/* ============================================================
   SOFTLAKE // GREEN CRT TERMINAL THEME
   ธีมคอมพิวเตอร์จอเขียว - ใช้ร่วมกันทุกหน้า
   ============================================================ */

:root {
    --bg:        #020a02;
    --bg-panel:  #041004;
    --green:     #38ff6a;
    --green-mid: #21c94b;
    --green-dim: #128a30;
    --green-fade:#0c5c20;
    --amber:     #ffcb45;   /* ใช้เตือน */
    --red:       #ff5f56;   /* ใช้ error */
    --glow:      rgba(56, 255, 106, 0.55);
    --glow-soft: rgba(56, 255, 106, 0.22);
    --scan:      rgba(0, 0, 0, 0.28);
    --mono: "Share Tech Mono", "VT323", "IBM Plex Mono", "Cascadia Code",
            "Consolas", ui-monospace, "Courier New", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--green);
    font-family: var(--mono);
    font-size: 17px;
    line-height: 1.55;
    min-height: 100vh;
    letter-spacing: 0.02em;
    text-shadow: 0 0 4px var(--glow-soft);
    overflow-x: hidden;
    -webkit-font-smoothing: none;
}

/* ---- พื้นหลังเรืองแสง + vignette จอโค้ง ---- */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background:
        radial-gradient(ellipse at center,
            rgba(56,255,106,0.06) 0%,
            rgba(2,10,2,0.0) 45%,
            rgba(0,0,0,0.55) 100%);
}

/* ============================================================
   CRT OVERLAY : scanlines + flicker
   ============================================================ */
.crt-overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
}
/* เส้น scanline แนวนอน */
.crt-overlay::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0,0,0,0)   0px,
        rgba(0,0,0,0)   2px,
        var(--scan)     3px,
        var(--scan)     3px
    );
    background-size: 100% 4px;
    opacity: 0.6;
    animation: scanroll 8s linear infinite;
}
/* แสงกระพริบจอ + เส้นสว่างวิ่งลง */
.crt-overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        rgba(56,255,106,0.0) 0%,
        rgba(56,255,106,0.03) 50%,
        rgba(56,255,106,0.0) 100%);
    background-size: 100% 220px;
    animation: sweep 6s linear infinite, flicker 0.15s steps(2) infinite;
}

@keyframes scanroll  { from { background-position: 0 0; } to { background-position: 0 100vh; } }
@keyframes sweep     { from { background-position: 0 -220px; } to { background-position: 0 100vh; } }
@keyframes flicker   { 0% { opacity: 0.94; } 50% { opacity: 1; } 100% { opacity: 0.96; } }

@media (prefers-reduced-motion: reduce) {
    .crt-overlay::before,
    .crt-overlay::after { animation: none; }
}

/* ============================================================
   โครงหน้า
   ============================================================ */
.crt-screen {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: clamp(14px, 3vw, 34px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---- แถบบนสุด ---- */
.term-topbar {
    border: 1px solid var(--green-dim);
    padding: 10px 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(var(--bg-panel), var(--bg));
    box-shadow: 0 0 14px rgba(56,255,106,0.10) inset;
}
.term-topbar .brand {
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--green);
    text-shadow: 0 0 8px var(--glow);
}
.term-topbar .brand b { color: #eafff0; }
.term-topbar .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 0.8em;
    color: var(--green-mid);
}
.term-topbar .dot {
    color: var(--green);
    animation: blink 1.2s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0.15; } }

/* ---- หัวเรื่องหน้า ---- */
.term-head {
    margin: clamp(18px, 4vw, 34px) 0 8px;
}
.term-head .prompt { color: var(--green-dim); }
.term-head h1 {
    display: inline;
    font-size: clamp(1.4rem, 5vw, 2.3rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-shadow: 0 0 12px var(--glow);
    text-transform: uppercase;
}
.term-head .tagline {
    margin-top: 10px;
    color: var(--green-mid);
    font-size: 0.95em;
    min-height: 1.4em;
}

/* ---- Solaris-style login + search ---- */
.term-head .uname {
    font-size: 0.82em;
    color: var(--green-dim);
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.term-head .login-line {
    color: var(--green-mid);
    margin-bottom: 14px;
}
.search-line {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--green-dim);
    background: #010801;
    padding: 4px 12px;
    box-shadow: 0 0 14px rgba(56,255,106,0.08) inset;
}
.search-line:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 14px rgba(56,255,106,0.30);
}
.search-line .prompt {
    color: var(--green);
    white-space: nowrap;
    text-shadow: 0 0 8px var(--glow);
}
.search-line input {
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 8px 0;
    flex: 1;
}
.search-line input:focus {
    border: none;
    box-shadow: none;
}

/* เคอร์เซอร์กระพริบ */
.cursor {
    display: inline-block;
    width: 0.6em;
    height: 1.05em;
    background: var(--green);
    box-shadow: 0 0 8px var(--glow);
    vertical-align: -0.15em;
    margin-left: 2px;
    animation: blink 1s steps(2) infinite;
}

