@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&display=swap');

:root {
    /* Color Palette - PocketSmith Inspired */
    --color-bg: #FFF4EE; /* Warm cream-peach */
    --color-bg-alt: #F3EFF5; /* Soft lavender */
    --color-brand: #4A1B6D; /* Deep purple */
    --color-brand-dark: #2E1E38; /* Dark panel bg */
    --color-brand-light: #F0E8F5; /* Light purple for hovers */
    --color-accent-purple: #7C3A8D;
    --color-accent-blue: #5176C1;
    --color-accent-coral: #EC8F6B;
    --color-accent-yellow: #F5D686;
    --color-positive: #52AD8C;
    --color-negative: #E08272;
    --color-text: #2E1E38;
    --color-text-muted: #7A6B88;
    --color-white: #FFFFFF;
    
    /* UI Dimensions & Shadows */
    --border-radius-card: 14px;
    --border-radius-pill: 9999px;
    --shadow-card: 0 4px 20px rgba(74, 27, 109, 0.06);
    --shadow-hover: 0 8px 30px rgba(74, 27, 109, 0.12);
    --transition-speed: 0.2s;
    
    /* Fonts */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-brand);
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

a {
    color: var(--color-brand);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--color-accent-purple);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    max-width: 1500px;
    margin: 0 auto;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background-color: var(--color-white);
    border-right: 1px solid rgba(74, 27, 109, 0.1);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 10;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-brand);
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--color-accent-coral);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius-pill);
    color: var(--color-text-muted);
    font-weight: 500;
    transition: all var(--transition-speed);
}

.nav-links a:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-brand);
}

.nav-links a.active {
    background-color: var(--color-brand);
    color: var(--color-white);
}

/* Budgeting CTA */
.nav-budget-btn {
    margin-top: 2rem;
    background-color: var(--color-accent-coral);
    color: var(--color-white) !important;
    text-align: center;
    justify-content: center;
    font-weight: 600 !important;
}
.nav-budget-btn:hover {
    background-color: #d87e5b !important;
    color: white !important;
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 2.5rem 3rem;
    max-width: 1200px;
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2.5rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-white);
    padding: 8px 16px 8px 8px;
    border-radius: var(--border-radius-pill);
    box-shadow: var(--shadow-card);
    cursor: pointer;
}

.avatar {
    width: 40px;
    height: 40px;
    background-color: var(--color-brand-light);
    color: var(--color-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

/* UI Components */
.card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-card);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.card-dark {
    background-color: var(--color-brand-dark);
    color: var(--color-white);
}

.card-dark h1, .card-dark h2, .card-dark h3 {
    color: var(--color-white);
}

.card-alert {
    background-color: var(--color-accent-yellow);
    border: none;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.card-alert h4 {
    margin-bottom: 4px;
    color: var(--color-brand-dark);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: none;
    gap: 8px;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-brand);
    color: var(--color-brand);
}

.btn-outline:hover {
    background-color: var(--color-brand-light);
}

/* Financial Values Typography */
.value-positive {
    color: var(--color-positive);
    font-weight: 600;
}
.value-negative {
    color: var(--color-accent-coral);
    font-weight: 600;
}
.value-neutral {
    color: var(--color-text);
    font-weight: 600;
}

/* Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Net Worth Badge */
.net-worth-badge {
    display: inline-flex;
    background: var(--color-white);
    border-radius: var(--border-radius-pill);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    margin-top: 10px;
}
.nw-part {
    padding: 12px 24px;
    display: flex;
    flex-direction: column;
}
.nw-part .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}
.nw-part .val {
    font-size: 1.25rem;
    font-weight: 700;
}
.nw-assets {
    background-color: rgba(82, 173, 140, 0.1);
}
.nw-assets .val {
    color: var(--color-positive);
}
.nw-liabs {
    background-color: rgba(236, 143, 107, 0.1);
}
.nw-liabs .val {
    color: var(--color-negative);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Utility */
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* Login Page Specifics */
.login-page {
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-hover);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    text-align: center;
}
.login-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-bg-alt);
    border-radius: 8px;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-family: var(--font-body);
    transition: border-color var(--transition-speed);
}
.login-input:focus {
    outline: none;
    border-color: var(--color-brand);
}

/* Spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-bg-alt);
    border-top: 4px solid var(--color-brand);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Hide elements initially */
.hidden { display: none !important; }

/* Mobile and Tablet Responsiveness */
@media (max-width: 600px) {
    .app-container {
        display: block;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        bottom: 0;
        left: 0;
        top: auto;
        border-right: none;
        border-top: 1px solid rgba(74, 27, 109, 0.1);
        padding: 10px;
        display: block;
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.05);
    }
    .sidebar .logo {
        display: none;
    }
    .nav-links {
        flex-direction: row;
        overflow-x: auto;
        gap: 8px;
        margin-bottom: 0;
        padding-bottom: 5px;
        width: 100%;
        -webkit-overflow-scrolling: touch;
    }
    .nav-links::-webkit-scrollbar {
        display: none;
    }
    .nav-links li {
        flex-shrink: 0;
    }
    .nav-links a {
        padding: 8px 14px;
        font-size: 0.85rem;
        white-space: nowrap;
    }
    .nav-budget-btn {
        margin-top: 0;
    }
    .main-content {
        margin-left: 0;
        padding: 1.5rem 1rem;
        margin-bottom: 80px; /* space for bottom nav */
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .net-worth-badge {
        flex-direction: row;
        width: 100%;
        justify-content: space-between;
    }
    .flex-between {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .flex-between > div {
        width: 100%;
    }
    .login-card {
        padding: 2rem 1.5rem;
    }
}