/* General styles */
:root {
    --background-color: #f4f7f6;
    --text-color: #333;
    --header-background: #4a4a4a;
    --header-text-color: white;
    --card-background: white;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --button-background: #4a4a4a;
    --button-text-color: white;
    --button-hover-background: #333;
    --form-background: white;
    --border-color: #ccc;
}

[data-theme="dark"] {
    --background-color: #2c2c2c;
    --text-color: #e0e0e0;
    --header-background: #1a1a1a;
    --header-text-color: #e0e0e0;
    --card-background: #3a3a3a;
    --card-shadow: rgba(255, 255, 255, 0.1);
    --button-background: #555;
    --button-text-color: #e0e0e0;
    --button-hover-background: #666;
    --form-background: #3a3a3a;
    --border-color: #555;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

header {
    background-color: var(--header-background);
    color: var(--header-text-color);
    padding: 1.5rem;
    text-align: center;
    position: relative; /* For positioning the toggle button */
}

header h1 {
    margin-bottom: 0.5rem;
}

header p {
    margin-top: 0;
}

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--header-text-color);
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Subscription list */
#subscription-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Add subscription form */
#subscription-form-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--form-background);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--card-shadow);
}

#subscription-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#subscription-form .form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

#subscription-form input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-background); /* Use card background for inputs */
    color: var(--text-color);
}

#subscription-form button[type="submit"] {
    padding: 0.8rem 1.2rem;
    background-color: var(--button-background);
    color: var(--button-text-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#subscription-form button[type="submit"]:hover {
    background-color: var(--button-hover-background);
}

/* Subscription card styles (apply to custom element) */
/* These styles will be inherited by the shadow DOM if defined on :root or body */
.subscription-card {
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--card-shadow);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--text-color); /* Ensure text color is also themed */
    transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}

.subscription-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.subscription-card h3.service-name {
    margin: 0;
    font-size: 1.2rem;
}

.subscription-card .delete-btn {
    background: none;
    border: none;
    color: #ff4d4d; /* Keep delete button color constant */
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
}

.subscription-card .card-body p {
    margin: 0.3rem 0;
    font-size: 0.9rem;
}

#total-monthly-fee {
    margin-top: 2rem;
    text-align: right;
    font-size: 1.2rem;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    background-color: var(--header-background); /* Use header background for consistency */
    color: var(--header-text-color);
}