/* General Styles */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background-color: #121212; /* Dark background */
    color: #ffffff; /* White text */
    overflow-x: hidden;
}

.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 30px;
    background-color: #1e1e1e; /* Slightly lighter dark background */
    border-radius: 12px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease-in-out;
}

header h1 {
    font-size: 2.8em;
    color: #ffffff; /* White text */
    letter-spacing: 2px;
    font-weight: 600;
}

/* Forms */
.add-form, .login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 20px 0;
    animation: fadeInUp 0.8s ease-in-out;
}

input[type="text"],
input[type="password"],
textarea {
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    background-color: #333333; /* Dark input background */
    color: #ffffff; /* White text */
    transition: background-color 0.3s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    background-color: #444444; /* Slightly lighter input on focus */
    outline: none;
}

/* Button Styles */
button {
    padding: 15px;
    background-color: #ffffff; /* White button background */
    border: none;
    color: black; /* Black text */
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s;
    border-radius: 8px;
    font-weight: 500;
    letter-spacing: 1px;
}

button:hover {
    background-color: #e0e0e0; /* Light gray on hover */
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

/* General Button Styles */
.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, transform 0.2s ease;
    z-index: 5;
}

/* Button for Delete Action */
.btn.delete {
    background-color: #e74c3c; /* Red for delete */
    color: white;
    text-decoration: none;
}

.btn.delete:hover {
    background-color: #c0392b; /* Darker red on hover */
    transform: translateY(-2px); /* Lift effect on hover */
}

.btn.delete:active {
    transform: scale(0.95); /* Slight shrink on click */
}

/* Button for Toggle Complete/Undo Action */
.btn.toggle {
    background-color: #3498db; /* Blue for toggle */
    color: white;
    text-decoration: none;
}

.btn.toggle:hover {
    background-color: #2980b9; /* Darker blue on hover */
    transform: translateY(-2px); /* Lift effect on hover */
}

.btn.toggle:active {
    transform: scale(0.95); /* Slight shrink on click */
}

/* Icon Styling inside Buttons */
.btn i {
    margin-right: 8px;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 15px;
    animation: fadeInDown 0.6s ease-in-out;
}

.flash {
    padding: 12px;
    border-radius: 8px;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    text-align: center;
}

.flash.success {
    background-color: #28a745; /* Green success */
}

.flash.error {
    background-color: #dc3545; /* Red error */
}

.flash.info {
    background-color: #007bff; /* Blue info */
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* For mobile responsiveness, reduce padding and font size */
@media screen and (max-width: 600px) {
    .btn {
        padding: 8px 10px;
        font-size: 12px;
    }
}

/* Task List */
.todo-list {
    list-style-type: none;
    padding: 0;
}

.todo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    background-color: #1e1e1e; 
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.2s;
    animation: fadeInUp 0.6s ease-in-out;
    white-space: nowrap; 
    overflow: hidden;   
    text-overflow: ellipsis;
    max-width: 900px;  
    display: flexbox;
}

.todo-item:hover {
    background-color: #333333; 
    transform: scale(1.02);
}

.todo-item .task-info {
    display: flex;
    flex-direction: column;
}

.todo-item .task-title {
    font-size: 1.2em;
    font-weight: 600;
}

.todo-item .task-desc {
    font-size: 0.9em;
}

/* Completed tasks */
.complete {
    text-decoration: line-through;
    color: #888888;
}