:root {
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f8fafc;
    --accent: #3b82f6;
    --danger: #ef4444;
    --success: #22c55e;
    --border: #334155;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Login Page Specifics */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
}

.login-card {
    background: var(--card);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    border: 1px solid var(--border);
}

/* Dashboard Layout */
nav {
    background: var(--card);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

main {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
    padding: 2rem;
    flex-grow: 1;
}

/* UI Elements */
input, textarea {
    background: #0f172a;
    border: 1px solid var(--border);
    color: white;
    padding: 12px;
    border-radius: 6px;
    width: 100%;
    margin-bottom: 1rem;
    box-sizing: border-box;
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: opacity 0.2s;
}

button:hover { opacity: 0.9; }

.record-card {
    background: var(--card);
    padding: 1rem;
    margin-bottom: 0.8rem;
    border-radius: 6px;
    border-left: 4px solid var(--accent);
    cursor: pointer;
}

.save-btn { background: var(--success); }
.delete-btn { background: var(--danger); }

.check-container {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #0f172a;
    border-radius: 6px;
    border: 1px solid var(--border);
    cursor: pointer;
}

.check-container input {
    width: auto; /* Keeps the box from stretching to 100% width */
    margin: 0;
}