.install-wrapper { width: 100%; max-width: 700px; }
.install-header { text-align: center; margin-bottom: var(--space-8); }
.install-header h1 { font-size: 28px; font-weight: 700; color: var(--color-primary); }
.install-header p { color: var(--color-text-muted); margin-top: var(--space-2); }
.progress-bar { display: flex; justify-content: space-between; margin-bottom: var(--space-8); position: relative; }
.progress-bar::before { content: ''; position: absolute; top: 18px; left: 10%; right: 10%; height: 2px; background: var(--color-border); z-index: 0; }
.progress-step { width: 36px; height: 36px; border-radius: 50%; background: var(--color-border); color: var(--color-text-muted); display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; position: relative; z-index: 1; transition: all 0.3s; }
.progress-step.active { background: var(--color-primary); color: white; }
.progress-step.done { background: var(--color-success); color: white; }
.install-step { display: none; }
.install-step.active { display: block; }
.btn-row { display: flex; justify-content: space-between; margin-top: var(--space-6); }
.collapsible { cursor: pointer; user-select: none; display: flex; justify-content: space-between; align-items: center; }
.collapsible::after { content: '+'; font-size: 20px; }
.collapsible.open::after { content: '-'; }
.collapse-body { display: none; margin-top: var(--space-3); }
.collapse-body.open { display: block; }
.install-log { background: #1e293b; color: #e2e8f0; padding: var(--space-4); border-radius: var(--radius-md); font-family: monospace; font-size: 13px; max-height: 300px; overflow-y: auto; }
.install-log .pending { color: #94a3b8; }
.install-log .done { color: #34d399; }
.install-log .error { color: #f87171; }