@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --error: #ef4444;
    --success: #10b981;
    --radius-lg: 20px;
    --radius-md: 12px;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 1.5rem;
}

header {
    background: white;
    padding: 1.25rem;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #f1f5f9;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.05em;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid #f1f5f9;
}

/* Auth Screens */
.auth-container {
    padding-top: 2rem;
}

.tab-group {
    display: flex;
    background: #f1f5f9;
    padding: 0.35rem;
    border-radius: 16px;
    margin-bottom: 2rem;
}

.tab {
    flex: 1;
    padding: 0.75rem;
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 12px;
}

.tab.active {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.form-box {
    display: none;
}

.form-box.active {
    display: block;
}

/* Input Styles */
.input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid #f1f5f9;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 500;
    background: #f8fafc;
}

.password-toggle {
    position: absolute;
    right: 1.25rem;
    top: 2.65rem;
    cursor: pointer;
    font-size: 1.25rem;
    z-index: 10;
}

/* Button Styles */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1.125rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.btn:active {
    transform: scale(0.97);
}

/* Wallet Card (FORCE WHITE) */
.wallet-card {
    background: #1e293b !important;
    color: #ffffff !important;
    padding: 1.75rem;
    border-radius: 24px;
    margin-bottom: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.balance-label {
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    color: #ffffff !important;
    opacity: 0.9 !important;
    margin-bottom: 0.25rem !important;
    display: block !important;
} 

.balance-amount {
    font-size: 2.5rem !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin-bottom: 0.5rem !important;
    display: block !important;
}

.balance-hold {
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    opacity: 0.8 !important;
    display: block !important;
}

/* Nav Grid Improvements */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.nav-item {
    background: white;
    padding: 1.5rem 1rem;
    border-radius: 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-main);
    box-shadow: var(--shadow);
    border: 1px solid #f1f5f9;
}

.nav-item .icon {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    display: block;
}

.nav-item span {
    font-size: 0.875rem;
    font-weight: 700;
}

.error-msg {
    background: #fef2f2;
    color: var(--error);
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid #fee2e2;
    display: none;
}