@font-face {
    font-family: 'Lato';
    src: url('../fonts/Lato-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg-color: #ffffff;
    --text-color: rgb(51, 51, 51);
    --text-light: rgb(230, 230, 230);
    --nav-text: #808080;
    --nav-text-hover: #000000;
    --placeholder-color: rgba(128, 128, 128, 0.5);
    --sidebar-bg: #ffffff;
    --entry-hover-bg: rgba(128, 128, 128, 0.05);
    --entry-selected-bg: rgba(128, 128, 128, 0.1);
    --separator-color: #808080;
    --delete-color: #ff0000;
    --popover-bg: #f5f5f5;
    --popover-text: #000000;
}

[data-theme="dark"] {
    --bg-color: #000000;
    --text-color: rgb(230, 230, 230);
    --nav-text: rgba(128, 128, 128, 0.8);
    --nav-text-hover: #ffffff;
    --placeholder-color: rgba(128, 128, 128, 0.6);
    --sidebar-bg: #000000;
    --entry-hover-bg: rgba(128, 128, 128, 0.05);
    --entry-selected-bg: rgba(128, 128, 128, 0.1);
    --popover-bg: #2d2d2d;
    --popover-text: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.app {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: var(--bg-color);
    overflow: hidden;
}

.editor-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px;
    position: relative;
}

.editor-container::-webkit-scrollbar {
    display: none;
}

.editor-container {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.editor {
    width: 100%;
    max-width: 650px;
    min-height: 100%;
}

.ql-container {
    font-family: 'Lato', sans-serif;
    font-size: 18px;
    border: none !important;
}

.ql-container.ql-snow {
    border: none !important;
}

.ql-editor {
    padding: 0;
    padding-bottom: 68px;
    min-height: 100%;
    color: var(--text-color);
    background-color: transparent;
    white-space: pre-wrap;
    word-wrap: break-word;
    caret-color: var(--text-color);
    overflow-y: auto;
}

.ql-editor::-webkit-scrollbar,
.ql-container::-webkit-scrollbar {
    display: none;
}

.ql-editor,
.ql-container {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.ql-editor.ql-blank::before {
    color: var(--placeholder-color);
    font-style: normal;
    left: 0;
    right: 0;
}

.ql-toolbar {
    display: none !important;
}

.bottom-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background-color: var(--bg-color);
    border-top: 1px solid transparent;
    height: 68px;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.bottom-nav.fade-out {
    opacity: 0;
    pointer-events: none;
}

.nav-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--nav-text);
    font-size: 15px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-btn:hover {
    color: var(--nav-text-hover);
}

.nav-separator {
    color: var(--separator-color);
    font-size: 15px;
    user-select: none;
}

.theme-icon,
.history-icon {
    font-size: 18px;
}

.sidebar {
    width: 200px;
    height: 100vh;
    background-color: var(--sidebar-bg);
    border-left: 1px solid rgba(128, 128, 128, 0.2);
    display: flex;
    flex-direction: column;
    transition: width 0.2s ease-in-out;
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar.hidden {
    width: 0;
    border-left: none;
}

.sidebar-header {
    padding: 12px 16px;
    cursor: pointer;
}

.sidebar-header:hover .sidebar-title span:first-child,
.sidebar-header:hover .external-icon {
    color: var(--nav-text-hover);
}

.sidebar-header-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--nav-text);
    transition: color 0.2s ease;
}

.external-icon {
    font-size: 12px;
    color: var(--nav-text);
    transition: color 0.2s ease;
}

.storage-path {
    font-size: 10px;
    color: var(--separator-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-divider {
    height: 1px;
    background-color: rgba(128, 128, 128, 0.2);
}

.entries-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.entries-list::-webkit-scrollbar {
    display: none;
}

.entries-list {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.entry-item {
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 1px solid rgba(128, 128, 128, 0.1);
    transition: background-color 0.2s ease;
    position: relative;
}

.entry-item:hover {
    background-color: var(--entry-hover-bg);
}

.entry-item.selected {
    background-color: var(--entry-selected-bg);
}

.entry-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.entry-preview {
    font-size: 13px;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.entry-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.entry-item:hover .entry-actions {
    opacity: 1;
}

.entry-action-btn {
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    padding: 2px;
    color: var(--nav-text);
    transition: color 0.2s ease;
}

.entry-action-btn.export:hover {
    color: var(--nav-text-hover);
}

.entry-action-btn.delete:hover {
    color: var(--delete-color);
}

.entry-date {
    font-size: 12px;
    color: var(--separator-color);
}

.chat-popover {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 8px;
    min-width: 120px;
    background-color: var(--popover-bg);
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.chat-popover.hidden {
    display: none;
}

.chat-content {
    padding: 0;
}

.chat-message {
    padding: 8px 12px;
    font-size: 14px;
    color: var(--popover-text);
    line-height: 1.4;
}

.chat-button {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--popover-text);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.chat-button:hover {
    background-color: rgba(128, 128, 128, 0.1);
}

.chat-divider {
    height: 1px;
    background-color: rgba(128, 128, 128, 0.2);
}

.chat-btn-wrapper {
    position: relative;
    display: inline-block;
}

.chat-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 8px;
    padding: 8px 12px;
    background-color: var(--popover-bg);
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 6px;
    font-size: 13px;
    color: var(--popover-text);
    width: 220px;
    text-align: center;
    line-height: 1.4;
    opacity: 0;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.chat-tooltip.visible {
    opacity: 1;
}

.chat-tooltip.hidden {
    display: none;
}

.app.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
}

@media (max-width: 768px) {
    .editor {
        max-width: 100%;
        padding: 20px;
    }

    .nav-section {
        gap: 4px;
    }

    .nav-btn {
        font-size: 11px;
        padding: 2px 4px;
    }

    .sidebar {
        width: 250px;
    }

    .sidebar.hidden {
        width: 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}