:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-glow: rgba(139, 92, 246, 0.4);
    --success: #10b981;
    --danger: #ef4444;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --nav-bg: rgba(15, 23, 42, 0.9);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --radius-xl: 30px;
    --radius-lg: 20px;
    --radius-md: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: calc(85px + var(--safe-area-bottom));
    overflow-x: hidden;
    position: relative;
}

/* Dynamic Background Blobs */
body::before,
body::after {
    content: '';
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    z-index: -1;
    filter: blur(80px);
    opacity: 0.2;
    animation: pulse 10s infinite alternate;
}

body::before {
    top: -50px;
    right: -50px;
    background: var(--primary);
}

body::after {
    bottom: 50px;
    left: -50px;
    background: #3b82f6;
    animation-delay: 2s;
}

@keyframes pulse {
    0% {
        transform: scale(1) translate(0, 0);
    }

    100% {
        transform: scale(1.2) translate(20px, 30px);
    }
}

/* Layout Containers */
.container {
    padding: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Logo Brading */
.branding {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 2rem;
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-text {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Premium Card Effects */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

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

/* Typography */
h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Dashboard Specifics */
.main-balance {
    font-size: 3rem;
    font-weight: 900;
    margin: 0.5rem 0 1.5rem 0;
    background: linear-gradient(to bottom, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.summary-card {
    margin-bottom: 2.5rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 800;
}

.income .stat-value {
    color: var(--success);
}

.expense .stat-value {
    color: var(--danger);
}

/* Bottom Nav - Native Look */
.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    height: 70px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-item ion-icon {
    font-size: 1.6rem;
    transition: inherit;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.active ion-icon {
    transform: translateY(-2px);
}

.nav-item.add-btn {
    transform: translateY(-35px);
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    justify-content: center;
    box-shadow: 0 10px 25px var(--primary-glow);
    border: 4px solid var(--bg-color);
}

.nav-item.add-btn ion-icon {
    font-size: 2.2rem;
}

.t-actions button {
    transition: all 0.2s;
    opacity: 0.7;
}

.t-actions button:hover {
    opacity: 1;
    transform: scale(1.1);
}

.t-actions button:active {
    transform: scale(0.9);
}

/* Animations */
.view {
    display: none;
    animation: viewIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.view.active {
    display: block;
}

@keyframes viewIn {
    from {
        opacity: 0;
        transform: scale(0.98) translateY(10px);
    }

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

/* Forms & Inputs */
input,
select,
textarea {
    width: 100%;
    padding: 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.btn-primary {
    width: 100%;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 800;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    box-shadow: 0 8px 20px var(--primary-glow);
    transition: all 0.3s;
}

.btn-primary:active {
    transform: scale(0.95);
}

/* Transactions */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.transaction-item:active {
    transform: scale(0.98);
}

.t-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.t-icon {
    width: 45px;
    height: 45px;
    border-radius: 14px;
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.t-desc {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 2px;
}

.t-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.t-amount {
    font-weight: 800;
    font-size: 1.1rem;
}

/* Charts */
.chart-container {
    width: 100%;
    height: 250px;
    margin-top: 1.5rem;
}