body {
    font-family: 'Comic Sans MS', cursive, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f0fb;
    color: #333;
    padding-bottom: 60px;
    transition: background-color 0.3s, color 0.3s;
}

header {
    background-color: #b583d6;
    color: white;
    padding: 20px;
    text-align: center;
}

h1 { margin: 0; font-size: 2.5rem; }
p { font-size: 1.2rem; }
h3 { font-size: 1.6rem; margin-bottom: 10px; color: #b583d6; }
h4 { font-size: 1.2rem; color: #333; margin-top: 15px; }

nav {
    position: relative;
    text-align: center;
    padding: 40px 0;
}

nav::before {
    content: '';
    background-image: url('img/img1.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    top: 245px;
    left: 0;
    right: 0;
    height: 300px;
    z-index: -1;
}

ul { list-style-type: none; padding: 0; }
li { display: inline; margin: 0 15px; }
a { text-decoration: none; color: #b583d6; font-size: 1.8rem; }
a:hover { color: #945ab6; }

.motivational-message {
    font-size: 1.4rem;
    color: #b583d6;
    text-align: center;
    margin-bottom: 20px;
    padding: 10px;
    background-color: #f4e3ff;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.tab-section {
    display: none;
    padding: 20px;
    text-align: center;
}

.textarea-container {
    width: 90%;
    margin: 0 auto 10px auto;
    text-align: right;
}

textarea {
    width: 100%;
    min-height: 20vh;
    height: auto;
    padding: 20px;
    font-size: 1.3rem;
    line-height: 2.2rem;
    font-family: 'Comic Sans MS', cursive, sans-serif;
    border: 2px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    resize: none;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
    background-color: #fff;
    background-image: linear-gradient(#eee .1em, transparent .1em);
    background-size: 100% 2.2rem;
}

textarea:focus {
    outline: none;
    border-color: #b583d6;
    box-shadow: 0 0 10px rgba(181, 131, 214, 0.5);
}

.char-counter {
    font-size: 0.9rem;
    color: #777;
    padding: 5px 10px;
}

.tag-container {
    width: 90%;
    margin: 0 auto 20px auto;
}

.tag-input {
    width: 100%;
    padding: 10px;
    font-family: 'Comic Sans MS', cursive, sans-serif;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.search-container {
    margin-bottom: 20px;
}

#history-search {
    width: 70%;
    padding: 12px;
    font-size: 1.1rem;
    font-family: 'Comic Sans MS', cursive, sans-serif;
    border: 2px solid #ddd;
    border-radius: 8px;
}

.entry-tags {
    margin-top: 10px;
}

.tag-badge {
    display: inline-block;
    background-color: #e0e0e0;
    color: #333;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 5px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.tag-badge:hover {
    background-color: #b583d6;
    color: white;
}

button {
    background-color: #b583d6;
    color: white;
    font-size: 1.2rem;
    font-family: 'Comic Sans MS', cursive, sans-serif;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 20px;
}

button:hover { background-color: #945ab6; }
button.danger { background-color: #e74c3c; }
button.danger:hover { background-color: #c0392b; }

.feedback {
    padding: 10px;
    margin-top: -15px;
    border-radius: 5px;
    color: #4CAF50;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    height: 20px;
}
.feedback.show { opacity: 1; }

#thought-list li, #pendings-list li, #gratitude-list li {
    display: block;
    background-color: #fff;
    padding: 15px;
    margin: 10px auto;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: left;
    max-width: 80%;
}
.entry-content { margin-bottom: 10px; }
.entry-date { font-size: 0.9em; color: #777; }
.entry-actions button {
    font-size: 0.9rem;
    padding: 5px 10px;
    margin-right: 10px;
}

.history-tabs {
    overflow: hidden;
    border-bottom: 2px solid #ddd;
    margin-bottom: 20px;
    text-align: center;
}
.history-tabs button.tab-link {
    background-color: inherit;
    color: #b583d6;
    float: none;
    display: inline-block;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
    font-size: 1.4rem;
    margin-bottom: -2px;
}
.history-tabs button.tab-link:hover {
    background-color: #f4e3ff;
}
.history-tabs button.tab-link.active {
    background-color: #f4f0fb;
    border-bottom: 3px solid #b583d6;
    color: #333;
}
.tab-content {
    display: none;
    padding: 6px 12px;
    animation: fadeIn 0.5s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

