:root {
    color-scheme: dark;
    --bg: #0f0f0f;
    --surface: #1a1a1a;
    --surface2: #242424;
    --border: #2e2e2e;
    --accent: #c8a96e;
    --accent-dim: rgba(200, 169, 110, 0.12);
    --accent-glow: rgba(200, 169, 110, 0.25);
    --error: #e05c5c;
    --error-bg: rgba(224, 92, 92, 0.1);
    --ok: #5ca87e;
    --text: #d4cfc8;
    --text-dim: #7a746c;
    --text-dimmer: #4a4540;
    --FONT_MONO:
    "DejaVu Sans Mono", "Courier New", "Lucida Console", "Monaco", "Menlo",
    "Droid Sans Mono", "Ubuntu Mono", monospace;
    --radius: 6px;
}

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

html {
    font-size: 16px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--FONT_MONO);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem 4rem;
}

/* ── Header ── */
header {
    width: 100%;
    max-width: 760px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo {
    font-size: 1rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    user-select: none;
}

.logo span {
    color: var(--text-dim);
}

/* ── Controls bar ── */
.controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.lang-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

select {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
    font-family: var(--FONT_MONO);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%237a746c'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    padding-right: 1.8rem;
    transition: border-color 0.2s;
}

select:focus {
    outline: none;
    border-color: var(--accent);
}

.btn {
    background: var(--surface);
    color: var(--text-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    font-family: var(--FONT_MONO);
    letter-spacing: 0.08em;
    cursor: pointer;
    transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
    white-space: nowrap;
}

.btn:hover {
    background: var(--surface2);
    color: var(--text);
    border-color: var(--accent);
}

.btn.accent {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: var(--accent);
}

.btn.accent:hover {
    background: var(--accent-glow);
}

/* ── Editor container ── */
.editor-wrap {
    width: 100%;
    max-width: 760px;
    position: relative;
}

textarea {
    width: 100%;
    height: 420px;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1.05rem;
    font-family: var(--FONT_MONO);
    line-height: 1.65;
    padding: 1rem 1.1rem;
    resize: vertical;
    transition:
    border-color 0.2s,
    box-shadow 0.2s;
    spellcheck: false;
}

textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

/* Dict loading bar */
.dict-bar {
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    overflow: hidden;
    margin-top: -2px;
    position: relative;
}

.dict-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 1px;
    transition:
    width 0.3s ease,
    opacity 0.4s;
}

.dict-bar-fill.indeterminate {
    width: 40%;
    animation: slide 1s ease-in-out infinite alternate;
}

@keyframes slide {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(250%);
    }
}

/* ── Status / results ── */
#results {
width: 100%;
max-width: 760px;
margin-top: 0.85rem;
min-height: 2.2rem;
display: flex;
align-items: flex-start;
gap: 0.5rem;
flex-wrap: wrap;
}

.status-icon {
    font-size: 0.8rem;
    padding: 0.25rem 0.55rem;
    border-radius: var(--radius);
    letter-spacing: 0.07em;
    font-size: 0.78rem;
    flex-shrink: 0;
}

.status-ok {
    background: rgba(92, 168, 126, 0.12);
    color: var(--ok);
    border: 1px solid rgba(92, 168, 126, 0.25);
}

.status-err {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(224, 92, 92, 0.25);
}

.status-loading {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(200, 169, 110, 0.3);
}

.words-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    flex: 1;
}

.word-chip {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(224, 92, 92, 0.2);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}

/* ── Modal overlay ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.8rem 2rem;
    width: min(480px, 92vw);
    transform: translateY(16px) scale(0.97);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.modal-backdrop.open .modal {
    transform: translateY(0) scale(1);
}

.modal-title {
    font-size: 0.9rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 0.2rem;
    font-family: var(--FONT_MONO);
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text);
}

.modal-section {
    margin-bottom: 1.2rem;
}

.modal-section-label {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dimmer);
    margin-bottom: 0.55rem;
}

.char-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.char-btn {
    background: var(--surface2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 5px;
    width: 2.6rem;
    height: 2.6rem;
    font-size: 1.1rem;
    font-family: var(--FONT_MONO);
    cursor: pointer;
    transition:
    background 0.15s,
    border-color 0.15s,
    transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.char-btn:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
    transform: scale(1.08);
}

.char-btn:active {
    transform: scale(0.95);
}

.modal-hint {
    font-size: 0.75rem;
    color: var(--text-dimmer);
    line-height: 1.5;
    border-top: 1px solid var(--border);
    padding-top: 0.9rem;
}

.modal-hint kbd {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0.1rem 0.35rem;
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* ── Spinner for dict load only ── */
.spinner-dot {
    display: inline-block;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 1s ease-in-out infinite;
    margin-right: 0.4rem;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.25;
    }
}

/* word count */
.meta-bar {
    width: 100%;
    max-width: 760px;
    display: flex;
    justify-content: flex-end;
    gap: 1.2rem;
    margin-top: 0.4rem;
}

.meta-item {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-dimmer);
}

.meta-item span {
    color: var(--text-dim);
}

/* responsive */
@media (max-width: 500px) {
    textarea {
        height: 300px;
    }
    .modal {
        padding: 1.3rem 1.2rem;
    }
}