:root {
    /* Light Mode Variables */
    --bg-main: #f8f9fb;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --text-dark: #1a1d21;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --primary-blue: #dbeafe;
    --primary-blue-text: #1e40af;
    --accent-black: #000000;
    --green-light: #dcfce7;
    --green-text: #166534;
    --red-light: #fee2e2;
    --red-text: #991b1b;
}

/* Dark Mode Variables applied when .dark-theme is on body */
body.dark-theme {
    --bg-main: #111827;
    --bg-card: #1f2937;
    --bg-sidebar: #1f2937;
    --text-dark: #f9fafb;
    --text-muted: #9ca3af;
    --border-color: #374151;
    --primary-blue: #374151;
    --primary-blue-text: #60a5fa;
    --accent-black: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    transition: background-color 0.3s, color 0.3s;
}

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid #e5e7eb;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.logo i { font-size: 24px; }
.logo h2 { font-size: 18px; font-weight: 700; }
.logo p { font-size: 12px; color: var(--text-muted); }

.nav-menu { flex: 1; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-muted);
    border-radius: 8px;
    margin-bottom: 8px;
    font-weight: 500;
    transition: all 0.2s;
}
.nav-item:hover, .nav-item.active {
    background-color: var(--primary-blue);
    color: var(--primary-blue-text);
}

.add-btn {
    background-color: var(--accent-black);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}
body.dark-theme .add-btn { background-color: #3b82f6; }

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 16px 32px;
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
}
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-main);
    padding: 10px 16px;
    border-radius: 8px;
    width: 400px;
}
.search-bar input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    color: var(--text-dark);
}
.user-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--text-muted);
}
.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 1px solid var(--border-color);
    padding-left: 20px;
}
.user-info { display: flex; flex-direction: column; align-items: end;}
.user-info .name { font-size: 14px; font-weight: 600; color: var(--text-dark);}
.user-info .plan { font-size: 12px; }
.user-profile img { width: 36px; height: 36px; border-radius: 50%; }

/* Views Toggle */
.view-section { display: none; padding: 32px; }
.view-section.active { display: block; }

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
}
.page-header h1 { font-size: 28px; margin-bottom: 4px; }
.page-header p { color: var(--text-muted); font-size: 14px; }
.header-actions { display: flex; gap: 12px; }

/* Buttons */
.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}
.saveTrans {
    background: var(--accent-black);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    margin-top: 16px;
    width: 100%;
}


/* Cards */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    position: relative;
}
.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.bg-blue { background: var(--primary-blue); color: var(--primary-blue-text); }
.bg-green { background: var(--green-light); color: var(--green-text); }
.bg-red { background: var(--red-light); color: var(--red-text); }

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 20px;
    font-weight: 600;
}
.badge.positive { background: var(--green-light); color: var(--green-text); }
.badge.negative { background: var(--red-light); color: var(--red-text); }
.badge.neutral { background: var(--border-color); color: var(--text-muted); }

.card p { color: var(--text-muted); font-size: 14px; margin-bottom: 4px; }
.card h3 { font-size: 24px; }

/* Grid Layouts */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

/* Tables */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--border-color); color: var(--text-muted); font-size: 12px; }
td { padding: 16px 8px; border-bottom: 1px solid var(--border-color); font-size: 14px; }
.tag { background: var(--bg-main); padding: 4px 8px; border-radius: 4px; font-size: 12px; }
.text-red { color: var(--red-text); font-weight: 600;}
.text-green { color: var(--green-text); font-weight: 600;}
.status::before { content: "• "; }
.status.complete { color: var(--green-text); }
.status.pending { color: var(--text-muted); }

/* Charts & Progress */
.chart-area { height: 200px; background: var(--bg-main); border-radius: 8px; margin-top: 16px; }
.progress-group { margin-bottom: 16px; }
.progress-labels { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 6px; }
.progress-bar { height: 6px; background: var(--border-color); border-radius: 3px; overflow: hidden; }
.progress-bar .fill { height: 100%; }

/* Dark Summary Card */
.summary-card.dark {
    background-color: #1a1d21;
    color: #fff;
    border: none;
}
.summary-card.dark p { color: #a0a0a0; }
.summary-stats { display: flex; gap: 24px; margin-top: 20px; }
.summary-stats small { color: #a0a0a0; font-size: 10px; letter-spacing: 1px;}
.summary-stats h4 { font-size: 20px; margin-top: 4px; }

/* Settings Form */
.icon-title { display: flex; align-items: center; gap: 12px; }
.icon-title .card-icon { margin-bottom: 0; }
.form-row { display: flex; gap: 16px; margin-bottom: 16px; }
.form-group { flex: 1; display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px;}
.form-group label { font-size: 14px; font-weight: 500; }
.form-group input, .form-group textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-main);
    color: var(--text-dark);
}

/* Toggles & Selects */
.preference-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}
.preference-item:last-child { border-bottom: none; }
.preference-item h4 { font-size: 15px; }
.preference-item p { font-size: 13px; color: var(--text-muted); }

/* Switch Toggle CSS */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc; transition: .4s;
}
.slider:before {
    position: absolute; content: ""; height: 18px; width: 18px;
    left: 3px; bottom: 3px; background-color: white; transition: .4s;
}
input:checked + .slider { background-color: var(--accent-black); }
body.dark-theme input:checked + .slider { background-color: #3b82f6; }
input:checked + .slider:before { transform: translateX(20px); }
.slider.round { border-radius: 24px; }
.slider.round:before { border-radius: 50%; }

.currency-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-main);
    color: var(--text-dark);
}

.data-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
}
.data-btn i { font-size: 20px; }
.text-left { text-align: left; }

/* --- NEW MODAL & ACTION STYLES --- */
.action-btn {
    background: none; border: none; cursor: pointer; padding: 4px 8px;
    border-radius: 4px; font-size: 14px; transition: 0.2s;
}
.btn-edit { color: var(--primary-blue-text); }
.btn-edit:hover { background: var(--primary-blue); }
.btn-delete { color: var(--red-text); }
.btn-delete:hover { background: var(--red-light); }

/* Modal Overlay */
.modal {
    display: none; position: fixed; z-index: 1000; left: 0; top: 0;
    width: 100%; height: 100%; background-color: rgba(0,0,0,0.5);
    align-items: center; justify-content: center;
}
.modal.active { display: flex; }
.modal-content {
    background-color: var(--bg-card); padding: 24px; border-radius: 12px;
    width: 100%; max-width: 400px; box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;}
.close-modal { font-size: 24px; cursor: pointer; color: var(--text-muted); }
.close-modal:hover { color: var(--text-dark); }
select {
    padding: 10px; border: 1px solid var(--border-color); border-radius: 6px;
    background: var(--bg-main); color: var(--text-dark); font-family: inherit; width: 100%;
}