:root {
    --bg-color: #fff;
    --text-color: #000;
    --link-color: #0000ee;
    --border-color: #999;
    --hr-color: #ccc;
    --subtext-color: #666;
    --input-bg: #fff;
}

body.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --link-color: #bb86fc;
    --border-color: #444;
    --hr-color: #333;
    --subtext-color: #aaa;
    --input-bg: #1e1e1e;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    background: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}

h1 {
    font-size: 24px;
    font-weight: normal;
    margin: 0;
}

h3 {
    font-size: 16px;
    font-weight: normal;
    margin: 0;
}

a {
    color: var(--link-color);
    text-decoration: underline;
    cursor: pointer;
}

button,
input,
textarea {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-color);
    padding: 4px;
}

button {
    cursor: pointer;
}

textarea {
    width: 100%;
    height: 180px;
    min-height: 120px;
    resize: vertical;
    box-sizing: border-box;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    box-sizing: border-box;
}

hr {
    border: 0;
    border-top: 1px solid var(--hr-color);
    margin: 15px 0;
}

.container {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
}

.note-item, .pass-item {
    margin: 8px 0;
}

.pass-card {
    border: 1px solid var(--border-color);
    padding: 8px;
    margin-bottom: 8px;
}

.small {
    color: var(--subtext-color);
    font-size: 12px;
}

.hidden {
    display: none;
}

.actions-bar, .tabs-bar, .header-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}

.actions-bar, .tabs-bar {
    justify-content: flex-start;
}

.tabs-bar button.active {
    font-weight: bold;
    border-bottom: 2px solid var(--text-color);
}

.auth-card {
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-top: 40px;
    text-align: center;
    max-width: 350px;
    margin-left: auto;
    margin-right: auto;
}

.auth-card input {
    max-width: 250px;
    margin: 5px auto;
    text-align: center;
}

.error-text {
    color: red;
}

.small-btn {
    padding: 2px 6px;
    font-size: 12px;
}