/* SPDX-License-Identifier: GPL-3.0-or-later */

:root {
    --bg: #ffffff;
    --fg: #1a1a1a;
    --muted: #4a4a4a;
    --border: #b8b8b8;
    --accent: #0b6e4f;
    --accent-fg: #ffffff;
    --accent-soft: #e6f4ef;
    --error-bg: #fdecec;
    --error-fg: #8a1c1c;
    --warn-bg: #fff6e0;
    --warn-fg: #5c4200;
    --focus: #1a56db;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121417;
        --fg: #f0f0f0;
        --muted: #c2c2c2;
        --border: #555a60;
        --accent: #4fd1a5;
        --accent-fg: #071a12;
        --accent-soft: #15302a;
        --error-bg: #3a1414;
        --error-fg: #ffb4b4;
        --warn-bg: #3a2e0f;
        --warn-fg: #ffe08a;
        --focus: #8ab4ff;
    }
}

* {
    box-sizing: border-box;
}

html {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans JP", sans-serif;
    line-height: 1.5;
    background: var(--bg);
    color: var(--fg);
}

body {
    margin: 0 auto;
    padding: 1rem;
    max-width: 62rem;
}

h1 {
    font-size: 1.8rem;
    margin: 0.5rem 0;
}

h2 {
    font-size: 1.25rem;
    margin: 0 0 0.5rem;
}

h3 {
    font-size: 1.05rem;
    margin: 0.5rem 0;
}

p {
    margin: 0.4rem 0;
}

code {
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 0.95em;
    background: var(--accent-soft);
    padding: 0 0.25em;
    border-radius: 3px;
}

a {
    color: var(--accent);
}

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--bg);
    padding: 0.5rem;
}

.skip-link:focus {
    left: 0.5rem;
    top: 0.5rem;
    z-index: 10;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.site-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.tagline {
    color: var(--muted);
}

.privacy {
    background: var(--accent-soft);
    border-left: 4px solid var(--accent);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
}

.step {
    margin: 1.25rem 0;
}

.dropzone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: border-color 0.15s;
}

.dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.file-label {
    display: block;
    cursor: pointer;
}

.file-label-title {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
}

.file-label-hint {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
}

#file-input {
    display: block;
    margin: 0.75rem auto 0;
    max-width: 100%;
}

.file-name {
    color: var(--muted);
    margin-top: 0.5rem;
    word-break: break-all;
}

.status {
    min-height: 1.5rem;
    margin: 0.5rem 0;
    font-weight: 500;
}

.error {
    background: var(--error-bg);
    color: var(--error-fg);
    border: 1px solid currentColor;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin: 0.75rem 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 0.75rem;
}

button,
.button {
    font: inherit;
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--fg);
    cursor: pointer;
    min-height: 2.5rem;
}

button:hover:not(:disabled),
.button:hover {
    border-color: var(--accent);
}

button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

button.primary,
a.download {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    font-weight: 600;
}

a.download {
    display: inline-block;
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    word-break: break-all;
}

.move-buttons {
    display: inline-flex;
    gap: 0.25rem;
}

.move-buttons button {
    min-width: 2.5rem;
    padding: 0.35rem 0.5rem;
}

.table-wrap {
    overflow-x: auto;
}

table.dictionaries {
    width: 100%;
    border-collapse: collapse;
}

table.dictionaries th,
table.dictionaries td {
    text-align: left;
    vertical-align: top;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
}

table.dictionaries th {
    background: var(--accent-soft);
}

.dict-title {
    font-weight: 600;
    word-break: break-word;
}

.dict-meta,
.contents {
    color: var(--muted);
    font-size: 0.9rem;
}

.archive-name {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.9rem;
    word-break: break-all;
}

.progress-wrap {
    margin: 0.75rem 0;
}

progress {
    display: block;
    width: 100%;
    height: 1rem;
    accent-color: var(--accent);
}

.report ul {
    padding-left: 1.25rem;
}

.report li.warning {
    background: var(--warn-bg);
    color: var(--warn-fg);
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    margin: 0.25rem 0;
    list-style: none;
}

.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 2rem;
    padding-top: 0.75rem;
    color: var(--muted);
    font-size: 0.9rem;
}

/* Narrow screens: stack each table row as a card. */
@media (max-width: 40rem) {
    table.dictionaries thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
    }

    table.dictionaries,
    table.dictionaries tbody,
    table.dictionaries tr,
    table.dictionaries td {
        display: block;
        width: 100%;
    }

    table.dictionaries tr {
        border: 1px solid var(--border);
        border-radius: 8px;
        margin-bottom: 0.75rem;
        padding: 0.25rem 0;
    }

    table.dictionaries td {
        border-bottom: none;
        padding: 0.3rem 0.75rem;
    }

    table.dictionaries td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.8rem;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 0.02em;
    }

    table.dictionaries td.position::before {
        content: none;
    }

    table.dictionaries td.position {
        font-weight: 700;
        font-size: 1.1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}