/* ============================================================
   BlueArch Linux — bluearch.css
   Responsive: smartwatch (200px) → phone → tablet → laptop
               → desktop → 4K TV (2560px+)
   ============================================================ */

/* ── BASE ── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: clamp(12px, 1.4vw, 16px);
}

body {
    background-color: #1a1a1a;
    color: #c8c8c8;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

a {
    color: #cc0000;
    text-decoration: none;
}

a:hover {
    color: #ff3333;
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ── NAVBAR ── */
.navbar {
    background-color: #111111;
    border-bottom: 2px solid #cc0000;
    padding: 0 clamp(10px, 2vw, 30px);
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar .logo img {
    height: clamp(22px, 4vw, 36px);
    vertical-align: middle;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid #444444;
    color: #c8c8c8;
    font-size: 18px;
    padding: 3px 10px;
    cursor: pointer;
    line-height: 1;
}

.nav-toggle:hover {
    border-color: #cc0000;
    color: #ffffff;
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-links a {
    color: #c8c8c8;
    text-decoration: none;
    margin-left: clamp(8px, 1.2vw, 20px);
    font-size: clamp(11px, 1vw, 14px);
    padding: 4px 2px;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: #ffffff;
    border-bottom-color: #cc0000;
    text-decoration: none;
}

/* ── HERO ── */
.hero {
    margin-top: 50px;
    background-color: #111111;
    border-bottom: 1px solid #333333;
    padding: clamp(20px, 5vw, 60px) clamp(12px, 4vw, 40px);
    text-align: center;
}

.hero h1 {
    color: #ffffff;
    font-size: clamp(22px, 5vw, 52px);
    margin: 0 0 8px 0;
    letter-spacing: clamp(1px, 0.3vw, 4px);
}

.hero h1 span {
    color: #cc0000;
}

.hero h2 {
    color: #888888;
    font-size: clamp(11px, 1.5vw, 18px);
    font-weight: normal;
    margin: 0;
}

/* ── CONTAINER ── */
.container {
    max-width: 980px;
    width: 100%;
    margin: 0 auto;
    padding: clamp(14px, 3vw, 36px) clamp(10px, 2.5vw, 24px);
}

/* ── PAGE HEADER ── */
.page-header {
    border-bottom: 1px solid #333333;
    margin-bottom: 18px;
    padding-bottom: 8px;
}

.page-header h1 {
    color: #cc0000;
    font-size: clamp(14px, 2vw, 21px);
    display: inline;
    margin: 0;
}

.page-header h2 {
    color: #888888;
    font-size: clamp(12px, 1.5vw, 17px);
    font-weight: normal;
    display: inline;
    margin: 0 0 0 8px;
}

/* ── PANEL ── */
.panel {
    background-color: #222222;
    border: 1px solid #333333;
    margin-bottom: 18px;
}

.panel-heading {
    background-color: #2a2a2a;
    border-bottom: 1px solid #333333;
    padding: 8px 14px;
    color: #ffffff;
    font-weight: bold;
    font-size: clamp(11px, 1.1vw, 14px);
}

.panel-body {
    padding: clamp(10px, 1.5vw, 16px);
    line-height: 1.7;
    font-size: clamp(11px, 1.1vw, 14px);
}

.panel-body p {
    margin: 0 0 10px 0;
}

.panel-body p:last-child {
    margin-bottom: 0;
}

/* ── SECTION TITLE ── */
h2.section-title {
    color: #ffffff;
    font-size: clamp(13px, 1.5vw, 17px);
    border-bottom: 1px solid #333333;
    padding-bottom: 6px;
    margin: clamp(18px, 3vw, 30px) 0 14px 0;
}

/* ── SCREENSHOTS ── */
.screenshots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(6px, 1vw, 12px);
    margin-bottom: 18px;
}

.screenshots a {
    display: block;
}

.screenshots img {
    width: 100%;
    border: 1px solid #333333;
}

.screenshots img:hover {
    border-color: #cc0000;
    opacity: 0.9;
}

/* ── TABLE ── */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: clamp(10px, 1vw, 13px);
    min-width: 380px;
}

table td,
table th {
    padding: clamp(5px, 0.8vw, 9px) clamp(8px, 1vw, 14px);
    border-bottom: 1px solid #2e2e2e;
    text-align: left;
}

table th {
    color: #ffffff;
    font-weight: bold;
    border-bottom: 1px solid #444444;
    background-color: #2a2a2a;
}

table tr:hover td {
    background-color: #282828;
}

table a {
    color: #cc0000;
    font-size: clamp(10px, 1vw, 13px);
}

table a:hover {
    color: #ff3333;
}

/* ── TERMINAL ── */
.terminal {
    background-color: #0d0d0d;
    border: 1px solid #333333;
    padding: clamp(10px, 1.5vw, 16px);
    font-family: monospace;
    font-size: clamp(10px, 1vw, 13px);
    line-height: 1.9;
    margin-bottom: 18px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: pre;
}

