/* ---- Minimal modern reset & layout fixes ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

:where(h1, h2, h3, h4, h5, p, ul, ol) {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    line-height: 1.5;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: linear-gradient(180deg, var(--bg) 100%);
    color: var(--text);
    padding: 28px;
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

.wrap>* {
    min-width: 0;
}

/* ---- Theme Toggle ---- */
.theme-toggle {
    border: none;
    background: var(--card);
    color: var(--text);
    padding: 6px 10px;
    font-size: 16px;
    border-radius: 10px;
    box-shadow: 0 2px 6px var(--stroke);
    cursor: pointer;
    transition: transform .12s ease, opacity .12s ease;
}

.theme-toggle:active {
    transform: scale(.98);
}

/* ---- Layout ---- */
.wrap {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 22px;
}

header {
    grid-column: 1/-1;
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-container img {
    height: 130px;
}

.logo {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    box-shadow: 0 8px 24px rgba(192, 88, 160, 0.12);
}

h1 {
    font-size: 20px;
}

p.lead {
    color: var(--muted);
    font-size: 13px;
}

/* ---- Cards ---- */
.card {
    background: var(--card);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 8px 30px rgba(40, 18, 60, 0.04);
    border: 1px solid var(--stroke);
    overflow: hidden;
}

.card+.card {
    margin-top: 0;
}

/* ---- Form Elements ---- */
label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 8px;
}

.files {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

input[type=file] {
    color: inherit;
}

input[type=text],
textarea {
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--chip);
    color: var(--text);
    width: 100%;
    box-shadow: inset 0 1px 0 rgba(16, 12, 24, 0.02);
}

.pattern-input {
    width: 132px;
    background-color: var(--card);
    color: var(--text);
    padding: 6px 10px;
    border-radius: 10px;
    text-transform: lowercase;
}

/* ---- Buttons ---- */
button {
    background: transparent;
    border: 1px solid var(--stroke);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
}

button.primary {
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
    color: #fff;
    border: 0;
    box-shadow: 0 6px 18px rgba(192, 88, 160, 0.10);
}

.copy-btn {
    border: 1px solid var(--stroke);
    background: transparent;
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer;
}

/* ---- History ---- */
.history {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hist-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.chip {
    background: var(--chip);
    padding: 6px 10px;
    border-radius: 10px;
    font-weight: 600;
    border: 1px solid var(--stroke);
    color: var(--text);
}

/* ---- Controls ---- */
.controls {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.controls label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.button-group {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* ---- Main Content ---- */
.main-col {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.top-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.candidates-section {
    flex: 1;
    min-width: 0;
}

.suggestions-section {
    width: 320px;
    min-width: 260px;
}

#topBox {
    margin-top: 8px;
}

.candidate-list {
    max-height: 180px;
    overflow: auto;
    padding: 12px;
    border-radius: 10px;
    border: 1px dashed var(--stroke);
}

/* ---- Tables ---- */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th,
td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px dashed rgba(40, 18, 60, 0.04);
    font-size: 14px;
}

th {
    color: var(--muted);
    font-weight: 600;
}

/* ---- Openers Grid ---- */
.openers-grid {
    border-collapse: collapse;
    margin-top: 6px;
    font-size: 12px;
    width: 100%;
}

.openers-grid td {
    padding: 6px 8px;
    border: 1px solid var(--chip);
    vertical-align: top;
    min-width: 90px;
}

.openers-cell-word {
    font-weight: 600;
    display: block;
}

.openers-cell-entropy {
    font-size: 11px;
    color: var(--muted);
    display: block;
    margin-top: 3px;
}

.grid-wrap {
    display: block;
    overflow: auto;
    padding-top: 6px;
}

/* ---- Utility Classes ---- */
.small,
.muted {
    font-size: 12px;
    color: var(--muted);
}

.small-right {
    font-size: 13px;
    color: var(--muted);
}

.bad {
    color: #ef476f;
    background: rgba(239, 71, 111, 0.06);
    padding: 4px 8px;
    border-radius: 6px;
}

.pill {
    background: linear-gradient(90deg, rgba(238, 225, 232, 0.14), rgba(134, 134, 134, 0.12));
    padding: 5px 5px;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid var(--stroke);
    color: var(--text);
}

.result-word {
    font-weight: 800;
    letter-spacing: 0.06em;
}

.flex {
    display: flex;
    gap: 8px;
    align-items: center;
}

.hint {
    font-size: 12px;
    color: var(--muted);
}

.notes-list {
    padding-left: 18px;
}

#loadStatus {
    margin-top: 12px;
}

/* ---- Spinner ---- */
.spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 3px solid rgba(43, 37, 64, 0.12);
    border-top-color: var(--accent1);
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ---- Divider ---- */
hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, rgba(192, 132, 252, 0.06), rgba(244, 114, 182, 0.04));
    margin: 14px 0;
}

/* ---- Responsive ---- */
@media (max-width:980px) {
    .wrap {
        grid-template-columns: 1fr;
        padding: 0;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .logo {
        width: 48px;
        height: 48px;
    }

    .top-row {
        flex-direction: column;
    }
}