:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --text-color: #212529;
    --border-color: #dee2e6;
}

.dark-mode {
    --primary-bg: #1a1a1a;
    --secondary-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --border-color: #404040;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.tab-pane {
    height: calc(100vh - 250px);
    padding: 15px;
    background: var(--secondary-bg);
    border-radius: 0 0 8px 8px;
    border: 1px solid var(--border-color);
    border-top: none;
}

.note-textarea {
    width: 100%;
    height: calc(100% - 60px); /* Adjusted to account for toolbar */
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    resize: none;
    background: var(--primary-bg);
    color: var(--text-color);
    font-family: 'Source Code Pro', monospace;
    line-height: 1.6;
    transition: border-color 0.3s;
}

.note-textarea:focus {
    outline: none;
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.nav-tabs {
    border-bottom: none;
}

.nav-tabs .nav-link {
    margin-right: 4px;
    border-radius: 8px 8px 0 0;
    padding: 8px 35px 8px 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    transition: all 0.2s;
}

.nav-tabs .nav-link.active {
    background: var(--secondary-bg);
    border-bottom-color: var(--secondary-bg);
    font-weight: 600;
}

.close-tab {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8em;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.close-tab:hover {
    opacity: 1;
}

.tab-title {
    cursor: pointer;
}

.tab-title-input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    max-width: 100px;
    outline: none;
    padding: 0;
}

.tab-title-input:focus {
    border-color: #0d6efd;
}

.toolbar {
    padding: 8px 15px;
    background: var(--secondary-bg);
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.word-count {
    margin-left: auto;
    font-size: 0.9em;
    color: #6c757d;
}

.toggle-theme {
    border: none;
    background: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
}

.toggle-theme:hover {
    background: var(--border-color);
}

.text-stats {
    display: flex;
    gap: 20px;
    margin-left: auto;
    font-size: 0.9em;
    color: #6c757d;
    font-family: 'Source Code Pro', monospace;
}

.text-stats span {
    white-space: nowrap;
}

.modal-content {
    background-color: var(--primary-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.btn-close {
    filter: var(--text-color) === '#e0e0e0' ? invert(1) : none;
}

.tab-controls {
    display: inline-flex;
    gap: 5px;
    margin-left: 8px;
}

.tab-control {
    color: var(--text-color);
    opacity: 0.6;
    cursor: pointer;
    font-size: 0.8em;
    padding: 2px;
}

.tab-control:hover {
    opacity: 1;
    color: #0d6efd;
}

.tab-control.delete:hover {
    color: #dc3545;
}

.nav-link .tab-controls {
    opacity: 0;
    transition: opacity 0.2s;
}

.nav-link:hover .tab-controls {
    opacity: 1;
}

/* Header Styles */
.header {
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
}

.brand i {
    background: linear-gradient(45deg, #0d6efd, #0dcaf0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer Styles */
.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    position: fixed;
    bottom: 0;
    width: 100%;
}

.features span {
    white-space: nowrap;
}

/* Adjust main content for fixed footer */
.container.mb-5 {
    margin-bottom: 120px !important;
}

.modal-body code {
    background: var(--primary-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: #0d6efd;
}

/* Hide footer on small screens when typing */
@media (max-height: 600px) {
    .footer {
        display: none;
    }
    .container.mb-5 {
        margin-bottom: 20px !important;
    }
}