.terminal .prompt { color: #cc0000; }
.terminal .cmd    { color: #e8e8e8; }
.terminal .out    { color: #888888; }
.terminal .ok     { color: #44aa66; }
.terminal .cmt    { color: #555555; }

code {
    background-color: #0d0d0d;
    border: 1px solid #333333;
    padding: 1px 5px;
    font-family: monospace;
    font-size: clamp(10px, 1vw, 13px);
    color: #e8e8e8;
    word-break: break-word;
}

/* ── BUTTONS ── */
.btn {
    display: inline-block;
    background-color: #cc0000;
    color: #ffffff;
    padding: clamp(6px, 0.8vw, 9px) clamp(12px, 1.5vw, 18px);
    font-size: clamp(11px, 1vw, 14px);
    text-decoration: none;
    margin-right: 8px;
    margin-top: 8px;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #aa0000;
    color: #ffffff;
    text-decoration: none;
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: #c8c8c8;
    padding: clamp(5px, 0.7vw, 8px) clamp(10px, 1.2vw, 16px);
    font-size: clamp(11px, 1vw, 14px);
    text-decoration: none;
    margin-right: 8px;
    margin-top: 8px;
    border: 1px solid #444444;
    cursor: pointer;
}

.btn-outline:hover {
    border-color: #cc0000;
    color: #ffffff;
    text-decoration: none;
}

/* ── FAQ ── */
.faq-q {
    color: #ffffff;
    font-weight: bold;
    font-size: clamp(12px, 1.2vw, 15px);
    margin: 18px 0 5px 0;
}

.faq-a {
    color: #aaaaaa;
    font-size: clamp(11px, 1.1vw, 14px);
    line-height: 1.7;
    margin: 0 0 4px 0;
    padding-left: 12px;
    border-left: 2px solid #333333;
}

.faq-a a       { color: #cc0000; }
.faq-a a:hover { color: #ff3333; }

/* ── NEWS ── */
.news-date {
    color: #cc0000;
    font-size: clamp(10px, 1vw, 13px);
    margin: 20px 0 3px 0;
    font-weight: bold;
}

.news-title {
    color: #ffffff;
    font-size: clamp(12px, 1.3vw, 16px);
    font-weight: bold;
    margin: 0 0 5px 0;
}

.news-body {
    color: #aaaaaa;
    font-size: clamp(11px, 1.1vw, 14px);
    line-height: 1.7;
    padding-bottom: 16px;
    border-bottom: 1px solid #2e2e2e;
    margin: 0;
}

.news-body:last-child {
    border-bottom: none;
}

/* ── COMMUNITY GRID ── */
.comm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 18px;
}

.comm-card {
    background: #222222;
    border: 1px solid #333333;
    padding: clamp(12px, 1.5vw, 18px);
}

.comm-card h3 {
    color: #cc0000;
    font-size: clamp(11px, 1.1vw, 14px);
    margin: 0 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comm-card p {
    color: #aaaaaa;
    font-size: clamp(11px, 1.1vw, 14px);
    line-height: 1.6;
    margin: 0 0 10px 0;
}

/* ── GUIDE ── */
.guide-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.guide-toc {
    width: 170px;
    flex-shrink: 0;
    background: #222222;
    border: 1px solid #333333;
    padding: 12px;
    position: sticky;
    top: 60px;
    font-size: clamp(11px, 1vw, 13px);
}

.guide-toc p {
    color: #ffffff;
    font-weight: bold;
    font-size: clamp(10px, 0.9vw, 12px);
    margin: 0 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guide-toc a {
    display: block;
    color: #aaaaaa;
    text-decoration: none;
    padding: 4px 0;
    border-bottom: 1px solid #2e2e2e;
    font-size: clamp(11px, 1vw, 13px);
}

.guide-toc a:last-child {
    border-bottom: none;
}

.guide-toc a:hover {
    color: #cc0000;
    text-decoration: none;
}

.guide-content {
    flex: 1;
    min-width: 0;
}

.guide-content h2 {
    color: #ffffff;
    font-size: clamp(13px, 1.4vw, 16px);
    border-bottom: 1px solid #333333;
    padding-bottom: 5px;
    margin: 22px 0 10px 0;
}

