/* ===== Base ===== */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 40px;
    background: #f7f7f7;
    color: #222;
}

a {
    color: #0077cc;
    text-decoration: none;
}

button {
    padding: 6px 10px;
    cursor: pointer;
}

input {
    padding: 6px;
}

/* ===== Layout ===== */
.container {
    max-width: 900px;
    margin: auto;
}

.nav {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
}

/* 🔔 Badge */
.badge-link {
    position: relative;
    padding-right: 6px;
}

.badge {
    background: #e53935;
    color: white;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: 4px;
}

/* ===== Cards ===== */
.card {
    background: #fff;
    border: 1px solid #ddd;
    padding: 12px;
    margin-bottom: 12px;
    margin-top: 0.5rem;
    border-radius: 4px;
}

.done {
    color: green;
}

.due {
    color: orange;
}

.today {
    background: #fff3cd;
    padding: 6px;
    margin-bottom: 6px;
    border-radius: 4px;
}

.note {
    font-size: 0.9em;
    color: #666;
    margin-top: 4px;
}

/* ===== Login ===== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: #fff;
    padding: 30px;
    border: 1px solid #ddd;
    border-radius: 6px;
    width: 300px;
    text-align: center;
}

/* ===== 🌙 Dark Mode ===== */
body.dark {
    background: #121212;
    color: #e0e0e0;
}

body.dark .card,
body.dark .login-box {
    background: #1e1e1e;
    border-color: #333;
}

body.dark a {
    color: #90caf9;
}

body.dark input,
body.dark button {
    background: #2a2a2a;
    color: #e0e0e0;
    border: 1px solid #444;
}

body.dark .today {
    background: #3a2f00;
}

body.dark .badge {
    background: #ff5252;
}

body.dark .note {
    color: #aaa;
}

/* 📱 Mobile tweaks */
@media (max-width: 640px) {
    body {
        padding: 16px;
    }

    .container {
        width: 100%;
    }

    .nav {
        flex-wrap: wrap;
        gap: 8px;
    }

    input {
        display: block;
        width: 100%;
        margin-bottom: 8px;
    }

    button {
        width: 100%;
    }

    .card {
        padding: 10px;
    }
}

details {
    margin-bottom: 1rem;
}

summary {
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    padding: 0.4rem 0;
}

summary:hover {
    opacity: 0.85;
}

summary:focus {
    outline: none;
}

details {
    margin-bottom: 1.2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.6rem;
}

body.dark details {
    border-bottom-color: #333;
}

.card-due {
    border-left: 4px solid orange;
}

.card .done {
    font-weight: bold;
}

.card.done {
    opacity: 0.65;
}

details > *:not(summary) {
    margin-top: 0.4rem;
}