:root {
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --accent-color: #E95420; /* Ubuntu Orange */
    --accent-hover: #ff6b35;
    --card-bg: #1e1e1e;
    --border-color: #333;
    --font-mono: 'Fira Code', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    line-height: 1.6;
    padding: 2rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Typography */
h1 {
    color: var(--accent-color);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

a {
    color: var(--accent-color);
    font-weight: bolder;
}

.highlight {
    color: var(--accent-color);
    word-break: break-all;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 3rem;
}

/* Triad Section */
.triad-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(233, 84, 32, 0.2);
}

.active-card {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(233, 84, 32, 0.1);
}

.label {
    display: inline-block;
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

/* Alert Box */
.alert-box {
    background-color: rgba(233, 84, 32, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: 1rem 1.5rem;
    margin-bottom: 3rem;
    border-radius: 0 8px 8px 0;
}

/* Portal Section */
.portal-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
}

.wallet-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    gap: 1rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.wallet-info {
    background-color: #1a1a1a;
    padding: 1rem;
    border-radius: 8px;
    border: 1px dashed var(--accent-color);
    min-width: 250px;
}

.hidden {
    display: none !important;
}

.contract-info {
    margin-bottom: 2rem;
    background-color: #0a0a0a;
    padding: 1rem;
    border-radius: 4px;
    border-left: 2px solid #555;
}

.bank-stats {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: #1a1a1a;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2.5rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* Transaction Controls */
.transaction-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.action-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input[type="number"] {
    background-color: #121212;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.8rem 1rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s;
}

input[type="number"]:focus {
    border-color: var(--accent-color);
}

/* Buttons */
.btn {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.primary-btn {
    background-color: var(--accent-color);
    color: #fff;
}

.primary-btn:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 15px rgba(233, 84, 32, 0.4);
}

.action-btn {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.action-btn:hover {
    background-color: rgba(233, 84, 32, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.toast {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    font-family: var(--font-mono);
    animation: slideIn 0.3s ease-out forwards;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toast.success {
    border-left-color: #4CAF50;
}

.toast.error {
    border-left-color: #F44336;
}

.toast.info {
    border-left-color: #2196F3;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .wallet-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .wallet-info {
        text-align: center;
    }
}