/* =========================================
   Theme Variables
========================================= */
:root {
    /* Primary Colors */
    --matrix-green: #00A000; /* Softer green */
    --accent-green: #1B5E20;
    --button-hover: #006D40;

    /* Highlight Color */
    --highlight-green: #28A428; /* Darker lime green for highlights */

    /* Background Colors */
    --matrix-dark: #1A1A1A; /* Less harsh than pure black */
    --matrix-light: #E0E0E0; /* Softer light color for better contrast */

    /* Shadow Colors */
    --matrix-shadow: rgba(0, 160, 0, 0.2); /* Reduced opacity for subtler shadows */

    /* Additional Colors for Enhanced Visuals */
    --primary-bg: var(--matrix-dark);
    --secondary-bg: rgba(26, 26, 26, 0.90); /* Changed from rgba(255, 255, 255, 0.05) for better contrast */
    --modal-bg: rgba(26, 26, 26, 0.95); /* Slightly less opaque for better focus */
    --border-color: var(--matrix-green);

    /* Typography */
    --font-family: 'Orbitron', sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.2rem;
    --font-size-xl: 1.8rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;

    /* Transition */
    --transition-speed: 0.3s;

    /* Responsive Breakpoints */
    --tablet-width: 900px;
    --mobile-width: 550px;
}

/* =========================================
   Global Styles
========================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background: radial-gradient(circle, var(--matrix-dark) 0%, #000000 100%);
    color: var(--matrix-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    padding: var(--spacing-lg);
}

/* Matrix Digital Rain Animation */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://upload.wikimedia.org/wikipedia/commons/1/17/Digital_rain_animation_small_letters_clear.gif') repeat;
    opacity: 0.01; /* Further reduced opacity for a more subtle effect */
    z-index: -1;
    animation: digitalRain 120s linear infinite; /* Slower animation for a smoother effect */
}

@keyframes digitalRain {
    from { background-position: 0 0; }
    to { background-position: 0 1000px; }
}

/* Container */
.container {
    width: 100%;
    max-width: 900px; /* Increased max-width for better content display */
    background: var(--primary-bg);
    border-radius: 25px;
    padding: var(--spacing-xl);
    box-shadow: 0 0 30px var(--matrix-shadow); /* Reduced shadow for a less glossy look */
    backdrop-filter: blur(10px); /* Reduced blur for better readability */
    border: 2px solid var(--border-color);
    margin: var(--spacing-xl) 0;
    flex: 1;
    position: relative;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.container:hover {
    transform: scale(1.01);
    box-shadow: 0 0 35px var(--highlight-green);
}

/* Header */
.header {
    background: var(--accent-green);
    color: var(--matrix-light);
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 20px;
    margin-bottom: var(--spacing-xl);
    position: relative;
    box-shadow: 0 0 20px var(--matrix-shadow); /* Reduced shadow for subtlety */
    transition: background var(--transition-speed), box-shadow var(--transition-speed);
}

.header:hover {
    background: var(--highlight-green);
    box-shadow: 0 0 30px var(--highlight-green);
}

.header h1 {
    margin: 0;
    font-size: var(--font-size-xl);
    letter-spacing: 2px;
    text-shadow: 0 0 8px var(--matrix-green); /* Reduced text shadow */
    transition: color var(--transition-speed), text-shadow var(--transition-speed);
    line-height: 1.2;
}

.header:hover h1 {
    color: var(--matrix-dark);
    text-shadow: 0 0 15px var(--matrix-dark);
}

.header img {
    position: absolute;
    top: -40px; /* Adjusted for better proportion */
    left: 50%;
    transform: translateX(-50%);
    width: 70px; /* Reduced size for a less dominant look */
    height: 70px;
    border-radius: 50%;
    background: var(--primary-bg);
    padding: var(--spacing-xs);
    box-shadow: 0 0 15px var(--matrix-green); /* Reduced shadow */
    border: 2px solid var(--matrix-green);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.header img:hover {
    transform: translateX(-50%) scale(1.05);
    box-shadow: 0 0 20px var(--highlight-green);
}

