:root {
    --excel-orange-dark: #ff6b1c;
    --border-color: #e2e8f0;
    --hover-color: #f1f5f9;
    /* New color variables */
    --border-color: #e1e1e1; /* Subtle border */
    --text-primary: #252525; /* Main text */
    --text-secondary: #666666; /* Secondary text */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/* Title Bar */
.title-bar {
    background: linear-gradient(to bottom, #e3e3e3 0%, #cecece 100%);
    padding: 4px 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #999;
}

.title-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-text {
    font-family: "Segoe UI", Arial, sans-serif;
    letter-spacing: -0.5px;
}

.logo-dot {
    color: var(--primary-blue);
    margin: 0 2px;
}

.excel-icon {
    width: 16px;
    height: 16px;
    background-color: #217346;
    border-radius: 2px;
}

.file-title {
    font-size: 12px;
    color: #333;
}

.title-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.credits-display {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666;
}

.file-status {
    color: #999;
    margin-left: 8px;
}

/* Excel Header */
.excel-header {
    background: linear-gradient(
        to bottom,
        var(--header-bg) 0%,
        var(--header-dark) 100%
    );
    border-bottom: 1px solid #d35400;
}

/* Menu Bar */
.menu-bar {
    background: var(--toolbar-bg);
    border-bottom: 1px solid var(--border-light);
    padding: 2px;
    display: flex;
    gap: 5px;
}

.menu-item {
    padding: 3px 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
}

.menu-item:hover {
    background: var(--button-hover);
    color: var(--primary-blue);
}

/* Mega Menu */
.mega-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #adb5bd;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    min-width: 800px;
    padding: 1rem;
}

.menu-item:hover .mega-menu {
    display: block;
}

.menu-columns {
    display: flex;
    gap: 1rem;
}

.menu-column {
    flex: 1;
    min-width: 200px;
    padding-right: 1rem;
    border-right: 1px solid var(--border-color);
}

.menu-column:last-child {
    border-right: none;
}

.menu-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--active-color);
    padding-bottom: 4px;
    margin-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.menu-item-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    font-size: 12px;
    color: #333;
    width: 100%;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
}

.menu-item-button:hover {
    background-color: var(--hover-color);
    color: var(--primary-blue);
    transform: translateX(4px);
}

/* Toolbar */
.toolbar {
    display: flex;
    padding: 4px;
    background: var(--toolbar-bg);
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.tool-group {
    display: flex;
    align-items: center;
    padding: 2px 5px;
    gap: 2px;
    border-right: 1px solid var(--border-color);
}

.tool-button.premium-tool {
    color: var(--purple-accent);
}

.tool-button.premium-tool:hover {
    color: var(--purple-accent-dark);
    border-color: var(--purple-accent);
}

/* Quick Access Section */
.quick-access {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    padding-right: 8px;
}

.credits-display {
    background: #f8fafc;
    padding: 4px 8px;
    border-radius: 16px;
    font-size: 12px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 4px;
}

.upgrade-button {
    background: #22c55e;
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.upgrade-button:hover {
    background: #16a34a;
}

/* Formula Bar */
.formula-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    background: var(--toolbar-bg);
    border-bottom: 1px solid var(--border-light);
    height: 36px;
    background: linear-gradient(to bottom, #ffffff, var(--light-gray));
}

.formula-bar-left {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ai-toggle {
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid #d4d4d4;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #666;
}

.ai-toggle:hover {
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    border-color: #adb5bd;
}

.cell-address {
    width: 60px;
    height: 28px;
    padding: 0 4px;
    border: 1px solid var(--border-light);
    border-radius: 3px;
    font-size: 12px;
    background: white;
}

.formula-bar-center {
    flex: 1;
    display: flex;
    align-items: center;
}

.formula-input {
    width: 100%;
    height: 28px;
    padding: 0 8px;
    border: 1px solid var(--border-light);
    border-radius: 3px;
    font-size: 12px;
    background: white;
}

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

.include-data {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #666;
    cursor: pointer;
    user-select: none;
}

.include-data input[type="checkbox"] {
    margin: 0;
    width: 14px;
    height: 14px;
}
/* Focus states */
.formula-input:focus,
.cell-address:focus {
    outline: none;
    border-color: #0078d4;
}

/* Disabled state */
.formula-input:disabled,
.cell-address:disabled {
    background: #f8f9fa;
    cursor: not-allowed;
}

/* Content Area */
.content-area {
    height: calc(100vh - var(--header-height));
    overflow: auto;
}

/* Badges */
.badge {
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
}

.badge-credits {
    background: #f1f5f9;
    color: #475569;
}

.badge-pro {
    background: #818cf8;
    color: white;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .mega-menu {
        min-width: 600px;
    }
}

@media (max-width: 992px) {
    .mega-menu {
        min-width: 400px;
    }

    .menu-columns {
        flex-direction: column;
    }

    .menu-column {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1rem;
        margin-bottom: 1rem;
    }
}

.shortcut {
    margin-left: auto;
    color: #666;
    font-size: 11px;
}

.menu-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

.text-danger {
    color: #dc3545;
}

.text-danger:hover {
    color: #bd2130;
    background-color: #ffd7d7;
}

.no-recent {
    color: #666;
    font-style: italic;
    padding: 8px;
    font-size: 12px;
}

