/*
 * Shared styles for the single-page tools in /tools.
 *
 * Site chrome (header, nav, footer, theme toggle) lives in ../styles.css and
 * ../site.js. This file only holds the tool-surface components, so new tool
 * pages do not each carry a 300-line copy of the same buttons and panes.
 */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    font-family: "Times New Roman", Times, Georgia, serif;
}

.main-wrapper,
.page-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.tool-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem 2rem;
    box-sizing: border-box;
    min-height: 0;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .tool-container { padding: 1rem; }
}

.tool-top {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.tool-left-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tool-container h1 {
    font-size: 1.1rem;
    margin: 0;
    white-space: nowrap;
    font-weight: normal;
}

.tool-subtitle {
    color: var(--fg-dim);
    font-size: 0.9rem;
    margin: 0 0 1rem;
}

.tool-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ---------- buttons & inputs ---------- */

.tool-btn {
    background-color: var(--surface-raised);
    color: var(--fg);
    border: 1px solid var(--border-hover);
    padding: 0.4rem 0.75rem;
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s ease, opacity 0.2s ease;
}

.tool-btn:hover { background-color: var(--border-hover); }
.tool-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.tool-btn:focus-visible,
.tool-tab:focus-visible,
.tool-select:focus-visible,
.tool-input:focus-visible { outline: 2px solid var(--border-accent); outline-offset: 1px; }

.tool-btn.primary {
    background-color: var(--fg);
    color: var(--bg);
    border-color: var(--fg);
    font-weight: 600;
}

.tool-btn.primary:hover { opacity: 0.9; }

.tool-btn.small {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

.tool-select,
.tool-input {
    background-color: var(--surface);
    color: var(--fg);
    border: 1px solid var(--border-hover);
    padding: 0.4rem 0.6rem;
    font-family: inherit;
    font-size: 0.875rem;
    border-radius: 4px;
    box-sizing: border-box;
}

.tool-input:focus,
.tool-select:focus { border-color: var(--border-accent); outline: none; }

.tool-input.mono { font-family: "SFMono-Regular", Consolas, Monaco, monospace; }

.tool-check {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    color: var(--fg-muted);
    cursor: pointer;
    user-select: none;
}

.tool-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 0;
}

.tool-field > label,
.tool-label {
    font-size: 0.75rem;
    color: var(--fg-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.tool-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

/* ---------- tabs ---------- */

.tool-tabs {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-hover);
    border-radius: 4px;
    overflow: hidden;
    width: fit-content;
    flex-wrap: wrap;
}

.tool-tab {
    background: var(--surface);
    color: var(--fg-muted);
    border: 0;
    border-right: 1px solid var(--border-hover);
    padding: 0.4rem 0.9rem;
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
}

.tool-tab:last-child { border-right: 0; }
.tool-tab:hover { color: var(--fg); }

.tool-tab[aria-selected="true"] {
    background: var(--fg);
    color: var(--bg);
    font-weight: 600;
}

/* ---------- editor panes ---------- */

.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .tool-grid { grid-template-columns: 1fr; }
}

.editor-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 0;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 1.75rem;
}

.editor-header label,
.editor-header .tool-label {
    font-size: 0.875rem;
    color: var(--fg-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.tool-textarea,
.tool-output {
    width: 100%;
    min-height: 320px;
    background-color: var(--surface);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    font-family: "SFMono-Regular", Consolas, Monaco, "Andale Mono", monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    box-sizing: border-box;
    outline: none;
    overflow: auto;
    margin: 0;
}

.tool-textarea { resize: vertical; transition: border-color 0.2s ease; }
.tool-textarea:focus { border-color: var(--border-accent); }

.tool-output {
    white-space: pre-wrap;
    word-break: break-word;
    user-select: text;
}

.tool-textarea::-webkit-scrollbar,
.tool-output::-webkit-scrollbar { width: 8px; height: 8px; }
.tool-textarea::-webkit-scrollbar-track,
.tool-output::-webkit-scrollbar-track { background: var(--surface); border-radius: 4px; }
.tool-textarea::-webkit-scrollbar-thumb,
.tool-output::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }

/* ---------- panels, status, misc ---------- */

.tool-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
}

.status-banner {
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-family: monospace;
    display: none;
}

.status-banner.success {
    display: block;
    background-color: var(--success-bg);
    color: var(--success-fg);
    border: 1px solid var(--success-border);
}

.status-banner.error {
    display: block;
    background-color: var(--error-bg);
    color: var(--error-fg);
    border: 1px solid var(--error-border);
}

.tool-badge {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.15rem 0.45rem;
    border-radius: 3px;
    border: 1px solid var(--border-hover);
    color: var(--fg-muted);
}

.tool-badge.ok { color: var(--success-fg); border-color: var(--success-border); background: var(--success-bg); }
.tool-badge.warn { color: var(--error-fg); border-color: var(--error-border); background: var(--error-bg); }

.mono { font-family: "SFMono-Regular", Consolas, Monaco, monospace; }

/* Key/value result table used by the timestamp converter and image editor. */
.kv-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.kv-table th,
.kv-table td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.kv-table th { color: var(--fg-dim); font-weight: normal; width: 34%; white-space: nowrap; }
.kv-table td { font-family: "SFMono-Regular", Consolas, Monaco, monospace; word-break: break-all; }
.kv-table td .tool-btn { margin-left: 0.5rem; font-family: inherit; }

/* Color swatches (image editor palette). */
.swatch-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.swatch {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 84px;
    border: 1px solid var(--border-hover);
    border-radius: 4px;
    overflow: hidden;
    background: var(--surface-raised);
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    color: var(--fg);
}

.swatch-chip { height: 48px; }
.swatch-meta { font-size: 0.72rem; padding: 0.25rem 0.35rem; text-align: left; line-height: 1.3; }
.swatch-meta .mono { font-size: 0.72rem; }
.swatch:hover { border-color: var(--border-accent); }