:root {
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-color: #333;
    --accent-color: #e74c3c;
    --border-color: #e2e8f0;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.login-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 320px;
    border-top: 4px solid #e74c3c;
}
h2 { margin-top: 0; text-align: center; color: #333; }
.form-group { margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; font-size: 0.9rem; color: #666; }
input[type="text"], input[type="password"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
button {
    width: 100%;
    padding: 10px;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    margin-top: 10px;
}
button:hover { background: #c0392b; }
.error { color: #e74c3c; font-size: 0.85rem; margin-bottom: 15px; text-align: center; }
.container { max-width: 1200px; margin: 0 auto; }
header { text-align: center; margin-bottom: 30px; position: relative; }
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    background: white;
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.logout-btn {
    background: #718096;
    color: white;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
}
.logout-btn:hover { background: #4a5568; }
.streak-board { display: flex; justify-content: center; gap: 20px; margin-bottom: 30px; }
.streak-card {
    background: var(--card-bg);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    border-top: 4px solid var(--accent-color);
}
.streak-number { font-size: 2rem; font-weight: bold; color: var(--accent-color); }
.year-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.month-card { background: var(--card-bg); border-radius: 8px; padding: 15px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.month-title {
    text-align: center;
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.days-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; text-align: center; }
.day-name { font-size: 0.75rem; font-weight: bold; color: #718096; padding-bottom: 5px; }
.day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    position: relative;
}
.day:hover { background-color: #edf2f7; }
.day.empty { border: none; cursor: default; }
.day.empty:hover { background: transparent; }
.day.completed {
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
    border-color: var(--accent-color);
}
.day.completed::after { content: "X"; position: absolute; font-size: 0.85rem; }
.day.completed span { visibility: hidden; }

/*--------*/
/* Habit Management Interface Styles */
.habit-manager {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 25px;
    gap: 15px;
    flex-wrap: wrap;
}
.selector-pane label {
    font-weight: bold;
    margin-right: 10px;
    color: #4a5568;
}
.selector-pane select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    font-size: 0.95rem;
    outline: none;
}
.creator-pane {
    display: flex;
    gap: 10px;
}
.creator-pane input[type="text"] {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
    outline: none;
    width: 200px;
}
.creator-pane button {
    margin-top: 0;
    padding: 8px 15px;
    width: auto;
    font-size: 0.95rem;
}
.habit-highlight {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Delete */
.delete-habit-btn {
    background-color: #e53e3e;
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-left: 10px;
    display: inline-block;
    transition: background 0.2s ease;
}
.delete-habit-btn:hover {
    background-color: #c53030;
}

/* Public Share Panel Component Styles */
.share-box {
    background: #ebf8ff;
    border: 1px solid #bee3f8;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}
.share-box span {
    color: #2b6cb0;
    font-size: 0.95rem;
    white-space: nowrap;
}
.share-box input[type="text"] {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
    font-size: 0.85rem;
    background: #fff;
    color: #4a5568;
}
.share-box button {
    margin-top: 0;
    width: auto;
    padding: 8px 15px;
    background: #3182ce;
    font-size: 0.9rem;
}
.share-box button:hover {
    background: #2b6cb0;
}
.public-banner {
    background: #edf2f7;
    border: 1px solid #e2e8f0;
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 25px;
    color: #4a5568;
}
/* Disable hover animations and change cursor styling for public visitors */
.day.readonly {
    cursor: default;
}
.day.readonly:hover {
    background-color: transparent;
}
.day.completed.readonly:hover {
    background-color: var(--accent-color);
}

/* Today */
.day.today-cell {
    border: 2px solid #3182ce !important;
    font-weight: bold;
    box-shadow: inset 0 0 4px rgba(49, 130, 206, 0.3);
}