:root {
            --bg-primary: #F5F5F5;
            --bg-secondary: #ffffff;
            --text-primary: #333333;
            --border-color: #ddd;
        }

        .dark-theme {
            --bg-primary: #1a1a1a;
            --bg-secondary: #2d2d2d;
            --text-primary: #ffffff;
            --border-color: #404040;
        }

        body {
            font-family: 'Segoe UI', 'Calibri', sans-serif;
            margin: 0;
            padding: 20px;
            background: var(--bg-primary);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 140px;
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

        .main-container {
            display: flex;
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }

        .sidebar {
            width: 20%;
            background: var(--bg-secondary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            border-radius: 8px;
            padding: 20px;
            height: fit-content;
        }

        .notepad-container {
            width: 80%;
            background: var(--bg-secondary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            border-radius: 8px;
            padding: 20px;
            flex-grow: 1;
        }

        #notepad {
            width: 100%;
            height: 70vh;
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 16px;
            line-height: 1.6;
            resize: vertical;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Calibri', sans-serif;
            background: var(--bg-secondary);
            color: var(--text-primary);
        }

        .status {
            margin-top: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }

        .stats {
            font-size: 0.9em;
        }

        .save-status {
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .save-status.visible {
            opacity: 1;
        }

        .saved-notes {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .note-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            position: relative;
        }

        .note-item .delete-btn {
            opacity: 0;
            transition: opacity 0.2s ease;
            background: none;
            border: none;
            color: #ff4444;
            cursor: pointer;
            padding: 4px 8px;
            font-size: 14px;
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
        }

        .note-item:hover .delete-btn {
            opacity: 1;
        }

        .note-item .delete-btn:hover {
            color: #ff0000;
        }

        .note-content {
            padding-right: 30px;
            overflow: hidden;
            text-overflow: ellipsis;
            width: 100%;
        }

        .controls {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-secondary);
            padding: 15px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 1000;
            border-top: 1px solid var(--border-color);
        }

        .control-row {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .control-btn {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 10px 20px;
            border-radius: 4px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: inherit;
        }

        .control-btn:hover {
            opacity: 0.9;
        }

        .control-btn.active {
            background: #4a90e2;
            color: white;
        }

        @media (max-width: 768px) {
            .main-container {
                flex-direction: column;
            }

            .sidebar, .notepad-container {
                width: 100%;
            }

            body {
                padding: 10px;
                padding-bottom: 180px;
            }

            .control-row {
                flex-direction: column;
            }

            .control-btn {
                justify-content: center;
            }
        }
        .note-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .note-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .timestamp {
            font-size: 0.75em;
            color: #666;
            font-style: italic;
        }

        .dark-theme .timestamp {
            color: #999;
        }

        .note-content {
            padding-right: 30px;
            overflow: hidden;
            text-overflow: ellipsis;
            width: 100%;
        }
                .reminder-dialog {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            z-index: 1001;
            width: 90%;
            max-width: 400px;
            display: none;
        }

        .reminder-dialog.visible {
            display: block;
        }

        .reminder-buttons {
            display: flex;
            gap: 10px;
            margin-top: 15px;
            flex-wrap: wrap;
        }

        .reminder-btn {
            background: #4a90e2;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .reminder-btn.cancel {
            background: #666;
        }

        .reminder-list {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .reminder-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 4px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .reminder-text {
            flex: 1;
            margin-right: 10px;
        }

        .reminder-time {
            font-size: 0.8em;
            color: #666;
        }

        .dark-theme .reminder-time {
            color: #999;
        }

        .reminder-delete {
            background: none;
            border: none;
            color: #ff4444;
            cursor: pointer;
            padding: 4px 8px;
        }

        .reminder-notification {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #4CAF50;
            color: white;
            padding: 10px 20px;
            border-radius: 4px;
            display: none;
            z-index: 1002;
        }

        .reminder-notification.visible {
            display: block;
            animation: fadeInOut 3s forwards;
        }

        @keyframes fadeInOut {
            0% { opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { opacity: 0; }
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            display: none;
            z-index: 1000;
        }

        .overlay.visible {
            display: block;
        }
        .time-picker {
            display: flex;
            gap: 10px;
            align-items: center;
            margin: 15px 0;
        }

        .time-input {
            padding: 8px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            width: 70px;
            background: var(--bg-secondary);
            color: var(--text-primary);
        }

        .time-label {
            font-size: 14px;
            color: var(--text-primary);
        }

        .reminder-dialog {
            min-width: 300px;
            padding: 20px;
        }

        .reminder-preview {
            margin: 10px 0;
            padding: 10px;
            background: var(--bg-primary);
            border-radius: 4px;
            font-size: 14px;
            max-height: 80px;
            overflow-y: auto;
            border: 1px solid var(--border-color);
        }

        .time-error {
            color: #ff4444;
            font-size: 12px;
            margin-top: 5px;
            display: none;
        }

        .time-error.visible {
            display: block;
        }
        .title-input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.search-container {
    margin-bottom: 15px;
    width: 100%;
}

.search-input {
    width: 90%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.highlight {
    background-color: rgba(255, 255, 0, 0.3);
}

.no-results {
    font-style: italic;
    color: #888;
    padding: 10px 0;
}
.acknowledgments-container {
    margin-top: 30px;
    background: var(--bg-secondary);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 20px;
    width: 100%;
}

.acknowledgments-container h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4a90e2;
    margin-top: 0;
}

.acknowledgments-intro {
    font-style: italic;
    margin-bottom: 15px;
}

.acknowledgments-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 12px;
    border-radius: 6px;
    background: var(--bg-primary);
    border-left: 4px solid #4a90e2;
}

.feature-icon {
    font-size: 24px;
    color: #4a90e2;
    margin-top: 5px;
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-weight: bold;
    margin-bottom: 5px;
}

.feature-description {
    margin-bottom: 8px;
    line-height: 1.5;
}

.feature-requester {
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 5px;
    color: #666;
}

.dark-theme .feature-requester {
    color: #aaa;
}

.feature-date {
    font-size: 0.8em;
    color: #888;
}

@media (max-width: 768px) {
    .feature-item {
        flex-direction: column;
    }
    
    .feature-icon {
        display: none;
    }
}