/* SSH 密钥生成工具样式 */

:root {
    --primary-color: #6b7280;
    --primary-hover: #9ca3af;
    --primary-light: rgba(107, 114, 128, 0.08);
    --primary-light-hover: rgba(107, 114, 128, 0.12);
    --border-color-hover: rgba(107, 114, 128, 0.2);
    --shadow-primary: 0 0 16px rgba(107, 114, 128, 0.15);
}

html, body { height: 100%; overflow-y: auto; overflow-x: hidden; margin: 0; }
body { display: flex; align-items: flex-start; justify-content: center; padding-top: 70px; padding-bottom: 70px; min-height: 100vh; }
.logo-icon { background: linear-gradient(135deg, var(--primary-color) 0%, #374151 100%); }
.main-content { width: 100%; max-width: 900px; padding: 20px; z-index: 10; }
.tool-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.3); }

.settings-bar { display: flex; gap: 16px; padding: 16px; border-bottom: 1px solid var(--border-color); background: rgba(0,0,0,0.15); align-items: flex-end; flex-wrap: wrap; }
.setting-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.select, .input-field {
    padding: 6px 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); color: var(--text-primary); font-size: 13px; outline: none;
}
.select:focus, .input-field:focus { border-color: var(--primary-color); }

.btn-action {
    padding: 8px 20px; border-radius: var(--radius-md); border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05); color: var(--text-secondary); cursor: pointer; font-size: 13px;
    display: flex; align-items: center; gap: 6px; transition: 0.2s;
}
.btn-action:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-generate { background: rgba(107, 114, 128, 0.2); border-color: rgba(107, 114, 128, 0.3); color: #d1d5db; }
.btn-generate:hover { background: rgba(107, 114, 128, 0.3); }

.keys-container { display: flex; min-height: 250px; }
.key-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--border-color); }
.key-panel:last-child { border-right: none; }
.panel-header {
    padding: 8px 16px; font-size: 12px; font-weight: 600; color: var(--text-muted);
    background: rgba(255,255,255,0.02); border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.btn-copy-small, .btn-download-small {
    margin-left: auto; background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px 8px; font-size: 12px; transition: 0.2s;
}
.btn-copy-small:hover, .btn-download-small:hover { color: var(--primary-color); }
textarea {
    flex: 1; padding: 16px; background: transparent; border: none; outline: none; resize: none;
    font-family: var(--font-mono); font-size: 11px; line-height: 1.5; color: var(--text-primary); overflow: auto; min-height: 200px;
}
#publicKey { background: rgba(0,0,0,0.05); }
#privateKey { background: rgba(0,0,0,0.1); }

.usage-section { margin: 0 16px 16px; border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; }
.usage-section .card-header { padding: 10px 14px; background: rgba(0,0,0,0.15); border-bottom: 1px solid var(--border-color); }
.usage-section .card-header h3 { font-size: 13px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.usage-section .card-header h3 i { color: var(--primary-color); }
.usage-section .card-body { padding: 14px; }
.code-window { background: rgba(0,0,0,0.2); border-radius: var(--radius-md); }
.code-body { padding: 14px; }
.code-body pre { margin: 0; font-size: 13px; color: var(--text-primary); line-height: 1.6; }
.code-body code { font-family: var(--font-mono); }

@media (max-width: 768px) { .keys-container { flex-direction: column; } .key-panel { border-right: none; border-bottom: 1px solid var(--border-color); } }
@media (max-width: 480px) { .main-content { padding: 10px; } .settings-bar { flex-direction: column; } }