/* ---- กล่อง/หน้าต่างสไตล์เทอร์มินัล ---- */
.panel {
    position: relative;
    border: 1px solid var(--green-dim);
    background: var(--bg-panel);
    padding: 26px 22px 24px;
    margin: 28px 0;
    box-shadow: 0 0 20px rgba(56,255,106,0.08),
                0 0 0 1px rgba(56,255,106,0.05) inset;
}
.panel::before {
    content: attr(data-title);
    position: absolute;
    top: -0.75em;
    left: 16px;
    padding: 0 10px;
    background: var(--bg);
    color: var(--green);
    font-size: 0.82em;
    letter-spacing: 0.14em;
    text-shadow: 0 0 8px var(--glow);
}

/* มุมตกแต่ง : จุดกลม 3 จุด (ยิงเงาไปทางซ้ายเพื่อให้อยู่ในกรอบ) */
.panel::after {
    content: "";
    position: absolute;
    right: 14px;
    top: 10px;
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--glow), -14px 0 0 var(--green-fade), -28px 0 0 var(--green-fade);
    opacity: 0.8;
}

.section-label {
    color: var(--green-mid);
    font-size: 0.82em;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
}
.section-label::before { content: ">> "; color: var(--green-dim); }

.muted   { color: var(--green-dim); }
.mono    { font-family: var(--mono); }
.break   { word-break: break-all; }

/* ============================================================
   ฟอร์ม / อินพุต
   ============================================================ */
label { display: block; }

textarea, input[type="text"], select {
    width: 100%;
    background: #010801;
    color: var(--green);
    border: 1px solid var(--green-dim);
    font-family: var(--mono);
    font-size: 1em;
    padding: 12px 14px;
    outline: none;
    caret-color: var(--green);
    text-shadow: 0 0 4px var(--glow-soft);
    transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { resize: vertical; line-height: 1.5; }
textarea::placeholder, input::placeholder { color: var(--green-fade); }

textarea:focus, input[type="text"]:focus, select:focus {
    border-color: var(--green);
    box-shadow: 0 0 12px rgba(56,255,106,0.35);
}
select { cursor: pointer; appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--green) 50%),
                      linear-gradient(135deg, var(--green) 50%, transparent 50%);
    background-position: calc(100% - 18px) center, calc(100% - 12px) center;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 34px;
}
select option { background: #010801; color: var(--green); }

/* ---- ปุ่ม ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--green);
    border: 1px solid var(--green);
    font-family: var(--mono);
    font-size: 0.95em;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 11px 20px;
    cursor: pointer;
    text-decoration: none;
    text-shadow: 0 0 6px var(--glow-soft);
    transition: all 0.14s;
}
.btn::before { content: "["; opacity: 0.6; }
.btn::after  { content: "]"; opacity: 0.6; }
.btn:hover, .btn:focus-visible {
    background: var(--green);
    color: #021002;
    text-shadow: none;
    box-shadow: 0 0 16px var(--glow);
    outline: none;
}
.btn:active { transform: translateY(1px); }
.btn.ghost { border-color: var(--green-dim); color: var(--green-mid); }
.btn.ghost:hover { background: var(--green-dim); color: #021002; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0; }

/* ---- range slider ---- */
input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 100%; height: 4px; background: var(--green-fade);
    outline: none; cursor: pointer; margin: 10px 0;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 16px; height: 22px; background: var(--green);
    box-shadow: 0 0 10px var(--glow); cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
    width: 16px; height: 22px; border: none; border-radius: 0;
    background: var(--green); box-shadow: 0 0 10px var(--glow); cursor: pointer;
}

/* ---- checkbox แบบ [x] ---- */
.chk {
    display: inline-flex; align-items: center; gap: 8px;
    cursor: pointer; user-select: none; padding: 8px 10px;
    border: 1px solid transparent; transition: all 0.14s;
}
.chk:hover { border-color: var(--green-dim); }
.chk input { display: none; }
.chk .box::before { content: "[ ]"; color: var(--green-dim); }
.chk input:checked + .box::before { content: "[x]"; color: var(--green); text-shadow: 0 0 8px var(--glow); }
.chk.selected { border-color: var(--green-dim); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }

/* ============================================================
   กล่องข้อความ/สถานะ
   ============================================================ */
.msg {
    border: 1px solid var(--green-dim);
    border-left-width: 4px;
    padding: 12px 16px;
    margin: 16px 0;
    font-size: 0.92em;
    background: rgba(56,255,106,0.05);
}
.msg::before { font-weight: 700; margin-right: 8px; }
.msg.ok      { border-color: var(--green);  color: var(--green); }
.msg.ok::before      { content: "[ OK ]"; }
.msg.info    { border-color: var(--green-mid); color: var(--green-mid); }
.msg.info::before    { content: "[ .. ]"; }
.msg.warn    { border-color: var(--amber); color: var(--amber); text-shadow: 0 0 4px rgba(255,203,69,0.3); }
.msg.warn::before    { content: "[ ! ]"; }
.msg.err     { border-color: var(--red);   color: var(--red); text-shadow: 0 0 4px rgba(255,95,86,0.3); }
.msg.err::before     { content: "[ X ]"; }

