style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #f1f3f4;
}

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

.sidebar {
    width: 230px;
    background: white;
    padding: 20px;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
}

.custom-folders-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    flex-grow: 1;
}

.dark-mode .custom-folders-section {
    border-top-color: #333;
}

.sidebar-btn {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border: 1px dashed #ccc;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    color: #555;
    transition: 0.2s;
}

.sidebar-btn:hover {
    background: #f1f3f4;
}

.dark-mode .sidebar-btn {
    border-color: #555;
    color: #aaa;
}

.dark-mode .sidebar-btn:hover {
    background: #333;
}

.sidebar h2 {
    margin-bottom: 30px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: 0.2s;
}

.sidebar li.active,
.sidebar li:hover {
    background: #e8f0fe;
}

#darkModeBtn {
    padding: 8px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.main {
    flex: 1;
    padding: 20px 40px;
    overflow-y: auto;
}

.topbar {
    margin-bottom: 20px;
}

.topbar input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

.create-note {
    background: white;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.create-note textarea {
    width: 100%;
    border: none;
    resize: none;
    outline: none;
    font-size: 16px;
    min-height: 60px;
}

.folder-selector {
    margin-bottom: 10px;
}

.folder-selector select {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    background: #f8f9fa;
    font-size: 13px;
    color: #444;
}

.dark-mode .folder-selector select {
    background: #333;
    border-color: #555;
    color: #e8eaed;
}

#addNoteBtn {
    margin-top: 10px;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    background: #1a73e8;
    color: white;
    cursor: pointer;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.note-card {
    background: #fff;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    transition: 0.2s;
}

.note-card:hover {
    transform: translateY(-5px);
}

.note-card p {
    white-space: pre-wrap;
}

.card-actions {
    margin-top: 10px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.card-actions button {
    padding: 5px 8px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
}

.edit-btn {
    background: #34a853;
    color: white;
}

.delete-btn {
    background: #ea4335;
    color: white;
}

/* REPLACE your existing dark mode styles at the bottom with these */

.dark-mode {
    background-color: #121212;
    color: #e8eaed;
}

/* 1. Sidebar contrast + active state alignment */
.dark-mode .sidebar {
    background-color: #1e1e1e;
    border-right: 1px solid #333;
    color: #e8eaed;
}

.dark-mode .sidebar h2 {
    color: #ffffff;
}

.dark-mode .sidebar li {
    color: #c4c7cc;
}

.dark-mode .sidebar li.active {
    background: #2d3748;
    color: #ffffff;
    font-weight: 600;
    border-left: 3px solid #1a73e8;
}

.dark-mode .sidebar li:hover {
    background: #2a2a2a;
    color: #ffffff;
}

/* 2. Main content depth and separation */
.dark-mode .main {
    background-color: #181818;
}

.dark-mode .topbar input {
    background-color: #2a2a2a;
    color: #e8eaed;
    border: 1px solid #444;
    border-radius: 8px;
}

.dark-mode .topbar input::placeholder {
    color: #9aa0a6;
}

/* 3. Create note card visual depth */
.dark-mode .create-note {
    background-color: #1e1e1e;
    border: 1px solid #333;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.dark-mode .create-note textarea {
    background-color: #1e1e1e;
    color: #e8eaed;
    border: none;
}

.dark-mode .create-note textarea::placeholder {
    color: #9aa0a6;
}

/* 4. Note cards with hierarchy and separation */
.dark-mode .note-card {
    background-color: #242424;
    border: 1px solid #333;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    color: #e8eaed;
}

.dark-mode .note-card:hover {
    background-color: #2a2a2a;
    border-color: #555;
}

/* Dark mode button */
.dark-mode #darkModeBtn {
    background-color: #2d3748;
    color: #e8eaed;
    border: 1px solid #444;
}

/* Keep action buttons their original colors */
.dark-mode .edit-btn {
    background: #34a853;
    color: white;
}

.dark-mode .delete-btn {
    background: #ea4335;
    color: white;
}

/* Label Selector Styles */
.label-selector {
    margin: 10px 0;
    padding: 10px;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.label-title {
    font-size: 14px;
    color: #666;
    display: block;
    margin-bottom: 8px;
}

.label-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.label-option {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    font-size: 14px;
}

.label-checkbox {
    cursor: pointer;
}

.label-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.label-dot.important {
    background-color: #f28b82;
}

.label-dot.work {
    background-color: #fbbc04;
}

.label-dot.personal {
    background-color: #4285f4;
}

.label-dot.ideas {
    background-color: #81c995;
}

.note-card {
    border-left: 4px solid transparent;
}

.note-card[data-labels*="Important"] {
    border-left-color: #f28b82;
}

.note-card[data-labels*="Work"] {
    border-left-color: #fbbc04;
}

.note-card[data-labels*="Personal"] {
    border-left-color: #4285f4;
}

.note-card[data-labels*="Ideas"] {
    border-left-color: #81c995;
}

.note-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.note-label {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.note-label.important {
    background-color: #f28b82;
}

.note-label.work {
    background-color: #fbbc04;
    color: #333;
}

.note-label.personal {
    background-color: #4285f4;
}

.note-label.ideas {
    background-color: #81c995;
    color: #333;
}

.dark-mode .label-selector {
    border-top-color: #333;
    border-bottom-color: #333;
}

.dark-mode .label-title {
    color: #9aa0a6;
}

.dark-mode .label-option {
    color: #e8eaed;
}

/* Category indicators in sidebar */
.sidebar li i {
    margin-right: 8px;
    font-style: normal;
}

.sidebar li[class*="important"] {
    border-left: 3px solid transparent;
}

.sidebar li[class*="important"].active {
    border-left-color: #f28b82;
}

.sidebar li[class*="work"].active {
    border-left-color: #fbbc04;
}

.sidebar li[class*="personal"].active {
    border-left-color: #4285f4;
}

.sidebar li[class*="ideas"].active {
    border-left-color: #81c995;
}

/* ================= EMPTY STATE ================= */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-top: 20px;
}

.empty-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.empty-state h3 {
    margin: 10px 0;
    color: #333;
}

.empty-state p {
    color: #777;
    margin-bottom: 15px;
}

.empty-state button {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    background: #1a73e8;
    color: white;
    cursor: pointer;
    transition: 0.2s ease;
}

.empty-state button:hover {
    background: #1558b0;
    transform: translateY(-2px);
}

/* Dark mode support */
.dark-mode .empty-state {
    background: #1e1e1e;
    border: 1px solid #333;
}

.dark-mode .empty-state h3 {
    color: #e8eaed;
}

.dark-mode .empty-state p {
    color: #9aa0a6;
}

/* ================= MODALS ================= */
.modal {
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 25px;
    border-radius: 12px;
    width: 340px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.dark-mode .modal-content {
    background: #2a2a2a;
    color: #e8eaed;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
}

.modal-content h2 {
    margin-bottom: 15px;
}

.modal-content input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.dark-mode .modal-content input {
    background-color: #333;
    border-color: #555;
    color: #e8eaed;
}

.modal-content button {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    background: #1a73e8;
    color: white;
    cursor: pointer;
    width: 100%;
}