/* Network Selector */
.network-selector {
    position: absolute;
    top: 15px;
    right: 20px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: 8px;
    background: var(--secondary-bg);
    color: var(--matrix-light);
    font-size: 0.9rem;
    cursor: not-allowed; /* Ensured it's non-interactive as disabled */
    transition: background var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: 0 0 8px var(--matrix-shadow); /* Reduced shadow */
}

/* Wallet Info */
.wallet-info {
    background: var(--primary-bg);
    color: var(--matrix-light);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: 0 0 25px var(--matrix-shadow); /* Reduced shadow */
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: opacity 0.5s ease, transform 0.5s ease, background var(--transition-speed);
}

.wallet-info.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}

.wallet-info:not(.hidden) {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.wallet-info .address-line {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.wallet-info .address-line strong {
    margin-right: var(--spacing-sm);
    color: var(--matrix-green);
    font-weight: var(--font-weight-medium);
    flex: 0 0 100px;
}

.wallet-info input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 8px;
    background: var(--secondary-bg);
    color: var(--matrix-light);
    font-size: var(--font-size-base);
    transition: background var(--transition-speed), box-shadow var(--transition-speed);
}

.wallet-info input:focus {
    background: rgba(255, 255, 255, 0.07);
    outline: none;
    box-shadow: 0 0 10px var(--matrix-green);
}

.wallet-info .balance-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.wallet-info .balance-line strong {
    color: var(--matrix-green);
    font-weight: var(--font-weight-medium);
}

.wallet-info .balance {
    font-weight: var(--font-weight-bold);
    color: var(--highlight-green);
}

.wallet-info p {
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
    text-shadow: 0 0 3px var(--matrix-green); /* Reduced text shadow */
}

/* Action Buttons */
.button-group {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.action-btn {
    flex: 1 1 calc(25% - var(--spacing-sm)); /* Adjusted for four buttons */
    min-width: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    background: var(--matrix-green);
    color: var(--matrix-dark);
    transition: transform var(--transition-speed), background var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    box-shadow: 0 0 12px var(--matrix-shadow); /* Reduced shadow */
}

.action-btn img, .action-btn i {
    width: 24px;
    height: 24px;
}

.action-btn:hover {
    background: var(--highlight-green);
    color: var(--matrix-light);
    transform: scale(1.03); /* Slightly reduced scale for less gloss */
    box-shadow: 0 0 18px var(--highlight-green);
}

.action-btn:active {
    transform: scale(0.98);
    box-shadow: 0 0 15px var(--highlight-green);
}

/* Specific Styles for Copy Buttons */
.copy-btn {
    color: var(--matrix-green);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.copy-btn:hover {
    color: var(--highlight-green);
    transform: scale(1.1);
}

/* Tabs */
.tab-container {
    background: var(--matrix-dark);
    border-radius: 15px;
    box-shadow: 0 0 20px var(--matrix-shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
    transition: box-shadow var(--transition-speed);
}

.tab-container:hover {
    box-shadow: 0 0 25px var(--highlight-green);
}

.tab {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: var(--accent-green);
}

.tab button {
  
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--matrix-dark);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition-speed), color var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.tab button.active {
    background: var(--highlight-green);
    border-bottom: 3px solid var(--matrix-green);
    color: var(--matrix-dark);
    font-weight: var(--font-weight-medium);
}

.tab button:hover:not(.active) {
    background: var(--button-hover);
    color: var(--matrix-light);
}

.tabcontent {
    display: none;
    padding: var(--spacing-lg);
    background: var(--primary-bg);
    color: var(--matrix-light);
    border-radius: 0 0 15px 15px;
    box-shadow: 0 0 20px var(--matrix-shadow);
    transition: background var(--transition-speed), color var(--transition-speed);
}

.tabcontent.active {
    display: block;
}

/* Portfolio Tab Specific Styles */
.portfolio-tab {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--primary-bg);
    color: var(--matrix-light);
}

.portfolio-item {
    background: var(--secondary-bg);
    padding: var(--spacing-sm);
    border-radius: 12px;
    box-shadow: 0 0 18px var(--matrix-shadow); /* Reduced shadow */
    transition: transform var(--transition-speed), background var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.portfolio-item:hover {
    background: var(--highlight-green);
    transform: translateY(-5px);
    box-shadow: 0 0 22px var(--highlight-green);
}

