/* RSA 密钥生成工具样式 */

:root {
    --primary-color: #6366f1;
    --primary-hover: #818cf8;
    --primary-light: rgba(99, 102, 241, 0.08);
    --primary-light-hover: rgba(99, 102, 241, 0.12);
    --border-color-hover: rgba(99, 102, 241, 0.2);
    --shadow-primary: 0 0 16px rgba(99, 102, 241, 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%, #3b3d9e 100%);
}

.main-content {
    width: 100%;
    max-width: 900px;
    min-height: calc(100vh - 140px);
    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;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.15);
    align-items: flex-end;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.select {
    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;
    cursor: pointer;
}
.select: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(99, 102, 241, 0.2); border-color: rgba(99, 102, 241, 0.3); color: #818cf8; }
.btn-generate:hover { background: rgba(99, 102, 241, 0.3); }

.keys-container {
    display: flex;
    min-height: 350px;
}

.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); }
.btn-download-small { margin-left: 0; }

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: 300px;
}
textarea::placeholder { color: var(--text-muted); }

#publicKey { background: rgba(0,0,0,0.05); }
#privateKey { background: rgba(0,0,0,0.1); }

.status-bar {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: rgba(0,0,0,0.15);
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.spinner { color: var(--primary-color); }
.spinner.hidden { display: none; }

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

@media (max-width: 480px) {
    .main-content { padding: 10px; }
}