.guide-content h3 {
    color: #cccccc;
    font-size: clamp(11px, 1.1vw, 14px);
    margin: 12px 0 5px 0;
}

.guide-content p {
    color: #aaaaaa;
    font-size: clamp(11px, 1.1vw, 14px);
    line-height: 1.7;
    margin: 0 0 8px 0;
}

.guide-content a       { color: #cc0000; }
.guide-content a:hover { color: #ff3333; }

/* ── TOOLS ── */
.tool-search {
    width: 100%;
    background: #0d0d0d;
    border: 1px solid #333333;
    color: #e8e8e8;
    padding: clamp(6px, 1vw, 10px) 12px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(11px, 1.1vw, 14px);
    margin-bottom: 12px;
    outline: none;
}

.tool-search:focus {
    border-color: #cc0000;
}

.tool-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 12px;
}

.tool-cats button {
    background: #222222;
    border: 1px solid #333333;
    color: #aaaaaa;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(10px, 1vw, 13px);
    padding: clamp(3px, 0.5vw, 6px) clamp(8px, 1vw, 12px);
    cursor: pointer;
}

.tool-cats button:hover,
.tool-cats button.active {
    background: #cc0000;
    border-color: #cc0000;
    color: #ffffff;
}

.tools-count {
    color: #666666;
    font-size: clamp(10px, 1vw, 13px);
    margin-bottom: 10px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
}

.tool-card {
    background: #222222;
    border: 1px solid #2e2e2e;
    padding: clamp(8px, 1vw, 12px);
}

.tool-card:hover {
    border-color: #444444;
}

.tool-name {
    color: #cc0000;
    font-weight: bold;
    font-size: clamp(11px, 1.1vw, 14px);
    margin-bottom: 3px;
}

.tool-desc {
    color: #888888;
    font-size: clamp(10px, 1vw, 13px);
    line-height: 1.5;
}

.tool-tag {
    display: inline-block;
    border: 1px solid #2e2e2e;
    color: #555555;
    font-size: clamp(9px, 0.9vw, 12px);
    padding: 0 5px;
    margin-top: 5px;
}

/* ── DONATE ── */
.crypto-label {
    color: #888888;
    font-size: clamp(10px, 1vw, 13px);
    margin-bottom: 4px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.crypto-addr {
    background: #0d0d0d;
    border: 1px solid #333333;
    padding: clamp(6px, 1vw, 10px) 12px;
    font-family: monospace;
    font-size: clamp(10px, 1vw, 13px);
    color: #aaaaaa;
    word-break: break-all;
    cursor: pointer;
}

.crypto-addr:hover {
    border-color: #cc0000;
    color: #e8e8e8;
}

/* ── FOOTER ── */
footer {
    background-color: #111111;
    border-top: 2px solid #cc0000;
    text-align: center;
    padding: clamp(14px, 2vw, 24px) clamp(10px, 2vw, 20px);
    margin-top: 30px;
    font-size: clamp(10px, 1vw, 13px);
    color: #555555;
}

footer a {
    color: #555555;
    text-decoration: none;
    margin: 0 clamp(4px, 0.8vw, 10px);
}

footer a:hover {
    color: #cc0000;
}

/* ============================================================
   BREAKPOINTS
   ~200-249px  smartwatch
   ~250-399px  very small / old phone
   ~400-599px  phone portrait
   ~600-767px  phone landscape / small tablet
   ~768-1023px tablet portrait
   1024-1279px tablet landscape / small laptop
   1280-1535px laptop / desktop
   1536-2559px large desktop / 1080p+
   2560px+     4K TV / large display
   ============================================================ */

/* 4K / large TV */
@media (min-width: 2560px) {
    html { font-size: 20px; }

    .container { max-width: 1600px; }

    .navbar {
        height: 70px;
        padding: 0 60px;
    }

    .navbar .logo img { height: 48px; }

    .hero { padding: 100px 60px; }

    .tool-grid {
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    }

    .screenshots {
        gap: 20px;
    }
}

/* large desktop 1536–2559 */
@media (min-width: 1536px) and (max-width: 2559px) {
    .container { max-width: 1200px; }
}

/* tablet portrait — collapse guide sidebar */
@media (max-width: 767px) {
    .nav-toggle { display: block; }