/* Token List */
.token-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.token {
    flex: 1 1 200px;
    background: var(--secondary-bg);
    padding: var(--spacing-md);
    border-radius: 15px;
    cursor: pointer;
    transition: background var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: 0 0 12px var(--matrix-shadow); /* Reduced shadow */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.token:hover {
    background: var(--highlight-green);
    transform: translateY(-5px);
    box-shadow: 0 0 18px var(--highlight-green);
}

.token-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: nowrap;
}

.token-logo {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-sm);
}

.token h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--matrix-light);
    text-shadow: 0 0 5px var(--matrix-green);
}

.token h4 span {
    font-size: 1.1rem;
    color: var(--highlight-green);
    font-weight: var(--font-weight-bold);
}

.token-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.token-action-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--matrix-green);
    color: var(--matrix-dark);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: 0 0 10px var(--matrix-shadow);
}

.token-action-btn:hover {
    background: var(--highlight-green);
    color: var(--matrix-light);
    transform: scale(1.05);
    box-shadow: 0 0 15px var(--highlight-green);
}

.token-action-btn:active {
    transform: scale(0.98);
    box-shadow: 0 0 12px var(--highlight-green);
}

/* Exchange and Bridge Sections */
.exchange-section, .bridge-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.exchange-btn, .bridge-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-green);
    color: var(--matrix-light);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: 0 0 12px var(--matrix-shadow); /* Reduced shadow */
}

.exchange-btn:hover, .bridge-btn:hover {
    background: var(--highlight-green);
    transform: scale(1.02);
    box-shadow: 0 0 18px var(--highlight-green);
}

.exchange-btn:active, .bridge-btn:active {
    transform: scale(0.98);
    box-shadow: 0 0 15px var(--highlight-green);
}

/* Settings Section */
.settings-section form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.settings-section label {
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
    color: var(--matrix-green);
    text-shadow: 0 0 3px var(--matrix-green);
}

.settings-section input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 8px;
    background: var(--secondary-bg);
    color: var(--matrix-light);
    font-size: var(--font-size-base);
    transition: background var(--transition-speed), box-shadow var(--transition-speed);
}

.settings-section input:focus {
    background: rgba(255, 255, 255, 0.07);
    outline: none;
    box-shadow: 0 0 15px var(--matrix-green);
}

.settings-section button.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--matrix-green);
    color: var(--matrix-dark);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    align-self: flex-start;
    box-shadow: 0 0 15px var(--matrix-shadow);
}

.settings-section button.btn:hover {
    background: var(--highlight-green);
    color: var(--matrix-light);
    transform: scale(1.02);
    box-shadow: 0 0 20px var(--highlight-green);
}

.settings-section button.btn:active {
    transform: scale(0.98);
    box-shadow: 0 0 17px var(--highlight-green);
}

/* Logout Button */
.logout-btn {
    background: var(--accent-green);
    color: var(--matrix-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    width: 100%;
    box-shadow: 0 0 15px var(--matrix-shadow);
}

.logout-btn:hover {
    background: var(--highlight-green);
    transform: scale(1.02);
    box-shadow: 0 0 20px var(--highlight-green);
}

.logout-btn:active {
    transform: scale(0.98);
    box-shadow: 0 0 17px var(--highlight-green);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    color: var(--matrix-light);
    font-size: 0.9rem;
    text-shadow: 0 0 3px var(--matrix-green);
    transition: color var(--transition-speed);
}

.footer:hover {
    color: var(--highlight-green);
    text-shadow: 0 0 5px var(--highlight-green);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.7); /* Darker backdrop */
    padding-top: var(--spacing-xl);
    transition: opacity var(--transition-speed);
}

.modal-content {
    background: var(--modal-bg);
    margin: auto;
    padding: var(--spacing-lg);
    border-radius: 15px;
    width: 90%;
    max-width: 600px; /* Increased max-width for better content display */
    position: relative;
    box-shadow: 0 0 25px var(--matrix-green); /* Reduced shadow */
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.modal-content:hover {
    box-shadow: 0 0 30px var(--highlight-green);
}

.close {
    color: var(--matrix-light);
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    font-size: 1.8rem; /* Increased size for better visibility */
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.close:hover,
.close:focus {
    color: var(--highlight-green);
    transform: scale(1.2);
}

#qrcode {
    display: flex;
    justify-content: center;
    margin: var(--spacing-md) 0;
}

