/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Light Theme Variables */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --primary-color: #4361ee;
    --primary-hover: #3a56d4;
    --danger-color: #ef476f;
    --danger-hover: #d23d61;
    --success-color: #06d6a0;
    --warning-color: #ffd166;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --modal-overlay: rgba(0, 0, 0, 0.5);
    --checkbox-bg: #e9ecef;
    --checkbox-border: #ced4da;
    --progress-bg: #e9ecef;
}

/* Update dark mode text colors for better contrast */
.dark-mode {
    /* Keep existing dark mode variables */
    --bg-primary: #212529;
    --bg-secondary: #343a40;
    
    /* Update text colors for better contrast */
    --text-primary: #ffffff;         /* Bright white for main text */
    --text-secondary: #e9ecef;       /* Light gray for secondary text */
    
    /* Other existing variables */
    --border-color: #495057;
    --primary-color: #4dabf7;
    --primary-hover: #339af0;
    /* etc... */
}

/* Add specific rule for task titles in dark mode */
.dark-mode .task-title {
    color: #ffffff;                  /* Ensure task titles are white in dark mode */
    font-weight: 600;                /* Make titles slightly bolder */
}

/* Ensure task items have proper contrast in dark mode */
.dark-mode .task-item {
    background-color: #2c3136;       /* Slightly lighter than the background */
    border-color: #495057;           /* Visible border */
}

/* For unchecked checkboxes, make them more visible in dark mode */
.dark-mode .task-checkbox {
    background-color: #6c757d;
    border-color: #adb5bd;
}


/* Improve dark mode heading visibility */
.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode h6 {
    color: #ffffff;  /* Bright white for all headings */
}

/* Make icons more visible in dark mode */
.dark-mode .btn-icon,
.dark-mode .task-actions button,
.dark-mode .header-controls button {
    color: #e9ecef;  /* Light gray for icons */
}

/* Improve hover states for buttons in dark mode */
.dark-mode .btn-icon:hover,
.dark-mode .task-actions button:hover {
    background-color: #495057;  /* Lighter background on hover */
    color: #ffffff;  /* White text on hover */
}

/* Make "My Tasks" heading specifically more visible */
.dark-mode .task-header h2 {
    color: #ffffff;
    font-weight: 600;
}

/* Ensure all action buttons are visible */
.dark-mode .task-actions .btn-icon {
    background-color: rgba(255, 255, 255, 0.1);  /* Slightly visible background */
    margin: 0 2px;  /* Add small spacing between buttons */
}

/* Make sure the page title is visible */
.dark-mode .app-header .logo h1 {
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);  /* Add subtle shadow for better readability */
}

/* Add these to your styles.css */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

#toggle-all-btn {
    padding: 8px 12px;
}

#toggle-all-btn.collapsed i {
    transform: rotate(-90deg);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s, color 0.3s;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background-color: var(--bg-secondary);
}

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

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

.btn-icon {
    padding: 8px;
    border-radius: 50%;
    background-color: transparent;
}

.btn-icon:hover {
    background-color: var(--bg-secondary);
}

/* Form Styles */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

input, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: border-color 0.2s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-error {
    color: var(--danger-color);
    font-size: 14px;
    margin-top: 8px;
    min-height: 20px;
}

/* Auth Container */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-box {
    width: 100%;
    max-width: 400px;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    background-color: var(--bg-primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.logo i {
    font-size: 24px;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.tabs {
    display: flex;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    flex: 1;
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
}

.tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-form {
    transition: opacity 0.3s;
}

.auth-form.hidden {
    display: none;
    opacity: 0;
}

/* Main Container */
.main-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    background-color: var(--bg-primary);
    z-index: 10;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.app-main {
    flex: 1;
    padding: 24px;
    background-color: var(--bg-secondary);
    overflow-x: hidden;
    overflow-y: auto;
}

/* Task Container */
.task-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.tasks-list {
    padding: 16px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Task Items */
.task-item {
    margin-bottom: 16px;
    padding: 16px;
    border-radius: 8px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s;
}

.task-item:hover {
    box-shadow: var(--shadow);
}

.task-item .task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    margin-bottom: 12px;
    border: none;
}

.task-checkbox-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    -webkit-appearance: none;
    appearance: none;
    background-color: var(--checkbox-bg);
    border: 1px solid var(--checkbox-border);
    border-radius: 4px;
    cursor: pointer;
    position: relative;
}

.task-checkbox:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.task-checkbox:checked:after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
}

.task-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.task-actions {
    display: flex;
    gap: 8px;
}

.task-description {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 14px;
}

.task-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background-color: var(--progress-bg);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--success-color);
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 32px;
    text-align: right;
}

.subtasks-container {
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--border-color);
}

/* Completed Task Styling */
.task-item.completed .task-title {
    text-decoration: line-through;
    color: var(--text-secondary);
}

/* Collapsed Task Styling */
.task-item.collapsed .subtasks-container {
    display: none;
}

.task-item.collapsed .task-collapse-btn i {
    transform: rotate(-90deg);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    background-color: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    margin-top: 24px;
}

#task-form {
    padding: 24px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Reordering */
.reorder-mode .task-actions {
    display: none;
}

.reorder-mode .reorder-actions {
    display: flex;
}

.reorder-actions {
    display: none;
    gap: 8px;
    margin-left: auto;
}

.move-up-btn, .move-down-btn, .move-into-btn, .move-out-btn {
    color: var(--text-secondary);
}

.reorder-toggle {
    display: none;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 1000;
    max-width: 300px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s, slideOut 0.3s 2.7s;
    opacity: 0;
    transform: translateX(100%);
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

.toast.info {
    border-left: 4px solid var(--primary-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast-icon {
    font-size: 18px;
}

.toast-message {
    font-size: 14px;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

.toast.active {
    animation: slideIn 0.3s forwards, slideOut 0.3s 2.7s forwards;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsiveness */
@media (max-width: 768px) {
    .app-header {
        padding: 12px 16px;
    }
    
    .app-main {
        padding: 16px;
    }
    
    .task-header {
        padding: 12px 16px;
    }
    
    .task-actions {
        gap: 4px;
    }
    
    .btn-icon {
        padding: 6px;
        font-size: 12px;
    }
    
    .task-title {
        font-size: 14px;
    }
    
    .task-description {
        font-size: 12px;
    }
    
    .reorder-toggle {
        display: flex;
        align-items: center;
        gap: 4px;
        font-size: 14px;
    }
    
    .reorder-mode .task-item {
        border-left: 3px solid var(--primary-color);
    }
    
    /* Hide some buttons on mobile to save space */
.task-actions .task-generate-btn {
    display: flex !important; /* The !important flag overrides other display settings */
}


}

/* Mobile-first adjustments */
@media (max-width: 576px) {
    .logo h1 {
        font-size: 20px;
    }
    
    .task-item {
        padding: 12px;
    }
    
    .task-item .task-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .task-actions, .reorder-actions {
        margin-top: 8px;
        width: 100%;
        justify-content: flex-end;
    }
    
    .subtasks-container {
        margin-left: 8px;
        padding-left: 8px;
    }
    
    .modal-content {
        max-width: 100%;
    }
    
    .header-controls {
        gap: 8px;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .task-actions {
        gap: 2px; /* Reduce space between buttons */
    }
    
    .task-actions .btn-icon {
        padding: 5px; /* Smaller padding */
        font-size: 11px; /* Smaller icons */
    }

}

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

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