    .nav-links {
        display: none;
        position: fixed;
        top: 50px;
        left: 0;
        right: 0;
        background-color: #111111;
        border-bottom: 2px solid #cc0000;
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 0;
        z-index: 999;
    }

    .nav-links.open { display: flex; }

    .nav-links a {
        margin: 0;
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
        border-bottom: 1px solid #222222;
        border-left: 3px solid transparent;
    }

    .nav-links a.active,
    .nav-links a:hover {
        background-color: #1a1a1a;
        border-bottom: 1px solid #222222;
        border-left-color: #cc0000;
        padding-left: 17px;
    }

    .guide-layout { flex-direction: column; }
    .guide-toc { width: 100%; position: static; }

    .screenshots { grid-template-columns: repeat(2, 1fr); }

    .btn, .btn-outline {
        display: block;
        width: 100%;
        text-align: center;
        margin-right: 0;
    }
}

/* phone portrait */
@media (max-width: 599px) {
    html { font-size: 13px; }

    .hero h1 { font-size: 26px; }

    .screenshots { grid-template-columns: 1fr; }
    .comm-grid   { grid-template-columns: 1fr; }
    .tool-grid   { grid-template-columns: 1fr; }

    .terminal { font-size: 11px; padding: 10px; }
}

/* very small phone */
@media (max-width: 399px) {
    html { font-size: 12px; }

    .navbar { height: 44px; }
    .hero   { margin-top: 44px; padding: 18px 10px; }
    .hero h1 { font-size: 20px; letter-spacing: 1px; }
    .hero h2 { font-size: 11px; }

    .container  { padding: 10px 8px; }
    .panel-body { padding: 10px; }
    .terminal   { font-size: 10px; padding: 8px; }

    footer { font-size: 10px; }
}

/* smartwatch (~200-249px) */
@media (max-width: 249px) {
    html { font-size: 10px; }

    .navbar { height: 36px; padding: 0 6px; }
    .navbar .logo img { height: 20px; }
    .nav-toggle { font-size: 13px; padding: 2px 6px; }

    .hero { margin-top: 36px; padding: 12px 6px; }
    .hero h1 { font-size: 15px; letter-spacing: 0; }
    .hero h2 { font-size: 9px; }

    .container { padding: 7px 5px; }

    .panel-heading { padding: 5px 7px; font-size: 10px; }
    .panel-body    { padding: 7px; font-size: 10px; }

    .screenshots { grid-template-columns: 1fr; gap: 4px; }
    .comm-grid   { grid-template-columns: 1fr; }
    .tool-grid   { grid-template-columns: 1fr; }

    .terminal { font-size: 9px; padding: 6px; line-height: 1.6; }

    .btn, .btn-outline {
        display: block;
        width: 100%;
        text-align: center;
        margin-right: 0;
        font-size: 10px;
        padding: 5px 8px;
    }

    .tool-cats button { font-size: 9px; padding: 2px 5px; }

    table { font-size: 9px; }
    table td, table th { padding: 3px 5px; }

    footer { font-size: 9px; padding: 8px 5px; }
    footer a { margin: 0 3px; }

    .guide-layout { flex-direction: column; }
    .guide-toc { width: 100%; position: static; }
}

/* touch devices — larger tap targets */
@media (hover: none) and (pointer: coarse) {
    .nav-links a     { padding-top: 12px; padding-bottom: 12px; }
    .btn, .btn-outline { padding-top: 10px; padding-bottom: 10px; }
    .tool-cats button  { padding: 7px 12px; }
    .crypto-addr       { padding: 12px; }
    .faq-q             { padding: 4px 0; }
}

/* print */
@media print {
    .navbar, .nav-toggle, footer { display: none; }

    body { background: #ffffff; color: #000000; font-size: 11pt; }

    .hero { margin-top: 0; background: #ffffff; border: none; }
    .hero h1 { color: #000000; }
    .hero h1 span, .page-header h1 { color: #cc0000; }

    .panel { border: 1px solid #cccccc; background: #ffffff; }
    .panel-heading { background: #eeeeee; color: #000000; }
    .panel-body, .guide-content p, .faq-a, .news-body { color: #222222; }

    a { color: #cc0000; text-decoration: none; }

    .terminal {
        background: #f5f5f5;
        border: 1px solid #cccccc;
        color: #333333;
    }
    .terminal .prompt { color: #cc0000; }
    .terminal .cmd    { color: #000000; }
    .terminal .ok     { color: #006600; }
    .terminal .cmt    { color: #888888; }
}