#qr-wallet-address {
    text-align: center;
    word-break: break-all;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--matrix-light);
    text-shadow: 0 0 5px var(--matrix-green);
}

#qrcode-modal .copy-btn {
    color: var(--matrix-green);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color var(--transition-speed), transform var(--transition-speed);
}

#qrcode-modal .copy-btn:hover {
    color: var(--highlight-green);
    transform: scale(1.1);
}

#token-chart {
    width: 100%;
    height: 400px; /* Increased height for better visibility */
}

/* Loader Styles */
.loader {
    border: 8px solid #2a2a2a; /* Changed from #f3f3f3 to a darker shade for consistency */
    border-top: 8px solid var(--matrix-green);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */

/* Tablets */
@media (min-width: 551px) and (max-width: 900px) {
    .container {
        padding: var(--spacing-lg);
    }
    .header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    .header img {
        top: -45px;
        width: 80px;
        height: 80px;
    }
    .wallet-info {
        padding: var(--spacing-lg);
    }
    .action-btn {
        flex: 1 1 calc(33.333% - var(--spacing-sm)); /* Adjusted for three buttons */
        padding: var(--spacing-sm) var(--spacing-md);
        min-width: 110px;
    }
    .wallet-info input {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    .footer {
        font-size: 0.85rem;
    }
    .button-group {
        gap: var(--spacing-md);
    }
    .tab button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }
    .exchange-section button, .bridge-section button {
        max-width: 100%;
    }
    .token {
        flex: 1 1 180px;
    }
}

/* Mobile Devices */
@media (max-width: 550px) {
    .container {
        padding: var(--spacing-md);
    }
    .header {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    .header h1 {
        font-size: 1.6rem; /* Slightly reduced for better fit */
    }
    .header img {
        top: -35px;
        width: 60px;
        height: 60px;
    }
    .wallet-info {
        padding: var(--spacing-md);
    }
    .action-btn {
        flex: 1 1 100%;
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 100px;
    }
    .wallet-info input {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    .footer {
        font-size: 0.8rem;
    }
    .button-group {
        gap: var(--spacing-md);
    }
    .tab button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    .exchange-section button, .bridge-section button {
        max-width: 100%;
    }
    .token {
        flex: 1 1 100%;
    }
}

/* Hidden Class */
.hidden {
    display: none;
}

/* Smooth Transitions for Showing/Hiding Forms */
.wallet-info {
    transition: opacity 0.5s ease, transform 0.5s ease, background var(--transition-speed);
}

.wallet-info.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}

.wallet-info:not(.hidden) {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

/* Accessible Focus States */
button:focus, .action-btn:focus, .exchange-btn:focus, .bridge-btn:focus, .logout-btn:focus, .settings-section button.btn:focus, .network-selector:focus {
    outline: 2px solid var(--highlight-green);
    outline-offset: 2px;
}

/* Improved Touch Targets for Mobile */
@media (max-width: 550px) {
    .action-btn, .exchange-btn, .bridge-btn, .logout-btn, .settings-section button.btn {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 1rem;
    }
}

/* Icons Replacement */
/* Example: Adding an icon to the header */
.header::before {
    content: '';
    display: inline-block;
    width: 30px;
    height: 30px;
    background-image: url('path/to/icon.png'); /* Replace with your icon path */
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}

/* Example: Adding icons to action buttons */
.action-btn::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background-image: url('path/to/icon.png'); /* Replace with your icon path */
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: var(--spacing-xs);
}

/* Multi-Chain Tabs */
.chain-tabs {
    display: flex;
    margin-top: var(--spacing-lg);
    gap: var(--spacing-md);
    justify-content: center;
}

.chain-tab-button {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 12px;
    background: var(--matrix-dark);
    color: black;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition-speed), color var(--transition-speed);
}

.chain-tab-button.active {
    background: var(--highlight-green);
    color: var(--matrix-dark);
    border: 2px solid var(--matrix-green);
}

.chain-tab-button:hover {
    background: var(--button-hover);
}

/* Responsive Design for Multi-Chain Integration */
@media (max-width: 900px) {
    .chain-selector {
        flex-direction: column;
        align-items: center;
    }
    .chain-tabs {
        flex-direction: column;
    }
}