* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: none;
}

*::-webkit-scrollbar {
    display: none;
}

html, body, #app {
    height: 100dvh;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 8px;
    background: transparent;
    pointer-events: none;
}

.top-bar-link {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--c-font-secondary);
    font-size: 13px;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.top-bar-link:hover {
    color: var(--c-primary);
    background: var(--c-secondary);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--c-background);
    color: var(--c-font);
    -webkit-font-smoothing: antialiased;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 16px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--c-border);
    border-top-color: var(--c-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-text {
    color: var(--c-font-secondary);
    font-size: 14px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.api-keys-modal .modal-overlay,
.model-select-modal .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.api-keys-modal .modal-content,
.model-select-modal .modal-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 420px;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--c-block);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 24px 24px;
    z-index: 101;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.modal-header {
    text-align: center;
    margin-bottom: 16px;
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-font);
    margin-bottom: 6px;
}

.modal-subtitle {
    font-size: 10px;
    color: var(--c-font-secondary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--c-font);
    margin-bottom: 6px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-group input {
    width: 100%;
    padding: 10px 40px 10px 12px;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    background: var(--c-background);
    color: var(--c-font);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--c-primary);
}

.form-group input::placeholder {
    color: var(--c-font-secondary);
    opacity: 0.6;
}

.toggle-visibility {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 16px;
    opacity: 0.6;
}

.toggle-visibility:hover {
    opacity: 1;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--c-primary);
    color: var(--c-primary_font);
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--c-border);
    color: var(--c-font);
}

.btn-secondary:hover {
    background: var(--c-gray);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.model-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    text-align: left;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.btn-icon:hover {
    opacity: 1;
}

.model-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 320px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding-right: 4px;
}

.model-card {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    border: 1px solid var(--c-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--c-background);
    position: relative;
}

.model-card:hover {
    border-color: var(--c-primary);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.15);
}

.model-card.selected {
    border-color: var(--c-primary);
    background: rgba(124, 58, 237, 0.1);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}

.model-card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.model-card-row:first-child {
    margin-bottom: 4px;
}

.model-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-font);
}

.model-id {
    font-size: 10px;
    color: var(--c-font-secondary);
}

.model-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--c-primary);
    color: var(--c-primary_font);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.model-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.model-tag.builtin {
    background: rgba(124, 58, 237, 0.2);
    color: var(--c-purple);
}

.model-tag.custom {
    background: rgba(34, 197, 94, 0.2);
    color: var(--c-green);
}

.model-api-type {
    font-size: 9px;
    color: var(--c-font-secondary);
    text-transform: uppercase;
}