.badge-credits {
    background: #e9ecef;
    color: #495057;
}

/* Enhanced Toolbar Styles */
.toolbar {
    background: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    padding: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
}

.tool-group {
    border-right: 1px solid var(--border-color);
    padding: 0 4px;
    margin-right: 4px;
}

.tool-group:last-child {
    border-right: none;
}

.tool-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.tool-button:active {
    background: #e9ecef;
    border-color: #adb5bd;
}

.tool-text {
    font-size: 11px;
    display: none;
}

.tool-button:hover .tool-text {
    display: inline;
}

.tool-section-label {
    font-size: 10px;
    color: #666;
    text-align: center;
    white-space: nowrap;
    color: var(--neutral-gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-tool {
    color: var(--excel-orange);
}

.mini-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #e9ecef;
    color: #495057;
    font-size: 9px;
    padding: 2px 4px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--warning-orange);
    color: white;
    border: none;
    font-weight: 500;
}

.font-family {
    width: 120px;
}

.font-size {
    width: 50px;
}

/* Formula/Chat Bar Styles */
.formula-chat-bar {
    display: flex;
    align-items: center;
    padding: 4px 8px;
    background: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
    height: 40px;
}

/* Chat Controls */
.chat-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.function-button {
    width: 32px;
    height: 32px;
    padding: 0;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
}

.function-button.chat-mode {
    background: linear-gradient(to bottom, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
}
/* Cell Reference */
.cell-reference {
    display: flex;
    align-items: center;
    gap: 2px;
}

.cell-address {
    width: 70px;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0 8px;
    font-size: 12px;
    background: white;
}

.cell-actions {
    display: flex;
    gap: 2px;
}

/* Formula/Chat Input Area */
.formula-chat-input-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.input-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
}

.context-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #666;
    cursor: pointer;
}

.context-toggle input[type="checkbox"] {
    width: 14px;
    height: 14px;
}

.toggle-label {
    user-select: none;
}

.input-area {
    display: flex;
    align-items: center;
    gap: 4px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0 4px;
}

.formula-chat-input {
    flex: 1;
    height: 32px;
    border: none;
    padding: 0 8px;
    font-size: 12px;
    background: transparent;
}

.formula-chat-input:focus {
    outline: none;
}
/* Micro Buttons */
.micro-button {
    width: 20px;
    height: 20px;
    padding: 0;
    border: 1px solid var(--border-color);
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #666;
    cursor: pointer;
}

.micro-button:hover {
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    border-color: #adb5bd;
}

/* Chat History Panel */
.chat-history-panel {
    position: absolute;
    right: 0;
    bottom: 40px;
    width: 300px;
    height: 400px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

/* Message Styles */
.chat-message {
    margin-bottom: 8px;
    padding: 8px;
    border-radius: 4px;
    font-size: 12px;
}

.user-message {
    background: #e3f2fd;
    margin-left: 20px;
}

.ai-message {
    background: #f5f5f5;
    margin-right: 20px;
}

/* Updated Formula Bar Styles */
.formula-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    background: var(--toolbar-bg);
    border-bottom: 1px solid #d4d4d4;
    height: 36px;
}

.formula-bar-left {
    display: flex;
    align-items: center;
    gap: 4px;
}

.control-buttons {
    display: flex;
    gap: 2px;
    margin-right: 4px;
    border-right: 1px solid #d4d4d4;
    padding-right: 4px;
}

.control-button {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid #d4d4d4;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #666;
}

.control-button.active {
    background: linear-gradient(
        to bottom,
        var(--primary-blue),
        var(--primary-blue-dark)
    );
    color: white;
    border-color: var(--primary-blue-dark);
}

.ai-toggle {
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid #d4d4d4;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #666;
}
.cell-address {
    width: 60px;
    height: 28px;
    padding: 0 4px;
    border: 1px solid #d4d4d4;
    border-radius: 3px;
    font-size: 12px;
    background: white;
}

.formula-bar-center {
    flex: 1;
    display: flex;
    align-items: center;
}

.formula-input {
    width: 100%;
    height: 28px;
    padding: 0 8px;
    border: 1px solid #d4d4d4;
    border-radius: 3px;
    font-size: 12px;
    background: white;
}

.formula-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.execution-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    border-right: 1px solid #d4d4d4;
    padding-right: 12px;
}

.chat-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fill-mode,
.include-data {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #666;
    cursor: pointer;
    user-select: none;
}

.fill-mode input[type="checkbox"],
.include-data input[type="checkbox"] {
    margin: 0;
    width: 14px;
    height: 14px;
}

.execute-button {
    height: 28px;
    padding: 0 8px;
    border: 1px solid #d4d4d4;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
    border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    color: #666;
    font-size: 12px;
    transition: background 0.3s, color 0.3s;
    background: linear-gradient(to bottom, #ffffff 0%, var(--toolbar-bg) 100%);
    border: 1px solid var(--border-light);
    padding: 0 8px;
}

.execute-button:hover {
    background: linear-gradient(
        to bottom,
        #ffffff 0%,
        var(--button-hover) 100%
    );
    border-color: var(--border-dark);
}

.execute-button:active {
    transform: translateY(0);
}

.fill-mode-checkbox {
    margin: 0;
    width: 14px;

    height: 14px;
}
/* Focus States */
.formula-input:focus,
.cell-address:focus {
    outline: none;
    border-color: #0078d4;
}