:root {
    /* Premium FinTools Palette */
    --bg-dark: #020617;
    --bg-card: rgba(15, 23, 42, 0.6);
    --bg-sidebar: rgba(2, 6, 23, 0.8);

    /* Vibrant Premium Accents */
    --primary-color: #8c25f4;
    /* Premium Purple */
    --primary-glow: rgba(140, 37, 244, 0.4);
    --secondary-color: #13ec80;
    /* Neon Teal */
    --secondary-glow: rgba(19, 236, 128, 0.4);
    --accent-color: #f472b6;
    /* Pink Accent */
    --success-color: #10b981;
    --danger-color: #ef4444;

    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Advanced Glassmorphism */
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-highlight: 1px solid rgba(255, 255, 255, 0.15);

    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 15px var(--primary-glow);

    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(245, 158, 11, 0.05), transparent 25%);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

#app {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border-right: var(--glass-border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    z-index: 10;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 0 10px var(--primary-glow);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nav-item {
    padding: 0.85rem 1.25rem;
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    transform: translateX(5px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(140, 37, 244, 0.2), rgba(19, 236, 128, 0.1));
    color: white;
    border: var(--glass-highlight);
    box-shadow: 0 0 20px rgba(140, 37, 244, 0.15);
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem;
    position: relative;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent 40%);
}

.page-header {
    margin-bottom: 2.5rem;
    animation: fadeIn 0.5s ease-out;
}

.page-title {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    border: var(--glass-border);
    border-radius: 1.5rem;
    padding: 1.75rem;
    box-shadow: var(--shadow-main);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.clickable-card {
    cursor: pointer;
    border: var(--glass-border);
}

.clickable-card:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(140, 37, 244, 0.1), rgba(15, 23, 42, 0.8));
    box-shadow: 0 0 30px rgba(140, 37, 244, 0.2);
}

.card-icon-large {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    text-transform: none;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: var(--glass-border);
    border-radius: 0.75rem;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    background: rgba(15, 23, 42, 0.9);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 1rem;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: var(--glass-border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Typography & Utilities */
.text-success {
    color: var(--success-color);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.text-danger {
    color: var(--danger-color);
    text-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

.text-primary {
    color: var(--primary-color);
}

.text-right {
    text-align: right;
}

.font-bold {
    font-weight: 700;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.w-full {
    width: 100%;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    #app {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        padding: 1rem;
        flex-direction: row;
        overflow-x: auto;
    }

    .nav-links {
        flex-direction: row;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: 1.5rem;
    }
}