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

:root {
    --visa-blue: #1A1F71;
    --visa-gold: #FAFF00;
    --success: #00D94F;
    --error: #FF4444;
    --warning: #FFAA00;
    --bg-dark: #0a0a1a;
    --bg-card: #12121f;
    --border: #2a2a4a;
    --text: #e0e0ff;
    --text-muted: #8888aa;
}

body {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0d0d1f 50%, #0f0f25 100%);
    min-height: 100vh;
    color: var(--text);
    padding: 15px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--visa-blue) 0%, #0a0f4a 100%);
    padding: 20px 25px;
    border-radius: 12px;
    border-bottom: 4px solid var(--visa-gold);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1 {
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header .logo-img {
    width: 50px;
    height: auto;
    background: white;
    border-radius: 4px;
    padding: 3px;
}

.company-info {
    background: rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 8px;
    text-align: center;
}

.company-info .name {
    font-weight: bold;
    font-size: 0.85rem;
}

.company-info .env {
    font-size: 0.7rem;
    color: var(--visa-gold);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(0, 217, 79, 0.15);
    border: 1px solid var(--success);
    border-radius: 20px;
    font-size: 0.85rem;
}

.status-badge .dot {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Login Form */
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    max-width: 400px;
    margin: 50px auto;
}

.login-card h2 {
    color: var(--visa-gold);
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: 'Courier New', monospace;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--visa-gold);
}

.btn {
    width: 100%;
    padding: 12px;
    background: var(--visa-gold);
    color: var(--visa-blue);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(250, 255, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.btn-secondary {
    background: linear-gradient(135deg, #2a2a4a 0%, #1a1a3e 100%);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
}

/* Dashboard */
.dashboard {
    display: none;
}

.dashboard.active {
    display: block;
}

.api-key-display {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 15px;
    margin-bottom: 20px;
    font-family: monospace;
    font-size: 0.8rem;
    word-break: break-all;
    line-height: 1.5;
}

.api-key-display strong {
    color: var(--visa-gold);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    overflow-x: auto;
}

.tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    white-space: nowrap;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    background: var(--visa-blue);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Cards Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 15px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--visa-gold);
    box-shadow: 0 0 15px rgba(250, 255, 0, 0.1);
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--visa-gold);
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-badge {
    background: rgba(26, 31, 113, 0.3);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: inline-block;
}

.jwe-badge {
    background: rgba(0, 217, 79, 0.1);
    border: 1px solid var(--success);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    color: var(--success);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

/* Response */
.response {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
    max-height: 250px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.75rem;
    white-space: pre-wrap;
    word-break: break-all;
    display: none;
}

.response:not(:empty) {
    display: block;
}

.response.success {
    border-color: var(--success);
    background: rgba(0, 217, 79, 0.05);
    color: var(--success);
}

.response.error {
    border-color: var(--error);
    background: rgba(255, 68, 68, 0.05);
    color: var(--error);
}

.bank-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 15px;
    margin-top: 20px;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 26, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-overlay.active {
    display: flex;
}

.loading-overlay .spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--border);
    border-top-color: var(--visa-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-overlay .text {
    margin-top: 15px;
    color: var(--visa-gold);
    font-size: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
    }

    .header h1 {
        font-size: 1.2rem;
    }

    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .form-row, .form-row-3 {
        grid-template-columns: 1fr;
    }

    .login-card {
        max-width: 100%;
        margin: 30px 15px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .header {
        padding: 15px;
    }

    .login-card {
        padding: 20px;
    }

    .card {
        padding: 12px;
    }

    .btn {
        padding: 10px;
        font-size: 0.9rem;
    }

    .api-key-display {
        font-size: 0.7rem;
    }
}