/* กล่องผลลัพธ์แบบ readout */
.readout {
    border: 1px dashed var(--green-dim);
    padding: 16px;
    background: #010801;
    word-break: break-all;
    line-height: 1.6;
}

/* ตารางข้อมูล key/value */
.kv { list-style: none; }
.kv li {
    display: flex; flex-wrap: wrap; gap: 6px 14px;
    padding: 9px 0; border-bottom: 1px dashed var(--green-fade);
}
.kv li:last-child { border-bottom: none; }
.kv .k { color: var(--green-mid); min-width: 190px; }
.kv .k::before { content: "· "; color: var(--green-dim); }
.kv .v { color: var(--green); font-weight: 700; flex: 1; word-break: break-all; }

.list-plain { list-style: none; }
.list-plain li { padding: 5px 0; border-bottom: 1px dashed var(--green-fade); }
.list-plain li::before { content: "› "; color: var(--green-dim); }

a { color: var(--green); text-decoration: none; border-bottom: 1px dotted var(--green-dim); }
a:hover { text-shadow: 0 0 8px var(--glow); border-bottom-color: var(--green); }

.badge {
    display: inline-block; border: 1px solid var(--green-dim);
    padding: 1px 8px; font-size: 0.78em; letter-spacing: 0.08em;
    color: var(--green-mid);
}
.badge.hi  { border-color: var(--green); color: var(--green); }
.badge.mid { border-color: var(--amber); color: var(--amber); }
.badge.lo  { border-color: var(--red); color: var(--red); }

/* ============================================================
   เมนูหน้าหลัก
   ============================================================ */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0;
}
.menu-item {
    position: relative;
    display: block;
    border: 1px solid var(--green-dim);
    padding: 20px 20px 18px;
    background: var(--bg-panel);
    color: var(--green);
    text-decoration: none;
    border-bottom-width: 1px;
    transition: all 0.16s;
    overflow: hidden;
}
.menu-item .num {
    color: var(--green-dim); font-size: 0.85em; letter-spacing: 0.1em;
}
.menu-item h3 {
    font-size: 1.15rem; letter-spacing: 0.06em; text-transform: uppercase;
    margin: 6px 0 8px; text-shadow: 0 0 8px var(--glow-soft);
}
.menu-item p { color: var(--green-mid); font-size: 0.86em; min-height: 2.6em; }
.menu-item .run {
    margin-top: 12px; color: var(--green-dim); font-size: 0.85em;
    letter-spacing: 0.1em;
}
.menu-item:hover, .menu-item:focus-visible {
    border-color: var(--green);
    box-shadow: 0 0 22px rgba(56,255,106,0.22);
    outline: none;
    transform: translateY(-2px);
}
.menu-item:hover .run::after,
.menu-item:focus-visible .run::after {
    content: " ◄ ENTER"; color: var(--green);
}
.menu-item::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0;
    width: 3px; background: var(--green-dim); transition: all 0.16s;
}
.menu-item:hover::before, .menu-item:focus-visible::before {
    background: var(--green); box-shadow: 0 0 12px var(--glow);
}

/* บรรทัดต้อนรับ/boot log */
.bootlog {
    font-size: 0.86em; color: var(--green-mid);
    border: 1px solid var(--green-fade);
    padding: 12px 16px; margin: 20px 0;
    background: rgba(56,255,106,0.03);
    white-space: pre-wrap;
    min-height: 3em;
}

/* ---- ลิงก์กลับเมนู ---- */
.backlink { display: inline-block; margin: 4px 0 0; font-size: 0.9em; }
.backlink::before { content: "‹ "; }

/* ============================================================
   Footer
   ============================================================ */
.term-footer {
    margin-top: auto;
    padding-top: 22px;
    border-top: 1px solid var(--green-fade);
    color: var(--green-dim);
    font-size: 0.78em;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    justify-content: space-between;
    align-items: center;
}

img { max-width: 100%; height: auto; }
iframe { width: 100%; border: 1px solid var(--green-dim); background: #010801; }

.hidden { display: none !important; }
.text-center { text-align: center; }
.mt { margin-top: 16px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 720px) {
    body { font-size: 15px; }
    .menu-grid { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .term-topbar { font-size: 0.9em; }
    .btn-row .btn { flex: 1; justify-content: center; }
    .kv .k { min-width: 100%; }
}

/* แถบเลื่อนสไตล์จอเขียว */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #010801; }
::-webkit-scrollbar-thumb { background: var(--green-fade); border: 1px solid var(--green-dim); }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

::selection { background: var(--green); color: #021002; text-shadow: none; }