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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}


main {
    padding: 40px;
}

section {
    margin-bottom: 40px;
}

h2, h3 {
    color: #333;
    margin-bottom: 20px;
}

input, textarea, select, button {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #667eea;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s;
}

button:hover {
    transform: translateY(-2px);
}


.filter-controls {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 15px;
}

#notesList {
    display: grid;
    gap: 20px;
}

.note-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: transform 0.2s, box-shadow 0.2s;
}

.note-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.note-card h4 {
    color: #333;
    margin-bottom: 10px;
}

.note-card p {
    color: #666;
    margin-bottom: 15px;
}

.note-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.status-badge, .tag-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.status-badge {
    background: #e3f2fd;
    color: #1976d2;
}

.tag-badge {
    background: #f3e5f5;
    color: #7b1fa2;
}

.note-actions {
    display: flex;
    gap: 10px;
}

.note-actions button {
    width: auto;
    padding: 8px 16px;
    margin: 0;
    font-size: 14px;
}

.btn-edit {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
}

.btn-delete {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}