#calendar-container {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background-color: #fff;
    width: 80%;
}
.day-header { font-weight: bold; text-align: center; color: #b583d6; }
.calendar-day { padding: 10px; text-align: center; border: 1px solid #ddd; border-radius: 5px; background-color: #f9f9f9; cursor: pointer; position: relative; transition: background-color 0.2s; }
.calendar-day:hover { background-color: #e6e6e6; }
.calendar-day.has-notes::after { content: ''; position: absolute; bottom: 4px; right: 4px; width: 8px; height: 8px; background-color: #b583d6; border-radius: 50%; }
.calendar-day.today { background-color: #b583d6; color: white; font-weight: bold; border: 1px solid #945ab6; }
.calendar-day.today:hover { background-color: #945ab6; }
.modal { display: none; position: fixed; z-index: 100; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); }
.modal-content { background-color: #fefefe; margin: 10% auto; padding: 20px; border: 1px solid #888; width: 90%; max-width: 500px; border-radius: 10px; text-align: left; position: relative; display: flex; flex-direction: column; }
.close-button { color: #aaa; position: absolute; top: 5px; right: 15px; font-size: 28px; font-weight: bold; cursor: pointer; }
.modal-scroll-container { max-height: 60vh; overflow-y: auto; padding-right: 15px; margin-top: 10px; }
#modal-body h4 { color: #b583d6; border-top: 1px solid #eee; padding-top: 10px; margin-top: 15px; }
#modal-emotion-selector { border-top: 1px solid #eee; margin-top: 15px; padding-top: 10px; text-align: center; }
#modal-emotion-buttons button { font-size: 1.8rem; padding: 5px; margin: 0 5px; background: transparent; border: none; border-radius: 50%; cursor: pointer; transition: transform 0.2s; }
#modal-emotion-buttons button:hover { transform: scale(1.2); }

footer {
    text-align: center;
    padding: 10px;
    background-color: #b583d6;
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.user-profile-container {
    position: fixed;
    top: 15px;
    right: 20px;
    z-index: 1000;
}
.user-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white; 
    color: #b583d6;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    border: 2px solid #b583d6;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    
    transition: transform 0.2s ease-in-out;
}
.user-icon:hover {
    transform: scale(1.1);
}
.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 60px;
    background-color: white;
    min-width: 150px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    border-radius: 8px;
    z-index: 1;
}
.dropdown-content a {
    color: #333;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    font-size: 1rem;
}
.dropdown-content a:hover {
    background-color: #f1f1f1;
    border-radius: 8px;
}
.dropdown-content.show {
    display: block;
}

body.dark-mode {
    background-color: #2c213a;
    color: #e0d0f0;
}
body.dark-mode header,
body.dark-mode footer {
    background-color: #3f3152;
    border-bottom: 1px solid #5a4b70;
}
body.dark-mode .motivational-message {
    background-color: #3f3152;
    color: #c792ea;
}
body.dark-mode a {
    color: #c792ea;
}
body.dark-mode a:hover {
    color: #b583d6;
}
body.dark-mode textarea {
    background-color: #3f3152;
    color: #e0d0f0;
    border-color: #5a4b70;
    background-image: linear-gradient(#5a4b70 .1em, transparent .1em);
}
body.dark-mode .char-counter,
body.dark-mode .entry-date {
    color: #a090b0;
}
body.dark-mode .tag-input,
body.dark-mode #history-search {
    background-color: #3f3152;
    color: #e0d0f0;
    border-color: #5a4b70;
}
body.dark-mode .tag-badge {
    background-color: #5a4b70;
    color: #e0d0f0;
}
body.dark-mode .tag-badge:hover {
    background-color: #c792ea;
    color: #2c213a;
}
body.dark-mode #thought-list li,
body.dark-mode #pendings-list li,
body.dark-mode #gratitude-list li {
    background-color: #3f3152;
    box-shadow: none;
    border: 1px solid #5a4b70;
}
body.dark-mode .history-tabs {
    border-bottom-color: #5a4b70;
}
body.dark-mode .history-tabs button.tab-link.active {
    background-color: #2c213a;
    border-bottom-color: #c792ea;
    color: #e0d0f0;
}
body.dark-mode #calendar-container,
body.dark-mode .modal-content,
body.dark-mode .dropdown-content {
    background-color: #3f3152;
    border-color: #5a4b70;
}
body.dark-mode .calendar-day {
    background-color: #2c213a;
    border-color: #5a4b70;
}
body.dark-mode .calendar-day:hover {
    background-color: #5a4b70;
}
body.dark-mode .dropdown-content a {
    color: #e0d0f0;
}
body.dark-mode .dropdown-content a:hover {
    background-color: #5a4b70;
}
body.dark-mode .close-button {
    color: #a090b0;
}