/* Color Themes */
:root {
    /* Default Theme */
    --primary: #6c5ce7;
    --secondary: #a29bfe;
    --accent: #fd79a8;
    --background: #f9f9f9;
    --card-bg: #ffffff;
    --text: #2d3436;
    --text-light: #636e72;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #d63031;
    --border: #dfe6e9;
}

/* Ocean Theme */
[data-theme="ocean"] {
    --primary: #0984e3;
    --secondary: #74b9ff;
    --accent: #00cec9;
    --background: #f0f8ff;
    --card-bg: #ffffff;
    --text: #2d3436;
}

/* Sunset Theme */
[data-theme="sunset"] {
    --primary: #e17055;
    --secondary: #fab1a0;
    --accent: #e84393;
    --background: #fff5f3;
    --card-bg: #ffffff;
    --text: #2d3436;
}

/* Forest Theme */
[data-theme="forest"] {
    --primary: #00b894;
    --secondary: #55efc4;
    --accent: #00cec9;
    --background: #f0fff4;
    --card-bg: #ffffff;
    --text: #2d3436;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

body {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
}

.app-container {
    max-width: 800px;
    margin: 30px auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.header-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 30px 0;
    color: white;
}

header {
    padding: 0 30px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.input-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#todo-input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

#add-btn {
    padding: 0 25px;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

#add-btn:hover {
    transform: translateY(-2px);
}

.glow-effect {
    position: relative;
    overflow: hidden;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
}

.glow-effect:hover::after {
    animation: glow 1.5s infinite;
}

@keyframes glow {
    100% {
        transform: translateX(100%);
    }
}

.main-content {
    background-color: var(--card-bg);
    padding: 30px;
}

.filters {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background-color: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
}

.filter-btn.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.filter-btn:hover:not(.active) {
    background-color: rgba(0, 0, 0, 0.05);
}

.todo-container {
    margin-bottom: 30px;
}

#todo-list {
    list-style: none;
}

.todo-item {
    display: flex;
    align-items: center;
    padding: 18px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    transition: all 0.3s;
    position: relative;
}

.todo-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.todo-checkbox {
    appearance: none;
    width: 22px;
    height: 22px;
    border: 2px solid var(--border);
    border-radius: 6px;
    margin-right: 15px;
    cursor: pointer;
    position: relative;
}

.todo-checkbox:checked {
    background-color: var(--success);
    border-color: var(--success);
}

.todo-checkbox:checked::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
}
.todo-text {
    flex: 1;
    font-size: 1.1rem;
    word-break: break-word;
    padding-right: 120px; /* Increased from 40px to accommodate both priority and actions */
}


.todo-text.completed {
    text-decoration: line-through;
    color: var(--text-light);
}


.priority {
    position: absolute;
    right: 100px; /* Changed from 60px to move left */
    font-size: 0.8rem;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.todo-actions {
    display: flex;
    gap: 10px;
    position: absolute;
    right: 20px; /* Keep this the same */
}

.priority.high {
    background-color: rgba(214, 48, 49, 0.1);
    color: var(--danger);
}

.priority.medium {
    background-color: rgba(253, 203, 110, 0.1);
    color: #e17055;
}

.priority.low {
    background-color: rgba(0, 184, 148, 0.1);
    color: var(--success);
}



.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edit-btn {
    color: var(--primary);
}

.edit-btn:hover {
    background-color: rgba(108, 92, 231, 0.1);
}

.delete-btn {
    color: var(--danger);
}

.delete-btn:hover {
    background-color: rgba(214, 48, 49, 0.1);
}

.stats-container {
    margin-top: 30px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--border);
    border-radius: 4px;
    margin-bottom: 20px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    width: 0%;
    transition: width 0.5s ease;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

.priority-filter {
    display: flex;
    align-items: center;
    gap: 10px;
}

#priority-filter {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background-color: var(--card-bg);
    color: var(--text);
}

.clear-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.clear-btn:hover {
    text-decoration: underline;
}

.color-themes {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border);
}

.theme-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: transform 0.3s;
}

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

.theme-btn[data-theme="default"] {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe, #fd79a8);
}

.theme-btn[data-theme="ocean"] {
    background: linear-gradient(135deg, #0984e3, #74b9ff, #00cec9);
}

.theme-btn[data-theme="sunset"] {
    background: linear-gradient(135deg, #e17055, #fab1a0, #e84393);
}

.theme-btn[data-theme="forest"] {
    background: linear-gradient(135deg, #00b894, #55efc4, #00cec9);
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        margin: 0;
        border-radius: 0;
    }

    .filters {
        justify-content: center;
    }

    .footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .priority-filter {
        flex-direction: column;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.todo-item {
    animation: fadeIn 0.3s ease-out;
}