/* Terminal-inspired aesthetic */
:root {
    --bg: #E0DBC3;
    --fg: #3D2E1F;
    --fg-soft: #6B5A45;
    --accent: #8B3A1F;
    --border: #3D2E1F;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    color: var(--fg);
    font-family: "SF Mono", "Menlo", "Monaco", "Courier New", monospace;
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 28px 80px;
}

/* Header */
.header {
    margin-bottom: 28px;
}

.cursor {
    display: inline-block;
    width: 0.6em;
    height: 1em;
    background-color: var(--fg);
    vertical-align: text-bottom;
    margin-left: 2px;
    animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
    50% { background-color: transparent; }
}

.title {
    font-size: 24px;
    font-weight: bold;
    margin: 0;
    letter-spacing: 0;
}

/* Intro row: about + tabs */
.intro-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px 40px;
    align-items: start;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--fg);
}

.about {
    margin: 0;
    color: var(--fg);
    max-width: 36em;
}

.tabs {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.tab {
    font: inherit;
    font-weight: bold;
    color: var(--fg);
    background: none;
    border: none;
    padding: 2px 0;
    cursor: pointer;
    text-decoration: none;
    text-align: right;
}

.tab:hover,
.tab:focus {
    background-color: var(--fg);
    color: var(--bg);
    outline: none;
}

.tab.is-active {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.tab-link::after {
    content: " ↗";
    font-weight: normal;
}

/* Panels */
.panels {
    min-height: 200px;
}

.panel[hidden] {
    display: none;
}

/* Entry lists (contacts, etc.) */
.entries {
    list-style: none;
    padding: 0;
    margin: 0;
}

.entries li {
    margin: 0 0 14px;
    padding: 0;
}

.entry-title {
    font-weight: bold;
    color: var(--fg);
    text-decoration: none;
    border-bottom: 1px solid var(--fg);
}

.entry-title:hover,
.entry-title:focus {
    background-color: var(--fg);
    color: var(--bg);
    border-bottom-color: var(--fg);
    outline: none;
}

.entry-arrow {
    color: var(--fg-soft);
    margin: 0 6px;
}

.entry-desc {
    color: var(--fg);
}

/* Prose (tutoring, long text) */
.prose {
    max-width: 42em;
}

.prose p {
    margin: 0 0 14px;
}

.prose a {
    color: var(--fg);
    font-weight: bold;
    border-bottom: 1px solid var(--fg);
    text-decoration: none;
}

.prose a:hover,
.prose a:focus {
    background-color: var(--fg);
    color: var(--bg);
    outline: none;
}

/* Latest layout */
.latest-layout {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px 48px;
    align-items: start;
}

.latest-feed {
    min-width: 0;
}

.feed-item {
    margin: 0 0 22px;
}

.feed-item-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 12px;
    margin-bottom: 4px;
}

.feed-item-title {
    font-weight: bold;
}

.feed-item-tags {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
}

.feed-item-short {
    margin: 0;
}

.feed-item-long {
    margin: 10px 0 0;
    color: var(--fg);
}

.feed-item-long p {
    margin: 0 0 10px;
}

.read-more {
    font: inherit;
    color: var(--fg-soft);
    background: none;
    border: none;
    padding: 0;
    margin-top: 6px;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.read-more:hover,
.read-more:focus {
    color: var(--fg);
    outline: none;
}

.empty-feed {
    margin: 0;
    color: var(--fg-soft);
}

/* Tags */
.tag {
    display: inline-block;
    font-size: 13px;
    line-height: 1.3;
    padding: 1px 6px;
    font-weight: normal;
}

.tag-btn {
    font: inherit;
    cursor: pointer;
    border: 1px solid transparent;
}

.tag-btn:hover,
.tag-btn:focus {
    outline: 1px solid var(--fg);
    outline-offset: 1px;
}

.tag-btn.is-active {
    outline: 2px solid var(--fg);
    outline-offset: 1px;
}

/* Tag sidebar */
.tag-sidebar {
    flex-shrink: 0;
    min-width: 100px;
}

.tag-sidebar-label {
    margin: 0 0 8px;
    font-size: 13px;
    color: var(--fg-soft);
    text-transform: lowercase;
}

.tag-filter {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

/* Selection */
::selection {
    background-color: var(--fg);
    color: var(--bg);
}

/* Mobile */
@media (max-width: 640px) {
    body {
        font-size: 14px;
    }
    .wrap {
        padding: 24px 18px 60px;
    }
    .intro-row {
        grid-template-columns: 1fr;
    }
    .tabs {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 8px 16px;
    }
    .tab {
        text-align: left;
    }
    .latest-layout {
        grid-template-columns: 1fr;
    }
    .tag-sidebar {
        order: -1;
        border-bottom: 1px solid var(--fg-soft);
        padding-bottom: 16px;
        margin-bottom: 8px;
    }
    .tag-filter {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .entry-arrow {
        display: block;
        margin: 2px 0;
    }
}