:root {
    --bg-dark: #0b0e14;
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent: #4effff;
    --accent-glow: rgba(78, 255, 255, 0.3);
    --muted: #8b9bb4;
    --text: #ffffff;
    --danger: #ff4e4e;
    --success: #4eff8a;
    --radius: 14px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

.app-wrapper {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    
    min-height: calc(100vh - 100px); 
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    
    padding: 20px 15px;
    color: var(--text);
    font-family: 'Poppins', sans-serif;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel {
    background: #12151c;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px 20px; 
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    position: relative;
    width: 100%;
    animation: slideUp 0.5s ease-out forwards;
}
@media (min-width: 480px) {
    .panel {
        padding: 35px;
    }
}
.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h2 {
    margin: 0 0 5px 0;
    font-size: 1.6rem;
    color: #fff;
}

.header p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.step {
    display: none;
    opacity: 0;
    transition: var(--transition);
}

.step.active {
    display: block;
    opacity: 1;
    animation: slideUp 0.4s forwards;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-wrapper input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 14px 16px;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.input-wrapper input:focus {
    border-color: var(--accent);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 15px rgba(78, 255, 255, 0.1);
}

.user-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

.user-avatar {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    object-fit: cover;
    border: 1px solid rgba(78, 255, 255, 0.3);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.user-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.user-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: #fff;
}

.user-id {
    font-size: 0.85rem;
    color: var(--muted);
    font-family: 'Courier New', Courier, monospace;
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 8px;
    border-radius: 6px;
    display: inline-block;
    border: 1px solid var(--glass-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 25px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.02);
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.stat-val {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}

.stat-val.accent {
    color: var(--accent);
}

.warning-text {
    font-size: 0.85rem;
    color: #ff7676;
    text-align: center;
    margin-bottom: 25px;
    padding: 12px;
    background: rgba(255, 78, 78, 0.05);
    border-radius: 10px;
    border: 1px dashed rgba(255, 78, 78, 0.3);
    line-height: 1.5;
}

.btn-group {
    display: flex;
    gap: 15px;
}

.btn {
    background: rgba(78, 255, 255, 0.05);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 14px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn:hover:not(:disabled) {
    background: var(--accent);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--muted);
    color: var(--muted);
}

.btn.danger {
    color: var(--danger);
    border-color: var(--danger);
    background: rgba(255, 78, 78, 0.05);
}

.btn.danger:hover:not(:disabled) {
    background: var(--danger);
    color: #000;
    box-shadow: 0 0 20px rgba(255, 78, 78, 0.3);
}

.btn.secondary {
    color: var(--text);
    border-color: var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

.btn.secondary:hover {
    border-color: var(--muted);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.success-state {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(78, 255, 138, 0.05);
    border: 2px solid var(--success);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 25px;
    box-shadow: 0 0 30px rgba(78, 255, 138, 0.2);
}

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.btn.loading .loader {
    display: block;
}

.btn.loading span {
    display: none;
}

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

.auth-modal {
    background: #12151c;
    border: 1px solid var(--danger);
    border-radius: 16px;
    padding: 30px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    transform: scale(1);
    transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.auth-overlay.hidden .auth-modal {
    transform: scale(0.9);
}

.auth-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.auth-modal h3 {
    color: #fff;
    margin: 0 0 10px 0;
    font-size: 1.4rem;
}

.auth-modal p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 25px;
    line-height: 1.5;
}
.fetch-btn-wrap {
    text-align: center;
    margin-top: 25px;
}

#fetchBtn {
    width: auto;
    flex: none;
    display: inline-flex;
    padding: 14px 40px; 
}