:root {
    --primary: #8bd8bd;
    --primary-light: #c0f0e2;
    --primary-dark: #5aa58b;
    --text: #2d3748;
    --text-light: #4a5568;
    --bg: #f8fafc;
    --sidebar-bg: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100%;
}

.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sidebar-header {
    margin-bottom: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.new-note-btn {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.new-note-btn:hover {
    background-color: var(--primary-dark);
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 0.5rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border-radius: 8px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-nav a:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.sidebar-nav .active a {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 500;
}

.icon {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.workspace-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.breadcrumbs {
    font-weight: 500;
}

.search-bar input {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 300px;
    outline: none;
    transition: all 0.2s;
}

.search-bar input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.note-editor {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.note-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.tool-btn {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-btn:hover {
    background-color: var(--primary-light);
}

.note-content {
    min-height: 100%;
    outline: none;
}

.note-content h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.note-content p {
    line-height: 1.6;
    margin-bottom: 1rem;
}