/* coupler.css — Random Coupler 인터랙티브 터미널 (Eureka-style) */

/* ── Design tokens ── */
.coupler-page {
    --c-bg:       #f4f6f8;          /* 밝은 회청색 배경 */
    --c-hdr:      #1e2a3a;          /* dark navy 헤더 */
    --c-hdr-sub:  #253447;
    --c-green:    #6db33f;          /* Spring green */
    --c-green-d:  #5a9432;
    --c-text:     #2c3e50;
    --c-muted:    #6c757d;
    --c-border:   #d0d7de;
}

.coupler-page {
    padding-top: var(--nav-h, 64px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--c-bg);
    color: var(--c-text);
}

/* ── Header (dark navy bar, Eureka-like) ── */
.coupler-header {
    background: var(--c-hdr);
    border-bottom: 3px solid var(--c-green);
    padding: 12px 40px;
    flex-shrink: 0;
}
.coupler-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.coupler-badge {
    display: inline-block;
    background: var(--c-green);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 3px;
    margin-bottom: 5px;
    letter-spacing: .06em;
}
.coupler-title {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    font-family: 'Courier New', monospace;
    letter-spacing: .01em;
}
.coupler-header-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    align-items: center;
}
.coupler-restart-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid rgba(109,179,63,.5);
    border-radius: 4px;
    color: var(--c-green);
    font-size: .8rem;
    cursor: pointer;
    transition: all .18s;
}
.coupler-restart-btn:hover {
    background: var(--c-green);
    border-color: var(--c-green);
    color: #fff;
}
.coupler-gh-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 4px;
    color: rgba(255,255,255,.75);
    text-decoration: none;
    font-size: .8rem;
    transition: all .18s;
}
.coupler-gh-link:hover {
    background: rgba(255,255,255,.1);
    color: #fff;
    border-color: rgba(255,255,255,.5);
}

/* ── Terminal wrapper ──
   flex: 0 0 auto → 내용만큼만, footer 간격 = top과 동일 */
.coupler-terminal-wrap {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 40px 24px;
    box-sizing: border-box;
}

/* ── Title bar (터미널 — 그대로) ── */
.coupler-console-bar {
    background: #2a2a2a;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255,255,255,.1);
    border-bottom: 1px solid rgba(255,255,255,.06);
    border-radius: 10px 10px 0 0;
    flex-shrink: 0;
}
.console-dot { width: 12px; height: 12px; border-radius: 50%; }
.console-dot.red    { background: #ff5f57; }
.console-dot.yellow { background: #febc2e; }
.console-dot.green  { background: #28c840; }
.console-title {
    margin-left: 8px;
    font-family: monospace;
    font-size: .75rem;
    color: rgba(255,255,255,.5);
}
.console-status {
    margin-left: auto;
    font-family: monospace;
    font-size: .72rem;
    color: rgba(255,255,255,.4);
}
.console-status.running { color: #febc2e; }
.console-status.done    { color: #28c840; }
.console-status.error   { color: #ff5f57; }

/* ── Output area (터미널 — 그대로) ── */
.coupler-console {
    background: #0d0d0d;
    flex: 1;
    padding: 16px 24px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;          /* 0.88rem → 1rem */
    line-height: 1.15;         /* 1.15 → 1.6 */
    overflow-y: auto;
    min-height: 520px;        /* 320px → 520px */
    max-height: calc(100vh - 240px);  /* 320px → 240px (더 넓게) */
    word-break: break-all;
    border-left: 1px solid rgba(255,255,255,.15);
    border-right: 1px solid rgba(255,255,255,.15);
}
.coupler-console .cl-line {
    white-space: pre-wrap;
    margin: 0;
    padding: 0;
    min-height: 0;
    color: #d4d4d4;            /* 기본 텍스트 밝기 강화 */
}
.coupler-console .cl-line:empty { min-height: 0.18em; }
.coupler-console .cl-echo  { color: #7ec8e3; font-weight: 500; }
.coupler-console .cl-error { color: #ff6b6b; font-weight: 600; }

/* ── stdin input bar (터미널 — 그대로) ── */
.coupler-input-bar {
    background: #1a1a1a;      /* 살짝 밝게 */
    border: 1px solid rgba(255,255,255,.18);
    border-top: 2px solid var(--c-green);  /* 상단 강조선 */
    border-radius: 0 0 10px 10px;
    padding: 12px 20px;       /* 10px 16px → 12px 20px */
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    transition: opacity .2s;
}
.input-prompt {
    color: #3dd65a;            /* 더 선명한 녹색 */
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;           /* 0.9rem → 1rem */
    font-weight: 700;
    user-select: none;
    flex-shrink: 0;
    text-shadow: 0 0 6px rgba(61,214,90,.5);  /* 글로우 효과 */
}
.console-input-field {
    flex: 1;
    background: transparent;
    border: none;
    color: #f0f0f0;            /* #e8e8e8 → #f0f0f0 */
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;           /* 0.88rem → 1rem */
    outline: none;
    caret-color: #3dd65a;
    min-width: 0;
    letter-spacing: .02em;
}
.console-input-field::placeholder { color: rgba(255,255,255,.35); }  /* 살짝 밝게 */
.input-send-btn {
    background: rgba(109,179,63,.15);   /* 배경 강조 */
    border: 1px solid rgba(109,179,63,.4);
    color: #7ec86a;                     /* 더 밝은 초록 */
    border-radius: 4px;
    padding: 6px 16px;
    cursor: pointer;
    font-size: .9rem;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 600;
    flex-shrink: 0;
    transition: all .2s;
}
.input-send-btn:hover {
    background: var(--c-green);
    border-color: var(--c-green);
    color: #fff;
}

/* ── Responsive ── */
@media(max-width:900px) {
    .coupler-header { padding: 10px 20px; }
    .coupler-header-inner { flex-direction: row; align-items: center; gap: 10px; }
    .coupler-terminal-wrap { padding: 16px 20px 16px; }
    .coupler-console {
        min-height: 400px;
        max-height: calc(100vh - 220px);
        font-size: .95rem;
    }
}