/**
 * FileName: assets/css/notebook.css
 * Version: 1.1.0
 * Written based on the version: 9.1.0
 * Purpose: Compact notebook styles — icon buttons, minimal toolbar,
 *          project-based editor without project switcher.
 *
 * Decision Log:
 *   - 1.1.0 NEW: Compact icon buttons.
 *   - 1.1.0 NEW: Minimal formatting toolbar.
 *   - 1.1.0 CHANGE: Removed large project switcher styles.
 *
 * Dependencies: tokens.css, core.css, workspace.css
 * Used By: assets/js/items/notebook/notebook.js
 * Owner: A-SUN Studio
 */

.a-sun-studio .astudio-notebook {
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 100%;
    min-height: 300px;
    font-size: 0.88rem;
}

.a-sun-studio .astudio-notebook * {
    box-sizing: border-box;
}

.a-sun-studio .astudio-notebook-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid color-mix(in srgb, var(--color-primary, #a46497) 30%, transparent);
    background: color-mix(in srgb, var(--color-primary, #a46497) 9%, transparent);
    border-radius: 0 7px 0 7px;
}

.a-sun-studio .astudio-notebook-banner p {
    margin: 0;
}

.a-sun-studio .astudio-notebook-banner-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 10px;
    border: 1px solid var(--color-primary, #a46497);
    color: var(--color-primary, #a46497);
    background: transparent;
    border-radius: 0 7px 0 7px;
    cursor: pointer;
    text-decoration: none;
    font: inherit;
}

.a-sun-studio .astudio-notebook-toolbar,
.a-sun-studio .astudio-notebook-formatbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 5px 6px;
    border: 1px solid var(--astudio-border, rgba(255, 255, 255, 0.09));
    background: color-mix(in srgb, var(--astudio-surface, rgba(255, 255, 255, 0.04)) 70%, transparent);
    backdrop-filter: blur(10px);
    border-radius: 0 7px 0 7px;
}

.a-sun-studio .astudio-notebook-toolbar {
    justify-content: flex-start;
}

.a-sun-studio .astudio-notebook-status {
    margin-inline-start: auto;
    font-size: 0.72rem;
    color: var(--astudio-muted, rgba(255, 255, 255, 0.62));
}

.a-sun-studio .astudio-notebook-icon-btn {
    width: 30px;
    height: 30px;
    min-width: 30px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    background: transparent;
    color: inherit;
    border-radius: 0 7px 0 7px;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
}

.a-sun-studio .astudio-notebook-icon-btn svg {
    width: 16px;
    height: 16px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.a-sun-studio .astudio-notebook-icon-btn:hover {
    border-color: color-mix(in srgb, var(--color-primary, #a46497) 55%, transparent);
    color: var(--color-primary, #a46497);
    background: color-mix(in srgb, var(--color-primary, #a46497) 9%, transparent);
}

.a-sun-studio .astudio-notebook-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 8px;
    flex: 1;
    min-height: 0;
}

.a-sun-studio .astudio-notebook-sidebar,
.a-sun-studio .astudio-notebook-editor {
    min-height: 0;
    border: 1px solid var(--astudio-border, rgba(255, 255, 255, 0.09));
    background: color-mix(in srgb, var(--astudio-surface, rgba(255, 255, 255, 0.04)) 65%, transparent);
    backdrop-filter: blur(10px);
    border-radius: 0 7px 0 7px;
}

.a-sun-studio .astudio-notebook-sidebar {
    overflow: auto;
    padding: 6px;
}

.a-sun-studio .astudio-notebook-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.a-sun-studio .astudio-notebook-empty {
    padding: 10px;
    color: var(--astudio-muted, rgba(255, 255, 255, 0.62));
    font-size: 0.8rem;
}

.a-sun-studio .astudio-notebook-list-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.a-sun-studio .astudio-notebook-list-item-btn {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-align: right;
    padding: 7px 8px;
    border: 1px solid transparent;
    background: rgba(0, 0, 0, 0.10);
    color: inherit;
    border-radius: 0 7px 0 7px;
    cursor: pointer;
    font: inherit;
}

.a-sun-studio .astudio-notebook-list-item.is-active .astudio-notebook-list-item-btn {
    border-color: color-mix(in srgb, var(--color-primary, #a46497) 55%, transparent);
    background: color-mix(in srgb, var(--color-primary, #a46497) 8%, rgba(0, 0, 0, 0.10));
}

.a-sun-studio .astudio-notebook-list-item-btn strong {
    font-size: 0.82rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.a-sun-studio .astudio-notebook-list-item-btn span {
    font-size: 0.72rem;
    color: var(--astudio-muted, rgba(255, 255, 255, 0.62));
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.a-sun-studio .astudio-notebook-editor {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
}

.a-sun-studio .astudio-notebook-title,
.a-sun-studio .astudio-notebook-content {
    width: 100%;
    color: inherit;
    background: rgba(0, 0, 0, 0.14);
    border: 1px solid var(--astudio-border, rgba(255, 255, 255, 0.09));
    border-radius: 0 7px 0 7px;
    padding: 8px 9px;
    font: inherit;
}

.a-sun-studio .astudio-notebook-title {
    font-weight: 700;
}

.a-sun-studio .astudio-notebook-content {
    flex: 1;
    min-height: 220px;
    resize: vertical;
    line-height: 1.9;
    white-space: pre-wrap;
}

@media (max-width: 820px) {
    .a-sun-studio .astudio-notebook-layout {
        grid-template-columns: 1fr;
    }

    .a-sun-studio .astudio-notebook-sidebar {
        max-height: 180px;
    }
}