos {
    font-family: var(--mono);
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    margin-right: 0.5em;
    vertical-align: middle;
}

.def-phonetic {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-style: italic;
    margin-right: 0.5em;
}

.def-meaning {
    margin: 0.15rem 0;
    padding-left: 0.8rem;
    color: var(--text);
    font-size: 0.8rem;
}

.def-meaning-num {
    color: var(--text-dim);
    font-family: var(--mono);
    font-size: 0.6rem;
    margin-right: 0.3em;
}

.def-loading {
    color: var(--text-ghost);
    font-style: italic;
    font-size: 0.75rem;
}

.light #definition-panel {
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ── Edit-mode word style ─────────────────────────────────────────────── */

.committed-word.editing {
    background: var(--accent-glow);
    outline: 1.5px dashed var(--accent);
    outline-offset: 1px;
    border-radius: 3px;
}

/* ── Whole-word drag selection ────────────────────────────────────────── */

.word-selected,
.committed-word.word-selected {
    background: color-mix(in srgb, var(--accent) 25%, transparent);
    border-radius: 3px;
}

/* ── Multi-clause layout ──────────────────────────────────────────────── */

.clause-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    width: 100%;
}

.clause-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.clause-gutter {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 2.2rem;
    position: relative;
    padding-top: 0.15rem;
    flex-shrink: 0;
}

/* Vertical connector between clause rows */
.clause-gutter-cont::after {
    content: '';
    position: absolute;
    top: 1.1rem;
    left: 50%;
    width: 1px;
    bottom: -0.6rem;
    background: var(--text-ghost);
    opacity: 0.35;
}

.clause-badge {
    font-size: 0.5rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--bg-raised);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    white-space: nowrap;
    z-index: 1;
}

.clause-tree {
    flex: 1;
    min-width: 0;
    overflow: visible;
}

/* ── Welcome prompt (shown inside suggestions area) ────────────────────── */

#prompt {
    font-size: 0.95rem;
    color: var(--text-ghost);
    padding: 0.2rem 0.5rem;
    transition: opacity 0.4s;
}

#prompt.hidden {
    opacity: 0;
    height: 0;
    padding: 0;
    overflow: hidden;
}

/* ── Status bar ────────────────────────────────────────────────────────── */

#status {
    position: fixed;
    top: 1rem;
    right: 1.5rem;
    font-size: 0.72rem;
    font-family: var(--mono);
    color: var(--text-dim);
    background: var(--bg-surface);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: opacity 0.6s;
    z-index: 10;
}

#status.fade {
    opacity: 0;
    pointer-events: none;
}

/* ── Footer ────────────────────────────────────────────────────────────── */

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    padding: 0.6rem 1rem;
    font-size: 0.72rem;
    color: var(--text-ghost);
    background: linear-gradient(transparent, var(--bg) 40%);
    pointer-events: none;
}

footer kbd {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.65rem;
    padding: 0.1em 0.4em;
    border-radius: 3px;
    background: var(--bg-raised);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-dim);
}

