.header {
    background: rgba(var(--rgb-ink), 0.85);
    border-bottom: 1px solid rgba(var(--rgb-overlay), 0.08);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.header-title {
    font-size: 24px;
    font-weight: var(--w-heavy);   /* [20260923] 900 → 700. 대표님 "굵은 게 좋아 보이니 나는 잘 모르게" - 큰 글자에 가장 굵은 굵기는 화면과 다툰다 */
    background: linear-gradient(135deg, var(--c-blue-3) 0%, var(--c-purple-1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    cursor: pointer;
    user-select: none;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: var(--w-strong);
    transition: all 0.3s ease;
}

.header-status #office-links > a,
.header-status #user-info-badge,
.header-status #tunnel-container,
.header-status .status-badge.idle,
.header-status #btn-header-trash,
.header-status #tunnel-copy-btn {
    background: transparent !important;
    border: 1px solid var(--c-line-soft) !important;
    box-shadow: none !important;
    color: var(--c-text-calm) !important;
}
.header-status #user-info-badge > span,
.header-status #tunnel-container > span,
.header-status #office-links > a { color: var(--c-text-calm) !important; font-weight: var(--w-normal) !important; }
.header-status #btn-header-logout { background: transparent !important; border: 1px solid var(--c-line-soft) !important; color: var(--c-red) !important; }

.status-badge.idle {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(107, 114, 128, 0.25);
}

.status-badge.running {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(245, 158, 11, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}

.status-badge.done {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(245, 158, 11, 0.2); }
    50% { box-shadow: 0 0 15px rgba(245, 158, 11, 0.45); }
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.idle { background: var(--text-muted); }
.status-dot.running { background: var(--accent-yellow); animation: blink 1s infinite; }
.status-dot.done { background: var(--accent-green); }
.status-dot.error { background: var(--accent-red); }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.main-container {
    display: block; /* 그리드를 해제하여 본문이 가로 전체를 100% 쓰도록 개선 */
    min-height: calc(100vh - 67px);
    position: relative;
}

.sidebar {
    position: fixed;
    top: 85px;
    left: 20px;
    width: 330px;
    height: calc(100vh - 120px);
    background: var(--s-card-2);
    border: 1px solid rgba(var(--rgb-overlay), 0.08);
    border-radius: var(--radius-lg);
    padding: 24px 18px;
    overflow-y: auto;
    z-index: 995;
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.3s ease;
    opacity: 1;
    transform: translateX(0);
}

.sidebar.collapsed {
    transform: translateX(-360px); /* 원래 너비 + 30px gap */
    opacity: 0;
    pointer-events: none;
}

.settlement-grid {
    display: grid;
    grid-template-columns:
        minmax(0, var(--settle-입력칸, 1fr))
        minmax(0, var(--settle-결과칸, 1fr));
    gap: 24px;
    align-items: start;
}

.sidebar-section {
    margin-bottom: 28px;
}

.sidebar-section-title {
    font-size: 11.5px;
    font-weight: var(--w-heavy);
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--text-muted);
    margin-bottom: 14px;
    padding-left: 2px;
}

.btn {
    width: 100%;
    padding: 12px 18px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    background: rgba(var(--rgb-overlay), 0.03);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: var(--w-strong);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    text-align: left;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(var(--rgb-overlay), 0.08),
        transparent
    );
    transition: 0.5s;
}

.btn:hover:not(:disabled)::after {
    left: 100%;
}

.btn:hover:not(:disabled) {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.18);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled, button:disabled {
    opacity: 1 !important;
    background: transparent !important;
    color: var(--c-text-mute) !important;
    border: 1px solid var(--line-2) !important;
    box-shadow: none !important;
    transform: none !important;
    cursor: not-allowed !important;
}

.btn.primary {
    background: var(--gradient-primary);
    border: 1px solid rgba(var(--rgb-overlay), 0.15);
    color: white;
    font-weight: var(--w-heavy);
    padding: 14px 20px;
    font-size: 14px;
    box-shadow: var(--shadow-glow-primary);
}

.btn.primary:hover:not(:disabled) {
    background: var(--gradient-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.45);
}

.btn.success {
    background: var(--gradient-success);
    border: 1px solid rgba(var(--rgb-overlay), 0.15);
    color: white;
    font-weight: var(--w-heavy);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn.success:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.45);
}

.btn.danger {
    background: var(--gradient-danger);
    border: 1px solid rgba(var(--rgb-overlay), 0.15);
    color: white;
    font-weight: var(--w-heavy);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.25);
}

.btn.danger:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.45);
}

.btn.compact {
    width: auto;
    display: inline-flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 0;
    padding: 4px 10px;
    font-size: 12px;
    text-align: center;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.btn.compact::after { display: none; }
.btn.compact:hover:not(:disabled) { transform: none; box-shadow: none; }
.btn-bare { background: transparent; cursor: pointer; }
.btn-bare.tone-line { border: 1px solid var(--line-2); color: var(--c-white); border-radius: 6px; }
.btn-bare.tone-danger { border: 1px solid var(--c-red-soft); color: var(--c-red-soft); border-radius: 6px; }
.btn-bare:hover:not(:disabled) { background: var(--s-hover); }

.btn-divider {
    height: 1px;
    background: var(--border-glass);
    margin: 18px 0;
}

.content {
    padding: 28px 36px;
    overflow-y: auto;
    max-height: calc(100vh - 67px);
}


.card:hover {
    border-color: rgba(var(--rgb-overlay), 0.1);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 17px;
    font-weight: var(--w-heavy);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--c-white);
}

.terminal {
    background: var(--s-app-2);
    border: 1px solid rgba(var(--rgb-overlay), 0.05);
    border-radius: var(--radius-md);
    padding: 22px;
    font-family: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
    font-size: 13px;
    line-height: 1.75;
    color: var(--c-green); /* Premium terminal green */
    min-height: 500px;
    max-height: calc(100vh - 220px);
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    position: relative;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.8);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #FF5F57; }
.terminal-dot.yellow { background: #FFBD2E; }
.terminal-dot.green { background: #28C840; }

.terminal-title {
    font-size: 12.5px;
    color: var(--text-secondary);
    font-family: inherit;
    font-weight: var(--w-medium);
}

.status-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.status-card.idle {
    background: rgba(107, 114, 128, 0.08);
    border: 1px solid rgba(107, 114, 128, 0.15);
}

.status-card.running {
    background: rgba(245, 158, 11, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.2);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.05);
}

.status-card.done {
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.05);
}

.status-card.error {
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.05);
}

.status-card-info {
    flex: 1;
}

.status-card-label {
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: var(--w-strong);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.status-card-value {
    font-size: 15.5px;
    font-weight: var(--w-heavy);
    margin-top: 3px;
    color: var(--c-white);
}