.keys-help {
    opacity: 0.7;
}

/* ── POS colour utility classes (used when colorText mode is on) ──────── */

.pos-NOUN {
    color: var(--pos-noun) !important;
}

.pos-PRON {
    color: var(--pos-pron) !important;
}

.pos-ADJ {
    color: var(--pos-adj) !important;
}

.pos-DET {
    color: var(--pos-det) !important;
}

.pos-NUM {
    color: var(--pos-num) !important;
}

.pos-ADV {
    color: var(--pos-adv) !important;
}

.pos-VERB {
    color: var(--pos-verb) !important;
}

.pos-AUX {
    color: var(--pos-aux) !important;
}

.pos-PREP {
    color: var(--pos-prep) !important;
}

.pos-CONJ {
    color: var(--pos-conj) !important;
}

.pos-INTJ {
    color: var(--pos-intj) !important;
}

.pos-PART {
    color: var(--pos-part) !important;
}

.pos-SBAR {
    color: var(--pos-sbar) !important;
}

.pos-PUNCT {
    color: var(--pos-default) !important;
}

.pos-NP {
    color: var(--pos-noun) !important;
}

.pos-VP {
    color: var(--pos-verb) !important;
}

.pos-PP {
    color: var(--pos-prep) !important;
}

.pos-S {
    color: var(--pos-default) !important;
}

/* ── POS toggle button ─────────────────────────────────────────────────── */

#pos-toggle {
    position: fixed;
    top: 1rem;
    left: 1.5rem;
    font-size: 0.65rem;
    font-family: var(--mono);
    color: var(--text-dim);
    background: var(--bg-surface);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    user-select: none;
    z-index: 10;
    transition: color 0.15s, border-color 0.15s;
}

#pos-toggle:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.15);
}

.light #pos-toggle:hover,
.light #theme-toggle:hover,
.light #align-toggle:hover {
    border-color: rgba(0, 0, 0, 0.2);
}

#pos-toggle.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* ── Theme toggle button ───────────────────────────────────────────── */

#theme-toggle {
    position: fixed;
    top: 1rem;
    left: 5rem;
    font-size: 0.75rem;
    font-family: var(--mono);
    color: var(--text-dim);
    background: var(--bg-surface);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    user-select: none;
    z-index: 10;
    transition: color 0.15s, border-color 0.15s;
}

#theme-toggle:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.15);
}

#theme-toggle.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* ── Align toggle button ───────────────────────────────────────────── */

#align-toggle {
    position: fixed;
    top: 1rem;
    left: 8.2rem;
    font-size: 0.75rem;
    font-family: var(--mono);
    color: var(--text-dim);
    background: var(--bg-surface);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    user-select: none;
    z-index: 10;
    transition: color 0.15s, border-color 0.15s;
}

#align-toggle:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.15);
}

.light #align-toggle:hover {
    border-color: rgba(0, 0, 0, 0.2);
}

#align-toggle.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* ── Left-align mode overrides ─────────────────────────────────────── */

.left-align #text-area {
    text-align: left;
}

.left-align #current-line {
    text-align: left;
}

.left-align #completed-above .sentence,
.left-align #completed-below .sentence {
    text-align: left;
}

.left-align .prior-clause-text {
    text-align: left;
}

.left-align .clause-tree-label {
    text-align: left;
}

/* ── Word editing overlay ──────────────────────────────────────────────── */

.word-editing {
    outline: 1.5px solid var(--accent) !important;
    background: var(--bg-raised) !important;
}

/* ── Light mode overrides for hardcoded borders / shadows ──────────────── */

.light #suggestions {
    /* no overrides needed — no chrome */
}

.light .clause-badge {
    border-color: rgba(0, 0, 0, 0.1);
}

.light #status {
    border-color: rgba(0, 0, 0, 0.08);
}

.light footer kbd {
    border-color: rgba(0, 0, 0, 0.1);
}

.light #pos-toggle,
.light #theme-toggle {
    border-color: rgba(0, 0, 0, 0.1);
}

.light #completed-above,
.light #completed-below {
    border-color: var(--text-ghost);
}

.light .committed-word.tree-hl,
.light .prior-clause-text .committed-word.tree-hl,
.light #completed-above .sentence .word.tree-hl,
.light #completed-below .sentence .word.tree-hl {
    background: rgba(68, 102, 204, 0.12);
}

.light #completed-above .sentence-row-active,
.light #completed-below .sentence-row-active {
    background: rgba(68, 102, 204, 0.08);
}

.light .clause-gutter-cont::after {
    background: var(--text-dim);
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 520px) {
    html {
        font-size: 15px;
    }

    #spacer {
        height: 22vh;
    }

    #current-line {
        font-size: 1.15rem;
    }

    #completed-above .sentence,
    #completed-below .sentence {
        font-size: 1.15rem;
    }

    #prompt {
        font-size: 1.3rem;
    }
}